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author | Diego 'Flameeyes' Pettenò <flameeyes@gmail.com> | 2007-04-04 22:32:38 +0200 |
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committer | Diego 'Flameeyes' Pettenò <flameeyes@gmail.com> | 2007-04-04 22:32:38 +0200 |
commit | 97a947ebad397381309c1c41badecc31999defb6 (patch) | |
tree | 059815e312703fbc85e906e4a3e28ecd3399e1eb /src/libreal/audio_decoder.c | |
parent | 63707aa6026241c7040b8cee59032aed10559e15 (diff) | |
download | xine-lib-97a947ebad397381309c1c41badecc31999defb6.tar.gz xine-lib-97a947ebad397381309c1c41badecc31999defb6.tar.bz2 |
Rename audio_decoder.c and xine_decoder.c
--HG--
rename : src/libreal/audio_decoder.c => src/libreal/xine_real_audio_decoder.c
rename : src/libreal/xine_decoder.c => src/libreal/xine_real_video_decoder.c
Diffstat (limited to 'src/libreal/audio_decoder.c')
-rw-r--r-- | src/libreal/audio_decoder.c | 628 |
1 files changed, 0 insertions, 628 deletions
diff --git a/src/libreal/audio_decoder.c b/src/libreal/audio_decoder.c deleted file mode 100644 index d1bb94230..000000000 --- a/src/libreal/audio_decoder.c +++ /dev/null @@ -1,628 +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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - * - * $Id: audio_decoder.c,v 1.59 2007/03/17 15:45:41 dgp85 Exp $ - * - * thin layer to use real binary-only codecs in xine - * - * code inspired by work from Florian Schneider for the MPlayer Project - */ - - -#include <stdlib.h> -#include <string.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> -#include <dlfcn.h> - -#define LOG_MODULE "real_audio_decoder" -#define LOG_VERBOSE -/* -#define LOG -*/ - -#include "bswap.h" -#include "xine_internal.h" -#include "video_out.h" -#include "buffer.h" -#include "xineutils.h" - -#include "real_common.h" - -typedef struct { - audio_decoder_class_t decoder_class; - - /* empty so far */ -} real_class_t; - -typedef struct realdec_decoder_s { - audio_decoder_t audio_decoder; - - real_class_t *cls; - - xine_stream_t *stream; - - void *ra_handle; - - unsigned long (*raCloseCodec)(void*); - unsigned long (*raDecode)(void*, char*,unsigned long,char*,unsigned int*,long); - unsigned long (*raFlush)(unsigned long,unsigned long,unsigned long); - unsigned long (*raFreeDecoder)(void*); - void* (*raGetFlavorProperty)(void*,unsigned long,unsigned long,int*); - unsigned long (*raInitDecoder)(void*, void*); - unsigned long (*raOpenCodec2)(void*); - unsigned long (*raSetFlavor)(void*,unsigned long); - void (*raSetDLLAccessPath)(char*); - void (*raSetPwd)(char*,char*); - - void *context; - - int sps, w, h; - int block_align; - - uint8_t *frame_buffer; - uint8_t *frame_reordered; - int frame_size; - int frame_num_bytes; - - int sample_size; - - uint64_t pts; - - int output_open; - - int decoder_ok; - -} realdec_decoder_t; - -typedef struct { - int samplerate; - short bits; - short channels; - int unk1; - int subpacket_size; - int coded_frame_size; - int codec_data_length; - void *extras; -} ra_init_t; - -static int load_syms_linux (realdec_decoder_t *this, const char *const codec_name, const char *const codec_alternate) { - cfg_entry_t* entry = - this->stream->xine->config->lookup_entry(this->stream->xine->config, - "decoder.external.real_codecs_path"); - - if ( (this->ra_handle = _x_real_codec_open(this->stream, entry->str_value, codec_name, codec_alternate)) == NULL ) - return 0; - - this->raCloseCodec = dlsym (this->ra_handle, "RACloseCodec"); - this->raDecode = dlsym (this->ra_handle, "RADecode"); - this->raFlush = dlsym (this->ra_handle, "RAFlush"); - this->raFreeDecoder = dlsym (this->ra_handle, "RAFreeDecoder"); - this->raGetFlavorProperty = dlsym (this->ra_handle, "RAGetFlavorProperty"); - this->raOpenCodec2 = dlsym (this->ra_handle, "RAOpenCodec2"); - this->raInitDecoder = dlsym (this->ra_handle, "RAInitDecoder"); - this->raSetFlavor = dlsym (this->ra_handle, "RASetFlavor"); - this->raSetDLLAccessPath = dlsym (this->ra_handle, "SetDLLAccessPath"); - this->raSetPwd = dlsym (this->ra_handle, "RASetPwd"); /* optional, used by SIPR */ - - if (!this->raCloseCodec || !this->raDecode || !this->raFlush || !this->raFreeDecoder || - !this->raGetFlavorProperty || !this->raOpenCodec2 || !this->raSetFlavor || - /*!raSetDLLAccessPath ||*/ !this->raInitDecoder){ - xprintf (this->stream->xine, XINE_VERBOSITY_LOG, - _("libareal: (audio) Cannot resolve symbols - incompatible dll: %s\n"), codec_name); - return 0; - } - - if (this->raSetDLLAccessPath){ - - char path[1024]; - - snprintf(path, sizeof(path) - 2, "DT_Codecs=%s", entry->str_value); - if (path[strlen(path)-1]!='/'){ - path[strlen(path)+1]=0; - path[strlen(path)]='/'; - } - path[strlen(path)+1]=0; - - this->raSetDLLAccessPath(path); - } - - lprintf ("audio decoder loaded successfully\n"); - - return 1; -} - -static int init_codec (realdec_decoder_t *this, buf_element_t *buf) { - - int version, result ; - int samples_per_sec, bits_per_sample, num_channels; - int subpacket_size, coded_frame_size, codec_data_length; - int coded_frame_size2, data_len, flavor; - int mode; - void *extras; - - /* - * extract header data - */ - - version = BE_16 (buf->content+4); - - lprintf ("header buffer detected, header version %d\n", version); -#ifdef LOG - xine_hexdump (buf->content, buf->size); -#endif - - flavor = BE_16 (buf->content+22); - coded_frame_size = BE_32 (buf->content+24); - codec_data_length= BE_16 (buf->content+40); - coded_frame_size2= BE_16 (buf->content+42); - subpacket_size = BE_16 (buf->content+44); - - this->sps = subpacket_size; - this->w = coded_frame_size2; - this->h = codec_data_length; - - if (version == 4) { - samples_per_sec = BE_16 (buf->content+48); - bits_per_sample = BE_16 (buf->content+52); - num_channels = BE_16 (buf->content+54); - - /* FIXME: */ - if (buf->type==BUF_AUDIO_COOK) { - - xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, - "libareal: audio header version 4 for COOK audio not supported.\n"); - return 0; - } - data_len = 0; /* FIXME: COOK audio needs this */ - extras = buf->content+71; - - } else { - samples_per_sec = BE_16 (buf->content+54); - bits_per_sample = BE_16 (buf->content+58); - num_channels = BE_16 (buf->content+60); - data_len = BE_32 (buf->content+74); - extras = buf->content+78; - } - - this->block_align= coded_frame_size2; - - lprintf ("0x%04x 0x%04x 0x%04x 0x%04x data_len 0x%04x\n", - subpacket_size, coded_frame_size, codec_data_length, - coded_frame_size2, data_len); - lprintf ("%d samples/sec, %d bits/sample, %d channels\n", - samples_per_sec, bits_per_sample, num_channels); - - /* load codec, resolv symbols */ - - switch (buf->type) { - case BUF_AUDIO_COOK: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "Cook"); - if (!load_syms_linux (this, "cook.so", "cook.so.6.0")) - return 0; - break; - - case BUF_AUDIO_ATRK: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "Atrac"); - if (!load_syms_linux (this, "atrc.so", "atrc.so.6.0")) - return 0; - this->block_align = 384; - break; - - case BUF_AUDIO_14_4: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "Real 14.4"); - if (!load_syms_linux (this, "14_4.so", "14_4.so.6.0")) - return 0; - break; - - case BUF_AUDIO_28_8: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "Real 28.8"); - if (!load_syms_linux (this, "28_8.so", "28_8.so.6.0")) - return 0; - break; - - case BUF_AUDIO_SIPRO: - _x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "Sipro"); - if (!load_syms_linux (this, "sipr.so", "sipr.so.6.0")) - return 0; - /* this->block_align = 19; */ - break; - - default: - xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, - "libareal: error, i don't handle buf type 0x%08x\n", buf->type); - return 0; - } - - /* - * init codec - */ - - result = this->raOpenCodec2 (&this->context); - if (result) { - xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "libareal: error in raOpenCodec2: %d\n", result); - return 0; - } - - { - ra_init_t init_data; - - init_data.samplerate = samples_per_sec; - init_data.bits = bits_per_sample; - init_data.channels = num_channels; - init_data.unk1 = 100; /* ??? */ - init_data.subpacket_size = subpacket_size; /* subpacket size */ - init_data.coded_frame_size = coded_frame_size; /* coded frame size */ - init_data.codec_data_length = data_len; /* codec data length */ - init_data.extras = extras; /* extras */ - -#ifdef LOG - printf ("libareal: init_data:\n"); - xine_hexdump ((char *) &init_data, sizeof (ra_init_t)); - printf ("libareal: extras :\n"); - xine_hexdump (init_data.extras, data_len); -#endif - - result = this->raInitDecoder (this->context, &init_data); - if(result){ - xprintf (this->stream->xine, XINE_VERBOSITY_LOG, - _("libareal: decoder init failed, error code: 0x%x\n"), result); - return 0; - } - } - - if (this->raSetPwd){ - /* used by 'SIPR' */ - this->raSetPwd (this->context, "Ardubancel Quazanga"); /* set password... lol. */ - lprintf ("password set\n"); - } - - result = this->raSetFlavor (this->context, flavor); - if (result){ - xprintf (this->stream->xine, XINE_VERBOSITY_LOG, - _("libareal: decoder flavor setup failed, error code: 0x%x\n"), result); - return 0; - } - - /* - * alloc buffers for data reordering - */ - - if (this->sps) { - - this->frame_size = this->w/this->sps*this->h*this->sps; - this->frame_buffer = xine_xmalloc (this->frame_size); - this->frame_reordered = xine_xmalloc (this->frame_size); - this->frame_num_bytes = 0; - - } else { - - this->frame_size = this->w*this->h; - this->frame_buffer = xine_xmalloc (this->frame_size); - this->frame_reordered = this->frame_buffer; - this->frame_num_bytes = 0; - - } - - /* - * open audio output - */ - - switch (num_channels) { - case 1: - mode = AO_CAP_MODE_MONO; - break; - case 2: - mode = AO_CAP_MODE_STEREO; - break; - default: - xprintf (this->stream->xine, XINE_VERBOSITY_LOG, - _("libareal: oups, real can do more than 2 channels ?\n")); - return 0; - } - - this->stream->audio_out->open(this->stream->audio_out, - this->stream, - bits_per_sample, - samples_per_sec, - mode) ; - - this->output_open = 1; - - this->sample_size = num_channels * (bits_per_sample>>3); - - return 1; -} - -static unsigned char sipr_swaps[38][2]={ - {0,63},{1,22},{2,44},{3,90},{5,81},{7,31},{8,86},{9,58},{10,36},{12,68}, - {13,39},{14,73},{15,53},{16,69},{17,57},{19,88},{20,34},{21,71},{24,46}, - {25,94},{26,54},{28,75},{29,50},{32,70},{33,92},{35,74},{38,85},{40,56}, - {42,87},{43,65},{45,59},{48,79},{49,93},{51,89},{55,95},{61,76},{67,83}, - {77,80} }; - -static void realdec_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) { - realdec_decoder_t *this = (realdec_decoder_t *) this_gen; - - lprintf ("decode_data %d bytes, flags=0x%08x, pts=%"PRId64" ...\n", - buf->size, buf->decoder_flags, buf->pts); - - if (buf->decoder_flags & BUF_FLAG_PREVIEW) { - - /* real_find_sequence_header (&this->real, buf->content, buf->content + buf->size);*/ - - } else if (buf->decoder_flags & BUF_FLAG_HEADER) { - - this->decoder_ok = init_codec (this, buf) ; - if( !this->decoder_ok ) - _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_HANDLED, 0); - - } else if( this->decoder_ok ) { - - int size; - - lprintf ("content buffer detected, %d bytes\n", buf->size); - - if (buf->pts && !this->pts) - this->pts = buf->pts; - - size = buf->size; - - while (size) { - - int needed; - - needed = this->frame_size - this->frame_num_bytes; - - if (needed>size) { - - memcpy (this->frame_buffer+this->frame_num_bytes, buf->content, size); - this->frame_num_bytes += size; - - lprintf ("buffering %d/%d bytes\n", this->frame_num_bytes, this->frame_size); - - size = 0; - - } else { - - int result; - int len =-1; - int n; - int sps = this->sps; - int w = this->w; - int h = this->h; - audio_buffer_t *audio_buffer; - - lprintf ("buffering %d bytes\n", needed); - - memcpy (this->frame_buffer+this->frame_num_bytes, buf->content, needed); - - size -= needed; - this->frame_num_bytes = 0; - - lprintf ("frame completed. reordering...\n"); - lprintf ("bs=%d sps=%d w=%d h=%d \n",/*sh->wf->nBlockAlign*/-1,sps,w,h); - - if (!sps) { - - int j,n; - int bs=h*w*2/96; /* nibbles per subpacket */ - unsigned char *p=this->frame_buffer; - - /* 'sipr' way */ - /* demux_read_data(sh->ds, p, h*w); */ - for (n=0;n<38;n++){ - int i=bs*sipr_swaps[n][0]; - int o=bs*sipr_swaps[n][1]; - /* swap nibbles of block 'i' with 'o' TODO: optimize */ - for (j=0;j<bs;j++) { - int x=(i&1) ? (p[(i>>1)]>>4) : (p[(i>>1)]&15); - int y=(o&1) ? (p[(o>>1)]>>4) : (p[(o>>1)]&15); - if (o&1) - p[(o>>1)]=(p[(o>>1)]&0x0F)|(x<<4); - else - p[(o>>1)]=(p[(o>>1)]&0xF0)|x; - - if (i&1) - p[(i>>1)]=(p[(i>>1)]&0x0F)|(y<<4); - else - p[(i>>1)]=(p[(i>>1)]&0xF0)|y; - - ++i; - ++o; - } - } - /* - sh->a_in_buffer_size= - sh->a_in_buffer_len=w*h; - */ - - } else { - int x, y; - uint8_t *s; - - /* 'cook' way */ - - w /= sps; s = this->frame_buffer; - - for (y=0; y<h; y++) - - for (x=0; x<w; x++) { - - lprintf ("x=%d, y=%d, off %d\n", - x, y, sps*(h*x+((h+1)/2)*(y&1)+(y>>1))); - - memcpy (this->frame_reordered+sps*(h*x+((h+1)/2)*(y&1)+(y>>1)), - s, sps); - s+=sps; - - /* demux_read_data(sh->ds, sh->a_in_buffer+sps*(h*x+((h+1)/2)*(y&1)+(y>>1)), - sps); */ - - } - /* - sh->a_in_buffer_size= - sh->a_in_buffer_len=w*h*sps; - */ - } - -#ifdef LOG - xine_hexdump (this->frame_reordered, buf->size); -#endif - - n = 0; - while (n<this->frame_size) { - - audio_buffer = this->stream->audio_out->get_buffer (this->stream->audio_out); - - result = this->raDecode (this->context, - this->frame_reordered+n, - this->block_align, - (char *) audio_buffer->mem, &len, -1); - - lprintf ("raDecode result %d, len=%d\n", result, len); - - audio_buffer->vpts = this->pts; - - this->pts = 0; - - audio_buffer->num_frames = len/this->sample_size;; - - this->stream->audio_out->put_buffer (this->stream->audio_out, - audio_buffer, this->stream); - n+=this->block_align; - } - } - } - } - - lprintf ("decode_data...done\n"); -} - -static void realdec_reset (audio_decoder_t *this_gen) { - realdec_decoder_t *this = (realdec_decoder_t *) this_gen; - - this->frame_num_bytes = 0; -} - -static void realdec_discontinuity (audio_decoder_t *this_gen) { - realdec_decoder_t *this = (realdec_decoder_t *) this_gen; - - this->pts = 0; -} - -static void realdec_dispose (audio_decoder_t *this_gen) { - - realdec_decoder_t *this = (realdec_decoder_t *) this_gen; - - lprintf ("dispose\n"); - - if (this->context) - this->raCloseCodec (this->context); - -#if 0 - printf ("libareal: FreeDecoder...\n"); - - if (this->context) - this->raFreeDecoder (this->context); -#endif - - lprintf ("dlclose...\n"); - - if (this->ra_handle) - dlclose (this->ra_handle); - - if (this->output_open) - this->stream->audio_out->close (this->stream->audio_out, this->stream); - - if (this->frame_buffer) - free (this->frame_buffer); - - free (this); - - lprintf ("dispose done\n"); -} - -static audio_decoder_t *open_plugin (audio_decoder_class_t *class_gen, - xine_stream_t *stream) { - - real_class_t *cls = (real_class_t *) class_gen; - realdec_decoder_t *this ; - - this = (realdec_decoder_t *) xine_xmalloc (sizeof (realdec_decoder_t)); - - this->audio_decoder.decode_data = realdec_decode_data; - this->audio_decoder.reset = realdec_reset; - this->audio_decoder.discontinuity = realdec_discontinuity; - this->audio_decoder.dispose = realdec_dispose; - this->stream = stream; - this->cls = cls; - - this->output_open = 0; - - return &this->audio_decoder; -} - -/* - * real plugin class - */ - -static char *get_identifier (audio_decoder_class_t *this) { - return "realadec"; -} - -static char *get_description (audio_decoder_class_t *this) { - return "real binary-only codec based audio decoder plugin"; -} - -static void dispose_class (audio_decoder_class_t *this) { - free (this); -} - -void *init_realadec (xine_t *xine, void *data) { - - real_class_t *this; - config_values_t *config = xine->config; - - this = (real_class_t *) xine_xmalloc (sizeof (real_class_t)); - - this->decoder_class.open_plugin = open_plugin; - this->decoder_class.get_identifier = get_identifier; - this->decoder_class.get_description = get_description; - this->decoder_class.dispose = dispose_class; - - _x_real_codecs_init(xine); - - return this; -} - -/* - * exported plugin catalog entry - */ - -static uint32_t audio_types[] = { - BUF_AUDIO_COOK, BUF_AUDIO_ATRK, /* BUF_AUDIO_14_4, BUF_AUDIO_28_8, */ BUF_AUDIO_SIPRO, 0 - }; - -const decoder_info_t dec_info_realaudio = { - audio_types, /* supported types */ - 7 /* priority */ -}; |