diff options
| author | Diego 'Flameeyes' Pettenò <flameeyes@gmail.com> | 2007-12-22 23:01:01 +0100 |
|---|---|---|
| committer | Diego 'Flameeyes' Pettenò <flameeyes@gmail.com> | 2007-12-22 23:01:01 +0100 |
| commit | 6dc39d73d23ca2bfb2f6784e303c7c97e00414e1 (patch) | |
| tree | 5a55fe83d4a525b0e6df8a2e00448bf061659410 /src/libxineadec | |
| parent | 4e9a84a12a49c7a5242d4e372e5961e418ff18df (diff) | |
| download | xine-lib-6dc39d73d23ca2bfb2f6784e303c7c97e00414e1.tar.gz xine-lib-6dc39d73d23ca2bfb2f6784e303c7c97e00414e1.tar.bz2 | |
Rename libxineadec directory in audio_dec.
--HG--
rename : src/libxineadec/Makefile.am => src/audio_dec/Makefile.am
rename : src/libxineadec/fooaudio.c => src/audio_dec/fooaudio.c
rename : src/libxineadec/gsm610.c => src/audio_dec/gsm610.c
rename : src/libxineadec/xine_a52_decoder.c => src/audio_dec/xine_a52_decoder.c
rename : src/libxineadec/xine_dts_decoder.c => src/audio_dec/xine_dts_decoder.c
rename : src/libxineadec/xine_faad_decoder.c => src/audio_dec/xine_faad_decoder.c
rename : src/libxineadec/xine_lpcm_decoder.c => src/audio_dec/xine_lpcm_decoder.c
rename : src/libxineadec/xine_mad_decoder.c => src/audio_dec/xine_mad_decoder.c
rename : src/libxineadec/xine_musepack_decoder.c => src/audio_dec/xine_musepack_decoder.c
Diffstat (limited to 'src/libxineadec')
| -rw-r--r-- | src/libxineadec/Makefile.am | 85 | ||||
| -rw-r--r-- | src/libxineadec/fooaudio.c | 336 | ||||
| -rw-r--r-- | src/libxineadec/gsm610.c | 281 | ||||
| -rw-r--r-- | src/libxineadec/xine_a52_decoder.c | 849 | ||||
| -rw-r--r-- | src/libxineadec/xine_dts_decoder.c | 578 | ||||
| -rw-r--r-- | src/libxineadec/xine_faad_decoder.c | 477 | ||||
| -rw-r--r-- | src/libxineadec/xine_lpcm_decoder.c | 278 | ||||
| -rw-r--r-- | src/libxineadec/xine_mad_decoder.c | 365 | ||||
| -rw-r--r-- | src/libxineadec/xine_musepack_decoder.c | 462 |
9 files changed, 0 insertions, 3711 deletions
diff --git a/src/libxineadec/Makefile.am b/src/libxineadec/Makefile.am deleted file mode 100644 index a85497bbf..000000000 --- a/src/libxineadec/Makefile.am +++ /dev/null @@ -1,85 +0,0 @@ -include $(top_srcdir)/misc/Makefile.common - -AM_CFLAGS = $(DEFAULT_OCFLAGS) $(VISIBILITY_FLAG) -AM_LDFLAGS = $(xineplug_ldflags) - -EXTRA_DIST = fooaudio.c - -if ENABLE_MUSEPACK -musepack_module = xineplug_decode_mpc.la -endif - -if ENABLE_DTS -dts_module = xineplug_decode_dts.la -endif - -if ENABLE_MAD -mad_module = xineplug_decode_mad.la -endif - -if ENABLE_A52DEC -a52_module = xineplug_decode_a52.la -endif - -if ENABLE_FAAD -faad_module = xineplug_decode_faad.la -endif - -$(top_builddir)/contrib/a52dec/liba52.la: - $(MAKE) -C $(top_builddir)/contrib/a52dec - -$(top_builddir)/contrib/libfaad/libfaad.la: - $(MAKE) -C $(top_builddir)/contrib/libfaad - -$(top_builddir)/contrib/libmad/libmad.la: - $(MAKE) -C $(top_builddir)/contrib/libmad - -$(top_builddir)/contrib/libmpcdec/libmpcdec.la: - $(MAKE) -C $(top_builddir)/contrib/libmpcdec - -$(top_builddir)/contrib/libdca/libdca.la: - $(MAKE) -C $(top_builddir)/contrib/libdca - -$(top_builddir)/contrib/gsm610/libgsm610.la: - $(MAKE) -C $(top_builddir)/contrib/gsm610 - -xineplug_LTLIBRARIES = \ - xineplug_decode_gsm610.la \ - xineplug_decode_lpcm.la \ - $(musepack_module) \ - $(dts_module) \ - $(mad_module) \ - $(a52_module) \ - $(faad_module) - -xineplug_decode_gsm610_la_SOURCES = gsm610.c -xineplug_decode_gsm610_la_LIBADD = $(XINE_LIB) $(top_builddir)/contrib/gsm610/libgsm610.la -xineplug_decode_gsm610_la_CPPFLAGS = -I$(top_srcdir)/contrib/gsm610 - -xineplug_decode_lpcm_la_SOURCES = xine_lpcm_decoder.c -xineplug_decode_lpcm_la_LIBADD = $(XINE_LIB) - -xineplug_decode_mpc_la_SOURCES = xine_musepack_decoder.c -xineplug_decode_mpc_la_DEPENDENCIES = $(MPCDEC_DEPS) -xineplug_decode_mpc_la_LIBADD = $(XINE_LIB) $(LTLIBINTL) $(MPCDEC_LIBS) -xineplug_decode_mpc_la_CFLAGS = $(AM_CFLAGS) $(MPCDEC_CFLAGS) - -xineplug_decode_dts_la_SOURCES = xine_dts_decoder.c -xineplug_decode_dts_la_DEPENDENCIES = $(LIBDTS_DEPS) -xineplug_decode_dts_la_LIBADD = $(XINE_LIB) $(LTLIBINTL) $(LIBDTS_LIBS) -xineplug_decode_dts_la_CFLAGS = $(AM_CFLAGS) $(LIBDTS_CFLAGS) - -xineplug_decode_mad_la_SOURCES = xine_mad_decoder.c -xineplug_decode_mad_la_DEPENDENCIES = $(LIBMAD_DEPS) -xineplug_decode_mad_la_LIBADD = $(XINE_LIB) $(LIBMAD_LIBS) -xineplug_decode_mad_la_CFLAGS = $(AM_CFLAGS) $(LIBMAD_CFLAGS) - -xineplug_decode_a52_la_SOURCES = xine_a52_decoder.c -xineplug_decode_a52_la_DEPENDENCIES = $(A52DEC_DEPS) -xineplug_decode_a52_la_LIBADD = $(XINE_LIB) $(LTLIBINTL) $(A52DEC_LIBS) -lm -xineplug_decode_a52_la_CFLAGS = $(AM_CFLAGS) $(A52DEC_CFLAGS) - -xineplug_decode_faad_la_SOURCES = xine_faad_decoder.c -xineplug_decode_faad_la_DEPENDENCIES = $(FAAD_DEPS) -xineplug_decode_faad_la_LIBADD = $(XINE_LIB) $(LTLIBINTL) $(FAAD_LIBS) -lm -xineplug_decode_faad_la_CFLAGS = $(FAAD_CFLAGS) diff --git a/src/libxineadec/fooaudio.c b/src/libxineadec/fooaudio.c deleted file mode 100644 index b0ef63454..000000000 --- a/src/libxineadec/fooaudio.c +++ /dev/null @@ -1,336 +0,0 @@ -/* - * Copyright (C) 2000-2001 the xine project - * - * This file is part of xine, a free video player. - * - * xine is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * xine is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - * - * fooaudio.c: This is a reference audio decoder for the xine multimedia - * player. It really works too! It will output a continuous sine wave in - * place of the data it should actually send. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/types.h> -#include <unistd.h> - -#include <xine/xine_internal.h> -#include <xine/audio_out.h> -#include <xine/buffer.h> -#include <xine/xineutils.h> -#include "bswap.h" - -/* math.h required for fooaudio sine wave generation */ -#include <math.h> - -#define AUDIOBUFSIZE 128*1024 - -typedef struct { - audio_decoder_class_t decoder_class; -} fooaudio_class_t; - -typedef struct fooaudio_decoder_s { - audio_decoder_t audio_decoder; - - xine_stream_t *stream; - - int sample_rate; /* audio sample rate */ - int bits_per_sample; /* bits/sample, usually 8 or 16 */ - int channels; /* 1 or 2, usually */ - - int output_open; /* flag to indicate audio is ready */ - - unsigned char *buf; /* data accumulation buffer */ - int bufsize; /* maximum size of buf */ - int size; /* size of accumulated data in buf */ - - /* fooaudio-specific variables */ - int64_t last_pts; - unsigned int iteration; - -} fooaudio_decoder_t; - -/************************************************************************** - * fooaudio specific decode functions - *************************************************************************/ - -/************************************************************************** - * xine audio plugin functions - *************************************************************************/ - -static void fooaudio_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { - - fooaudio_decoder_t *this = (fooaudio_decoder_t *) this_gen; - audio_buffer_t *audio_buffer; - int i; - int64_t samples_to_generate; - int samples_to_send; - - if (buf->decoder_flags & BUF_FLAG_STDHEADER) { - - /* When the engine sends a BUF_FLAG_HEADER flag, it is time to initialize - * the decoder. The buffer element type has 4 decoder_info fields, - * 0..3. Field 1 is the sample rate. Field 2 is the bits/sample. Field - * 3 is the number of channels. */ - this->sample_rate = buf->decoder_info[1]; - this->bits_per_sample = buf->decoder_info[2]; - this->channels = buf->decoder_info[3]; - - /* initialize the data accumulation buffer */ - this->buf = xine_xmalloc(AUDIOBUFSIZE); - this->bufsize = AUDIOBUFSIZE; - this->size = 0; - - /* take this opportunity to initialize stream/meta information */ - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "fooaudio"); - - /* perform any other required initialization */ - this->last_pts = -1; - this->iteration = 0; - - return; - } - - /* if the audio output is not open yet, open the audio output */ -#warning: Audio output is hardcoded to mono 16-bit PCM - if (!this->output_open) { - this->output_open = (this->stream->audio_out->open) ( - this->stream->audio_out, - this->stream, -/* this->bits_per_sample, */ - 16, - this->sample_rate, -/* _x_ao_channels2mode(this->channels));*/ - AO_CAP_MODE_MONO); - } - - /* if the audio still isn't open, do not go any further with the decode */ - if (!this->output_open) - return; - - /* accumulate the data passed through the buffer element type; increase - * the accumulator buffer size as necessary */ - if( this->size + buf->size > this->bufsize ) { - this->bufsize = this->size + 2 * buf->size; - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, - "fooaudio: increasing source buffer to %d to avoid overflow.\n", this->bufsize); - this->buf = realloc( this->buf, this->bufsize ); - } - xine_fast_memcpy (&this->buf[this->size], buf->content, buf->size); - this->size += buf->size; - - /* When a buffer element type has the BUF_FLAG_FRAME_END flag set, it is - * time to decode the data in the buffer. */ - if (buf->decoder_flags & BUF_FLAG_FRAME_END) { - - /* This is where the real meat of the audio decoder is implemented. - * The general strategy is to decode the data in the accumulation buffer - * into raw PCM data and then dispatch the PCM to the engine in smaller - * buffers. What follows in the inside of this scope is the meat of - * this particular audio decoder. */ - - /* Operation of the fooaudio decoder: - * This decoder generates a continuous sine pattern based on the pts - * values sent by the xine engine. Two pts values are needed to know - * how long to make the audio. Thus, If this is the first frame or - * a seek has occurred (indicated by this->last_pts = -1), - * log the pts but do not create any audio. - * - * When a valid pts delta is generated, create n audio samples, where - * n is given as: - * - * n pts delta - * ----------- = --------- => n = (pts delta * sample rate) / 90000 - * sample rate 90000 - * - */ - - if (this->last_pts != -1) { - - /* no real reason to set this variable to 0 first; I just wanted the - * novelty of using all 4 basic arithmetic ops in a row (+ - * /) */ - samples_to_generate = 0; - samples_to_generate += buf->pts; - samples_to_generate -= this->last_pts; - samples_to_generate *= this->sample_rate; - samples_to_generate /= 90000; - - /* save the pts now since it will likely be trashed later */ - this->last_pts = buf->pts; - - while (samples_to_generate) { - - /* get an audio buffer */ - audio_buffer = this->stream->audio_out->get_buffer (this->stream->audio_out); - if (audio_buffer->mem_size == 0) { - xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, - "fooaudio: Help! Allocated audio buffer with nothing in it!\n"); - return; - } - - /* samples_to_generate is a sample count; mem_size is a byte count */ - if (samples_to_generate > audio_buffer->mem_size / 2) - samples_to_send = audio_buffer->mem_size / 2; - else - samples_to_send = samples_to_generate; - samples_to_generate -= samples_to_send; - -#define WAVE_HZ 300 - /* fill up the samples in the buffer */ - for (i = 0; i < samples_to_send; i++) - audio_buffer->mem[i] = - (short)(sin(2 * M_PI * this->iteration++ / WAVE_HZ) * 32767); - - /* final prep for audio buffer dispatch */ - audio_buffer->num_frames = samples_to_send; - audio_buffer->vpts = buf->pts; - buf->pts = 0; /* only first buffer gets the real pts */ - this->stream->audio_out->put_buffer (this->stream->audio_out, audio_buffer, this->stream); - - } - } else { - /* log the pts for the next time */ - this->last_pts = buf->pts; - } - - /* reset data accumulation buffer */ - this->size = 0; - } -} - -/* This function resets the state of the audio decoder. This usually - * entails resetting the data accumulation buffer. */ -static void fooaudio_reset (audio_decoder_t *this_gen) { - - fooaudio_decoder_t *this = (fooaudio_decoder_t *) this_gen; - - this->size = 0; - - /* this is specific to fooaudio */ - this->last_pts = -1; -} - -/* This function resets the last pts value of the audio decoder. */ -static void fooaudio_discontinuity (audio_decoder_t *this_gen) { - - fooaudio_decoder_t *this = (fooaudio_decoder_t *) this_gen; - - /* this is specific to fooaudio */ - this->last_pts = -1; -} - -/* This function closes the audio output and frees the private audio decoder - * structure. */ -static void fooaudio_dispose (audio_decoder_t *this_gen) { - - fooaudio_decoder_t *this = (fooaudio_decoder_t *) this_gen; - - /* close the audio output */ - if (this->output_open) - this->stream->audio_out->close (this->stream->audio_out, this->stream); - this->output_open = 0; - - /* free anything that was allocated during operation */ - free(this->buf); - free(this); -} - -/* This function allocates, initializes, and returns a private audio - * decoder structure. */ -static audio_decoder_t *open_plugin (audio_decoder_class_t *class_gen, xine_stream_t *stream) { - - fooaudio_decoder_t *this ; - - this = (fooaudio_decoder_t *) xine_xmalloc (sizeof (fooaudio_decoder_t)); - - /* connect the member functions */ - this->audio_decoder.decode_data = fooaudio_decode_data; - this->audio_decoder.reset = fooaudio_reset; - this->audio_decoder.discontinuity = fooaudio_discontinuity; - this->audio_decoder.dispose = fooaudio_dispose; - - /* connect the stream */ - this->stream = stream; - - /* audio output is not open at the start */ - this->output_open = 0; - - /* initialize the basic audio parameters */ - this->channels = 0; - this->sample_rate = 0; - this->bits_per_sample = 0; - - /* initialize the data accumulation buffer */ - this->buf = NULL; - this->bufsize = 0; - this->size = 0; - - /* return the newly-initialized audio decoder */ - return &this->audio_decoder; -} - -/* This function frees the audio decoder class and any other memory that was - * allocated. */ -static void dispose_class (audio_decoder_class_t *this_gen) { - - fooaudio_class_t *this = (fooaudio_class_t *)this_gen; - - free (this); -} - -/* This function allocates a private audio decoder class and initializes - * the class's member functions. */ -static void *init_plugin (xine_t *xine, void *data) { - - fooaudio_class_t *this ; - - this = (fooaudio_class_t *) xine_malloc (sizeof (fooaudio_class_t)); - - this->decoder_class.open_plugin = open_plugin; - this->decoder_class.identifier = "fooaudio"; - this->decoder_class.description = N_("fooaudio: reference xine audio decoder plugin"); - this->decoder_class.dispose = dispose_class; - - return this; -} - -/* This is a list of all of the internal xine audio buffer types that - * this decoder is able to handle. Check src/xine-engine/buffer.h for a - * list of valid buffer types (and add a new one if the one you need does - * not exist). Terminate the list with a 0. */ -static uint32_t audio_types[] = { - /* BUF_AUDIO_FOO, */ - 0 -}; - -/* This data structure combines the list of supported xine buffer types and - * the priority that the plugin should be given with respect to other - * plugins that handle the same buffer type. A plugin with priority (n+1) - * will be used instead of a plugin with priority (n). */ -static const decoder_info_t dec_info_audio = { - audio_types, /* supported types */ - 5 /* priority */ -}; - -/* The plugin catalog entry. This is the only information that this plugin - * will export to the public. */ -const plugin_info_t xine_plugin_info[] EXPORTED = { - /* { type, API version, "name", version, special_info, init_function }, */ - { PLUGIN_AUDIO_DECODER, 16, "fooaudio", XINE_VERSION_CODE, &dec_info_audio, &init_plugin }, - { PLUGIN_NONE, 0, "", 0, NULL, NULL } -}; - diff --git a/src/libxineadec/gsm610.c b/src/libxineadec/gsm610.c deleted file mode 100644 index 8192aa7d8..000000000 --- a/src/libxineadec/gsm610.c +++ /dev/null @@ -1,281 +0,0 @@ -/* - * Copyright (C) 2000-2003 the xine project - * - * This file is part of xine, a free video player. - * - * xine is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * xine is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - * - * GSM 6.10 Audio Decoder - * This decoder is based on the GSM 6.10 codec library found at: - * http://kbs.cs.tu-berlin.de/~jutta/toast.html - * Additionally, here is an article regarding the software that appeared - * in Dr. Dobbs Journal: - * http://www.ddj.com/documents/s=1012/ddj9412b/9412b.htm - * - * This is the notice that comes with the software: - * -------------------------------------------------------------------- - * Copyright 1992, 1993, 1994 by Jutta Degener and Carsten Bormann, - * Technische Universitaet Berlin - * - * Any use of this software is permitted provided that this notice is not - * removed and that neither the authors nor the Technische Universitaet Berlin - * are deemed to have made any representations as to the suitability of this - * software for any purpose nor are held responsible for any defects of - * this software. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE. - * - * As a matter of courtesy, the authors request to be informed about uses - * this software has found, about bugs in this software, and about any - * improvements that may be of general interest. - * - * Berlin, 28.11.1994 - * Jutta Degener - * Carsten Bormann - * -------------------------------------------------------------------- - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <stdlib.h> -#include <string.h> - -#include <xine/xine_internal.h> -#include <xine/audio_out.h> -#include <xine/buffer.h> -#include <xine/xineutils.h> -#include "bswap.h" - -#include "private.h" -#include "gsm.h" - -#define AUDIOBUFSIZE 128*1024 - -#define GSM610_SAMPLE_SIZE 16 -#define GSM610_BLOCK_SIZE 160 - -typedef struct { - audio_decoder_class_t decoder_class; -} gsm610_class_t; - -typedef struct gsm610_decoder_s { - audio_decoder_t audio_decoder; - - xine_stream_t *stream; - - unsigned int buf_type; - int output_open; - int sample_rate; - - unsigned char *buf; - int bufsize; - int size; - - gsm gsm_state; - -} gsm610_decoder_t; - -/************************************************************************** - * xine audio plugin functions - *************************************************************************/ - -static void gsm610_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { - - gsm610_decoder_t *this = (gsm610_decoder_t *) this_gen; - audio_buffer_t *audio_buffer; - int in_ptr; - - if (buf->decoder_flags & BUF_FLAG_STDHEADER) { - this->sample_rate = buf->decoder_info[1]; - - this->buf = xine_xmalloc(AUDIOBUFSIZE); - this->bufsize = AUDIOBUFSIZE; - this->size = 0; - - /* stream/meta info */ - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "GSM 6.10"); - - return; - } - - if (!this->output_open) { - - this->gsm_state = gsm_create(); - this->buf_type = buf->type; - - this->output_open = (this->stream->audio_out->open) (this->stream->audio_out, - this->stream, GSM610_SAMPLE_SIZE, this->sample_rate, AO_CAP_MODE_MONO); - } - - /* if the audio still isn't open, bail */ - if (!this->output_open) - return; - - if( this->size + buf->size > this->bufsize ) { - this->bufsize = this->size + 2 * buf->size; - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, - "gsm610: increasing source buffer to %d to avoid overflow.\n", this->bufsize); - this->buf = realloc( this->buf, this->bufsize ); - } - - xine_fast_memcpy (&this->buf[this->size], buf->content, buf->size); - this->size += buf->size; - - if (buf->decoder_flags & BUF_FLAG_FRAME_END) { /* time to decode a frame */ - int16_t decode_buffer[GSM610_BLOCK_SIZE]; - - /* handle the Microsoft variant of GSM data */ - if (this->buf_type == BUF_AUDIO_MSGSM) { - - this->gsm_state->wav_fmt = 1; - - /* the data should line up on a 65-byte boundary */ - if ((buf->size % 65) != 0) { - xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, - "gsm610: received MS GSM block that does not line up\n"); - this->size = 0; - return; - } - - in_ptr = 0; - while (this->size) { - gsm_decode(this->gsm_state, &this->buf[in_ptr], decode_buffer); - if ((in_ptr % 65) == 0) { - in_ptr += 33; - this->size -= 33; - } else { - in_ptr += 32; - this->size -= 32; - } - - /* dispatch the decoded audio; assume that the audio buffer will - * always contain at least 160 samples */ - audio_buffer = this->stream->audio_out->get_buffer (this->stream->audio_out); - - xine_fast_memcpy(audio_buffer->mem, decode_buffer, - GSM610_BLOCK_SIZE * 2); - audio_buffer->num_frames = GSM610_BLOCK_SIZE; - - audio_buffer->vpts = buf->pts; - buf->pts = 0; /* only first buffer gets the real pts */ - this->stream->audio_out->put_buffer (this->stream->audio_out, audio_buffer, this->stream); - } - } else { - - /* handle the other variant, which consists of 33-byte blocks */ - this->gsm_state->wav_fmt = 0; - - /* the data should line up on a 33-byte boundary */ - if ((buf->size % 33) != 0) { - xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "gsm610: received GSM block that does not line up\n"); - this->size = 0; - return; - } - - in_ptr = 0; - while (this->size) { - gsm_decode(this->gsm_state, &this->buf[in_ptr], decode_buffer); - in_ptr += 33; - this->size -= 33; - - /* dispatch the decoded audio; assume that the audio buffer will - * always contain at least 160 samples */ - audio_buffer = this->stream->audio_out->get_buffer (this->stream->audio_out); - - xine_fast_memcpy(audio_buffer->mem, decode_buffer, - GSM610_BLOCK_SIZE * 2); - audio_buffer->num_frames = GSM610_BLOCK_SIZE; - - audio_buffer->vpts = buf->pts; - buf->pts = 0; /* only first buffer gets the real pts */ - this->stream->audio_out->put_buffer (this->stream->audio_out, audio_buffer, this->stream); - } - } - } -} - -static void gsm610_reset (audio_decoder_t *this_gen) { -} - -static void gsm610_discontinuity (audio_decoder_t *this_gen) { -} - -static void gsm610_dispose (audio_decoder_t *this_gen) { - - gsm610_decoder_t *this = (gsm610_decoder_t *) this_gen; - - if (this->gsm_state) - gsm_destroy(this->gsm_state); - - if (this->output_open) - this->stream->audio_out->close (this->stream->audio_out, this->stream); - this->output_open = 0; - - if (this->buf) - free(this->buf); - - free (this_gen); -} - -static audio_decoder_t *open_plugin (audio_decoder_class_t *class_gen, xine_stream_t *stream) { - - gsm610_decoder_t *this ; - - this = (gsm610_decoder_t *) xine_xmalloc (sizeof (gsm610_decoder_t)); - - this->audio_decoder.decode_data = gsm610_decode_data; - this->audio_decoder.reset = gsm610_reset; - this->audio_decoder.discontinuity = gsm610_discontinuity; - this->audio_decoder.dispose = gsm610_dispose; - - this->output_open = 0; - this->sample_rate = 0; - this->stream = stream; - this->buf = NULL; - this->size = 0; - - return &this->audio_decoder; -} - -static void *init_plugin (xine_t *xine, void *data) { - - gsm610_class_t *this ; - - this = (gsm610_class_t *) xine_xmalloc (sizeof (gsm610_class_t)); - - this->decoder_class.open_plugin = open_plugin; - this->decoder_class.identifier = "GSM 6.10"; - this->decoder_class.description = N_("GSM 6.10 audio decoder plugin"); - this->decoder_class.dispose = default_audio_decoder_class_dispose; - - return this; -} - -static uint32_t audio_types[] = { - BUF_AUDIO_MSGSM, - BUF_AUDIO_GSM610, - 0 -}; - -static const decoder_info_t dec_info_audio = { - audio_types, /* supported types */ - 9 /* priority */ -}; - -const plugin_info_t xine_plugin_info[] EXPORTED = { - /* type, API, "name", version, special_info, init_function */ - { PLUGIN_AUDIO_DECODER, 16, "gsm610", XINE_VERSION_CODE, &dec_info_audio, init_plugin }, - { PLUGIN_NONE, 0, "", 0, NULL, NULL } -}; diff --git a/src/libxineadec/xine_a52_decoder.c b/src/libxineadec/xine_a52_decoder.c deleted file mode 100644 index e34504553..000000000 --- a/src/libxineadec/xine_a52_decoder.c +++ /dev/null @@ -1,849 +0,0 @@ -/* - * Copyright (C) 2000-2003 the xine project - * - * This file is part of xine, a free video player. - * - * xine is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * xine is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - * - * stuff needed to turn liba52 into a xine decoder plugin - */ - -#ifndef __sun -/* required for swab() */ -#define _XOPEN_SOURCE 500 -#endif -/* avoid compiler warnings */ -#define _BSD_SOURCE 1 - -#include <config.h> - -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <assert.h> - -#define LOG_MODULE "a52_decoder" -#define LOG_VERBOSE -/* -#define LOG -#define LOG_PTS -*/ - -#include <xine/xine_internal.h> -#include <xine/audio_out.h> - -#ifdef HAVE_A52DEC_A52_H -# include <a52dec/a52.h> -#else -# include "a52.h" -#endif - -#ifdef HAVE_A52DEC_A52_INTERNAL_H -# include <a52dec/a52_internal.h> -#else -# include "a52_internal.h" -#endif - -#include <xine/buffer.h> -#include <xine/xineutils.h> - -#include "../../contrib/a52dec/crc.c" - -#undef DEBUG_A52 -#ifdef DEBUG_A52 -int a52file; -#endif - -typedef struct { - audio_decoder_class_t decoder_class; - config_values_t *config; - - float a52_level; - int disable_dynrng_compress; - int enable_surround_downmix; - -} a52dec_class_t; - -typedef struct a52dec_decoder_s { - audio_decoder_t audio_decoder; - - a52dec_class_t *class; - xine_stream_t *stream; - int64_t pts; - int64_t pts_list[5]; - int32_t pts_list_position; - - uint8_t frame_buffer[3840]; - uint8_t *frame_ptr; - int sync_state; - int frame_length, frame_todo; - uint16_t syncword; - - a52_state_t *a52_state; - int a52_flags; - int a52_bit_rate; - int a52_sample_rate; - int have_lfe; - - int a52_flags_map[11]; - int ao_flags_map[11]; - - int audio_caps; - int bypass_mode; - int output_sampling_rate; - int output_open; - int output_mode; - -} a52dec_decoder_t; - -struct frmsize_s -{ - uint16_t bit_rate; - uint16_t frm_size[3]; -}; - -static const struct frmsize_s frmsizecod_tbl[64] = -{ - { 32 ,{64 ,69 ,96 } }, - { 32 ,{64 ,70 ,96 } }, - { 40 ,{80 ,87 ,120 } }, - { 40 ,{80 ,88 ,120 } }, - { 48 ,{96 ,104 ,144 } }, - { 48 ,{96 ,105 ,144 } }, - { 56 ,{112 ,121 ,168 } }, - { 56 ,{112 ,122 ,168 } }, - { 64 ,{128 ,139 ,192 } }, - { 64 ,{128 ,140 ,192 } }, - { 80 ,{160 ,174 ,240 } }, - { 80 ,{160 ,175 ,240 } }, - { 96 ,{192 ,208 ,288 } }, - { 96 ,{192 ,209 ,288 } }, - { 112 ,{224 ,243 ,336 } }, - { 112 ,{224 ,244 ,336 } }, - { 128 ,{256 ,278 ,384 } }, - { 128 ,{256 ,279 ,384 } }, - { 160 ,{320 ,348 ,480 } }, - { 160 ,{320 ,349 ,480 } }, - { 192 ,{384 ,417 ,576 } }, - { 192 ,{384 ,418 ,576 } }, - { 224 ,{448 ,487 ,672 } }, - { 224 ,{448 ,488 ,672 } }, - { 256 ,{512 ,557 ,768 } }, - { 256 ,{512 ,558 ,768 } }, - { 320 ,{640 ,696 ,960 } }, - { 320 ,{640 ,697 ,960 } }, - { 384 ,{768 ,835 ,1152 } }, - { 384 ,{768 ,836 ,1152 } }, - { 448 ,{896 ,975 ,1344 } }, - { 448 ,{896 ,976 ,1344 } }, - { 512 ,{1024 ,1114 ,1536 } }, - { 512 ,{1024 ,1115 ,1536 } }, - { 576 ,{1152 ,1253 ,1728 } }, - { 576 ,{1152 ,1254 ,1728 } }, - { 640 ,{1280 ,1393 ,1920 } }, - { 640 ,{1280 ,1394 ,1920 } } -}; - -/* config callbacks */ -static void a52_level_change_cb(void *this_gen, xine_cfg_entry_t *entry); -static void dynrng_compress_change_cb(void *this_gen, xine_cfg_entry_t *entry); -static void surround_downmix_change_cb(void *this_gen, xine_cfg_entry_t *entry); - - -static void a52dec_reset (audio_decoder_t *this_gen) { - - a52dec_decoder_t *this = (a52dec_decoder_t *) this_gen; - - this->syncword = 0; - this->sync_state = 0; - this->pts = 0; - this->pts_list[0] = 0; - this->pts_list_position = 0; -} - -static void a52dec_discontinuity (audio_decoder_t *this_gen) { - - a52dec_decoder_t *this = (a52dec_decoder_t *) this_gen; - - this->pts = 0; - this->pts_list[0] = 0; - this->pts_list_position = 0; -} - -static inline int16_t blah (int32_t i) { - - if (i > 0x43c07fff) - return 32767; - else if (i < 0x43bf8000) - return -32768; - else - return i - 0x43c00000; -} - -static inline void float_to_int (float * _f, int16_t * s16, int num_channels) { - int i; - int32_t * f = (int32_t *) _f; /* XXX assumes IEEE float format */ - - for (i = 0; i < 256; i++) { - s16[num_channels*i] = blah (f[i]); - } -} - -static inline void mute_channel (int16_t * s16, int num_channels) { - int i; - - for (i = 0; i < 256; i++) { - s16[num_channels*i] = 0; - } -} - -static void a52dec_decode_frame (a52dec_decoder_t *this, int64_t pts, int preview_mode) { - - int output_mode = AO_CAP_MODE_STEREO; - - /* - * do we want to decode this frame in software? - */ -#ifdef LOG_PTS - printf("a52dec:decode_frame:pts=%lld\n",pts); -#endif - if (!this->bypass_mode) { - - int a52_output_flags, i; - sample_t level = this->class->a52_level; - audio_buffer_t *buf; - int16_t *int_samples; - sample_t *samples = a52_samples(this->a52_state); - - /* - * oki, decode this frame in software - */ - - /* determine output mode */ - - a52_output_flags = this->a52_flags_map[this->a52_flags & A52_CHANNEL_MASK]; - - if (a52_frame (this->a52_state, - this->frame_buffer, - &a52_output_flags, - &level, 384)) { - xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "liba52: a52_frame error\n"); - return; - } - - if (this->class->disable_dynrng_compress) - a52_dynrng (this->a52_state, NULL, NULL); - - this->have_lfe = a52_output_flags & A52_LFE; - if (this->have_lfe) - if (this->audio_caps & AO_CAP_MODE_5_1CHANNEL) { - output_mode = AO_CAP_MODE_5_1CHANNEL; - } else if (this->audio_caps & AO_CAP_MODE_4_1CHANNEL) { - output_mode = AO_CAP_MODE_4_1CHANNEL; - } else { - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, "liba52: WHAT DO I DO!!!\n"); - output_mode = this->ao_flags_map[a52_output_flags]; - } - else - output_mode = this->ao_flags_map[a52_output_flags]; - /* - * (re-)open output device - */ - - if (!this->output_open - || (this->a52_sample_rate != this->output_sampling_rate) - || (output_mode != this->output_mode)) { - - if (this->output_open) - this->stream->audio_out->close (this->stream->audio_out, this->stream); - - - this->output_open = (this->stream->audio_out->open) (this->stream->audio_out, - this->stream, 16, - this->a52_sample_rate, - output_mode) ; - this->output_sampling_rate = this->a52_sample_rate; - this->output_mode = output_mode; - } - - - if (!this->output_open || preview_mode) - return; - - - /* - * decode a52 and convert/interleave samples - */ - - buf = this->stream->audio_out->get_buffer (this->stream->audio_out); - int_samples = buf->mem; - buf->num_frames = 256*6; - - for (i = 0; i < 6; i++) { - if (a52_block (this->a52_state)) { - xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "liba52: a52_block error on audio channel %d\n", i); -#if 0 - for(n=0;n<2000;n++) { - printf("%02x ",this->frame_buffer[n]); - if ((n % 32) == 0) printf("\n"); - } - printf("\n"); -#endif - buf->num_frames = 0; - break; - } - - switch (output_mode) { - case AO_CAP_MODE_MONO: - float_to_int (&samples[0], int_samples+(i*256), 1); - break; - case AO_CAP_MODE_STEREO: - float_to_int (&samples[0*256], int_samples+(i*256*2), 2); - float_to_int (&samples[1*256], int_samples+(i*256*2)+1, 2); - break; - case AO_CAP_MODE_4CHANNEL: - float_to_int (&samples[0*256], int_samples+(i*256*4), 4); /* L */ - float_to_int (&samples[1*256], int_samples+(i*256*4)+1, 4); /* R */ - float_to_int (&samples[2*256], int_samples+(i*256*4)+2, 4); /* RL */ - float_to_int (&samples[3*256], int_samples+(i*256*4)+3, 4); /* RR */ - break; - case AO_CAP_MODE_4_1CHANNEL: - float_to_int (&samples[0*256], int_samples+(i*256*6)+5, 6); /* LFE */ - float_to_int (&samples[1*256], int_samples+(i*256*6)+0, 6); /* L */ - float_to_int (&samples[2*256], int_samples+(i*256*6)+1, 6); /* R */ - float_to_int (&samples[3*256], int_samples+(i*256*6)+2, 6); /* RL */ - float_to_int (&samples[4*256], int_samples+(i*256*6)+3, 6); /* RR */ - mute_channel ( int_samples+(i*256*6)+4, 6); /* C */ - break; - case AO_CAP_MODE_5CHANNEL: - float_to_int (&samples[0*256], int_samples+(i*256*6)+0, 6); /* L */ - float_to_int (&samples[1*256], int_samples+(i*256*6)+4, 6); /* C */ - float_to_int (&samples[2*256], int_samples+(i*256*6)+1, 6); /* R */ - float_to_int (&samples[3*256], int_samples+(i*256*6)+2, 6); /* RL */ - float_to_int (&samples[4*256], int_samples+(i*256*6)+3, 6); /* RR */ - mute_channel ( int_samples+(i*256*6)+5, 6); /* LFE */ - break; - case AO_CAP_MODE_5_1CHANNEL: - float_to_int (&samples[0*256], int_samples+(i*256*6)+5, 6); /* lfe */ - float_to_int (&samples[1*256], int_samples+(i*256*6)+0, 6); /* L */ - float_to_int (&samples[2*256], int_samples+(i*256*6)+4, 6); /* C */ - float_to_int (&samples[3*256], int_samples+(i*256*6)+1, 6); /* R */ - float_to_int (&samples[4*256], int_samples+(i*256*6)+2, 6); /* RL */ - float_to_int (&samples[5*256], int_samples+(i*256*6)+3, 6); /* RR */ - break; - default: - xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "liba52: help - unsupported mode %08x\n", output_mode); - } - } - - lprintf ("%d frames output\n", buf->num_frames); - - /* output decoded samples */ - - buf->vpts = pts; - - this->stream->audio_out->put_buffer (this->stream->audio_out, buf, this->stream); - - } else { - - /* - * loop through a52 data - */ - - if (!this->output_open) { - - int sample_rate, bit_rate, flags; - - a52_syncinfo (this->frame_buffer, &flags, &sample_rate, &bit_rate); - - this->output_open = (this->stream->audio_out->open) (this->stream->audio_out, - this->stream, 16, - sample_rate, - AO_CAP_MODE_A52) ; - this->output_mode = AO_CAP_MODE_A52; - } - - if (this->output_open && !preview_mode) { - /* SPDIF Passthrough - * Build SPDIF Header and encaps the A52 audio data in it. - */ - uint32_t syncword, crc1, fscod,frmsizecod,bsid,bsmod,frame_size; - uint8_t *data_out,*data_in; - audio_buffer_t *buf = this->stream->audio_out->get_buffer (this->stream->audio_out); - data_in=(uint8_t *) this->frame_buffer; - data_out=(uint8_t *) buf->mem; - syncword = data_in[0] | (data_in[1] << 8); - crc1 = data_in[2] | (data_in[3] << 8); - fscod = (data_in[4] >> 6) & 0x3; - frmsizecod = data_in[4] & 0x3f; - bsid = (data_in[5] >> 3) & 0x1f; - bsmod = data_in[5] & 0x7; /* bsmod, stream = 0 */ - frame_size = frmsizecod_tbl[frmsizecod].frm_size[fscod] ; - - data_out[0] = 0x72; data_out[1] = 0xf8; /* spdif syncword */ - data_out[2] = 0x1f; data_out[3] = 0x4e; /* .............. */ - data_out[4] = 0x01; /* AC3 data */ - data_out[5] = bsmod; /* bsmod, stream = 0 */ - data_out[6] = (frame_size << 4) & 0xff; /* frame_size * 16 */ - data_out[7] = ((frame_size ) >> 4) & 0xff; - swab(data_in, &data_out[8], frame_size * 2 ); - - buf->num_frames = 1536; - buf->vpts = pts; - - this->stream->audio_out->put_buffer (this->stream->audio_out, buf, this->stream); - - } - } -} - -static void a52dec_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { - - a52dec_decoder_t *this = (a52dec_decoder_t *) this_gen; - uint8_t *current = buf->content; - uint8_t *sync_start=current + 1; - uint8_t *end = buf->content + buf->size; - uint8_t byte; - int32_t n; - uint16_t crc16; - uint16_t crc16_result; - - lprintf ("decode data %d bytes of type %08x, pts=%"PRId64"\n", - buf->size, buf->type, buf->pts); - lprintf ("decode data decoder_info=%d, %d\n",buf->decoder_info[1],buf->decoder_info[2]); - - if (buf->decoder_flags & BUF_FLAG_HEADER) - return; - - /* swap byte pairs if this is RealAudio DNET data */ - if (buf->type == BUF_AUDIO_DNET) { - - lprintf ("byte-swapping dnet\n"); - - while (current != end) { - byte = *current++; - *(current - 1) = *current; - *current++ = byte; - } - - /* reset */ - current = buf->content; - end = buf->content + buf->size; - } - - /* A52 packs come from the DVD in blocks of about 2048 bytes. - * Only 1 PTS values can be assigned to each block. - * An A52 frame is about 1700 bytes long. - * So, a single A52 packs can contain 2 A52 frames (or the beginning of an A52 frame at least). - * If we have a PTS value, which A52 frame does it apply to? The A52 pack tells us that. - * So, the info about which A52 frame the PTS applies to is contained in decoder_info sent from the demuxer. - * - * The PTS value from the A52 pack (DVD sector) can only be applied at the start of an A52 frame. - * We call the start of an A52 frame a frame header. - * So, if a A52 pack has 2 "Number of frame headers" is means that the A52 pack contains 2 A52 frame headers. - * The "First access unit" then tells us which A52 frame the PTS value applies to. - * - * Take the following example: - - * PACK1: PTS = 10. Contains the entire A52 frame1, followed by the beginning of the frame2. PTS applies to frame1. - * PACK2: PTS = 1000, Contains the rest of frame2, and the whole of frame3. and the start of frame4. PTS applies to frame4. - * PACK3: PTS = 0 (none), Contains the rest of frame4. - * - * Output should be: - - * frame1, PTS=10 - * frame2, PTS=0 - * frame3, PTS=0 - * frame4, PTS=1000 - * - * So, we have to keep track of PTS values from previous A52 packs here, otherwise they get put on the wrong frame. - */ - - - /* FIXME: the code here does not match the explanation above */ - if (buf->pts) { - int32_t info; - info = buf->decoder_info[1]; - this->pts = buf->pts; - this->pts_list[this->pts_list_position]=buf->pts; - this->pts_list_position++; - if( this->pts_list_position > 3 ) - this->pts_list_position = 3; - if (info == 2) { - this->pts_list[this->pts_list_position]=0; - this->pts_list_position++; - if( this->pts_list_position > 3 ) - this->pts_list_position = 3; - } - } -#if 0 - for(n=0;n < buf->size;n++) { - if ((n % 32) == 0) printf("\n"); - printf("%x ", current[n]); - } - printf("\n"); -#endif - - lprintf ("processing...state %d\n", this->sync_state); - - while (current < end) { - switch (this->sync_state) { - case 0: /* Looking for sync header */ - this->syncword = (this->syncword << 8) | *current++; - if (this->syncword == 0x0b77) { - - this->frame_buffer[0] = 0x0b; - this->frame_buffer[1] = 0x77; - - this->sync_state = 1; - this->frame_ptr = this->frame_buffer+2; - } - break; - - case 1: /* Looking for enough bytes for sync_info. */ - sync_start = current - 1; - *this->frame_ptr++ = *current++; - if ((this->frame_ptr - this->frame_buffer) > 16) { - int a52_flags_old = this->a52_flags; - int a52_sample_rate_old = this->a52_sample_rate; - int a52_bit_rate_old = this->a52_bit_rate; - - this->frame_length = a52_syncinfo (this->frame_buffer, - &this->a52_flags, - &this->a52_sample_rate, - &this->a52_bit_rate); - - if (this->frame_length < 80) { /* Invalid a52 frame_length */ - this->syncword = 0; - current = sync_start; - this->sync_state = 0; - break; - } - - lprintf("Frame length = %d\n",this->frame_length); - - this->frame_todo = this->frame_length - 17; - this->sync_state = 2; - if (!_x_meta_info_get(this->stream, XINE_META_INFO_AUDIOCODEC) || - a52_flags_old != this->a52_flags || - a52_sample_rate_old != this->a52_sample_rate || - a52_bit_rate_old != this->a52_bit_rate) { - - switch (this->a52_flags & A52_CHANNEL_MASK) { - case A52_3F2R: - if (this->a52_flags & A52_LFE) - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "A/52 5.1"); - else - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "A/52 5.0"); - break; - case A52_3F1R: - case A52_2F2R: - if (this->a52_flags & A52_LFE) - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "A/52 4.1"); - else - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "A/52 4.0"); - break; - case A52_2F1R: - case A52_3F: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "A/52 3.0"); - break; - case A52_STEREO: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "A/52 2.0 (stereo)"); - break; - case A52_DOLBY: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "A/52 2.0 (dolby)"); - break; - case A52_MONO: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "A/52 1.0"); - break; - default: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "A/52"); - break; - } - - _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_BITRATE, this->a52_bit_rate); - _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_SAMPLERATE, this->a52_sample_rate); - } - } - break; - - case 2: /* Filling frame_buffer with sync_info bytes */ - *this->frame_ptr++ = *current++; - this->frame_todo--; - if (this->frame_todo < 1) { - this->sync_state = 3; - } else break; - - case 3: /* Ready for decode */ - crc16 = (uint16_t) ((this->frame_buffer[2] << 8) | this->frame_buffer[3]) ; - crc16_result = crc16_block(&this->frame_buffer[2], this->frame_length - 2) ; /* frame_length */ - if (crc16_result != 0) { /* CRC16 failed */ - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, "liba52:a52 frame failed crc16 checksum.\n"); - current = sync_start; - this->pts = 0; - this->syncword = 0; - this->sync_state = 0; - break; - } -#if 0 - a52dec_decode_frame (this, this->pts_list[0], buf->decoder_flags & BUF_FLAG_PREVIEW); -#else - a52dec_decode_frame (this, this->pts, buf->decoder_flags & BUF_FLAG_PREVIEW); -#endif - for(n=0;n<4;n++) { - this->pts_list[n] = this->pts_list[n+1]; - } - this->pts_list_position--; - if( this->pts_list_position < 0 ) - this->pts_list_position = 0; -#if 0 - printf("liba52: pts_list = %lld, %lld, %lld\n", - this->pts_list[0], - this->pts_list[1], - this->pts_list[2]); -#endif - case 4: /* Clear up ready for next frame */ - this->pts = 0; - this->syncword = 0; - this->sync_state = 0; - break; - default: /* No come here */ - break; - } - } - -#ifdef DEBUG_A52 - write (a52file, this->frame_buffer, this->frame_length); -#endif -} - -static void a52dec_dispose (audio_decoder_t *this_gen) { - - a52dec_decoder_t *this = (a52dec_decoder_t *) this_gen; - - if (this->output_open) - this->stream->audio_out->close (this->stream->audio_out, this->stream); - - this->output_open = 0; - - a52_free(this->a52_state); - this->a52_state = NULL; - -#ifdef DEBUG_A52 - close (a52file); -#endif - free (this_gen); -} - -static audio_decoder_t *open_plugin (audio_decoder_class_t *class_gen, xine_stream_t *stream) { - - a52dec_decoder_t *this ; - - lprintf ("open_plugin called\n"); - - this = (a52dec_decoder_t *) xine_xmalloc (sizeof (a52dec_decoder_t)); - - this->audio_decoder.decode_data = a52dec_decode_data; - this->audio_decoder.reset = a52dec_reset; - this->audio_decoder.discontinuity = a52dec_discontinuity; - this->audio_decoder.dispose = a52dec_dispose; - this->stream = stream; - this->class = (a52dec_class_t *) class_gen; - - /* int i; */ - - this->audio_caps = stream->audio_out->get_capabilities(stream->audio_out); - this->syncword = 0; - this->sync_state = 0; - this->output_open = 0; - this->pts = 0; - this->pts_list[0] = 0; - this->pts_list_position = 0; - - if( !this->a52_state ) - this->a52_state = a52_init (xine_mm_accel()); - - /* - * find out if this driver supports a52 output - * or, if not, how many channels we've got - */ - - if (this->audio_caps & AO_CAP_MODE_A52) - this->bypass_mode = 1; - else { - this->bypass_mode = 0; - - this->a52_flags_map[A52_MONO] = A52_MONO; - this->a52_flags_map[A52_STEREO] = ((this->class->enable_surround_downmix ? A52_DOLBY : A52_STEREO)); - this->a52_flags_map[A52_3F] = ((this->class->enable_surround_downmix ? A52_DOLBY : A52_STEREO)); - this->a52_flags_map[A52_2F1R] = ((this->class->enable_surround_downmix ? A52_DOLBY : A52_STEREO)); - this->a52_flags_map[A52_3F1R] = ((this->class->enable_surround_downmix ? A52_DOLBY : A52_STEREO)); - this->a52_flags_map[A52_2F2R] = ((this->class->enable_surround_downmix ? A52_DOLBY : A52_STEREO)); - this->a52_flags_map[A52_3F2R] = ((this->class->enable_surround_downmix ? A52_DOLBY : A52_STEREO)); - this->a52_flags_map[A52_DOLBY] = ((this->class->enable_surround_downmix ? A52_DOLBY : A52_STEREO)); - - this->ao_flags_map[A52_MONO] = AO_CAP_MODE_MONO; - this->ao_flags_map[A52_STEREO] = AO_CAP_MODE_STEREO; - this->ao_flags_map[A52_3F] = AO_CAP_MODE_STEREO; - this->ao_flags_map[A52_2F1R] = AO_CAP_MODE_STEREO; - this->ao_flags_map[A52_3F1R] = AO_CAP_MODE_STEREO; - this->ao_flags_map[A52_2F2R] = AO_CAP_MODE_STEREO; - this->ao_flags_map[A52_3F2R] = AO_CAP_MODE_STEREO; - this->ao_flags_map[A52_DOLBY] = AO_CAP_MODE_STEREO; - - /* find best mode */ - if (this->audio_caps & AO_CAP_MODE_5_1CHANNEL) { - - this->a52_flags_map[A52_2F2R] = A52_2F2R; - this->a52_flags_map[A52_3F2R] = A52_3F2R | A52_LFE; - this->ao_flags_map[A52_2F2R] = AO_CAP_MODE_4CHANNEL; - this->ao_flags_map[A52_3F2R] = AO_CAP_MODE_5CHANNEL; - - } else if (this->audio_caps & AO_CAP_MODE_5CHANNEL) { - - this->a52_flags_map[A52_2F2R] = A52_2F2R; - this->a52_flags_map[A52_3F2R] = A52_3F2R; - this->ao_flags_map[A52_2F2R] = AO_CAP_MODE_4CHANNEL; - this->ao_flags_map[A52_3F2R] = AO_CAP_MODE_5CHANNEL; - - } else if (this->audio_caps & AO_CAP_MODE_4_1CHANNEL) { - - this->a52_flags_map[A52_2F2R] = A52_2F2R; - this->a52_flags_map[A52_3F2R] = A52_2F2R | A52_LFE; - this->ao_flags_map[A52_2F2R] = AO_CAP_MODE_4CHANNEL; - this->ao_flags_map[A52_3F2R] = AO_CAP_MODE_4CHANNEL; - - } else if (this->audio_caps & AO_CAP_MODE_4CHANNEL) { - - this->a52_flags_map[A52_2F2R] = A52_2F2R; - this->a52_flags_map[A52_3F2R] = A52_2F2R; - - this->ao_flags_map[A52_2F2R] = AO_CAP_MODE_4CHANNEL; - this->ao_flags_map[A52_3F2R] = AO_CAP_MODE_4CHANNEL; - - /* else if (this->audio_caps & AO_CAP_MODE_STEREO) - defaults are ok */ - } else if (!(this->audio_caps & AO_CAP_MODE_STEREO)) { - xprintf (this->stream->xine, XINE_VERBOSITY_LOG, _("HELP! a mono-only audio driver?!\n")); - - this->a52_flags_map[A52_MONO] = A52_MONO; - this->a52_flags_map[A52_STEREO] = A52_MONO; - this->a52_flags_map[A52_3F] = A52_MONO; - this->a52_flags_map[A52_2F1R] = A52_MONO; - this->a52_flags_map[A52_3F1R] = A52_MONO; - this->a52_flags_map[A52_2F2R] = A52_MONO; - this->a52_flags_map[A52_3F2R] = A52_MONO; - this->a52_flags_map[A52_DOLBY] = A52_MONO; - - this->ao_flags_map[A52_MONO] = AO_CAP_MODE_MONO; - this->ao_flags_map[A52_STEREO] = AO_CAP_MODE_MONO; - this->ao_flags_map[A52_3F] = AO_CAP_MODE_MONO; - this->ao_flags_map[A52_2F1R] = AO_CAP_MODE_MONO; - this->ao_flags_map[A52_3F1R] = AO_CAP_MODE_MONO; - this->ao_flags_map[A52_2F2R] = AO_CAP_MODE_MONO; - this->ao_flags_map[A52_3F2R] = AO_CAP_MODE_MONO; - this->ao_flags_map[A52_DOLBY] = AO_CAP_MODE_MONO; - } - } - - /* - for (i = 0; i<8; i++) - this->a52_flags_map[i] |= A52_ADJUST_LEVEL; - */ -#ifdef DEBUG_A52 - a52file = open ("test.a52", O_CREAT | O_WRONLY | O_TRUNC, 0644); -#endif - return &this->audio_decoder; -} - -static void *init_plugin (xine_t *xine, void *data) { - - a52dec_class_t *this; - config_values_t *cfg; - - this = (a52dec_class_t *) xine_xmalloc (sizeof (a52dec_class_t)); - - this->decoder_class.open_plugin = open_plugin; - this->decoder_class.identifier = "a/52dec"; - this->decoder_class.description = N_("liba52 based a52 audio decoder plugin"); - this->decoder_class.dispose = default_audio_decoder_class_dispose; - - cfg = this->config = xine->config; - - this->a52_level = (float) cfg->register_range (cfg, "audio.a52.level", 100, - 0, 200, - _("A/52 volume"), - _("With A/52 audio, you can modify the volume " - "at the decoder level. This has the advantage " - "of the audio being already decoded for the " - "specified volume, so later operations like " - "channel downmixing will work on an audio stream " - "of the given volume."), - 10, a52_level_change_cb, this) / 100.0; - this->disable_dynrng_compress = !cfg->register_bool (cfg, "audio.a52.dynamic_range", 0, - _("use A/52 dynamic range compression"), - _("Dynamic range compression limits the dynamic " - "range of the audio. This means making the loud " - "sounds softer, and the soft sounds louder, so you can " - "more easily listen to the audio in a noisy " - "environment without disturbing anyone."), - 0, dynrng_compress_change_cb, this); - this->enable_surround_downmix = cfg->register_bool (cfg, "audio.a52.surround_downmix", 0, - _("downmix audio to 2 channel surround stereo"), - _("When you want to listen to multichannel surround " - "sound, but you have only two speakers or a " - "surround decoder or amplifier which does some " - "sort of matrix surround decoding like prologic, " - "you should enable this option so that the " - "additional channels are mixed into the stereo " - "signal."), - 0, surround_downmix_change_cb, this); - lprintf ("init_plugin called\n"); - return this; -} - -static void a52_level_change_cb(void *this_gen, xine_cfg_entry_t *entry) -{ - ((a52dec_class_t *)this_gen)->a52_level = entry->num_value / 100.0; -} - -static void dynrng_compress_change_cb(void *this_gen, xine_cfg_entry_t *entry) -{ - ((a52dec_class_t *)this_gen)->disable_dynrng_compress = !entry->num_value; -} - -static void surround_downmix_change_cb(void *this_gen, xine_cfg_entry_t *entry) -{ - ((a52dec_class_t *)this_gen)->enable_surround_downmix = entry->num_value; -} - - -static uint32_t audio_types[] = { - BUF_AUDIO_A52, - BUF_AUDIO_DNET, - 0 - }; - -static const decoder_info_t dec_info_audio = { - audio_types, /* supported types */ - 5 /* priority */ -}; - -const plugin_info_t xine_plugin_info[] EXPORTED = { - /* type, API, "name", version, special_info, init_function */ - { PLUGIN_AUDIO_DECODER | PLUGIN_MUST_PRELOAD, 16, "a/52", XINE_VERSION_CODE, &dec_info_audio, init_plugin }, - { PLUGIN_NONE, 0, "", 0, NULL, NULL } -}; diff --git a/src/libxineadec/xine_dts_decoder.c b/src/libxineadec/xine_dts_decoder.c deleted file mode 100644 index 9d2fc5e93..000000000 --- a/src/libxineadec/xine_dts_decoder.c +++ /dev/null @@ -1,578 +0,0 @@ -/* - * Copyright (C) 2000-2007 the xine project - * - * This file is part of xine, a unix video player. - * - * xine is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * xine is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - */ - -/** - * @file - * @brief DTS decoder for xine - * - * @author Joachim Koenig (2001-09-04) - * @author James Courtier-Dutton (2001-12-09) - */ - -#ifndef __sun -/* required for swab() */ -#define _XOPEN_SOURCE 500 -#endif -/* avoid compiler warnings */ -#define _BSD_SOURCE 1 - -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <assert.h> - -#define LOG_MODULE "libdts" -#define LOG_VERBOSE -/* -#define LOG -*/ - -#include <xine/xine_internal.h> -#include <xine/xineutils.h> -#include <xine/audio_out.h> -#include <xine/buffer.h> - -#include "bswap.h" - -#include <dts.h> - -#define MAX_AC5_FRAME 4096 - -typedef struct { - audio_decoder_class_t decoder_class; -} dts_class_t; - -typedef struct { - audio_decoder_t audio_decoder; - - xine_stream_t *stream; - audio_decoder_class_t *class; - - dts_state_t *dts_state; - int64_t pts; - - int audio_caps; - int sync_state; - int ac5_length, ac5_pcm_length, frame_todo; - uint32_t syncdword; - uint8_t frame_buffer[MAX_AC5_FRAME]; - uint8_t *frame_ptr; - - int output_open; - - int bypass_mode; - int dts_flags; - int dts_sample_rate; - int dts_bit_rate; - int dts_flags_map[11]; /* Convert from stream dts_flags to the dts_flags we want from the dts downmixer */ - int ao_flags_map[11]; /* Convert from the xine AO_CAP's to dts_flags. */ - int have_lfe; - - -} dts_decoder_t; - -static void dts_reset (audio_decoder_t *const this_gen) { -} - -static void dts_discontinuity (audio_decoder_t *const this_gen) { -} - -/** - * @brief Convert a array of floating point samples into 16-bit signed integer samples - * @param f Floating point samples array (origin) - * @param s16 16-bit signed integer samples array (destination) - * @param num_channels Number of channels present in the stream - * - * @todo This same work is being done in many decoders to adapt the output of - * the decoder to what the audio output can actually use, this should be - * done by the audio_output loop, not by the decoders. - * @note This is subtly different from the function with the same name in xine_musepack_decoder.c - */ -static inline void float_to_int (const float *const _f, int16_t *const s16, const int num_channels) { - const int endidx = 256 * num_channels; - int i, j; - - for (i = 0, j = 0; j < endidx; i++, j += num_channels) { - const float f = _f[i] * 32767; - if (f > INT16_MAX) - s16[j] = INT16_MAX; - else if (f < INT16_MIN) - s16[j] = INT16_MIN; - else - s16[j] = f; - /* printf("samples[%d] = %f, %d\n", i, _f[i], s16[num_channels*i]); */ - } -} - -static inline void mute_channel (int16_t *const s16, const int num_channels) { - const int endidx = 256 * num_channels; - int i; - - for (i = 0; i < endidx; i += num_channels) - s16[i] = 0; -} - -static void dts_decode_frame (dts_decoder_t *this, const int64_t pts, const int preview_mode) { - - audio_buffer_t *audio_buffer; - uint32_t ac5_spdif_type=0; - int output_mode = AO_CAP_MODE_STEREO; - uint8_t *data_out; - uint8_t *const data_in = this->frame_buffer; - - lprintf("decode_frame\n"); - audio_buffer = this->stream->audio_out->get_buffer (this->stream->audio_out); - audio_buffer->vpts = pts; - - if(this->bypass_mode) { - /* SPDIF digital output */ - if (!this->output_open) { - this->output_open = ((this->stream->audio_out->open) (this->stream->audio_out, this->stream, - 16, this->dts_sample_rate, - AO_CAP_MODE_AC5)); - } - - if (!this->output_open) - return; - - data_out=(uint8_t *) audio_buffer->mem; - if (this->ac5_length > 8191) { - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, "libdts: ac5_length too long\n"); - this->ac5_pcm_length = 0; - } - - switch (this->ac5_pcm_length) { - case 512: - ac5_spdif_type = 0x0b; /* DTS-1 (512-sample bursts) */ - break; - case 1024: - ac5_spdif_type = 0x0c; /* DTS-1 (1024-sample bursts) */ - break; - case 2048: - ac5_spdif_type = 0x0d; /* DTS-1 (2048-sample bursts) */ - break; - default: - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, - "libdts: DTS %i-sample bursts not supported\n", this->ac5_pcm_length); - return; - } - -#ifdef LOG_DEBUG - { - int i; - printf("libdts: DTS frame type=%d\n",data_in[4] >> 7); - printf("libdts: DTS deficit frame count=%d\n",(data_in[4] & 0x7f) >> 2); - printf("libdts: DTS AC5 PCM samples=%d\n",ac5_pcm_samples); - printf("libdts: DTS AC5 length=%d\n",this->ac5_length); - printf("libdts: DTS AC5 bitrate=%d\n",((data_in[8] & 0x03) << 4) | (data_in[8] >> 4)); - printf("libdts: DTS AC5 spdif type=%d\n", ac5_spdif_type); - - printf("libdts: "); - for(i=2000;i<2048;i++) { - printf("%02x ",data_in[i]); - } - printf("\n"); - } -#endif - - lprintf("length=%d pts=%"PRId64"\n",this->ac5_pcm_length,audio_buffer->vpts); - - audio_buffer->num_frames = this->ac5_pcm_length; - - data_out[0] = 0x72; data_out[1] = 0xf8; /* spdif syncword */ - data_out[2] = 0x1f; data_out[3] = 0x4e; /* .............. */ - data_out[4] = ac5_spdif_type; /* DTS data */ - data_out[5] = 0; /* Unknown */ - data_out[6] = (this->ac5_length << 3) & 0xff; /* ac5_length * 8 */ - data_out[7] = ((this->ac5_length ) >> 5) & 0xff; - - if( this->ac5_pcm_length ) { - if( this->ac5_pcm_length % 2) { - swab(data_in, &data_out[8], this->ac5_length ); - } else { - swab(data_in, &data_out[8], this->ac5_length + 1); - } - } - } else { - /* Software decode */ - int i, dts_output_flags; - int16_t *const int_samples = audio_buffer->mem; - int number_of_dts_blocks; - - level_t level = 1.0; - sample_t *samples; - - dts_output_flags = this->dts_flags_map[this->dts_flags & DTS_CHANNEL_MASK]; - - if(dts_frame(this->dts_state, data_in, &dts_output_flags, &level, 0)) { - xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "libdts: dts_frame error\n"); - return; - } - - this->have_lfe = dts_output_flags & DTS_LFE; - if (this->have_lfe) - if (this->audio_caps & AO_CAP_MODE_5_1CHANNEL) { - output_mode = AO_CAP_MODE_5_1CHANNEL; - } else if (this->audio_caps & AO_CAP_MODE_4_1CHANNEL) { - output_mode = AO_CAP_MODE_4_1CHANNEL; - } else { - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, "libdts: WHAT DO I DO!!!\n"); - output_mode = this->ao_flags_map[dts_output_flags & DTS_CHANNEL_MASK]; - } - else - output_mode = this->ao_flags_map[dts_output_flags & DTS_CHANNEL_MASK]; - - if (!this->output_open) { - this->output_open = (this->stream->audio_out->open) (this->stream->audio_out, this->stream, - 16, this->dts_sample_rate, - output_mode); - } - - if (!this->output_open) - return; - number_of_dts_blocks = dts_blocks_num (this->dts_state); - audio_buffer->num_frames = 256*number_of_dts_blocks; - for(i = 0; i < number_of_dts_blocks; i++) { - if(dts_block(this->dts_state)) { - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, - "libdts: dts_block error on audio channel %d\n", i); - audio_buffer->num_frames = 0; - break; - } - - samples = dts_samples(this->dts_state); - switch (output_mode) { - case AO_CAP_MODE_MONO: - float_to_int (&samples[0], int_samples+(i*256), 1); - break; - case AO_CAP_MODE_STEREO: - /* Tested, working. */ - float_to_int (&samples[0*256], int_samples+(i*256*2), 2); /* L */ - float_to_int (&samples[1*256], int_samples+(i*256*2)+1, 2); /* R */ - break; - case AO_CAP_MODE_4CHANNEL: - /* Tested, working */ - float_to_int (&samples[0*256], int_samples+(i*256*4), 4); /* L */ - float_to_int (&samples[1*256], int_samples+(i*256*4)+1, 4); /* R */ - float_to_int (&samples[2*256], int_samples+(i*256*4)+2, 4); /* RL */ - float_to_int (&samples[3*256], int_samples+(i*256*4)+3, 4); /* RR */ - break; - case AO_CAP_MODE_4_1CHANNEL: - /* Tested, working */ - float_to_int (&samples[0*256], int_samples+(i*256*6)+0, 6); /* L */ - float_to_int (&samples[1*256], int_samples+(i*256*6)+1, 6); /* R */ - float_to_int (&samples[2*256], int_samples+(i*256*6)+2, 6); /* RL */ - float_to_int (&samples[3*256], int_samples+(i*256*6)+3, 6); /* RR */ - float_to_int (&samples[4*256], int_samples+(i*256*6)+5, 6); /* LFE */ - mute_channel ( int_samples+(i*256*6)+4, 6); /* C */ - break; - case AO_CAP_MODE_5CHANNEL: - /* Tested, working */ - float_to_int (&samples[0*256], int_samples+(i*256*6)+4, 6); /* C */ - float_to_int (&samples[1*256], int_samples+(i*256*6)+0, 6); /* L */ - float_to_int (&samples[2*256], int_samples+(i*256*6)+1, 6); /* R */ - float_to_int (&samples[3*256], int_samples+(i*256*6)+2, 6); /* RL */ - float_to_int (&samples[4*256], int_samples+(i*256*6)+3, 6); /* RR */ - mute_channel ( int_samples+(i*256*6)+5, 6); /* LFE */ - break; - case AO_CAP_MODE_5_1CHANNEL: - float_to_int (&samples[0*256], int_samples+(i*256*6)+4, 6); /* C */ - float_to_int (&samples[1*256], int_samples+(i*256*6)+0, 6); /* L */ - float_to_int (&samples[2*256], int_samples+(i*256*6)+1, 6); /* R */ - float_to_int (&samples[3*256], int_samples+(i*256*6)+2, 6); /* RL */ - float_to_int (&samples[4*256], int_samples+(i*256*6)+3, 6); /* RR */ - float_to_int (&samples[5*256], int_samples+(i*256*6)+5, 6); /* LFE */ /* Not working yet */ - break; - default: - xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "libdts: help - unsupported mode %08x\n", output_mode); - } - } - } - - this->stream->audio_out->put_buffer (this->stream->audio_out, audio_buffer, this->stream); - - -} - -static void dts_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { - - dts_decoder_t *const this = (dts_decoder_t *) this_gen; - uint8_t *current = (uint8_t *)buf->content; - uint8_t *sync_start=current + 1; - uint8_t *const end = buf->content + buf->size; - - lprintf("decode_data\n"); - - if (buf->decoder_flags & BUF_FLAG_PREVIEW) - return; - if (buf->decoder_flags & BUF_FLAG_STDHEADER) - return; - - lprintf ("processing...state %d\n", this->sync_state); - - while (current < end) { - switch (this->sync_state) { - case 0: /* Looking for sync header */ - this->syncdword = (this->syncdword << 8) | *current++; -/* - if ((this->syncdword == 0xff1f00e8) || - (this->syncdword == 0x1fffe800) || - (this->syncdword == 0xfe7f0180) || - (this->syncdword == 0x7ffe8001) ) { -*/ - - if ((this->syncdword == 0x7ffe8001) || (this->syncdword == 0xff1f00e8)) { - const uint32_t be_syncdword = be2me_32(this->syncdword); - - lprintf ("sync found: syncdword=0x%x\n", this->syncdword); - - memcpy(this->frame_buffer, &be_syncdword, sizeof(be_syncdword)); - - this->sync_state = 1; - this->frame_ptr = this->frame_buffer+4; - this->pts = buf->pts; - } - break; - - case 1: /* Looking for enough bytes for sync_info. */ - sync_start = current - 1; - *this->frame_ptr++ = *current++; - if ((this->frame_ptr - this->frame_buffer) > 19) { - const int old_dts_flags = this->dts_flags; - const int old_dts_sample_rate = this->dts_sample_rate; - const int old_dts_bit_rate = this->dts_bit_rate; - - this->ac5_length = dts_syncinfo (this->dts_state, this->frame_buffer, - &this->dts_flags, - &this->dts_sample_rate, - &this->dts_bit_rate, &(this->ac5_pcm_length)); - lprintf("ac5_length=%d\n",this->ac5_length); - lprintf("dts_sample_rate=%d\n",this->dts_sample_rate); - - if ( (this->ac5_length < 80) || (this->ac5_length > MAX_AC5_FRAME) ) { /* Invalid dts ac5_pcm_length */ - this->syncdword = 0; - current = sync_start; - this->sync_state = 0; - break; - } - - lprintf("Frame length = %d\n",this->ac5_pcm_length); - - this->frame_todo = this->ac5_length - 20; - this->sync_state = 2; - if (!_x_meta_info_get(this->stream, XINE_META_INFO_AUDIOCODEC) || - old_dts_flags != this->dts_flags || - old_dts_sample_rate != this->dts_sample_rate || - old_dts_bit_rate != this->dts_bit_rate) { - - switch (this->dts_flags & DTS_CHANNEL_MASK) { - case DTS_3F2R: - if (this->dts_flags & DTS_LFE) - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "DTS 5.1"); - else - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "DTS 5.0"); - break; - case DTS_3F1R: - case DTS_2F2R: - if (this->dts_flags & DTS_LFE) - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "DTS 4.1"); - else - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "DTS 4.0"); - break; - case DTS_2F1R: - case DTS_3F: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "DTS 3.0"); - break; - case DTS_STEREO: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "DTS 2.0 (stereo)"); - break; - case DTS_MONO: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "DTS 1.0"); - break; - default: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "DTS"); - break; - } - - _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_BITRATE, this->dts_bit_rate); - _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_SAMPLERATE, this->dts_sample_rate); - } - } - break; - - case 2: /* Filling frame_buffer with sync_info bytes */ - *this->frame_ptr++ = *current++; - this->frame_todo--; - if (this->frame_todo < 1) { - this->sync_state = 3; - } else break; - - case 3: /* Ready for decode */ -#if 0 - dtsdec_decode_frame (this, this->pts_list[0], buf->decoder_flags & BUF_FLAG_PREVIEW); -#else - dts_decode_frame (this, this->pts, buf->decoder_flags & BUF_FLAG_PREVIEW); -#endif - case 4: /* Clear up ready for next frame */ - this->pts = 0; - this->syncdword = 0; - this->sync_state = 0; - break; - default: /* No come here */ - break; - } - } -} - -static void dts_dispose (audio_decoder_t *this_gen) { - dts_decoder_t *const this = (dts_decoder_t *) this_gen; - - if (this->output_open) - this->stream->audio_out->close (this->stream->audio_out, this->stream); - - free (this); -} - -static audio_decoder_t *open_plugin (audio_decoder_class_t *class_gen, xine_stream_t *stream) { - dts_decoder_t *this ; - - lprintf("open_plugin\n"); - - this = (dts_decoder_t *) xine_xmalloc (sizeof (dts_decoder_t)); - - this->audio_decoder.decode_data = dts_decode_data; - this->audio_decoder.reset = dts_reset; - this->audio_decoder.discontinuity = dts_discontinuity; - this->audio_decoder.dispose = dts_dispose; - - this->dts_state = dts_init(0); - this->audio_caps = stream->audio_out->get_capabilities(stream->audio_out); - if(this->audio_caps & AO_CAP_MODE_AC5) - this->bypass_mode = 1; - else { - this->bypass_mode = 0; - /* FIXME: Leave "DOLBY pro logic" downmix out for now. */ - this->dts_flags_map[DTS_MONO] = DTS_MONO; - this->dts_flags_map[DTS_STEREO] = DTS_STEREO; - this->dts_flags_map[DTS_3F] = DTS_STEREO; - this->dts_flags_map[DTS_2F1R] = DTS_STEREO; - this->dts_flags_map[DTS_3F1R] = DTS_STEREO; - this->dts_flags_map[DTS_2F2R] = DTS_STEREO; - this->dts_flags_map[DTS_3F2R] = DTS_STEREO; - - this->ao_flags_map[DTS_MONO] = AO_CAP_MODE_MONO; - this->ao_flags_map[DTS_STEREO] = AO_CAP_MODE_STEREO; - this->ao_flags_map[DTS_3F] = AO_CAP_MODE_STEREO; - this->ao_flags_map[DTS_2F1R] = AO_CAP_MODE_STEREO; - this->ao_flags_map[DTS_3F1R] = AO_CAP_MODE_STEREO; - this->ao_flags_map[DTS_2F2R] = AO_CAP_MODE_STEREO; - this->ao_flags_map[DTS_3F2R] = AO_CAP_MODE_STEREO; - - /* find best mode */ - if (this->audio_caps & AO_CAP_MODE_5_1CHANNEL) { - - this->dts_flags_map[DTS_2F2R] = DTS_2F2R; - this->dts_flags_map[DTS_3F2R] = DTS_3F2R | DTS_LFE; - this->ao_flags_map[DTS_2F2R] = AO_CAP_MODE_4CHANNEL; - this->ao_flags_map[DTS_3F2R] = AO_CAP_MODE_5CHANNEL; - - } else if (this->audio_caps & AO_CAP_MODE_5CHANNEL) { - - this->dts_flags_map[DTS_2F2R] = DTS_2F2R; - this->dts_flags_map[DTS_3F2R] = DTS_3F2R; - this->ao_flags_map[DTS_2F2R] = AO_CAP_MODE_4CHANNEL; - this->ao_flags_map[DTS_3F2R] = AO_CAP_MODE_5CHANNEL; - - } else if (this->audio_caps & AO_CAP_MODE_4_1CHANNEL) { - - this->dts_flags_map[DTS_2F2R] = DTS_2F2R; - this->dts_flags_map[DTS_3F2R] = DTS_2F2R | DTS_LFE; - this->ao_flags_map[DTS_2F2R] = AO_CAP_MODE_4CHANNEL; - this->ao_flags_map[DTS_3F2R] = AO_CAP_MODE_4CHANNEL; - - } else if (this->audio_caps & AO_CAP_MODE_4CHANNEL) { - - this->dts_flags_map[DTS_2F2R] = DTS_2F2R; - this->dts_flags_map[DTS_3F2R] = DTS_2F2R; - - this->ao_flags_map[DTS_2F2R] = AO_CAP_MODE_4CHANNEL; - this->ao_flags_map[DTS_3F2R] = AO_CAP_MODE_4CHANNEL; - - /* else if (this->audio_caps & AO_CAP_MODE_STEREO) - defaults are ok */ - } else if (!(this->audio_caps & AO_CAP_MODE_STEREO)) { - xprintf (this->stream->xine, XINE_VERBOSITY_LOG, _("HELP! a mono-only audio driver?!\n")); - - this->dts_flags_map[DTS_MONO] = DTS_MONO; - this->dts_flags_map[DTS_STEREO] = DTS_MONO; - this->dts_flags_map[DTS_3F] = DTS_MONO; - this->dts_flags_map[DTS_2F1R] = DTS_MONO; - this->dts_flags_map[DTS_3F1R] = DTS_MONO; - this->dts_flags_map[DTS_2F2R] = DTS_MONO; - this->dts_flags_map[DTS_3F2R] = DTS_MONO; - - this->ao_flags_map[DTS_MONO] = AO_CAP_MODE_MONO; - this->ao_flags_map[DTS_STEREO] = AO_CAP_MODE_MONO; - this->ao_flags_map[DTS_3F] = AO_CAP_MODE_MONO; - this->ao_flags_map[DTS_2F1R] = AO_CAP_MODE_MONO; - this->ao_flags_map[DTS_3F1R] = AO_CAP_MODE_MONO; - this->ao_flags_map[DTS_2F2R] = AO_CAP_MODE_MONO; - this->ao_flags_map[DTS_3F2R] = AO_CAP_MODE_MONO; - } - } - this->stream = stream; - this->class = class_gen; - this->output_open = 0; - - return &this->audio_decoder; -} - -static void *init_plugin (xine_t *xine, void *data) { - dts_class_t *this ; - - lprintf("init_plugin\n"); - - this = (dts_class_t *) xine_xmalloc (sizeof (dts_class_t)); - - this->decoder_class.open_plugin = open_plugin; - this->decoder_class.identifier = "DTS"; - this->decoder_class.description = N_("DTS passthru audio format decoder plugin"); - this->decoder_class.dispose = default_audio_decoder_class_dispose; - - return this; -} - -static uint32_t audio_types[] = { - BUF_AUDIO_DTS, 0 - }; - -static const decoder_info_t dec_info_audio = { - audio_types, /* supported types */ - 1 /* priority */ -}; - -const plugin_info_t xine_plugin_info[] EXPORTED = { - /* type, API, "name", version, special_info, init_function */ - { PLUGIN_AUDIO_DECODER, 16, "dts", XINE_VERSION_CODE, &dec_info_audio, init_plugin }, - { PLUGIN_NONE, 0, "", 0, NULL, NULL } -}; diff --git a/src/libxineadec/xine_faad_decoder.c b/src/libxineadec/xine_faad_decoder.c deleted file mode 100644 index 6b242005a..000000000 --- a/src/libxineadec/xine_faad_decoder.c +++ /dev/null @@ -1,477 +0,0 @@ -/* - * Copyright (C) 2000-2005 the xine project - * - * This file is part of xine, a free video player. - * - * xine is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * xine is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - */ - -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> - -#define LOG_MODULE "libfaad" -#define LOG_VERBOSE -/* -#define LOG -*/ - -#include <xine/xine_internal.h> -#include <xine/audio_out.h> -#include <xine/buffer.h> -#include <xine/xineutils.h> -#ifdef HAVE_NEAACDEC_H -#include <neaacdec.h> -#else -#include "common.h" -#include "structs.h" -#include "decoder.h" -#include "syntax.h" -#endif - -#define FAAD_MIN_STREAMSIZE 768 /* 6144 bits/channel */ - -typedef struct { - audio_decoder_class_t decoder_class; -} faad_class_t; - -typedef struct faad_decoder_s { - audio_decoder_t audio_decoder; - - xine_stream_t *stream; - - /* faad2 stuff */ - NeAACDecHandle faac_dec; - NeAACDecConfigurationPtr faac_cfg; - NeAACDecFrameInfo faac_finfo; - int faac_failed; - - int raw_mode; - - unsigned char *buf; - int size; - int rec_audio_src_size; - int max_audio_src_size; - int pts; - - unsigned char *dec_config; - int dec_config_size; - - unsigned long rate; - int bits_per_sample; - unsigned char num_channels; - int sbr; - - int output_open; - - unsigned long total_time; - unsigned long total_data; -} faad_decoder_t; - - -static void faad_reset (audio_decoder_t *this_gen) { - - faad_decoder_t *this = (faad_decoder_t *) this_gen; - this->size = 0; -} - -static void faad_meta_info_set ( faad_decoder_t *this ) { - switch (this->num_channels) { - case 1: - if (this->faac_finfo.sbr == SBR_UPSAMPLED) - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, - "HE-AAC 1.0 (libfaad)"); - else - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, - "AAC 1.0 (libfaad)"); - break; - case 2: - /* check if this is downmixed 5.1 */ - if (!this->faac_cfg || !this->faac_cfg->downMatrix) { - if (this->faac_finfo.sbr == SBR_UPSAMPLED) - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, - "HE-AAC 2.0 (libfaad)"); - else - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, - "AAC 2.0 (libfaad)"); - break; - } - case 6: - if (this->faac_finfo.sbr == SBR_UPSAMPLED) - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, - "HE-AAC 5.1 (libfaad)"); - else - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, - "AAC 5.1 (libfaad)"); - break; - } -} - -static int faad_open_dec( faad_decoder_t *this ) { - int used; - - this->faac_dec = NeAACDecOpen(); - if( !this->faac_dec ) { - xprintf( this->stream->xine, XINE_VERBOSITY_LOG, - _("libfaad: libfaad NeAACDecOpen() failed.\n")); - this->faac_failed++; - } else { - if( this->dec_config ) { - used = NeAACDecInit2(this->faac_dec, this->dec_config, this->dec_config_size, - &this->rate, &this->num_channels); - - if( used < 0 ) { - xprintf( this->stream->xine, XINE_VERBOSITY_LOG, - _("libfaad: libfaad NeAACDecInit2 failed.\n")); - this->faac_failed++; - } else - lprintf( "NeAACDecInit2 returned rate=%"PRId32" channels=%d\n", - this->rate, this->num_channels ); - } else { - used = NeAACDecInit(this->faac_dec, this->buf, this->size, - &this->rate, &this->num_channels); - - if( used < 0 ) { - xprintf ( this->stream->xine, XINE_VERBOSITY_LOG, - _("libfaad: libfaad NeAACDecInit failed.\n")); - this->faac_failed++; - } else { - lprintf( "NeAACDecInit() returned rate=%"PRId32" channels=%d (used=%d)\n", - this->rate, this->num_channels, used); - - this->size -= used; - memmove( this->buf, &this->buf[used], this->size ); - } - } - } - - if( !this->bits_per_sample ) - this->bits_per_sample = 16; - - if( this->faac_failed ) { - if( this->faac_dec ) { - NeAACDecClose( this->faac_dec ); - this->faac_dec = NULL; - } - _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_HANDLED, 0); - } else { - faad_meta_info_set(this); - } - - return this->faac_failed; -} - -static int faad_open_output( faad_decoder_t *this ) { - int ao_cap_mode; - - this->rec_audio_src_size = this->num_channels * FAAD_MIN_STREAMSIZE; - - switch( this->num_channels ) { - case 1: - ao_cap_mode=AO_CAP_MODE_MONO; - break; - case 6: - if(this->stream->audio_out->get_capabilities(this->stream->audio_out) & - AO_CAP_MODE_5_1CHANNEL) { - ao_cap_mode = AO_CAP_MODE_5_1CHANNEL; - break; - } else { - this->faac_cfg = NeAACDecGetCurrentConfiguration(this->faac_dec); - this->faac_cfg->downMatrix = 1; - NeAACDecSetConfiguration(this->faac_dec, this->faac_cfg); - this->num_channels = 2; - } - case 2: - ao_cap_mode=AO_CAP_MODE_STEREO; - break; - default: - return 0; - } - - this->output_open = (this->stream->audio_out->open) (this->stream->audio_out, - this->stream, - this->bits_per_sample, - this->rate, - ao_cap_mode) ; - return this->output_open; -} - -static void faad_decode_audio ( faad_decoder_t *this, int end_frame ) { - int used, decoded, outsize; - uint8_t *sample_buffer; - uint8_t *inbuf; - audio_buffer_t *audio_buffer; - int sample_size = this->size; - - if( !this->faac_dec ) - return; - - inbuf = this->buf; - while( (!this->raw_mode && end_frame && this->size >= 10) || - (this->raw_mode && this->size >= this->rec_audio_src_size) ) { - - sample_buffer = NeAACDecDecode(this->faac_dec, - &this->faac_finfo, inbuf, sample_size); - - if( !sample_buffer ) { - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, - "libfaad: %s\n", NeAACDecGetErrorMessage(this->faac_finfo.error)); - used = 1; - } else { - used = this->faac_finfo.bytesconsumed; - - /* raw AAC parameters might only be known after decoding the first frame */ - if( !this->dec_config && - (this->num_channels != this->faac_finfo.channels || - this->rate != this->faac_finfo.samplerate) ) { - - this->num_channels = this->faac_finfo.channels; - this->rate = this->faac_finfo.samplerate; - - lprintf("NeAACDecDecode() returned rate=%"PRId32" channels=%d used=%d\n", - this->rate, this->num_channels, used); - - this->stream->audio_out->close (this->stream->audio_out, this->stream); - this->output_open = 0; - faad_open_output( this ); - - faad_meta_info_set( this ); - } - - /* faad doesn't tell us about sbr until after the first frame */ - if (this->sbr != this->faac_finfo.sbr) { - this->sbr = this->faac_finfo.sbr; - faad_meta_info_set( this ); - } - - /* estimate bitrate */ - this->total_time += (1000*this->faac_finfo.samples/(this->rate*this->num_channels)); - this->total_data += 8*used; - - if ((this->total_time > LONG_MAX) || (this->total_data > LONG_MAX)) { - this->total_time >>= 2; - this->total_data >>= 2; - } - - if (this->total_time) - _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_BITRATE, - 1000*(this->total_data/this->total_time)); - - decoded = this->faac_finfo.samples * 2; /* 1 sample = 2 bytes */ - - lprintf("decoded %d/%d output %ld\n", - used, this->size, this->faac_finfo.samples ); - - while( decoded ) { - audio_buffer = this->stream->audio_out->get_buffer (this->stream->audio_out); - - if( decoded < audio_buffer->mem_size ) - outsize = decoded; - else - outsize = audio_buffer->mem_size; - - xine_fast_memcpy( audio_buffer->mem, sample_buffer, outsize ); - - audio_buffer->num_frames = outsize / (this->num_channels*2); - audio_buffer->vpts = this->pts; - - this->stream->audio_out->put_buffer (this->stream->audio_out, audio_buffer, this->stream); - - this->pts = 0; - decoded -= outsize; - sample_buffer += outsize; - } - } - - if(used >= this->size){ - this->size = 0; - } else { - this->size -= used; - inbuf += used; - } - - if( !this->raw_mode ) - this->size = 0; - } - - if( this->size ) - memmove( this->buf, inbuf, this->size); - -} - -static void faad_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { - - faad_decoder_t *this = (faad_decoder_t *) this_gen; - - if (buf->decoder_flags & BUF_FLAG_PREVIEW) - return; - - /* store config information from ESDS mp4/qt atom */ - if( !this->faac_dec && (buf->decoder_flags & BUF_FLAG_SPECIAL) && - buf->decoder_info[1] == BUF_SPECIAL_DECODER_CONFIG ) { - - this->dec_config = xine_xmalloc(buf->decoder_info[2]); - this->dec_config_size = buf->decoder_info[2]; - memcpy(this->dec_config, buf->decoder_info_ptr[2], buf->decoder_info[2]); - - if( faad_open_dec(this) ) - return; - - this->raw_mode = 0; - } - - /* get audio parameters from file header - (may be overwritten by libfaad returned parameters) */ - if (buf->decoder_flags & BUF_FLAG_STDHEADER) { - this->rate=buf->decoder_info[1]; - this->bits_per_sample=buf->decoder_info[2] ; - this->num_channels=buf->decoder_info[3] ; - - if( buf->size > sizeof(xine_waveformatex) ) { - xine_waveformatex *wavex = (xine_waveformatex *) buf->content; - - if( wavex->cbSize > 0 ) { - this->dec_config = xine_xmalloc(wavex->cbSize); - this->dec_config_size = wavex->cbSize; - memcpy(this->dec_config, buf->content + sizeof(xine_waveformatex), - wavex->cbSize); - - if( faad_open_dec(this) ) - return; - - this->raw_mode = 0; - } - } - } else { - - lprintf ("decoding %d data bytes...\n", buf->size); - - if( (int)buf->size <= 0 || this->faac_failed ) - return; - - if( !this->size ) - this->pts = buf->pts; - - if( this->size + buf->size > this->max_audio_src_size ) { - this->max_audio_src_size = this->size + 2 * buf->size; - this->buf = realloc( this->buf, this->max_audio_src_size ); - } - - memcpy (&this->buf[this->size], buf->content, buf->size); - this->size += buf->size; - - if( !this->faac_dec && faad_open_dec(this) ) - return; - - /* open audio device as needed */ - if (!this->output_open) { - faad_open_output( this ); - } - - faad_decode_audio(this, buf->decoder_flags & BUF_FLAG_FRAME_END ); - } -} - -static void faad_discontinuity (audio_decoder_t *this_gen) { -} - -static void faad_dispose (audio_decoder_t *this_gen) { - - faad_decoder_t *this = (faad_decoder_t *) this_gen; - - if (this->output_open) - this->stream->audio_out->close (this->stream->audio_out, this->stream); - this->output_open = 0; - - if( this->buf ) - free(this->buf); - this->buf = NULL; - this->size = 0; - this->max_audio_src_size = 0; - - if( this->dec_config ) - free(this->dec_config); - this->dec_config = NULL; - this->dec_config_size = 0; - - if( this->faac_dec ) - NeAACDecClose(this->faac_dec); - this->faac_dec = NULL; - this->faac_failed = 0; - - free (this); -} - - -static audio_decoder_t *open_plugin (audio_decoder_class_t *class_gen, xine_stream_t *stream) { - - faad_decoder_t *this ; - - this = (faad_decoder_t *) xine_xmalloc (sizeof (faad_decoder_t)); - - this->audio_decoder.decode_data = faad_decode_data; - this->audio_decoder.reset = faad_reset; - this->audio_decoder.discontinuity = faad_discontinuity; - this->audio_decoder.dispose = faad_dispose; - - this->stream = stream; - this->output_open = 0; - this->raw_mode = 1; - this->faac_dec = NULL; - this->faac_failed = 0; - this->buf = NULL; - this->size = 0; - this->max_audio_src_size = 0; - this->dec_config = NULL; - this->dec_config_size = 0; - this->total_time = 0; - this->total_data = 0; - - this->rate = 0; - - return &this->audio_decoder; -} - -static void *init_plugin (xine_t *xine, void *data) { - - faad_class_t *this ; - - this = (faad_class_t *) xine_xmalloc (sizeof (faad_class_t)); - - this->decoder_class.open_plugin = open_plugin; - this->decoder_class.identifier = "FAAD"; - this->decoder_class.description = N_("Freeware Advanced Audio Decoder"); - this->decoder_class.dispose = default_audio_decoder_class_dispose; - - return this; -} - -static uint32_t audio_types[] = { - BUF_AUDIO_AAC, 0 - }; - -static const decoder_info_t dec_info_audio = { - audio_types, /* supported types */ - 1 /* priority */ -}; - -const plugin_info_t xine_plugin_info[] EXPORTED = { - /* type, API, "name", version, special_info, init_function */ - { PLUGIN_AUDIO_DECODER, 16, "faad", XINE_VERSION_CODE, &dec_info_audio, init_plugin }, - { PLUGIN_NONE, 0, "", 0, NULL, NULL } -}; diff --git a/src/libxineadec/xine_lpcm_decoder.c b/src/libxineadec/xine_lpcm_decoder.c deleted file mode 100644 index 51d2e3137..000000000 --- a/src/libxineadec/xine_lpcm_decoder.c +++ /dev/null @@ -1,278 +0,0 @@ -/* - * Copyright (C) 2000-2003 the xine project - * - * This file is part of xine, a free video player. - * - * xine is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * xine is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - */ - -/** - * @file - * @author James Courtier-Dutton <james@superbug.demon.co.uk> - * - * @date 2001-08-31 Added LPCM rate sensing - */ - -#ifndef __sun -#define _XOPEN_SOURCE 500 -#endif -/* avoid compiler warnings */ -#define _BSD_SOURCE 1 - -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <netinet/in.h> /* ntohs */ - -#include <xine/xine_internal.h> -#include <xine/audio_out.h> -#include <xine/buffer.h> - -#ifdef WIN32 -#include <winsock.h> -/*#include <Winsock2.h>*/ /* htons */ -#endif - -typedef struct { - audio_decoder_class_t decoder_class; -} lpcm_class_t; - -typedef struct lpcm_decoder_s { - audio_decoder_t audio_decoder; - - xine_stream_t *stream; - - uint32_t rate; - uint32_t bits_per_sample; - uint32_t number_of_channels; - uint32_t ao_cap_mode; - - int output_open; - int cpu_be; /**< TRUE, if we're a Big endian CPU */ -} lpcm_decoder_t; - -static void lpcm_reset (audio_decoder_t *this_gen) { - - /* lpcm_decoder_t *this = (lpcm_decoder_t *) this_gen; */ - -} - -static void lpcm_discontinuity (audio_decoder_t *this_gen) { -} - -static void lpcm_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { - - lpcm_decoder_t *this = (lpcm_decoder_t *) this_gen; - int16_t *sample_buffer=(int16_t *)buf->content; - int stream_be; - audio_buffer_t *audio_buffer; - int format_changed = 0; - - /* Drop preview data */ - if (buf->decoder_flags & BUF_FLAG_PREVIEW) - return; - - /* get config byte from mpeg2 stream */ - if ( (buf->decoder_flags & BUF_FLAG_SPECIAL) && - buf->decoder_info[1] == BUF_SPECIAL_LPCM_CONFIG ) { - unsigned int bits_per_sample = 16; - unsigned int sample_rate = 0; - unsigned int num_channels; - - num_channels = (buf->decoder_info[2] & 0x7) + 1; - switch ((buf->decoder_info[2]>>4) & 3) { - case 0: sample_rate = 48000; break; - case 1: sample_rate = 96000; break; - case 2: sample_rate = 44100; break; - case 3: sample_rate = 32000; break; - } - switch ((buf->decoder_info[2]>>6) & 3) { - case 0: bits_per_sample = 16; break; - case 1: bits_per_sample = 20; break; - case 2: bits_per_sample = 24; break; - } - - if( this->bits_per_sample != bits_per_sample || - this->number_of_channels != num_channels || - this->rate != sample_rate || - !this->output_open ) { - this->bits_per_sample = bits_per_sample; - this->number_of_channels = num_channels; - this->rate = sample_rate; - format_changed++; - } - } - - if( buf->decoder_flags & BUF_FLAG_STDHEADER ) { - this->rate=buf->decoder_info[1]; - this->bits_per_sample=buf->decoder_info[2] ; - this->number_of_channels=buf->decoder_info[3] ; - format_changed++; - } - - /* - * (re-)open output device - */ - if ( format_changed ) { - if (this->output_open) - this->stream->audio_out->close (this->stream->audio_out, this->stream); - - this->ao_cap_mode=_x_ao_channels2mode(this->number_of_channels); - - /* force 24-bit samples into 16 bits for now */ - if (this->bits_per_sample == 24) - this->output_open = (this->stream->audio_out->open) (this->stream->audio_out, this->stream, - 16, - this->rate, - this->ao_cap_mode) ; - else - this->output_open = (this->stream->audio_out->open) (this->stream->audio_out, this->stream, - this->bits_per_sample, - this->rate, - this->ao_cap_mode) ; - - /* stream/meta info */ - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "Linear PCM"); - _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_BITRATE, - this->bits_per_sample * this->rate * this->number_of_channels); - } - - if (!this->output_open || (buf->decoder_flags & BUF_FLAG_HEADER) ) - return; - - audio_buffer = this->stream->audio_out->get_buffer (this->stream->audio_out); - - /* Swap LPCM samples into native byte order, if necessary */ - buf->type &= 0xffff0000; - stream_be = ( buf->type == BUF_AUDIO_LPCM_BE ); - - if( this->bits_per_sample == 16 ){ - if (stream_be != this->cpu_be) - swab (sample_buffer, audio_buffer->mem, buf->size); - else - memcpy (audio_buffer->mem, sample_buffer, buf->size); - } - else if( this->bits_per_sample == 20 ) { - uint8_t *s = (uint8_t *)sample_buffer; - uint8_t *d = (uint8_t *)audio_buffer->mem; - int n = buf->size; - - if (stream_be != this->cpu_be) { - while( n >= 0 ) { - swab( s, d, 8 ); - s += 10; - d += 8; - n -= 10; - } - } else { - while( n >= 0 ) { - memcpy( d, s, 8 ); - s += 10; - d += 8; - n -= 10; - } - } - } else if( this->bits_per_sample == 24 ) { - uint8_t *s = (uint8_t *)sample_buffer; - uint8_t *d = (uint8_t *)audio_buffer->mem; - int n = buf->size; - - while (n >= 0) { - if ( stream_be ) { - *d++ = s[0]; - *d++ = s[1]; - } else { - *d++ = s[1]; - *d++ = s[2]; - } - - s += 3; - n -= 3; - } - } else { - memcpy (audio_buffer->mem, sample_buffer, buf->size); - } - - audio_buffer->vpts = buf->pts; - audio_buffer->num_frames = (((buf->size*8)/this->number_of_channels)/this->bits_per_sample); - - this->stream->audio_out->put_buffer (this->stream->audio_out, audio_buffer, this->stream); - -} - -static void lpcm_dispose (audio_decoder_t *this_gen) { - lpcm_decoder_t *this = (lpcm_decoder_t *) this_gen; - - if (this->output_open) - this->stream->audio_out->close (this->stream->audio_out, this->stream); - this->output_open = 0; - - free (this_gen); -} - -static audio_decoder_t *open_plugin (audio_decoder_class_t *class_gen, xine_stream_t *stream) { - - lpcm_decoder_t *this ; - - this = (lpcm_decoder_t *) xine_xmalloc (sizeof (lpcm_decoder_t)); - - this->audio_decoder.decode_data = lpcm_decode_data; - this->audio_decoder.reset = lpcm_reset; - this->audio_decoder.discontinuity = lpcm_discontinuity; - this->audio_decoder.dispose = lpcm_dispose; - - this->output_open = 0; - this->rate = 0; - this->bits_per_sample=0; - this->number_of_channels=0; - this->ao_cap_mode=0; - this->stream = stream; - - this->cpu_be = ( htons(1) == 1 ); - - return &this->audio_decoder; -} - -static void *init_plugin (xine_t *xine, void *data) { - - lpcm_class_t *this ; - - this = (lpcm_class_t *) xine_xmalloc (sizeof (lpcm_class_t)); - - this->decoder_class.open_plugin = open_plugin; - this->decoder_class.identifier = "Linear PCM"; - this->decoder_class.description = N_("Linear PCM audio decoder plugin"); - this->decoder_class.dispose = default_audio_decoder_class_dispose; - - return this; -} - -static uint32_t audio_types[] = { - BUF_AUDIO_LPCM_BE, BUF_AUDIO_LPCM_LE, 0 -}; - -static const decoder_info_t dec_info_audio = { - audio_types, /* supported types */ - 1 /* priority */ -}; - -const plugin_info_t xine_plugin_info[] EXPORTED = { - /* type, API, "name", version, special_info, init_function */ - { PLUGIN_AUDIO_DECODER, 16, "pcm", XINE_VERSION_CODE, &dec_info_audio, init_plugin }, - { PLUGIN_NONE, 0, "", 0, NULL, NULL } -}; diff --git a/src/libxineadec/xine_mad_decoder.c b/src/libxineadec/xine_mad_decoder.c deleted file mode 100644 index 21e5bf46b..000000000 --- a/src/libxineadec/xine_mad_decoder.c +++ /dev/null @@ -1,365 +0,0 @@ -/* - * Copyright (C) 2000-2003 the xine project - * - * This file is part of xine, a free video player. - * - * xine is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * xine is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - * - * stuff needed to turn libmad into a xine decoder plugin - */ - -#include <stdlib.h> -#include <string.h> -#include <config.h> - -#ifdef HAVE_MAD_H -#include <mad.h> -#endif - -#define LOG_MODULE "mad_decoder" -#define LOG_VERBOSE -/* -#define LOG -*/ - -#include <xine/xine_internal.h> -#include <xine/audio_out.h> -#include <xine/buffer.h> -#include <xine/xineutils.h> - -#ifdef HAVE_MAD_H -# include <mad.h> -#else -# include "frame.h" -# include "synth.h" -#endif - -#define INPUT_BUF_SIZE 16384 - -typedef struct { - audio_decoder_class_t decoder_class; -} mad_class_t; - -typedef struct mad_decoder_s { - audio_decoder_t audio_decoder; - - xine_stream_t *xstream; - - int64_t pts; - - struct mad_synth synth; - struct mad_stream stream; - struct mad_frame frame; - - int output_sampling_rate; - int output_open; - int output_mode; - - uint8_t buffer[INPUT_BUF_SIZE]; - int bytes_in_buffer; - int preview_mode; - -} mad_decoder_t; - -static void mad_reset (audio_decoder_t *this_gen) { - - mad_decoder_t *this = (mad_decoder_t *) this_gen; - - mad_synth_finish (&this->synth); - mad_frame_finish (&this->frame); - mad_stream_finish(&this->stream); - - this->pts = 0; - this->bytes_in_buffer = 0; - this->preview_mode = 0; - - mad_synth_init (&this->synth); - mad_stream_init (&this->stream); - this->stream.options = MAD_OPTION_IGNORECRC; - mad_frame_init (&this->frame); -} - - -static void mad_discontinuity (audio_decoder_t *this_gen) { - - mad_decoder_t *this = (mad_decoder_t *) this_gen; - - this->pts = 0; -} - -/* utility to scale and round samples to 16 bits */ - -static inline -signed int scale(mad_fixed_t sample) -{ - /* round */ - sample += (1L << (MAD_F_FRACBITS - 16)); - - /* clip */ - if (sample >= MAD_F_ONE) - sample = MAD_F_ONE - 1; - else if (sample < -MAD_F_ONE) - sample = -MAD_F_ONE; - - /* quantize */ - return sample >> (MAD_F_FRACBITS + 1 - 16); -} - -/* -static int head_check(mad_decoder_t *this) { - - if( (this->header & 0xffe00000) != 0xffe00000) - return 0; - if(!((this->header>>17)&3)) - return 0; - if( ((this->header>>12)&0xf) == 0xf) - return 0; - if( ((this->header>>10)&0x3) == 0x3 ) - return 0; - return 1; -} -*/ - -static void mad_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { - - mad_decoder_t *this = (mad_decoder_t *) this_gen; - - lprintf ("decode data, decoder_flags: %d\n", buf->decoder_flags); - - if (buf->size>(INPUT_BUF_SIZE-this->bytes_in_buffer)) { - xprintf (this->xstream->xine, XINE_VERBOSITY_DEBUG, - "libmad: ALERT input buffer too small (%d bytes, %d avail)!\n", - buf->size, INPUT_BUF_SIZE-this->bytes_in_buffer); - buf->size = INPUT_BUF_SIZE-this->bytes_in_buffer; - } - - if ((buf->decoder_flags & BUF_FLAG_HEADER) == 0) { - - /* reset decoder on leaving preview mode */ - if ((buf->decoder_flags & BUF_FLAG_PREVIEW) == 0) { - if (this->preview_mode) { - mad_reset (this_gen); - } - } else { - this->preview_mode = 1; - } - - xine_fast_memcpy (&this->buffer[this->bytes_in_buffer], - buf->content, buf->size); - this->bytes_in_buffer += buf->size; - - /* - printf ("libmad: decode data - doing it\n"); - */ - - mad_stream_buffer (&this->stream, this->buffer, - this->bytes_in_buffer); - - while (1) { - - if (mad_frame_decode (&this->frame, &this->stream) != 0) { - - if (this->stream.next_frame) { - int num_bytes = - this->buffer + this->bytes_in_buffer - this->stream.next_frame; - - /* printf("libmad: MAD_ERROR_BUFLEN\n"); */ - - memmove(this->buffer, this->stream.next_frame, num_bytes); - this->bytes_in_buffer = num_bytes; - } - - switch (this->stream.error) { - - case MAD_ERROR_BUFLEN: - return; - - default: - mad_stream_buffer (&this->stream, this->buffer, - this->bytes_in_buffer); - } - - } else { - int mode = (this->frame.header.mode == MAD_MODE_SINGLE_CHANNEL) ? AO_CAP_MODE_MONO : AO_CAP_MODE_STEREO; - - if (!this->output_open - || (this->output_sampling_rate != this->frame.header.samplerate) - || (this->output_mode != mode)) { - - lprintf ("audio sample rate %d mode %08x\n", this->frame.header.samplerate, mode); - - /* the mpeg audio demuxer can set audio bitrate */ - if (! _x_stream_info_get(this->xstream, XINE_STREAM_INFO_AUDIO_BITRATE)) { - _x_stream_info_set(this->xstream, XINE_STREAM_INFO_AUDIO_BITRATE, - this->frame.header.bitrate); - } - - /* the mpeg audio demuxer can set this meta info */ - if (! _x_meta_info_get(this->xstream, XINE_META_INFO_AUDIOCODEC)) { - switch (this->frame.header.layer) { - case MAD_LAYER_I: - _x_meta_info_set_utf8(this->xstream, XINE_META_INFO_AUDIOCODEC, - "MPEG audio layer 1 (lib: MAD)"); - break; - case MAD_LAYER_II: - _x_meta_info_set_utf8(this->xstream, XINE_META_INFO_AUDIOCODEC, - "MPEG audio layer 2 (lib: MAD)"); - break; - case MAD_LAYER_III: - _x_meta_info_set_utf8(this->xstream, XINE_META_INFO_AUDIOCODEC, - "MPEG audio layer 3 (lib: MAD)"); - break; - default: - _x_meta_info_set_utf8(this->xstream, XINE_META_INFO_AUDIOCODEC, - "MPEG audio (lib: MAD)"); - } - } - - if (this->output_open) { - this->xstream->audio_out->close (this->xstream->audio_out, this->xstream); - this->output_open = 0; - } - if (!this->output_open) { - this->output_open = (this->xstream->audio_out->open) (this->xstream->audio_out, - this->xstream, 16, - this->frame.header.samplerate, - mode) ; - } - if (!this->output_open) { - return; - } - this->output_sampling_rate = this->frame.header.samplerate; - this->output_mode = mode; - } - - mad_synth_frame (&this->synth, &this->frame); - - if ( (buf->decoder_flags & BUF_FLAG_PREVIEW) == 0 ) { - - unsigned int nchannels, nsamples; - mad_fixed_t const *left_ch, *right_ch; - struct mad_pcm *pcm = &this->synth.pcm; - audio_buffer_t *audio_buffer; - uint16_t *output; - - audio_buffer = this->xstream->audio_out->get_buffer (this->xstream->audio_out); - output = audio_buffer->mem; - - nchannels = pcm->channels; - nsamples = pcm->length; - left_ch = pcm->samples[0]; - right_ch = pcm->samples[1]; - - while (nsamples--) { - /* output sample(s) in 16-bit signed little-endian PCM */ - - *output++ = scale(*left_ch++); - - if (nchannels == 2) - *output++ = scale(*right_ch++); - - } - - audio_buffer->num_frames = pcm->length; - audio_buffer->vpts = buf->pts; - - this->xstream->audio_out->put_buffer (this->xstream->audio_out, audio_buffer, this->xstream); - - buf->pts = 0; - - } - - lprintf ("decode worked\n"); - } - } - - } -} - -static void mad_dispose (audio_decoder_t *this_gen) { - - mad_decoder_t *this = (mad_decoder_t *) this_gen; - - mad_synth_finish (&this->synth); - mad_frame_finish (&this->frame); - mad_stream_finish(&this->stream); - - if (this->output_open) { - this->xstream->audio_out->close (this->xstream->audio_out, this->xstream); - this->output_open = 0; - } - - free (this_gen); -} - -static audio_decoder_t *open_plugin (audio_decoder_class_t *class_gen, xine_stream_t *stream) { - - mad_decoder_t *this ; - - this = (mad_decoder_t *) xine_xmalloc (sizeof (mad_decoder_t)); - - this->audio_decoder.decode_data = mad_decode_data; - this->audio_decoder.reset = mad_reset; - this->audio_decoder.discontinuity = mad_discontinuity; - this->audio_decoder.dispose = mad_dispose; - - this->output_open = 0; - this->bytes_in_buffer = 0; - this->preview_mode = 0; - - this->xstream = stream; - - mad_synth_init (&this->synth); - mad_stream_init (&this->stream); - mad_frame_init (&this->frame); - - this->stream.options = MAD_OPTION_IGNORECRC; - - lprintf ("init\n"); - - return &this->audio_decoder; -} - -/* - * mad plugin class - */ -static void *init_plugin (xine_t *xine, void *data) { - - mad_class_t *this; - - this = (mad_class_t *) xine_xmalloc (sizeof (mad_class_t)); - - this->decoder_class.open_plugin = open_plugin; - this->decoder_class.identifier = "mad"; - this->decoder_class.description = N_("libmad based mpeg audio layer 1/2/3 decoder plugin"); - this->decoder_class.dispose = default_audio_decoder_class_dispose; - - return this; -} - -static uint32_t audio_types[] = { - BUF_AUDIO_MPEG, 0 -}; - -static const decoder_info_t dec_info_audio = { - audio_types, /* supported types */ - 7 /* priority */ -}; - -const plugin_info_t xine_plugin_info[] EXPORTED = { - /* type, API, "name", version, special_info, init_function */ - { PLUGIN_AUDIO_DECODER, 16, "mad", XINE_VERSION_CODE, &dec_info_audio, init_plugin }, - { PLUGIN_NONE, 0, "", 0, NULL, NULL } -}; diff --git a/src/libxineadec/xine_musepack_decoder.c b/src/libxineadec/xine_musepack_decoder.c deleted file mode 100644 index 268846a1a..000000000 --- a/src/libxineadec/xine_musepack_decoder.c +++ /dev/null @@ -1,462 +0,0 @@ -/* - * Copyright (C) 2005 the xine project - * - * This file is part of xine, a free video player. - * - * xine is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * xine is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - */ - -/** - * @file - * @brief xine interface to libmusepack/libmpcdec - * @author James Stembridge <jstembridge@gmail.com> - * - * @todo Add support for 32-bit float samples. - * @todo Add support for seeking. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/types.h> -#include <unistd.h> - -#define LOG_MODULE "mpc_decoder" -#define LOG_VERBOSE -/* -#define LOG -*/ - -#include <xine/xine_internal.h> -#include <xine/audio_out.h> -#include <xine/buffer.h> -#include <xine/xineutils.h> - -#include <mpcdec/mpcdec.h> - -#define MPC_DECODER_MEMSIZE 65536 -#define MPC_DECODER_MEMSIZE2 (MPC_DECODER_MEMSIZE/2) - -#define INIT_BUFSIZE (MPC_DECODER_MEMSIZE*2) - -typedef struct { - audio_decoder_class_t decoder_class; -} mpc_class_t; - -typedef struct mpc_decoder_s { - audio_decoder_t audio_decoder; - - xine_stream_t *stream; - - int sample_rate; /* audio sample rate */ - int bits_per_sample; /* bits/sample, usually 8 or 16 */ - int channels; /* 1 or 2, usually */ - - int output_open; /* flag to indicate audio is ready */ - - unsigned char *buf; /* data accumulation buffer */ - unsigned int buf_max; /* maximum size of buf */ - unsigned int read; /* size of accum. data already read */ - unsigned int size; /* size of accumulated data in buf */ - - mpc_reader reader; - mpc_streaminfo streaminfo; - mpc_decoder decoder; - - int decoder_ok; - unsigned int current_frame; - - int32_t file_size; - -} mpc_decoder_t; - - -/************************************************************************** - * musepack specific functions - *************************************************************************/ - -/* Reads size bytes of data into buffer at ptr. */ -static int32_t mpc_reader_read(void *const data, void *const ptr, int size) { - mpc_decoder_t *const this = (mpc_decoder_t *) data; - - lprintf("mpc_reader_read: size=%d\n", size); - - /* Don't try to read more data than we have */ - if (size > (this->size - this->read)) - size = this->size - this->read; - - /* Copy the data */ - xine_fast_memcpy(ptr, &this->buf[this->read], size); - - /* Update our position in the data buffer */ - this->read += size; - - return size; -} - -/* Seeks to byte position offset. */ -static mpc_bool_t mpc_reader_seek(void *const data, const int32_t offset) { - mpc_decoder_t *const this = (mpc_decoder_t *) data; - - lprintf("mpc_reader_seek: offset=%d\n", offset); - - /* seek is only called when reading the header so we can assume - * that the buffer starts at the start of the file */ - this->read = offset; - - return TRUE; -} - -/* Returns the current byte offset in the stream. */ -static int32_t mpc_reader_tell(void *const data) { - lprintf("mpc_reader_tell\n"); - - /* Tell isn't used so just return 0 */ - return 0; -} - -/* Returns the total length of the source stream, in bytes. */ -static int32_t mpc_reader_get_size(void *const data) { - mpc_decoder_t *const this = (mpc_decoder_t *) data; - - lprintf("mpc_reader_get_size\n"); - - return this->file_size; -} - -/* True if the stream is a seekable stream. */ -static mpc_bool_t mpc_reader_canseek(void *data) { - lprintf("mpc_reader_canseek\n"); - - return TRUE; -} - -/** - * @brief Convert a array of floating point samples into 16-bit signed integer samples - * @param f Floating point samples array (origin) - * @param s16 16-bit signed integer samples array (destination) - * @param samples Number of samples to convert - * - * @todo This same work is being done in many decoders to adapt the output of - * the decoder to what the audio output can actually use, this should be - * done by the audio_output loop, not by the decoders. - */ -static inline void float_to_int(const float *const _f, int16_t *const s16, const int samples) { - int i; - for (i = 0; i < samples; i++) { - const float f = _f[i] * 32767; - if (f > INT16_MAX) - s16[i] = INT16_MAX; - else if (f < INT16_MIN) - s16[i] = INT16_MIN; - else - s16[i] = f; - /* printf("samples[%d] = %f, %d\n", i, _f[i], s16[num_channels*i]); */ - } -} - -/* Decode a musepack frame */ -static int mpc_decode_frame (mpc_decoder_t *this) { - float buffer[MPC_DECODER_BUFFER_LENGTH]; - uint32_t frames; - - lprintf("mpd_decode_frame\n"); - - frames = mpc_decoder_decode(&this->decoder, buffer, 0, 0); - - if (frames > 0) { - audio_buffer_t *audio_buffer; - int16_t *int_samples; - - lprintf("got %d samples\n", frames); - - /* Get audio buffer */ - audio_buffer = this->stream->audio_out->get_buffer (this->stream->audio_out); - audio_buffer->vpts = 0; - audio_buffer->num_frames = frames; - - /* Convert samples */ - int_samples = (int16_t *) audio_buffer->mem; - float_to_int(buffer, int_samples, frames*this->channels); - - /* Output converted samples */ - this->stream->audio_out->put_buffer (this->stream->audio_out, audio_buffer, this->stream); - } - - return frames; -} - -/************************************************************************** - * xine audio plugin functions - *************************************************************************/ - -static void mpc_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { - mpc_decoder_t *this = (mpc_decoder_t *) this_gen; - int err; - - lprintf("mpc_decode_data\n"); - - if (!_x_stream_info_get(this->stream, XINE_STREAM_INFO_AUDIO_HANDLED)) - return; - - /* We don't handle special buffers */ - if (buf->decoder_flags & BUF_FLAG_SPECIAL) - return; - - /* Read header */ - if (buf->decoder_flags & BUF_FLAG_HEADER) { - - lprintf("header\n"); - - /* File size is in decoder_info[0] */ - this->file_size = buf->decoder_info[0]; - - /* Initialise the data accumulation buffer */ - this->buf = xine_xmalloc(INIT_BUFSIZE); - this->buf_max = INIT_BUFSIZE; - this->read = 0; - this->size = 0; - - /* Initialise the reader */ - this->reader.read = mpc_reader_read; - this->reader.seek = mpc_reader_seek; - this->reader.tell = mpc_reader_tell; - this->reader.get_size = mpc_reader_get_size; - this->reader.canseek = mpc_reader_canseek; - this->reader.data = this; - - /* Copy header to buffer */ - xine_fast_memcpy(this->buf, buf->content, buf->size); - this->size = buf->size; - - /* Initialise and read stream info */ - mpc_streaminfo_init(&this->streaminfo); - - if ((err = mpc_streaminfo_read(&this->streaminfo, &this->reader))) { - xprintf(this->stream->xine, XINE_VERBOSITY_LOG, - _("libmusepack: mpc_streaminfo_read failed: %d\n"), err); - - _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_HANDLED, 0); - return; - } - - this->sample_rate = this->streaminfo.sample_freq; - this->channels = this->streaminfo.channels; - this->bits_per_sample = 16; - - /* After the header the demuxer starts sending data from an offset - * of 28 bytes */ - this->size = 28; - - /* We need to keep track of the current frame so we now when we've - * reached the end of the stream */ - this->current_frame = 0; - - /* Setup the decoder */ - mpc_decoder_setup(&this->decoder, &this->reader); - this->decoder_ok = 0; - - /* Take this opportunity to initialize stream/meta information */ - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, - "Musepack (libmusepack)"); - _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_BITRATE, - (int) this->streaminfo.average_bitrate); - - return; - } - - lprintf("data: %u size=%u read=%u\n", buf->size, this->size, this->read); - - /* if the audio output is not open yet, open the audio output */ - if (!this->output_open) { - this->output_open = (this->stream->audio_out->open) ( - this->stream->audio_out, - this->stream, - this->bits_per_sample, - this->sample_rate, - _x_ao_channels2mode(this->channels)); - } - - /* if the audio still isn't open, do not go any further with the decode */ - if (!this->output_open) - return; - - /* If we run out of space in our internal buffer we discard what's - * already been read */ - if (((this->size + buf->size) > this->buf_max) && this->read) { - lprintf("discarding read data\n"); - this->size -= this->read; - memmove(this->buf, &this->buf[this->read], this->size); - this->read = 0; - } - - /* If there still isn't space we have to increase the size of the - * internal buffer */ - if ((this->size + buf->size) > this->buf_max) { - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, - "libmusepack: increasing internal buffer size\n"); - this->buf_max += 2*buf->size; - this->buf = realloc(this->buf, this->buf_max); - } - - /* Copy data */ - xine_fast_memcpy(&this->buf[this->size], buf->content, buf->size); - this->size += buf->size; - - /* Time to decode */ - if (buf->decoder_flags & BUF_FLAG_FRAME_END) { - /* Increment frame count */ - if (this->current_frame++ == this->streaminfo.frames) { - xprintf(this->stream->xine, XINE_VERBOSITY_LOG, - _("libmusepack: data after last frame ignored\n")); - return; - } - - if (!this->decoder_ok) { - /* We require MPC_DECODER_MEMSIZE bytes to initialise the decoder */ - if ((this->size - this->read) >= MPC_DECODER_MEMSIZE) { - lprintf("initialise"); - - if (!mpc_decoder_initialize(&this->decoder, &this->streaminfo)) { - xprintf(this->stream->xine, XINE_VERBOSITY_LOG, - _("libmusepack: mpc_decoder_initialise failed\n")); - - _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_HANDLED, 0); - return; - } - - this->decoder_ok = 1; - } else { - /* Not enough data yet */ - return; - } - } - - /* mpc_decoder_decode may cause a read of MPC_DECODER_MEMSIZE/2 bytes so - * make sure we have enough data available */ - if ((this->size - this->read) >= MPC_DECODER_MEMSIZE2) { - lprintf("decoding\n"); - - if ((err = mpc_decode_frame(this)) < 0) { - xprintf(this->stream->xine, XINE_VERBOSITY_LOG, - _("libmusepack: mpc_decoder_decode failed: %d\n"), err); - - _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_HANDLED, 0); - return; - } - } - - /* If we are at the end of the stream we decode the remaining frames as we - * know we'll have enough data */ - if (this->current_frame == this->streaminfo.frames) { - lprintf("flushing buffers\n"); - - do { - if ((err = mpc_decode_frame(this)) < 0) { - xprintf(this->stream->xine, XINE_VERBOSITY_LOG, - _("libmusepack: mpc_decoder_decode failed: %d\n"), err); - } - } while (err > 0); - - lprintf("buffers flushed\n"); - } - } -} - -static void mpc_reset (audio_decoder_t *this_gen) { - mpc_decoder_t *this = (mpc_decoder_t *) this_gen; - - this->size = 0; - this->read = 0; -} - -static void mpc_discontinuity (audio_decoder_t *this_gen) { - /* mpc_decoder_t *this = (mpc_decoder_t *) this_gen; */ -} - -static void mpc_dispose (audio_decoder_t *this_gen) { - - mpc_decoder_t *this = (mpc_decoder_t *) this_gen; - - /* close the audio output */ - if (this->output_open) - this->stream->audio_out->close (this->stream->audio_out, this->stream); - - /* free anything that was allocated during operation */ - free(this->buf); - - free(this); -} - -static audio_decoder_t *open_plugin (audio_decoder_class_t *class_gen, xine_stream_t *stream) { - - mpc_decoder_t *this ; - - this = (mpc_decoder_t *) xine_xmalloc (sizeof (mpc_decoder_t)); - - /* connect the member functions */ - this->audio_decoder.decode_data = mpc_decode_data; - this->audio_decoder.reset = mpc_reset; - this->audio_decoder.discontinuity = mpc_discontinuity; - this->audio_decoder.dispose = mpc_dispose; - - /* connect the stream */ - this->stream = stream; - - /* audio output is not open at the start */ - this->output_open = 0; - - /* no buffer yet */ - this->buf = NULL; - - /* initialize the basic audio parameters */ - this->channels = 0; - this->sample_rate = 0; - this->bits_per_sample = 0; - - /* return the newly-initialized audio decoder */ - return &this->audio_decoder; -} - -static void *init_plugin (xine_t *xine, void *data) { - - mpc_class_t *this ; - - this = (mpc_class_t *) xine_xmalloc (sizeof (mpc_class_t)); - - this->decoder_class.open_plugin = open_plugin; - this->decoder_class.identifier = "mpc"; - this->decoder_class.description = N_("mpc: musepack audio decoder plugin"); - this->decoder_class.dispose = default_audio_decoder_class_dispose; - - return this; -} - -static uint32_t audio_types[] = { - BUF_AUDIO_MPC, - 0 -}; - -static const decoder_info_t dec_info_audio = { - audio_types, /* supported types */ - 5 /* priority */ -}; - -const plugin_info_t xine_plugin_info[] EXPORTED = { - /* { type, API version, "name", version, special_info, init_function }, */ - { PLUGIN_AUDIO_DECODER, 16, "mpc", XINE_VERSION_CODE, &dec_info_audio, &init_plugin }, - { PLUGIN_NONE, 0, "", 0, NULL, NULL } -}; - |