diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/demuxers/Makefile.am | 2 | ||||
-rw-r--r-- | src/demuxers/demux_vox.c | 295 | ||||
-rw-r--r-- | src/demuxers/group_audio.c | 4 |
3 files changed, 299 insertions, 2 deletions
diff --git a/src/demuxers/Makefile.am b/src/demuxers/Makefile.am index 35d8b763c..7a7a34df8 100644 --- a/src/demuxers/Makefile.am +++ b/src/demuxers/Makefile.am @@ -109,7 +109,7 @@ xineplug_dmx_games_la_LDFLAGS = -avoid-version -module @XINE_PLUGIN_MIN_SYMS@ xineplug_dmx_audio_la_SOURCES = group_audio.c demux_aud.c demux_aiff.c \ demux_cdda.c demux_mpgaudio.c demux_realaudio.c \ - demux_snd.c demux_voc.c demux_wav.c + demux_snd.c demux_voc.c demux_vox.c demux_wav.c xineplug_dmx_audio_la_LIBADD = $(XINELIB) xineplug_dmx_audio_la_LDFLAGS = -avoid-version -module @XINE_PLUGIN_MIN_SYMS@ diff --git a/src/demuxers/demux_vox.c b/src/demuxers/demux_vox.c new file mode 100644 index 000000000..91659516b --- /dev/null +++ b/src/demuxers/demux_vox.c @@ -0,0 +1,295 @@ +/* + * Copyright (C) 2001-2003 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 + * + * VOX Demuxer by Mike Melanson (melanson@pcisys.net) + * This a demuxer for .vox files containing raw Dialogic ADPCM data. + * + * $Id: demux_vox.c,v 1.1 2003/01/07 06:29:16 tmmm Exp $ + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <fcntl.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <ctype.h> + +#include "xine_internal.h" +#include "xineutils.h" +#include "demux.h" +#include "buffer.h" +#include "bswap.h" + +#define DIALOGIC_SAMPLERATE 8000 + +typedef struct { + + demux_plugin_t demux_plugin; + + xine_stream_t *stream; + + config_values_t *config; + + fifo_buffer_t *video_fifo; + fifo_buffer_t *audio_fifo; + + input_plugin_t *input; + + int status; + + char last_mrl[1024]; +} demux_vox_t; + +typedef struct { + + demux_class_t demux_class; + + /* class-wide, global variables here */ + + xine_t *xine; + config_values_t *config; +} demux_vox_class_t; + +static int demux_vox_send_chunk (demux_plugin_t *this_gen) { + + demux_vox_t *this = (demux_vox_t *) this_gen; + buf_element_t *buf = NULL; + off_t current_file_pos; + int64_t audio_pts; + int bytes_read; + + current_file_pos = this->input->get_current_pos(this->input); + audio_pts = current_file_pos; + /* each byte is 2 samples */ + audio_pts *= 2 * 90000; + audio_pts /= DIALOGIC_SAMPLERATE; + + /* read a buffer-sized block from the stream; if there is less than a + * buffer of data, send whatever there is; if there are no bytes returned, + * demux is finished */ + buf = this->audio_fifo->buffer_pool_alloc (this->audio_fifo); + buf->type = BUF_AUDIO_DIALOGIC_IMA; + bytes_read = this->input->read(this->input, buf->content, buf->max_size); + if (bytes_read == 0) { + buf->free_buffer(buf); + this->status = DEMUX_FINISHED; + return this->status; + } else if (bytes_read < buf->max_size) + buf->size = bytes_read; + else + buf->size = buf->max_size; + + buf->extra_info->input_pos = current_file_pos; + buf->extra_info->input_length = this->input->get_length(this->input); + buf->extra_info->input_time = audio_pts / 90000; + buf->pts = audio_pts; + buf->decoder_flags |= BUF_FLAG_FRAME_END; + + this->audio_fifo->put (this->audio_fifo, buf); + + return this->status; +} + +static void demux_vox_send_headers(demux_plugin_t *this_gen) { + + demux_vox_t *this = (demux_vox_t *) this_gen; + buf_element_t *buf; + + this->video_fifo = this->stream->video_fifo; + this->audio_fifo = this->stream->audio_fifo; + + this->status = DEMUX_OK; + + /* load stream information */ + this->stream->stream_info[XINE_STREAM_INFO_HAS_VIDEO] = 0; + this->stream->stream_info[XINE_STREAM_INFO_HAS_AUDIO] = 1; + this->stream->stream_info[XINE_STREAM_INFO_AUDIO_CHANNELS] = 1; + this->stream->stream_info[XINE_STREAM_INFO_AUDIO_SAMPLERATE] = DIALOGIC_SAMPLERATE; + this->stream->stream_info[XINE_STREAM_INFO_AUDIO_BITS] = 16; + + /* send start buffers */ + xine_demux_control_start(this->stream); + + /* send init info to decoders */ + if (this->audio_fifo) { + buf = this->audio_fifo->buffer_pool_alloc (this->audio_fifo); + buf->type = BUF_AUDIO_DIALOGIC_IMA; + buf->decoder_flags = BUF_FLAG_HEADER; + buf->decoder_info[0] = 0; + buf->decoder_info[1] = DIALOGIC_SAMPLERATE; + buf->decoder_info[2] = 16; + buf->decoder_info[3] = 1; + buf->size = 0; + this->audio_fifo->put (this->audio_fifo, buf); + } +} + +static int demux_vox_seek (demux_plugin_t *this_gen, + off_t start_pos, int start_time) { + + demux_vox_t *this = (demux_vox_t *) this_gen; + + /* if thread is not running, initialize demuxer */ + if( !this->stream->demux_thread_running ) { + + /* send new pts */ + xine_demux_control_newpts(this->stream, 0, 0); + + this->status = DEMUX_OK; + + /* start at the beginning of the file */ + this->input->seek(this->input, 0, SEEK_SET); + } + + return this->status; +} + +static void demux_vox_dispose (demux_plugin_t *this_gen) { + demux_vox_t *this = (demux_vox_t *) this_gen; + + free(this); +} + +static int demux_vox_get_status (demux_plugin_t *this_gen) { + demux_vox_t *this = (demux_vox_t *) this_gen; + + return this->status; +} + +/* return the approximate length in seconds */ +static int demux_vox_get_stream_length (demux_plugin_t *this_gen) { + + demux_vox_t *this = (demux_vox_t *) this_gen; + + return this->input->get_length(this->input) * 2 / DIALOGIC_SAMPLERATE; +} + +static uint32_t demux_vox_get_capabilities(demux_plugin_t *this_gen) { + return DEMUX_CAP_NOCAP; +} + +static int demux_vox_get_optional_data(demux_plugin_t *this_gen, + void *data, int data_type) { + return DEMUX_OPTIONAL_UNSUPPORTED; +} + +static demux_plugin_t *open_plugin (demux_class_t *class_gen, xine_stream_t *stream, + input_plugin_t *input_gen) { + + input_plugin_t *input = (input_plugin_t *) input_gen; + demux_vox_t *this; + + this = xine_xmalloc (sizeof (demux_vox_t)); + this->stream = stream; + this->input = input; + + this->demux_plugin.send_headers = demux_vox_send_headers; + this->demux_plugin.send_chunk = demux_vox_send_chunk; + this->demux_plugin.seek = demux_vox_seek; + this->demux_plugin.dispose = demux_vox_dispose; + this->demux_plugin.get_status = demux_vox_get_status; + this->demux_plugin.get_stream_length = demux_vox_get_stream_length; + this->demux_plugin.get_video_frame = NULL; + this->demux_plugin.got_video_frame_cb= NULL; + this->demux_plugin.get_capabilities = demux_vox_get_capabilities; + this->demux_plugin.get_optional_data = demux_vox_get_optional_data; + this->demux_plugin.demux_class = class_gen; + + this->status = DEMUX_FINISHED; + + switch (stream->content_detection_method) { + + case METHOD_BY_CONTENT: + case METHOD_EXPLICIT: + case METHOD_BY_EXTENSION: { + char *ending, *mrl; + + mrl = input->get_mrl (input); + + ending = strrchr(mrl, '.'); + + if (!ending) { + free (this); + return NULL; + } + + if (strncasecmp (ending, ".vox", 4)) { + free (this); + return NULL; + } + + } + break; + + default: + free (this); + return NULL; + } + + strncpy (this->last_mrl, input->get_mrl (input), 1024); + + return &this->demux_plugin; +} + +static char *get_description (demux_class_t *this_gen) { + return "Dialogic VOX file demux plugin"; +} + +static char *get_identifier (demux_class_t *this_gen) { + return "VOX"; +} + +static char *get_extensions (demux_class_t *this_gen) { + return "vox"; +} + +static char *get_mimetypes (demux_class_t *this_gen) { + return NULL; +} + +static void class_dispose (demux_class_t *this_gen) { + + demux_vox_class_t *this = (demux_vox_class_t *) this_gen; + + free (this); +} + +void *demux_vox_init_plugin (xine_t *xine, void *data) { + + demux_vox_class_t *this; + + this = xine_xmalloc (sizeof (demux_vox_class_t)); + this->config = xine->config; + this->xine = xine; + + this->demux_class.open_plugin = open_plugin; + this->demux_class.get_description = get_description; + this->demux_class.get_identifier = get_identifier; + this->demux_class.get_mimetypes = get_mimetypes; + this->demux_class.get_extensions = get_extensions; + this->demux_class.dispose = class_dispose; + + return this; +} + diff --git a/src/demuxers/group_audio.c b/src/demuxers/group_audio.c index 8e93e2a9e..4622e9a03 100644 --- a/src/demuxers/group_audio.c +++ b/src/demuxers/group_audio.c @@ -19,7 +19,7 @@ * * This file contains plugin entries for several demuxers used in games * - * $Id: group_audio.c,v 1.2 2003/01/05 14:30:14 miguelfreitas Exp $ + * $Id: group_audio.c,v 1.3 2003/01/07 06:29:16 tmmm Exp $ */ #ifdef HAVE_CONFIG_H @@ -37,6 +37,7 @@ void *demux_mpgaudio_init_class (xine_t *xine, void *data); void *demux_realaudio_init_plugin (xine_t *xine, void *data); void *demux_snd_init_plugin (xine_t *xine, void *data); void *demux_voc_init_plugin (xine_t *xine, void *data); +void *demux_vox_init_plugin (xine_t *xine, void *data); void *demux_wav_init_plugin (xine_t *xine, void *data); /* @@ -52,6 +53,7 @@ plugin_info_t xine_plugin_info[] = { { PLUGIN_DEMUX, 20, "realaudio", XINE_VERSION_CODE, NULL, demux_realaudio_init_plugin }, { PLUGIN_DEMUX, 20, "snd", XINE_VERSION_CODE, NULL, demux_snd_init_plugin }, { PLUGIN_DEMUX, 20, "voc", XINE_VERSION_CODE, NULL, demux_voc_init_plugin }, + { PLUGIN_DEMUX, 20, "vox", XINE_VERSION_CODE, NULL, demux_vox_init_plugin }, { PLUGIN_DEMUX, 20, "wav", XINE_VERSION_CODE, NULL, demux_wav_init_plugin }, { PLUGIN_NONE, 0, "", 0, NULL, NULL } }; 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