summaryrefslogtreecommitdiff
path: root/src/demuxers/demux_ogg.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/demuxers/demux_ogg.c')
-rw-r--r--src/demuxers/demux_ogg.c2299
1 files changed, 0 insertions, 2299 deletions
diff --git a/src/demuxers/demux_ogg.c b/src/demuxers/demux_ogg.c
deleted file mode 100644
index e0abd0cd6..000000000
--- a/src/demuxers/demux_ogg.c
+++ /dev/null
@@ -1,2299 +0,0 @@
-/*
- * Copyright (C) 2000-2004 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
- */
-
-/*
- * demultiplexer for ogg streams
- */
-/* 2003.02.09 (dilb) update of the handling for audio/video infos for strongarm cpus. */
-
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <stdio.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <inttypes.h>
-
-#include <ogg/ogg.h>
-#include <vorbis/codec.h>
-
-#ifdef HAVE_SPEEX
-#include <speex/speex.h>
-#include <speex/speex_header.h>
-#include <speex/speex_stereo.h>
-#include <speex/speex_callbacks.h>
-#endif
-
-#ifdef HAVE_THEORA
-#include <theora/theora.h>
-#endif
-
-#define LOG_MODULE "demux_ogg"
-#define LOG_VERBOSE
-
-/*
-#define LOG
-*/
-
-#define DEBUG_PACKETS 0
-#define DEBUG_PREVIEWS 0
-#define DEBUG_PTS 0
-#define DEBUG_VIDEO_PACKETS 0
-
-#include "xine_internal.h"
-#include "xineutils.h"
-#include "demux.h"
-#include "bswap.h"
-#include "flacutils.h"
-
-#define CHUNKSIZE 8500
-#define PACKET_TYPE_HEADER 0x01
-#define PACKET_TYPE_COMMENT 0x03
-#define PACKET_TYPE_CODEBOOK 0x05
-#define PACKET_TYPE_BITS 0x07
-#define PACKET_LEN_BITS01 0xc0
-#define PACKET_LEN_BITS2 0x02
-#define PACKET_IS_SYNCPOINT 0x08
-
-#define MAX_STREAMS 32
-
-#define PTS_AUDIO 0
-#define PTS_VIDEO 1
-
-#define WRAP_THRESHOLD 900000
-
-#define SUB_BUFSIZE 1024
-
-typedef struct chapter_entry_s {
- int64_t start_pts;
- char *name;
-} chapter_entry_t;
-
-typedef struct chapter_info_s {
- int current_chapter;
- int max_chapter;
- chapter_entry_t *entries;
-} chapter_info_t;
-
-typedef struct stream_info_s {
- ogg_stream_state oss;
- uint32_t buf_types;
- int headers;
- int64_t header_granulepos;
- int64_t factor;
- int64_t quotient;
- int resync;
- char *language;
- /* CMML, Ogg Skeleton stream information */
- int granuleshift;
- /* Annodex v2 stream information */
- int hide_first_header;
- int delivered_bos;
- int delivered_eos;
-} stream_info_t;
-
-typedef struct demux_ogg_s {
- demux_plugin_t demux_plugin;
-
- xine_stream_t *stream;
- fifo_buffer_t *audio_fifo;
- fifo_buffer_t *video_fifo;
- input_plugin_t *input;
- int status;
-
- int frame_duration;
-
-#ifdef HAVE_THEORA
- theora_info t_info;
- theora_comment t_comment;
-#endif
-
- ogg_sync_state oy;
- ogg_page og;
-
- int64_t start_pts;
- int64_t last_pts[2];
-
- int time_length;
-
- int num_streams;
- stream_info_t *si[MAX_STREAMS]; /* stream info */
-
- int num_audio_streams;
- int num_video_streams;
- int unhandled_video_streams;
- int num_spu_streams;
-
- off_t avg_bitrate;
-
- char *meta[XINE_STREAM_INFO_MAX];
- chapter_info_t *chapter_info;
- xine_event_queue_t *event_queue;
-
- uint8_t send_newpts:1;
- uint8_t buf_flag_seek:1;
- uint8_t keyframe_needed:1;
- uint8_t ignore_keyframes:1;
-} demux_ogg_t ;
-
-typedef struct {
- demux_class_t demux_class;
-} demux_ogg_class_t;
-
-typedef struct {
- demux_class_t demux_class;
-} demux_anx_class_t;
-
-
-#ifdef HAVE_THEORA
-static int intlog(int num) {
- int ret=0;
-
- while(num>0){
- num=num/2;
- ret=ret+1;
- }
- return(ret);
-}
-#endif
-
-static int get_stream (demux_ogg_t *this, int serno) {
- /*finds the stream_num, which belongs to a ogg serno*/
- int i;
-
- for (i = 0; i<this->num_streams; i++) {
- if (this->si[i]->oss.serialno == serno) {
- return i;
- }
- }
- return -1;
-}
-
-static int new_stream_info (demux_ogg_t *this, const int cur_serno) {
- int stream_num;
-
- this->si[this->num_streams] = (stream_info_t *)calloc(1, sizeof(stream_info_t));
- ogg_stream_init(&this->si[this->num_streams]->oss, cur_serno);
- stream_num = this->num_streams;
- this->si[stream_num]->buf_types = 0;
- this->si[stream_num]->header_granulepos = -1;
- this->si[stream_num]->headers = 0;
- this->num_streams++;
-
- return stream_num;
-}
-
-static int64_t get_pts (demux_ogg_t *this, int stream_num , int64_t granulepos ) {
- /*calculates an pts from an granulepos*/
- if (granulepos<0) {
- if ( this->si[stream_num]->header_granulepos>=0 ) {
- /*return the smallest valid pts*/
- return 1;
- } else
- return 0;
- } else if (this->si[stream_num]->buf_types == BUF_VIDEO_THEORA ||
- (this->si[stream_num]->buf_types & 0xFFFF0000) == BUF_SPU_CMML) {
- int64_t iframe, pframe;
- int granuleshift;
- granuleshift = this->si[stream_num]->granuleshift;
- iframe = granulepos >> granuleshift;
- pframe = granulepos - (iframe << granuleshift);
- if (this->si[stream_num]->quotient)
- return 1+((iframe+pframe) * this->si[stream_num]->factor / this->si[stream_num]->quotient);
- else
- return 0;
- } else if (this->si[stream_num]->quotient)
- return 1+(granulepos * this->si[stream_num]->factor / this->si[stream_num]->quotient);
- else
- return 0;
-}
-
-static int read_ogg_packet (demux_ogg_t *this) {
- char *buffer;
- long bytes;
- long total = 0;
- while (ogg_sync_pageout(&this->oy,&this->og)!=1) {
- buffer = ogg_sync_buffer(&this->oy, CHUNKSIZE);
- bytes = this->input->read(this->input, buffer, CHUNKSIZE);
- if (bytes <= 0) {
- if (total == 0) {
- lprintf("read_ogg_packet read nothing\n");
- return 0;
- }
- break;
- }
- ogg_sync_wrote(&this->oy, bytes);
- total += bytes;
- }
- return 1;
-}
-
-static void get_stream_length (demux_ogg_t *this) {
- /*determine the streamlenght and set this->time_length accordingly.
- ATTENTION:current_pos and oggbuffers will be destroyed by this function,
- there will be no way to continue playback uninterrupted.
-
- You have to seek afterwards, because after get_stream_length, the
- current_position is at the end of the file */
-
- off_t filelength;
- int done=0;
- int stream_num;
-
- this->time_length=-1;
-
- if (this->input->get_capabilities(this->input) & INPUT_CAP_SEEKABLE) {
- filelength=this->input->get_length(this->input);
-
- if (filelength!=-1) {
- if (filelength>70000) {
- this->demux_plugin.seek(&this->demux_plugin,
- (off_t) ( (double)(filelength-65536)/filelength*65535), 0, 0);
- }
- done=0;
- while (!done) {
- if (!read_ogg_packet (this)) {
- if (this->time_length) {
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_BITRATE,
- ((int64_t) 8000*filelength)/this->time_length);
- /*this is a fine place to compute avg_bitrate*/
- this->avg_bitrate= 8000*filelength/this->time_length;
- }
- return;
- }
- stream_num=get_stream(this, ogg_page_serialno (&this->og) );
- if (stream_num!=-1) {
- if (this->time_length < (get_pts(this, stream_num, ogg_page_granulepos(&this->og) / 90)))
- this->time_length = get_pts(this, stream_num, ogg_page_granulepos(&this->og)) / 90;
- }
- }
- }
- }
-}
-
-#ifdef HAVE_THEORA
-static void send_ogg_packet (demux_ogg_t *this,
- fifo_buffer_t *fifo,
- ogg_packet *op,
- int64_t pts,
- uint32_t decoder_flags,
- int stream_num) {
-
- buf_element_t *buf;
-
- int done=0,todo=op->bytes;
- const size_t op_size = sizeof(ogg_packet);
-
- while (done<todo) {
- size_t offset=0;
- buf = fifo->buffer_pool_alloc (fifo);
- buf->decoder_flags = decoder_flags;
- if (done==0) {
- memcpy (buf->content, op, op_size);
- offset=op_size;
- buf->decoder_flags = buf->decoder_flags | BUF_FLAG_FRAME_START;
- }
-
- if (done+buf->max_size-offset < todo) {
- memcpy (buf->content+offset, op->packet+done, buf->max_size-offset);
- buf->size = buf->max_size;
- done=done+buf->max_size-offset;
- } else {
- memcpy (buf->content+offset , op->packet+done, todo-done);
- buf->size = todo-done+offset;
- done=todo;
- buf->decoder_flags = buf->decoder_flags | BUF_FLAG_FRAME_END;
- }
-
- buf->pts = pts;
- if( this->input->get_length (this->input) )
- buf->extra_info->input_normpos = (int)( (double) this->input->get_current_pos (this->input) *
- 65535 / this->input->get_length (this->input) );
- buf->extra_info->input_time = buf->pts / 90 ;
- buf->type = this->si[stream_num]->buf_types;
-
- fifo->put (fifo, buf);
- }
-}
-#endif
-
-/* redefine abs as macro to handle 64-bit diffs.
- i guess llabs may not be available everywhere */
-#define abs(x) ( ((x)<0) ? -(x) : (x) )
-
-static void check_newpts (demux_ogg_t *this, int64_t pts, int video, int preview) {
- int64_t diff;
-
- llprintf(DEBUG_PTS, "new pts %" PRId64 " found in stream\n",pts);
-
- diff = pts - this->last_pts[video];
-
- if (!preview && (pts>=0) &&
- (this->send_newpts || (this->last_pts[video] && abs(diff)>WRAP_THRESHOLD) ) ) {
-
- xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG,
- "diff=%" PRId64 " (pts=%" PRId64 ", last_pts=%" PRId64 ")\n", diff, pts, this->last_pts[video]);
-
- if (this->buf_flag_seek) {
- _x_demux_control_newpts(this->stream, pts, BUF_FLAG_SEEK);
- this->buf_flag_seek = 0;
- } else {
- _x_demux_control_newpts(this->stream, pts, 0);
- }
- this->send_newpts = 0;
- this->last_pts[1-video] = 0;
- }
-
- if (!preview && (pts>=0) )
- this->last_pts[video] = pts;
-
- /* use pts for bitrate measurement */
-
- /*compute avg_bitrate if time_length isn't set*/
- if ((pts>180000) && !(this->time_length)) {
- this->avg_bitrate = this->input->get_current_pos (this->input) * 8 * 90000/ pts;
-
- if (this->avg_bitrate<1)
- this->avg_bitrate = 1;
-
- }
-}
-
-static void ogg_handle_event (demux_ogg_t *this) {
- xine_event_t *event;
-
- while ((event = xine_event_get(this->event_queue))) {
- switch(event->type) {
- case XINE_EVENT_INPUT_NEXT:
- {
- if (this->chapter_info) {
- int c_chap = this->chapter_info->current_chapter;
- if (c_chap+1 < this->chapter_info->max_chapter) {
- int start_time = this->chapter_info->entries[c_chap+1].start_pts / 90;
- this->demux_plugin.seek((demux_plugin_t *)this, 0, start_time, 1);
- }
- }
- }
- break;
- case XINE_EVENT_INPUT_PREVIOUS:
- {
- if (this->chapter_info) {
- int c_chap = this->chapter_info->current_chapter;
- if (c_chap >= 1) {
- int start_time = this->chapter_info->entries[c_chap-1].start_pts / 90;
- this->demux_plugin.seek((demux_plugin_t *)this, 0, start_time, 1);
- }
- }
- }
- break;
- }
- xine_event_free(event);
- }
- return;
-}
-
-
-#define OGG_META(TAG,APPEND) { #TAG"=", XINE_META_INFO_##TAG, APPEND }
-#define OGG_META_L(TAG,APPEND,META) { #TAG"=", XINE_META_INFO_##META, APPEND }
-static const struct ogg_meta {
- char tag[16];
- int meta;
- int append;
-} metadata[] = {
- OGG_META (ALBUM, 0),
- OGG_META (ARTIST, 0),
- OGG_META (PUBLISHER, 0),
- OGG_META (COPYRIGHT, 0),
- OGG_META (DISCNUMBER, 0),
- OGG_META (LICENSE, 0),
- OGG_META (TITLE, 0),
- OGG_META_L (TRACKNUMBER, 0, TRACK_NUMBER),
- OGG_META (COMPOSER, 1),
- OGG_META (ARRANGER, 1),
- OGG_META (LYRICIST, 1),
- OGG_META (AUTHOR, 1),
- OGG_META (CONDUCTOR, 1),
- OGG_META (PERFORMER, 1),
- OGG_META (ENSEMBLE, 1),
- OGG_META (OPUS, 0),
- OGG_META (PART, 0),
- OGG_META (PARTNUMBER, 0),
- OGG_META (GENRE, 1),
- OGG_META_L (DATE, 1, YEAR), /* hmm... */
- OGG_META (LOCATION, 0),
- OGG_META (COMMENT, 0),
-};
-
-#if 0
-/* ensure that those marked "append" are cleared */
-/* FIXME: is this useful? Should they be cleared on first write? */
-static void prepare_read_comments (demux_ogg_t *this)
-{
- int i;
-
- for (i = 0; i < sizeof (metadata) / sizeof (struct ogg_meta); ++i)
- if (metadata[i].append) {
- free (this->meta[metadata[i].meta]);
- this->meta[metadata[i].meta] = NULL;
- }
-}
-#endif
-
-static int read_comments (demux_ogg_t *this, const char *comment)
-{
- int i;
-
- for (i = 0; i < sizeof (metadata) / sizeof (struct ogg_meta); ++i) {
- size_t ml = strlen (metadata[i].tag);
- if (!strncasecmp (metadata[i].tag, comment, ml) && comment[ml]) {
- if (metadata[i].append && this->meta[metadata[i].meta]) {
- char *newstr;
- if (asprintf (&newstr, "%s\n%s", this->meta[metadata[i].meta], comment + ml) >= 0) {
- free (this->meta[metadata[i].meta]);
- this->meta[metadata[i].meta] = newstr;
- }
- }
- else {
- free (this->meta[metadata[i].meta]);
- this->meta[metadata[i].meta] = strdup (comment + ml);
- }
- _x_meta_info_set_utf8(this->stream, metadata[i].meta, this->meta[metadata[i].meta]);
- return 1;
- }
- }
- return 0;
-}
-
-/*
- * utility function to read a LANGUAGE= line from the user_comments,
- * to label audio and spu streams
- * utility function to read CHAPTER*=, TITLE= etc. from the user_comments,
- * to name (parts of) the stream
- */
-static void read_language_comment (demux_ogg_t *this, ogg_packet *op, int stream_num) {
- char **ptr;
- char *comment;
- vorbis_comment vc;
- vorbis_info vi;
-
- vorbis_comment_init(&vc);
- vorbis_info_init(&vi);
-
- /* this is necessary to make libvorbis accept this vorbis_info*/
- vi.rate=1;
-
- if ( vorbis_synthesis_headerin(&vi, &vc, op) >= 0) {
- ptr=vc.user_comments;
- while(*ptr) {
- comment=*ptr++;
- if ( !strncasecmp ("LANGUAGE=", comment, 9) ) {
- this->si[stream_num]->language = strdup (comment + strlen ("LANGUAGE=") );
- }
- else
- read_comments (this, comment);
- }
- }
- vorbis_comment_clear(&vc);
- vorbis_info_clear(&vi);
-}
-
-/*
- * utility function to read CHAPTER*= from the user_comments,
- * to name parts of the stream
- */
-static void read_chapter_comment (demux_ogg_t *this, ogg_packet *op) {
- char **ptr;
- char *comment;
- vorbis_comment vc;
- vorbis_info vi;
-
- vorbis_comment_init(&vc);
- vorbis_info_init(&vi);
-
- /* this is necessary to make libvorbis accept this vorbis_info*/
- vi.rate=1;
-
- if ( vorbis_synthesis_headerin(&vi, &vc, op) >= 0) {
- char *chapter_time = 0;
- char *chapter_name = 0;
- int chapter_no = 0;
-
- ptr=vc.user_comments;
-
- while(*ptr) {
- comment=*ptr++;
- if (read_comments (this, comment))
- continue;
-
- if ( !chapter_time && strlen(comment) == 22 &&
- !strncasecmp ("CHAPTER" , comment, 7) &&
- isdigit(*(comment+7)) && isdigit(*(comment+8)) &&
- (*(comment+9) == '=')) {
-
- chapter_time = strdup(comment+10);
- chapter_no = strtol(comment+7, NULL, 10);
- }
- if ( !chapter_name && !strncasecmp("CHAPTER", comment, 7) &&
- isdigit(*(comment+7)) && isdigit(*(comment+8)) &&
- !strncasecmp ("NAME=", comment+9, 5)) {
-
- if (strtol(comment+7,NULL,10) == chapter_no) {
- chapter_name = strdup(comment+14);
- }
- }
- if (chapter_time && chapter_name && chapter_no){
- int hour, min, sec, msec;
-
- lprintf("create chapter entry: no=%d name=%s time=%s\n", chapter_no, chapter_name, chapter_time);
- hour= strtol(chapter_time, NULL, 10);
- min = strtol(chapter_time+3, NULL, 10);
- sec = strtol(chapter_time+6, NULL, 10);
- msec = strtol(chapter_time+9, NULL, 10);
- lprintf("time: %d %d %d %d\n", hour, min,sec,msec);
-
- if (!this->chapter_info) {
- this->chapter_info = (chapter_info_t *)calloc(1, sizeof(chapter_info_t));
- this->chapter_info->current_chapter = -1;
- }
- this->chapter_info->max_chapter = chapter_no;
- this->chapter_info->entries = realloc( this->chapter_info->entries, chapter_no*sizeof(chapter_entry_t));
- this->chapter_info->entries[chapter_no-1].name = chapter_name;
- this->chapter_info->entries[chapter_no-1].start_pts = (msec + (1000.0 * sec) + (60000.0 * min) + (3600000.0 * hour))*90;
-
- free (chapter_time);
- chapter_no = 0;
- chapter_time = chapter_name = 0;
- }
- }
- }
- vorbis_comment_clear(&vc);
- vorbis_info_clear(&vi);
-}
-
-/*
- * update the display of the title, if needed
- */
-static void update_chapter_display (demux_ogg_t *this, int stream_num, ogg_packet *op) {
- int chapter = 0;
- int64_t pts = get_pts(this, stream_num, op->granulepos );
-
- while (chapter < this->chapter_info->max_chapter &&
- this->chapter_info->entries[chapter].start_pts < pts) {
- chapter++;
- }
- chapter--;
-
- if (chapter != this->chapter_info->current_chapter){
- xine_ui_data_t data = {
- .str = { 0, },
- .str_len = 0
- };
- xine_event_t uevent = {
- .type = XINE_EVENT_UI_SET_TITLE,
- .stream = this->stream,
- .data = &data,
- .data_length = sizeof(data)
- };
-
- this->chapter_info->current_chapter = chapter;
-
- if (chapter >= 0) {
- if (this->meta[XINE_META_INFO_TITLE]) {
- data.str_len = snprintf(data.str, sizeof(data.str), "%s / %s", this->meta[XINE_META_INFO_TITLE], this->chapter_info->entries[chapter].name);
- } else {
- strncpy(data.str, this->chapter_info->entries[chapter].name, sizeof(data.str)-1);
- }
- } else {
- strncpy(data.str, this->meta[XINE_META_INFO_TITLE], sizeof(data.str));
- }
- if ( data.str_len == 0 )
- data.str_len = strlen(data.str);
-
- _x_meta_info_set(this->stream, XINE_META_INFO_TITLE, data.str);
- lprintf("new TITLE: %s\n", data.str);
-
- xine_event_send(this->stream, &uevent);
- }
-}
-
-/*
- * utility function to pack one ogg_packet into a xine
- * buffer, fill out all needed fields
- * and send it to the right fifo
- */
-
-static void send_ogg_buf (demux_ogg_t *this,
- ogg_packet *op,
- int stream_num,
- uint32_t decoder_flags) {
-
- int hdrlen;
- int normpos = 0;
-
- if( this->input->get_length (this->input) )
- normpos = (int)( (double) this->input->get_current_pos (this->input) *
- 65535 / this->input->get_length (this->input) );
-
-
- hdrlen = (*op->packet & PACKET_LEN_BITS01) >> 6;
- hdrlen |= (*op->packet & PACKET_LEN_BITS2) << 1;
-
- /* for Annodex files: the first packet after the AnxData info packet needs
- * to have its BOS flag set: we set it here */
- if (!this->si[stream_num]->delivered_bos) {
- op->b_o_s = 1;
- this->si[stream_num]->delivered_bos = 1;
- }
-
- if ( this->audio_fifo
- && (this->si[stream_num]->buf_types & 0xFF000000) == BUF_AUDIO_BASE) {
- uint8_t *data;
- int size;
- int64_t pts;
-
- if (op->packet[0] == PACKET_TYPE_COMMENT ) {
- read_language_comment(this, op, stream_num);
- }
-
- if ((this->si[stream_num]->buf_types & 0xFFFF0000) == BUF_AUDIO_SPEEX ||
- (this->si[stream_num]->buf_types & 0xFFFF0000) == BUF_AUDIO_FLAC ||
- (this->si[stream_num]->buf_types & 0xFFFF0000) == BUF_AUDIO_VORBIS) {
- data = op->packet;
- size = op->bytes;
- } else {
- data = op->packet+1+hdrlen;
- size = op->bytes-1-hdrlen;
- }
- llprintf(DEBUG_PACKETS, "audio data size %d\n", size);
-
- if ((op->granulepos != -1) || (this->si[stream_num]->header_granulepos != -1)) {
- pts = get_pts(this, stream_num, op->granulepos );
- check_newpts( this, pts, PTS_AUDIO, decoder_flags );
- } else
- pts = 0;
-
- llprintf(DEBUG_PACKETS,
- "audiostream %d op-gpos %" PRId64 " hdr-gpos %" PRId64 " pts %" PRId64 " \n",
- stream_num,
- op->granulepos,
- this->si[stream_num]->header_granulepos,
- pts);
-
- _x_demux_send_data(this->audio_fifo, data, size,
- pts, this->si[stream_num]->buf_types, decoder_flags,
- normpos,
- pts / 90, this->time_length, 0);
-
-#ifdef HAVE_THEORA
- } else if ((this->si[stream_num]->buf_types & 0xFFFF0000) == BUF_VIDEO_THEORA) {
-
- int64_t pts;
- theora_info t_info;
- theora_comment t_comment;
-
- theora_info_init (&t_info);
- theora_comment_init (&t_comment);
-
- /*Lets see if this is an Header*/
- if ((theora_decode_header(&t_info, &t_comment, op))>=0) {
- decoder_flags=decoder_flags|BUF_FLAG_HEADER;
- lprintf ("found an header\n");
- }
-
- if ((op->granulepos != -1) || (this->si[stream_num]->header_granulepos != -1)) {
- pts = get_pts(this, stream_num, op->granulepos );
- check_newpts( this, pts, PTS_VIDEO, decoder_flags );
- } else
- pts = 0;
-
- llprintf(DEBUG_PACKETS,
- "theorastream %d op-gpos %" PRId64 " hdr-gpos %" PRId64 " pts %" PRId64 " \n",
- stream_num,
- op->granulepos,
- this->si[stream_num]->header_granulepos,
- pts);
-
- send_ogg_packet (this, this->video_fifo, op, pts, decoder_flags, stream_num);
-
- theora_comment_clear (&t_comment);
- theora_info_clear (&t_info);
-#endif
-
- } else if ((this->si[stream_num]->buf_types & 0xFF000000) == BUF_VIDEO_BASE) {
-
- uint8_t *data;
- int size;
- int64_t pts;
-
- llprintf(DEBUG_VIDEO_PACKETS,
- "video buffer, type=%08x\n", this->si[stream_num]->buf_types);
-
- if (op->packet[0] == PACKET_TYPE_COMMENT ) {
- read_chapter_comment(this, op);
- }else{
- data = op->packet+1+hdrlen;
- size = op->bytes-1-hdrlen;
-
- if ((op->granulepos != -1) || (this->si[stream_num]->header_granulepos != -1)) {
- pts = get_pts(this, stream_num, op->granulepos );
- check_newpts( this, pts, PTS_VIDEO, decoder_flags );
- } else
- pts = 0;
-
- llprintf(DEBUG_VIDEO_PACKETS,
- "videostream %d op-gpos %" PRId64 " hdr-gpos %" PRId64 " pts %" PRId64 " \n",
- stream_num,
- op->granulepos,
- this->si[stream_num]->header_granulepos,
- pts);
-
- _x_demux_send_data(this->video_fifo, data, size,
- pts, this->si[stream_num]->buf_types, decoder_flags,
- normpos,
- pts / 90, this->time_length, 0);
-
- if (this->chapter_info && op->granulepos != -1) {
- update_chapter_display(this, stream_num, op);
- }
- }
- } else if ((this->si[stream_num]->buf_types & 0xFFFF0000) == BUF_SPU_CMML) {
- buf_element_t *buf;
- uint32_t *val;
- char *str;
-
- buf = this->video_fifo->buffer_pool_alloc (this->video_fifo);
-
- buf->type = this->si[stream_num]->buf_types;
-
- buf->pts = get_pts (this, stream_num, op->granulepos);
-
- val = (uint32_t * )buf->content;
- str = (char *)val;
-
- memcpy(str, op->packet, op->bytes);
- str[op->bytes] = '\0';
-
- buf->size = 12 + op->bytes + 1;
-
- lprintf ("CMML stream %d (bytes=%ld): PTS %"PRId64": %s\n",
- stream_num, op->bytes, buf->pts, str);
-
- this->video_fifo->put (this->video_fifo, buf);
- } else if ((this->si[stream_num]->buf_types & 0xFF000000) == BUF_SPU_BASE) {
-
- buf_element_t *buf;
- int i;
- char *subtitle,*str;
- int lenbytes;
- int start,end;
- uint32_t *val;
-
- for (i = 0, lenbytes = 0; i < hdrlen; i++) {
- lenbytes = lenbytes << 8;
- lenbytes += *((unsigned char *) op->packet + hdrlen - i);
- }
-
- if (op->packet[0] == PACKET_TYPE_HEADER ) {
- lprintf ("Textstream-header-packet\n");
- } else if (op->packet[0] == PACKET_TYPE_COMMENT ) {
- lprintf ("Textstream-comment-packet\n");
- read_language_comment(this, op, stream_num);
- } else {
- subtitle = (char *)&op->packet[hdrlen + 1];
-
- if ((strlen(subtitle) > 1) || (*subtitle != ' ')) {
- start = op->granulepos;
- end = start+lenbytes;
- lprintf ("subtitlestream %d: %d -> %d :%s\n",stream_num,start,end,subtitle);
- buf = this->video_fifo->buffer_pool_alloc (this->video_fifo);
-
- buf->type = this->si[stream_num]->buf_types;
- buf->pts = 0;
-
- val = (uint32_t * )buf->content;
- *val++ = start;
- *val++ = end;
- str = (char *)val;
-
- memcpy (str, subtitle, 1+strlen(subtitle));
-
- this->video_fifo->put (this->video_fifo, buf);
- }
- }
- } else {
- lprintf("unknown stream type %x\n", this->si[stream_num]->buf_types);
- }
-}
-
-static void decode_vorbis_header (demux_ogg_t *this, const int stream_num, ogg_packet *op) {
- vorbis_info vi;
- vorbis_comment vc;
-
- this->si[stream_num]->buf_types = BUF_AUDIO_VORBIS
- +this->num_audio_streams++;
-
- this->si[stream_num]->headers = 3;
-
- vorbis_info_init(&vi);
- vorbis_comment_init(&vc);
- if (vorbis_synthesis_headerin(&vi, &vc, op) >= 0) {
-
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_BITRATE, vi.bitrate_nominal);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_SAMPLERATE, vi.rate);
-
- this->si[stream_num]->factor = 90000;
- this->si[stream_num]->quotient = vi.rate;
-
- if (vi.bitrate_nominal<1)
- this->avg_bitrate += 100000; /* assume 100 kbit */
- else
- this->avg_bitrate += vi.bitrate_nominal;
-
- } else {
- this->si[stream_num]->factor = 900;
- this->si[stream_num]->quotient = 441;
-
- this->si[stream_num]->headers = 0;
- xine_log (this->stream->xine, XINE_LOG_MSG,
- _("ogg: vorbis audio track indicated but no vorbis stream header found.\n"));
- }
- vorbis_comment_clear(&vc);
- vorbis_info_clear(&vi);
-}
-
-static void decode_speex_header (demux_ogg_t *this, const int stream_num, ogg_packet *op) {
-#ifdef HAVE_SPEEX
- void *st;
- SpeexMode *mode;
- SpeexHeader *header;
-
- this->si[stream_num]->buf_types = BUF_AUDIO_SPEEX
- +this->num_audio_streams++;
-
- this->si[stream_num]->headers = 1;
-
- header = speex_packet_to_header (op->packet, op->bytes);
-
- if (header) {
- int bitrate;
- mode = (SpeexMode *) speex_mode_list[header->mode];
-
- st = speex_decoder_init (mode);
-
- speex_decoder_ctl (st, SPEEX_GET_BITRATE, &bitrate);
-
- if (bitrate <= 1)
- bitrate = 16000; /* assume 16 kbit */
-
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_BITRATE, bitrate);
-
- this->si[stream_num]->factor = 90000;
- this->si[stream_num]->quotient = header->rate;
-
- this->avg_bitrate += bitrate;
-
- lprintf ("detected Speex stream,\trate %d\tbitrate %d\n", header->rate, bitrate);
-
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_SAMPLERATE, header->rate);
- this->si[stream_num]->headers += header->extra_headers;
- }
-#else
- xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "Speex stream detected, unable to play\n");
-
- this->si[stream_num]->buf_types = BUF_CONTROL_NOP;
-#endif
-}
-
-static void decode_video_header (demux_ogg_t *this, const int stream_num, ogg_packet *op) {
- buf_element_t *buf;
- xine_bmiheader bih;
- int channel;
-
- int16_t locbits_per_sample;
- uint32_t locsubtype;
- int32_t locsize, locdefault_len, locbuffersize, locwidth, locheight;
- int64_t loctime_unit, locsamples_per_unit;
-
- /* read fourcc with machine endianness */
- locsubtype = *((uint32_t *)&op->packet[9]);
-
- /* everything else little endian */
- locsize = _X_LE_32(&op->packet[13]);
- loctime_unit = _X_LE_64(&op->packet[17]);
- locsamples_per_unit = _X_LE_64(&op->packet[25]);
- locdefault_len = _X_LE_32(&op->packet[33]);
- locbuffersize = _X_LE_32(&op->packet[37]);
- locbits_per_sample = _X_LE_16(&op->packet[41]);
- locwidth = _X_LE_32(&op->packet[45]);
- locheight = _X_LE_32(&op->packet[49]);
-
- lprintf ("direct show filter created stream detected, hexdump:\n");
-#ifdef LOG
- xine_hexdump (op->packet, op->bytes);
-#endif
-
- channel = this->num_video_streams++;
-
- this->si[stream_num]->buf_types = _x_fourcc_to_buf_video (locsubtype);
- if( !this->si[stream_num]->buf_types )
- this->si[stream_num]->buf_types = BUF_VIDEO_UNKNOWN;
- this->si[stream_num]->buf_types |= channel;
- this->si[stream_num]->headers = 0; /* header is sent below */
-
- lprintf ("subtype %.4s\n", (char*)&locsubtype);
- lprintf ("time_unit %" PRId64 "\n", loctime_unit);
- lprintf ("samples_per_unit %" PRId64 "\n", locsamples_per_unit);
- lprintf ("default_len %d\n", locdefault_len);
- lprintf ("buffersize %d\n", locbuffersize);
- lprintf ("bits_per_sample %d\n", locbits_per_sample);
- lprintf ("width %d\n", locwidth);
- lprintf ("height %d\n", locheight);
- lprintf ("buf_type %08x\n",this->si[stream_num]->buf_types);
-
- bih.biSize=sizeof(xine_bmiheader);
- bih.biWidth = locwidth;
- bih.biHeight= locheight;
- bih.biPlanes= 0;
- memcpy(&bih.biCompression, &locsubtype, 4);
- bih.biBitCount= 0;
- bih.biSizeImage=locwidth*locheight;
- bih.biXPelsPerMeter=1;
- bih.biYPelsPerMeter=1;
- bih.biClrUsed=0;
- bih.biClrImportant=0;
-
- buf = this->video_fifo->buffer_pool_alloc (this->video_fifo);
- buf->decoder_flags = BUF_FLAG_HEADER|BUF_FLAG_STDHEADER|BUF_FLAG_FRAMERATE|
- BUF_FLAG_FRAME_END;
- this->frame_duration = loctime_unit * 9 / 1000;
- this->si[stream_num]->factor = loctime_unit * 9;
- this->si[stream_num]->quotient = 1000;
- buf->decoder_info[0] = this->frame_duration;
- memcpy (buf->content, &bih, sizeof (xine_bmiheader));
- buf->size = sizeof (xine_bmiheader);
- buf->type = this->si[stream_num]->buf_types;
-
- /* video metadata */
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_FOURCC, locsubtype);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_WIDTH, locwidth);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_HEIGHT, locheight);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_FRAME_DURATION, this->frame_duration);
-
- this->avg_bitrate += 500000; /* FIXME */
-
- this->video_fifo->put (this->video_fifo, buf);
-}
-
-static void decode_audio_header (demux_ogg_t *this, const int stream_num, ogg_packet *op) {
-
- if (this->audio_fifo) {
- buf_element_t *buf;
- int codec;
- char str[5];
- int channel;
-
- int16_t locbits_per_sample, locchannels, locblockalign;
- int32_t locsize, locdefault_len, locbuffersize, locavgbytespersec;
- int64_t loctime_unit, locsamples_per_unit;
-
- locsize = _X_LE_32(&op->packet[13]);
- loctime_unit = _X_LE_64(&op->packet[17]);
- locsamples_per_unit = _X_LE_64(&op->packet[25]);
- locdefault_len = _X_LE_32(&op->packet[33]);
- locbuffersize = _X_LE_32(&op->packet[37]);
- locbits_per_sample = _X_LE_16(&op->packet[41]);
- locchannels = _X_LE_16(&op->packet[45]);
- locblockalign = _X_LE_16(&op->packet[47]);
- locavgbytespersec= _X_LE_32(&op->packet[49]);
-
- lprintf ("direct show filter created audio stream detected, hexdump:\n");
-#ifdef LOG
- xine_hexdump (op->packet, op->bytes);
-#endif
-
- memcpy(str, &op->packet[9], 4);
- str[4] = 0;
- codec = strtoul(str, NULL, 16);
-
- channel= this->num_audio_streams++;
-
- this->si[stream_num]->buf_types = _x_formattag_to_buf_audio(codec);
- if( this->si[stream_num]->buf_types ) {
- this->si[stream_num]->buf_types |= channel;
- } else {
- xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG,
- "demux_ogg: unknown audio codec type 0x%x\n", codec);
- this->si[stream_num]->buf_types = BUF_AUDIO_UNKNOWN;
- /*break;*/
- }
-
- lprintf ("subtype 0x%x\n", codec);
- lprintf ("time_unit %" PRId64 "\n", loctime_unit);
- lprintf ("samples_per_unit %" PRId64 "\n", locsamples_per_unit);
- lprintf ("default_len %d\n", locdefault_len);
- lprintf ("buffersize %d\n", locbuffersize);
- lprintf ("bits_per_sample %d\n", locbits_per_sample);
- lprintf ("channels %d\n", locchannels);
- lprintf ("blockalign %d\n", locblockalign);
- lprintf ("avgbytespersec %d\n", locavgbytespersec);
- lprintf ("buf_type %08x\n",this->si[stream_num]->buf_types);
-
- buf = this->audio_fifo->buffer_pool_alloc (this->audio_fifo);
- buf->type = this->si[stream_num]->buf_types;
- buf->decoder_flags = BUF_FLAG_HEADER|BUF_FLAG_STDHEADER|BUF_FLAG_FRAME_END;
- buf->decoder_info[0] = 0;
- buf->decoder_info[1] = locsamples_per_unit;
- buf->decoder_info[2] = locbits_per_sample;
- buf->decoder_info[3] = locchannels;
- this->audio_fifo->put (this->audio_fifo, buf);
-
- this->si[stream_num]->headers = 0; /* header already sent */
- this->si[stream_num]->factor = 90000;
- this->si[stream_num]->quotient = locsamples_per_unit;
-
- this->avg_bitrate += locavgbytespersec*8;
-
- /* audio metadata */
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_FOURCC, codec);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_CHANNELS, locchannels);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_BITS, locbits_per_sample);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_SAMPLERATE, locsamples_per_unit);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_BITRATE, locavgbytespersec * 8);
-
- } else /* no audio_fifo there */
- this->si[stream_num]->buf_types = BUF_CONTROL_NOP;
-}
-
-static void decode_dshow_header (demux_ogg_t *this, const int stream_num, ogg_packet *op) {
-
- lprintf ("older Direct Show filter-generated stream header detected. Hexdump:\n");
-#ifdef LOG
- xine_hexdump (op->packet, op->bytes);
-#endif
-
- this->si[stream_num]->headers = 0; /* header is sent below */
-
- if ( _x_is_fourcc(&op->packet[96], "\x05\x58\x9f\x80") && (op->bytes >= 184)) {
-
- buf_element_t *buf;
- xine_bmiheader bih;
- int channel;
- uint32_t fcc;
-
- lprintf ("seems to be a video stream.\n");
-
- channel = this->num_video_streams++;
- fcc = *(uint32_t*)(op->packet+68);
- lprintf ("fourcc %08x\n", fcc);
-
- this->si[stream_num]->buf_types = _x_fourcc_to_buf_video (fcc);
- if( !this->si[stream_num]->buf_types )
- this->si[stream_num]->buf_types = BUF_VIDEO_UNKNOWN;
- this->si[stream_num]->buf_types |= channel;
-
- bih.biSize = sizeof(xine_bmiheader);
- bih.biWidth = _X_LE_32(&op->packet[176]);
- bih.biHeight = _X_LE_32(&op->packet[180]);
- bih.biPlanes = 0;
- memcpy (&bih.biCompression, op->packet+68, 4);
- bih.biBitCount = _X_LE_16(&op->packet[182]);
- if (!bih.biBitCount)
- bih.biBitCount = 24; /* FIXME ? */
- bih.biSizeImage = (bih.biBitCount>>3)*bih.biWidth*bih.biHeight;
- bih.biXPelsPerMeter = 1;
- bih.biYPelsPerMeter = 1;
- bih.biClrUsed = 0;
- bih.biClrImportant = 0;
-
- buf = this->video_fifo->buffer_pool_alloc (this->video_fifo);
- buf->decoder_flags = BUF_FLAG_HEADER|BUF_FLAG_STDHEADER|BUF_FLAG_FRAMERATE|
- BUF_FLAG_FRAME_END;
- this->frame_duration = (*(int64_t*)(op->packet+164)) * 9 / 1000;
- this->si[stream_num]->factor = (*(int64_t*)(op->packet+164)) * 9;
- this->si[stream_num]->quotient = 1000;
-
- buf->decoder_info[0] = this->frame_duration;
- memcpy (buf->content, &bih, sizeof (xine_bmiheader));
- buf->size = sizeof (xine_bmiheader);
- buf->type = this->si[stream_num]->buf_types;
- this->video_fifo->put (this->video_fifo, buf);
-
- lprintf ("subtype %.4s\n", (char*)&fcc);
- lprintf ("buf_type %08x\n", this->si[stream_num]->buf_types);
- lprintf ("video size %d x %d\n", bih.biWidth, bih.biHeight);
- lprintf ("frame duration %d\n", this->frame_duration);
-
- /* video metadata */
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_WIDTH, bih.biWidth);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_HEIGHT, bih.biHeight);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_FRAME_DURATION, this->frame_duration);
-
- this->avg_bitrate += 500000; /* FIXME */
-
- this->ignore_keyframes = 1;
-
- } else if (_x_is_fourcc(&op->packet[96], "\x05\x58\x9f\x81")) {
-
-#if 0
- /* FIXME: no test streams */
-
- buf_element_t *buf;
- int codec;
- char str[5];
- int channel;
- int extra_size;
-
- extra_size = *(int16_t*)(op->packet+140);
- format = *(int16_t*)(op->packet+124);
- channels = *(int16_t*)(op->packet+126);
- samplerate = *(int32_t*)(op->packet+128);
- nAvgBytesPerSec = *(int32_t*)(op->packet+132);
- nBlockAlign = *(int16_t*)(op->packet+136);
- wBitsPerSample = *(int16_t*)(op->packet+138);
- samplesize = (sh_a->wf->wBitsPerSample+7)/8;
- cbSize = extra_size;
- if(extra_size > 0)
- memcpy(wf+sizeof(WAVEFORMATEX),op->packet+142,extra_size);
-#endif
-
- xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "FIXME, old audio format not handled\n");
-
- this->si[stream_num]->buf_types = BUF_CONTROL_NOP;
-
- } else {
- xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG,
- "old header detected but stream type is unknown\n");
- this->si[stream_num]->buf_types = BUF_CONTROL_NOP;
- }
-}
-
-static void decode_text_header (demux_ogg_t *this, const int stream_num, ogg_packet *op) {
- int channel=0;
- uint32_t *val;
- buf_element_t *buf;
-
- lprintf ("textstream detected.\n");
- this->si[stream_num]->headers = 2;
- channel = this->num_spu_streams++;
- this->si[stream_num]->buf_types = BUF_SPU_OGM | channel;
-
- /*send an empty spu to inform the video_decoder, that there is a stream*/
- buf = this->video_fifo->buffer_pool_alloc (this->video_fifo);
- buf->type = this->si[stream_num]->buf_types;
- buf->pts = 0;
- val = (uint32_t * )buf->content;
- *val++=0;
- *val++=0;
- *val++=0;
- this->video_fifo->put (this->video_fifo, buf);
-}
-
-static void decode_theora_header (demux_ogg_t *this, const int stream_num, ogg_packet *op) {
-
-#ifdef HAVE_THEORA
- xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG,
- "demux_ogg: Theorastreamsupport is highly alpha at the moment\n");
-
- if (theora_decode_header(&this->t_info, &this->t_comment, op) >= 0) {
-
- this->num_video_streams++;
-
- this->si[stream_num]->factor = (int64_t) 90000 * (int64_t) this->t_info.fps_denominator;
-
- if (!this->t_info.fps_numerator) {
- this->t_info.fps_numerator = 1; /* FIXME: default value ? */
- }
- this->si[stream_num]->quotient = this->t_info.fps_numerator;
-
- this->frame_duration = ((int64_t) 90000*this->t_info.fps_denominator);
- this->frame_duration /= this->t_info.fps_numerator;
-
- this->si[stream_num]->granuleshift = intlog(this->t_info.keyframe_frequency_force-1);
-
- this->si[stream_num]->headers=3;
- this->si[stream_num]->buf_types = BUF_VIDEO_THEORA;
-
- _x_meta_info_set(this->stream, XINE_META_INFO_VIDEOCODEC, "theora");
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_WIDTH, this->t_info.frame_width);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_HEIGHT, this->t_info.frame_height);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_FRAME_DURATION, this->frame_duration);
-
- /*currently aspect_nominator and -denumerator are 0?*/
- if (this->t_info.aspect_denominator) {
- int64_t ratio = ((int64_t) this->t_info.aspect_numerator * 10000);
-
- ratio /= this->t_info.aspect_denominator;
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_RATIO, ratio);
- }
-
- lprintf ("decoded theora header \n");
- lprintf ("frameduration %d\n",this->frame_duration);
- lprintf ("w:%d h:%d \n",this->t_info.frame_width,this->t_info.frame_height);
- lprintf ("an:%d ad:%d \n",this->t_info.aspect_numerator,this->t_info.aspect_denominator);
- } else {
- /*Rejected stream*/
- xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG,
- "A theora header was rejected by libtheora\n");
- this->si[stream_num]->buf_types = BUF_CONTROL_NOP;
- this->si[stream_num]->headers = 0; /* FIXME: don't know */
- }
-#else
- this->si[stream_num]->buf_types = BUF_VIDEO_THEORA;
- this->num_video_streams++;
- this->unhandled_video_streams++;
- _x_meta_info_set(this->stream, XINE_META_INFO_VIDEOCODEC, "theora");
-#endif
-}
-
-static void decode_flac_header (demux_ogg_t *this, const int stream_num, ogg_packet *op) {
- xine_flac_metadata_header header;
- xine_flac_streaminfo_block streaminfo = {};
- buf_element_t *buf;
- xine_waveformatex wave;
-
- static const uint8_t flac_signature_1[] =
- {
- /* Packet type */
- 0x7F,
- /* OggFLAC signature */
- 'F', 'L', 'A', 'C',
- /* Version: only 1.0 supported */
- 1, 0
- };
- static const uint8_t flac_signature_2[] = "fLaC";
-
- _x_assert(memcmp(&op->packet[0], flac_signature_1, sizeof(flac_signature_1)) == 0);
- _x_assert(memcmp(&op->packet[9], flac_signature_2, sizeof(flac_signature_2)) == 0);
-
- /* Header count */
- this->si[stream_num]->headers = 0/*_X_BE_16(&op->packet[7]) +1*/;
-
- _x_parse_flac_metadata_header(&op->packet[13], &header);
-
- switch ( header.blocktype ) {
- case FLAC_BLOCKTYPE_STREAMINFO:
- _x_assert(header.length == FLAC_STREAMINFO_SIZE);
- _x_parse_flac_streaminfo_block(&op->packet[17], &streaminfo);
-
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_SAMPLERATE, streaminfo.samplerate);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_CHANNELS, streaminfo.channels);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_BITS, streaminfo.bits_per_sample);
-
- break;
- }
-
- this->si[stream_num]->buf_types = BUF_AUDIO_FLAC
- +this->num_audio_streams++;
-
- this->si[stream_num]->factor = 90000;
-
- buf = this->audio_fifo->buffer_pool_alloc(this->audio_fifo);
-
- buf->type = BUF_AUDIO_FLAC;
- buf->decoder_flags = BUF_FLAG_HEADER|BUF_FLAG_STDHEADER|BUF_FLAG_FRAME_END;
-
- buf->decoder_info[0] = 0;
- buf->decoder_info[1] = streaminfo.samplerate;
- buf->decoder_info[2] = streaminfo.bits_per_sample;
- buf->decoder_info[3] = streaminfo.channels;
- buf->size = sizeof(xine_waveformatex) + FLAC_STREAMINFO_SIZE;
- memcpy(buf->content+sizeof(xine_waveformatex), &op->packet[17], FLAC_STREAMINFO_SIZE);
- xine_hexdump(&op->packet[17], FLAC_STREAMINFO_SIZE);
- wave.cbSize = FLAC_STREAMINFO_SIZE;
- memcpy(buf->content, &wave, sizeof(xine_waveformatex));
-
- this->audio_fifo->put(this->audio_fifo, buf);
-
- /* Skip the Ogg framing info */
- op->bytes -= 9;
- op->packet += 9;
-}
-
-static void decode_annodex_header (demux_ogg_t *this, const int stream_num, ogg_packet *op) {
- lprintf ("Annodex stream detected\n");
- this->si[stream_num]->buf_types = BUF_CONTROL_NOP;
- this->si[stream_num]->headers = 1;
- this->si[stream_num]->header_granulepos = op->granulepos;
- _x_meta_info_set(this->stream, XINE_META_INFO_SYSTEMLAYER, "Annodex");
-}
-
-static void decode_anxdata_header (demux_ogg_t *this, const int stream_num, ogg_packet *op) {
- int64_t granule_rate_n, granule_rate_d;
- uint32_t secondary_headers;
- const char *content_type = "";
- size_t content_type_length = 0;
-
- lprintf("AnxData stream detected\n");
-
- /* read granule rate */
- granule_rate_n = _X_LE_64(&op->packet[8]);
- granule_rate_d = _X_LE_64(&op->packet[16]);
- secondary_headers = _X_LE_32(&op->packet[24]);
-
- lprintf("granule_rate %" PRId64 "/%" PRId64 ", %d secondary headers\n",
- granule_rate_n, granule_rate_d, secondary_headers);
-
- /* read "Content-Type" MIME header */
- const char *startline = &op->packet[28];
- const char *endline;
- if ( strcmp(&op->packet[28], "Content-Type: ") == 0 &&
- (endline = strstr(startline, "\r\n")) ) {
- content_type = startline + sizeof("Content-Type: ");
- content_type_length = startline - endline;
- }
-
- lprintf("Content-Type: %s (length:%td)\n", content_type, content_type_length);
-
- /* how many header packets in the AnxData stream? */
- this->si[stream_num]->headers = secondary_headers + 1;
- this->si[stream_num]->hide_first_header = 1;
-
- /* set factor and quotient */
- this->si[stream_num]->factor = (int64_t) 90000 * granule_rate_d;
- this->si[stream_num]->quotient = granule_rate_n;
-
- lprintf("factor: %" PRId64 ", quotient: %" PRId64 "\n",
- this->si[stream_num]->factor, this->si[stream_num]->quotient);
-
- /* what type of stream are we dealing with? */
- if (!strncmp(content_type, "audio/x-vorbis", content_type_length)) {
- this->si[stream_num]->buf_types = BUF_AUDIO_VORBIS;
- this->num_audio_streams++;
- } else if (!strncmp(content_type, "audio/x-speex", content_type_length)) {
- this->num_audio_streams++;
-#ifdef HAVE_SPEEX
- this->si[stream_num]->buf_types = BUF_AUDIO_SPEEX;
-#else
- this->si[stream_num]->buf_types = BUF_CONTROL_NOP;
-#endif
- } else if (!strncmp(content_type, "video/x-theora", content_type_length)) {
- this->num_video_streams++;
-#ifdef HAVE_THEORA
- this->si[stream_num]->buf_types = BUF_VIDEO_THEORA;
-#else
- this->si[stream_num]->buf_types = BUF_CONTROL_NOP;
-#endif
- } else if (!strncmp(content_type, "text/x-cmml", content_type_length)) {
- unsigned int channel = this->num_spu_streams++;
- this->si[stream_num]->headers = 0;
- this->si[stream_num]->buf_types = BUF_SPU_CMML | channel;
- this->si[stream_num]->granuleshift = 0;
- } else {
- this->si[stream_num]->buf_types = BUF_CONTROL_NOP;
- }
-
-}
-
-static void decode_cmml_header (demux_ogg_t *this, const int stream_num, ogg_packet *op) {
- unsigned int channel = this->num_spu_streams++;
- this->si[stream_num]->headers = 0;
- this->si[stream_num]->buf_types = BUF_SPU_CMML | channel;
-
- this->si[stream_num]->factor = 90000 * _X_LE_64(&op->packet[20]);
- this->si[stream_num]->quotient = _X_LE_64(&op->packet[12]);
- this->si[stream_num]->granuleshift = (int)op->packet[28];
-}
-
-/*
- * interpret stream start packages, send headers
- */
-static void send_header (demux_ogg_t *this) {
-
- int stream_num = -1;
- int cur_serno;
- int done = 0;
- ogg_packet op;
- xine_event_t ui_event;
-
- lprintf ("detecting stream types...\n");
-
- this->ignore_keyframes = 0;
-
- while (!done) {
- if (!read_ogg_packet(this) || !this->og.header || !this->og.body) {
- return;
- }
- /* now we've got at least one new page */
-
- cur_serno = ogg_page_serialno (&this->og);
-
- if (ogg_page_bos(&this->og)) {
- lprintf ("beginning of stream\n");
- lprintf ("serial number %d\n", cur_serno);
-
- if( this->num_streams == MAX_STREAMS ) {
- xprintf (this->stream->xine, XINE_VERBOSITY_LOG, "demux_ogg: MAX_STREAMS exceeded, aborting.\n");
- this->status = DEMUX_FINISHED;
- return;
- }
- stream_num = new_stream_info(this, cur_serno);
-
- } else {
- stream_num = get_stream(this, cur_serno);
- if (stream_num == -1) {
- xprintf (this->stream->xine, XINE_VERBOSITY_LOG, "demux_ogg: stream with no beginning!\n");
- this->status = DEMUX_FINISHED;
- return;
- }
- }
-
- ogg_stream_pagein(&this->si[stream_num]->oss, &this->og);
-
- while (ogg_stream_packetout(&this->si[stream_num]->oss, &op) == 1) {
-
- if (!this->si[stream_num]->buf_types) {
-
- /* detect buftype */
- if (!strncmp (&op.packet[1], "vorbis", 6)) {
- decode_vorbis_header(this, stream_num, &op);
- } else if (!strncmp (&op.packet[0], "Speex", 5)) {
- decode_speex_header(this, stream_num, &op);
- } else if (!strncmp (&op.packet[1], "video", 5)) {
- decode_video_header(this, stream_num, &op);
- } else if (!strncmp (&op.packet[1], "audio", 5)) {
- decode_audio_header(this, stream_num, &op);
- } else if (op.bytes >= 142
- && !strncmp (&op.packet[1], "Direct Show Samples embedded in Ogg", 35) ) {
- decode_dshow_header(this, stream_num, &op);
- } else if (!strncmp (&op.packet[1], "text", 4)) {
- decode_text_header(this, stream_num, &op);
- } else if (!strncmp (&op.packet[1], "theora", 6)) {
- decode_theora_header(this, stream_num, &op);
- } else if (!strncmp (&op.packet[1], "FLAC", 4)) {
- decode_flac_header(this, stream_num, &op);
- } else if (!strncmp (&op.packet[0], "Annodex", 7)) {
- decode_annodex_header(this, stream_num, &op);
- } else if (!strncmp (&op.packet[0], "AnxData", 7)) {
- decode_anxdata_header(this, stream_num, &op);
- } else if (!strncmp (&op.packet[0], "CMML", 4)) {
- decode_cmml_header(this, stream_num, &op);
- } else {
- xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG,
- "demux_ogg: unknown stream type (signature >%.8s<). hex dump of bos packet follows:\n",
- op.packet);
- if(this->stream->xine->verbosity >= XINE_VERBOSITY_DEBUG)
- xine_hexdump (op.packet, op.bytes);
-
- this->si[stream_num]->buf_types = BUF_CONTROL_NOP;
- }
- }
-
- /* send preview buffer */
- if (this->si[stream_num]->headers > 0 ||
- op.packet[0] == PACKET_TYPE_COMMENT) {
- if (this->si[stream_num]->hide_first_header)
- this->si[stream_num]->hide_first_header = 0;
- else {
- lprintf ("sending preview buffer of stream type %08x\n",
- this->si[stream_num]->buf_types);
-
- send_ogg_buf (this, &op, stream_num, BUF_FLAG_HEADER);
- this->si[stream_num]->headers --;
- }
- }
-
- /* are we finished ? */
- if (!ogg_page_bos(&this->og)) {
- int i;
- done = 1;
-
- for (i=0; i<this->num_streams; i++) {
- if (this->si[i]->headers > 0)
- done = 0;
-
- llprintf(DEBUG_PREVIEWS,
- "%d preview buffers left to send from stream %d\n",
- this->si[i]->headers, i);
- }
- }
- }
- }
-
- ui_event.type = XINE_EVENT_UI_CHANNELS_CHANGED;
- ui_event.data_length = 0;
- xine_event_send(this->stream, &ui_event);
-
- /*get the streamlength*/
- get_stream_length (this);
-
-}
-
-static int demux_ogg_send_chunk (demux_plugin_t *this_gen) {
- demux_ogg_t *this = (demux_ogg_t *) this_gen;
-
- int stream_num;
- int cur_serno;
-
- ogg_packet op;
-
- ogg_handle_event(this);
-
- llprintf(DEBUG_PACKETS, "send package...\n");
-
- if (!read_ogg_packet(this)) {
- this->status = DEMUX_FINISHED;
- lprintf ("EOF\n");
- return this->status;
- }
-
- if (!this->og.header || !this->og.body) {
- this->status = DEMUX_FINISHED;
- lprintf ("EOF\n");
- return this->status;
- }
-
- /* now we've got one new page */
-
- cur_serno = ogg_page_serialno (&this->og);
- stream_num = get_stream(this, cur_serno);
- if (stream_num < 0) {
- lprintf ("error: unknown stream, serialnumber %d\n", cur_serno);
-
- if (!ogg_page_bos(&this->og)) {
- lprintf ("help, stream with no beginning!\n");
- }
- lprintf ("adding late stream with serial number %d (all content will be discarded)\n", cur_serno);
-
- if( this->num_streams == MAX_STREAMS ) {
- xprintf (this->stream->xine, XINE_VERBOSITY_LOG, "demux_ogg: MAX_STREAMS exceeded, aborting.\n");
- this->status = DEMUX_FINISHED;
- return this->status;
- }
- stream_num = new_stream_info(this, cur_serno);
- }
-
- ogg_stream_pagein(&this->si[stream_num]->oss, &this->og);
-
- if (ogg_page_bos(&this->og)) {
- lprintf ("beginning of stream: serial number %d - discard\n",
- ogg_page_serialno (&this->og));
- while (ogg_stream_packetout(&this->si[stream_num]->oss, &op) == 1) ;
- return this->status;
- }
-
- /*while keyframeseeking only process videostream*/
- if (!this->ignore_keyframes && this->keyframe_needed
- && ((this->si[stream_num]->buf_types & 0xFF000000) != BUF_VIDEO_BASE))
- return this->status;
-
- while (ogg_stream_packetout(&this->si[stream_num]->oss, &op) == 1) {
- /* printf("demux_ogg: packet: %.8s\n", op.packet); */
- /* printf("demux_ogg: got a packet\n"); */
-
- if ((*op.packet & PACKET_TYPE_HEADER) &&
- (this->si[stream_num]->buf_types!=BUF_VIDEO_THEORA) && (this->si[stream_num]->buf_types!=BUF_AUDIO_SPEEX) && (this->si[stream_num]->buf_types!=BUF_AUDIO_FLAC)) {
- if (op.granulepos != -1) {
- this->si[stream_num]->header_granulepos = op.granulepos;
- lprintf ("header with granulepos, remembering granulepos\n");
- } else {
- lprintf ("header => discard\n");
- }
- continue;
- }
-
- /*discard granulepos-less packets and to early audiopackets*/
- if (this->si[stream_num]->resync) {
- if ((this->si[stream_num]->buf_types & 0xFF000000) == BUF_SPU_BASE) {
- /*never drop subtitles*/
- this->si[stream_num]->resync=0;
- } else if ((op.granulepos == -1) && (this->si[stream_num]->header_granulepos == -1)) {
- continue;
- } else {
-
- /*dump too early packets*/
- if ((get_pts(this,stream_num,op.granulepos)-this->start_pts) > -90000)
- this->si[stream_num]->resync=0;
- else
- continue;
- }
- }
-
- if (!this->ignore_keyframes && this->keyframe_needed) {
- lprintf ("keyframe needed... buf_type=%08x\n", this->si[stream_num]->buf_types);
- if (this->si[stream_num]->buf_types == BUF_VIDEO_THEORA) {
-#ifdef HAVE_THEORA
-
- int keyframe_granule_shift;
- int64_t pframe=-1,iframe=-1;
-
- keyframe_granule_shift = this->si[stream_num]->granuleshift;
-
- if(op.granulepos>=0){
- iframe=op.granulepos>>keyframe_granule_shift;
- pframe=op.granulepos-(iframe<<keyframe_granule_shift);
- xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG,
- "seeking keyframe i %" PRId64 " p %" PRId64 "\n", iframe, pframe);
- if (pframe!=0)
- continue;
- } else
- continue;
- this->keyframe_needed = 0;
- this->start_pts=get_pts(this,stream_num,op.granulepos);
-#endif
- } else if ((this->si[stream_num]->buf_types & 0xFF000000) == BUF_VIDEO_BASE) {
-
- /*calculate the current pts*/
- if (op.granulepos!=-1) {
- this->start_pts=get_pts(this, stream_num, op.granulepos);
- } else if (this->start_pts!=-1)
- this->start_pts=this->start_pts+this->frame_duration;
-
- /*seek the keyframe*/
- if ((*op.packet == PACKET_IS_SYNCPOINT) && (this->start_pts!=-1))
- this->keyframe_needed = 0;
- else
- continue;
-
- } else if ((this->si[stream_num]->buf_types & 0xFF000000) == BUF_VIDEO_BASE) continue;
- }
- send_ogg_buf (this, &op, stream_num, 0);
-
- /*delete used header_granulepos*/
- if (op.granulepos == -1)
- this->si[stream_num]->header_granulepos = -1;
-
- }
- if (ogg_page_eos(&this->og)) {
- int i;
- int finished_streams = 0;
-
- lprintf("end of stream, serialnumber %d\n", cur_serno);
- this->si[stream_num]->delivered_eos = 1;
-
- /* check if all logical streams are finished */
- for (i = 0; i < this->num_streams; i++) {
- finished_streams += this->si[i]->delivered_eos;
- }
-
- /* if all streams are finished, perhaps a chained stream follows */
- if (finished_streams == this->num_streams) {
- /* delete current logical streams */
- for (i = 0; i < this->num_streams; i++) {
- ogg_stream_clear(&this->si[i]->oss);
- if (this->si[i]->language) {
- free (this->si[i]->language);
- }
- free (this->si[i]);
- }
- this->num_streams = 0;
- this->num_audio_streams = 0;
- this->num_video_streams = 0;
- this->unhandled_video_streams = 0;
- this->num_spu_streams = 0;
- this->avg_bitrate = 1;
-
- /* try to read a chained stream */
- this->send_newpts = 1;
- this->last_pts[0] = 0;
- this->last_pts[1] = 0;
-
- /* send control buffer to avoid buffer leak */
- _x_demux_control_end(this->stream, 0);
- _x_demux_control_start(this->stream);
- send_header(this);
- }
- }
-
- return this->status;
-}
-
-static void demux_ogg_dispose (demux_plugin_t *this_gen) {
- demux_ogg_t *this = (demux_ogg_t *) this_gen;
- int i;
-
- for (i=0; i<this->num_streams; i++) {
- ogg_stream_clear(&this->si[i]->oss);
-
- if (this->si[i]->language) {
- free (this->si[i]->language);
- }
- free(this->si[i]);
- }
-
- ogg_sync_clear(&this->oy);
-
-#ifdef HAVE_THEORA
- theora_comment_clear (&this->t_comment);
- theora_info_clear (&this->t_info);
-#endif
-
- if (this->chapter_info){
- free (this->chapter_info->entries);
- free (this->chapter_info);
- }
- for (i = 0; i < XINE_STREAM_INFO_MAX; ++i)
- free (this->meta[i]);
-
- if (this->event_queue)
- xine_event_dispose_queue (this->event_queue);
-
- free (this);
-}
-
-static int demux_ogg_get_status (demux_plugin_t *this_gen) {
- demux_ogg_t *this = (demux_ogg_t *) this_gen;
-
- return this->status;
-}
-
-static void demux_ogg_send_headers (demux_plugin_t *this_gen) {
- demux_ogg_t *this = (demux_ogg_t *) this_gen;
-
- this->video_fifo = this->stream->video_fifo;
- this->audio_fifo = this->stream->audio_fifo;
-
- this->status = DEMUX_OK;
-
- /*
- * send start buffers
- */
-
- this->last_pts[0] = 0;
- this->last_pts[1] = 0;
-
- /*
- * initialize ogg engine
- */
- ogg_sync_init(&this->oy);
-
- this->num_streams = 0;
- this->num_audio_streams = 0;
- this->num_video_streams = 0;
- this->num_spu_streams = 0;
- this->avg_bitrate = 1;
-
- this->input->seek (this->input, 0, SEEK_SET);
-
- if (this->status == DEMUX_OK) {
- _x_demux_control_start(this->stream);
- send_header (this);
- lprintf ("headers sent, avg bitrate is %" PRId64 "\n", this->avg_bitrate);
- }
-
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_HAS_VIDEO,
- this->num_video_streams > 0);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_HANDLED,
- this->num_video_streams > this->unhandled_video_streams);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_HAS_AUDIO,
- this->num_audio_streams > 0);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_MAX_SPU_CHANNEL,
- this->num_spu_streams);
-}
-
-static int demux_ogg_seek (demux_plugin_t *this_gen,
- off_t start_pos, int start_time, int playing) {
-
- demux_ogg_t *this = (demux_ogg_t *) this_gen;
- int i;
- start_time /= 1000;
- start_pos = (off_t) ( (double) start_pos / 65535 *
- this->input->get_length (this->input) );
- /*
- * seek to start position
- */
-
- if (INPUT_IS_SEEKABLE(this->input)) {
-
- this->keyframe_needed = (this->num_video_streams>0);
-
- if ( (!start_pos) && (start_time)) {
- if (this->time_length != -1) {
- /*do the seek via time*/
- int current_time=-1;
- off_t current_pos;
- current_pos=this->input->get_current_pos(this->input);
-
- /*try to find out the current time*/
- if (this->last_pts[PTS_VIDEO]) {
- current_time=this->last_pts[PTS_VIDEO]/90000;
- } else if (this->last_pts[PTS_AUDIO]) {
- current_time=this->last_pts[PTS_AUDIO]/90000;
- }
-
- /*fixme, the file could grow, do something
- about this->time_length using get_lenght to verify, that the stream
- hasn` changed its length, otherwise no seek to "new" data is possible*/
-
- lprintf ("seek to time %d called\n",start_time);
- lprintf ("current time is %d\n",current_time);
-
- if (current_time > start_time) {
- /*seek between beginning and current_pos*/
-
- /*fixme - sometimes we seek backwards and during
- keyframeseeking, we undo the seek*/
-
- start_pos = start_time * current_pos
- / current_time ;
- } else {
- /*seek between current_pos and end*/
- start_pos = current_pos +
- ((start_time - current_time) *
- ( this->input->get_length(this->input) - current_pos ) /
- ( (this->time_length / 1000) - current_time)
- );
- }
-
- lprintf ("current_pos is %" PRId64 "\n",current_pos);
- lprintf ("new_pos is %" PRId64 "\n",start_pos);
-
- } else {
- /*seek using avg_bitrate*/
- start_pos = start_time * this->avg_bitrate/8;
- }
-
- lprintf ("seeking to %d seconds => %" PRId64 " bytes\n",
- start_time, start_pos);
-
- }
-
- ogg_sync_reset(&this->oy);
-
- for (i=0; i<this->num_streams; i++) {
- this->si[i]->header_granulepos = -1;
- ogg_stream_reset(&this->si[i]->oss);
- }
-
- /*some strange streams have no syncpoint flag set at the beginning*/
- if (start_pos == 0)
- this->keyframe_needed = 0;
-
- lprintf ("seek to %" PRId64 " called\n",start_pos);
-
- this->input->seek (this->input, start_pos, SEEK_SET);
-
- }
-
- /* fixme - this would be a nice position to do the following tasks
- 1. adjust an ogg videostream to a keyframe
- 2. compare the keyframe_pts with start_time. if the difference is to
- high (e.g. larger than max keyframe_intervall, do a new seek or
- continue reading
- 3. adjust the audiostreams in such a way, that the
- difference is not to high.
-
- In short words, do all the cleanups necessary to continue playback
- without further actions
- */
-
- this->send_newpts = 1;
- this->status = DEMUX_OK;
-
- if( !playing ) {
-
- this->buf_flag_seek = 0;
-
- } else {
- if (start_pos!=0) {
- this->buf_flag_seek = 1;
- /*each stream has to continue with a packet that has an
- granulepos*/
- for (i=0; i<this->num_streams; i++) {
- this->si[i]->resync = 1;
- }
-
- this->start_pts=-1;
- }
-
- _x_demux_flush_engine(this->stream);
- }
-
- return this->status;
-}
-
-static int demux_ogg_get_stream_length (demux_plugin_t *this_gen) {
-
- demux_ogg_t *this = (demux_ogg_t *) this_gen;
-
- if (this->time_length==-1){
- if (this->avg_bitrate) {
- return (int)((int64_t)1000 * this->input->get_length (this->input) * 8 /
- this->avg_bitrate);
- } else {
- return 0;
- }
- } else {
- return this->time_length;
- }
-}
-
-static uint32_t demux_ogg_get_capabilities(demux_plugin_t *this_gen) {
- demux_ogg_t *this = (demux_ogg_t *) this_gen;
- int cap_chapter = 0;
-
- if (this->chapter_info)
- cap_chapter = DEMUX_CAP_CHAPTERS;
-
- return DEMUX_CAP_SPULANG | DEMUX_CAP_AUDIOLANG | cap_chapter;
-}
-
-static int format_lang_string (demux_ogg_t * this, uint32_t buf_mask, uint32_t buf_type, int channel, char *str) {
- int stream_num;
-
- for (stream_num=0; stream_num<this->num_streams; stream_num++) {
- if ((this->si[stream_num]->buf_types & buf_mask) == buf_type) {
- if (this->si[stream_num]->language) {
- if (snprintf (str, XINE_LANG_MAX, "%s", this->si[stream_num]->language) >= XINE_LANG_MAX)
- /* the string got truncated */
- str[XINE_LANG_MAX - 2] = str[XINE_LANG_MAX - 3] = str[XINE_LANG_MAX - 4] = '.';
- /* TODO: provide long version in XINE_META_INFO_FULL_LANG */
- } else {
- snprintf(str, XINE_LANG_MAX, "channel %d",channel);
- }
- return DEMUX_OPTIONAL_SUCCESS;
- }
- }
- return DEMUX_OPTIONAL_UNSUPPORTED;
-}
-
-static int demux_ogg_get_optional_data(demux_plugin_t *this_gen,
- void *data, int data_type) {
-
- demux_ogg_t *this = (demux_ogg_t *) this_gen;
-
- char *str=(char *) data;
- int channel = *((int *)data);
-
- switch (data_type) {
- case DEMUX_OPTIONAL_DATA_SPULANG:
- lprintf ("DEMUX_OPTIONAL_DATA_SPULANG channel = %d\n",channel);
- if (channel==-1) {
- strcpy( str, "none");
- return DEMUX_OPTIONAL_SUCCESS;
- } else if ((channel>=0) && (channel<this->num_streams)) {
- return format_lang_string (this, 0xFFFFFFFF, BUF_SPU_OGM+channel, channel, str);
- }
- return DEMUX_OPTIONAL_UNSUPPORTED;
- case DEMUX_OPTIONAL_DATA_AUDIOLANG:
- lprintf ("DEMUX_OPTIONAL_DATA_AUDIOLANG channel = %d\n",channel);
- if (channel==-1) {
- return format_lang_string (this, 0xFF00001F, BUF_AUDIO_BASE, channel, str);
- } else if ((channel>=0) && (channel<this->num_streams)) {
- return format_lang_string (this, 0xFF00001F, BUF_AUDIO_BASE+channel, channel, str);
- }
- return DEMUX_OPTIONAL_UNSUPPORTED;
- default:
- return DEMUX_OPTIONAL_UNSUPPORTED;
- }
-}
-
-static int detect_ogg_content (int detection_method, demux_class_t *class_gen,
- input_plugin_t *input) {
-
- switch (detection_method) {
-
- case METHOD_BY_CONTENT: {
- uint8_t buf[4];
-
- if (_x_demux_read_header(input, buf, 4) != 4)
- return 0;
-
- return _x_is_fourcc(buf, "OggS");
- }
-
- case METHOD_BY_EXTENSION: {
- const char *extensions, *mrl;
-
- mrl = input->get_mrl (input);
- extensions = class_gen->get_extensions (class_gen);
-
- if (_x_demux_check_extension (mrl, extensions))
- return 1;
- else
- return 0;
- }
-
- case METHOD_EXPLICIT:
- return 1;
-
- default:
- return 0;
- }
-}
-
-static int detect_anx_content (int detection_method, demux_class_t *class_gen,
- input_plugin_t *input) {
-
- if (detect_ogg_content(detection_method, class_gen, input) == 0)
- return 0;
-
- switch (detection_method) {
-
-#define ANNODEX_SIGNATURE_SEARCH 128
-
- case METHOD_BY_CONTENT: {
- uint8_t buf[ANNODEX_SIGNATURE_SEARCH];
- int found_annodex_signature = 0;
- const char *annodex_signature = "Annodex";
- int annodex_signature_length = 7; /* = strlen(annodex_signature) */
- int i, j;
-
- if (_x_demux_read_header(input, buf, ANNODEX_SIGNATURE_SEARCH) !=
- ANNODEX_SIGNATURE_SEARCH)
- return 0;
-
- /* scan for 'Annodex' signature in the first 64 bytes */
- for (i = 0, j = 0; i < ANNODEX_SIGNATURE_SEARCH; i++) {
- if (buf[i] == annodex_signature[j]) {
- if (j >= annodex_signature_length) {
- /* found signature */
- found_annodex_signature = 1;
- break;
- } else {
- j++;
- }
- }
- }
-
- if (found_annodex_signature)
- return 1;
- else
- return 0;
- }
-
-#undef ANNODEX_SIGNATURE_SEARCH
-
- case METHOD_BY_EXTENSION: {
- const char *extensions, *mrl;
-
- mrl = input->get_mrl (input);
- extensions = class_gen->get_extensions (class_gen);
-
- if (_x_demux_check_extension (mrl, extensions))
- return 1;
- else
- return 0;
- }
-
- case METHOD_EXPLICIT:
- return 1;
-
- default:
- return 0;
- }
-}
-
-static demux_plugin_t *anx_open_plugin (demux_class_t *class_gen,
- xine_stream_t *stream,
- input_plugin_t *input) {
-
- demux_ogg_t *this;
- int i;
-
- if (detect_anx_content(stream->content_detection_method, class_gen, input) == 0)
- return NULL;
-
- /*
- * if we reach this point, the input has been accepted.
- */
-
- this = calloc(1, sizeof(demux_ogg_t));
- this->stream = stream;
- this->input = input;
-
- /* the Annodex demuxer currently calls into exactly the same functions as
- * the Ogg demuxer, which seems to make this function a bit redundant, but
- * this design leaves us a bit more room to change an Annodex demuxer's
- * behaviour in the future if necessary */
- this->demux_plugin.send_headers = demux_ogg_send_headers;
- this->demux_plugin.send_chunk = demux_ogg_send_chunk;
- this->demux_plugin.seek = demux_ogg_seek;
- this->demux_plugin.dispose = demux_ogg_dispose;
- this->demux_plugin.get_status = demux_ogg_get_status;
- this->demux_plugin.get_stream_length = demux_ogg_get_stream_length;
- this->demux_plugin.get_capabilities = demux_ogg_get_capabilities;
- this->demux_plugin.get_optional_data = demux_ogg_get_optional_data;
- this->demux_plugin.demux_class = class_gen;
-
- this->status = DEMUX_FINISHED;
-
-#ifdef HAVE_THEORA
- theora_info_init (&this->t_info);
- theora_comment_init (&this->t_comment);
-#endif
-
- for (i = 0; i < XINE_STREAM_INFO_MAX; ++i)
- this->meta[i] = NULL;
- this->chapter_info = 0;
- this->event_queue = xine_event_new_queue (this->stream);
-
- return &this->demux_plugin;
-}
-
-static demux_plugin_t *ogg_open_plugin (demux_class_t *class_gen,
- xine_stream_t *stream,
- input_plugin_t *input) {
-
- demux_ogg_t *this;
- int i;
-
- if (detect_ogg_content(stream->content_detection_method, class_gen, input) == 0)
- return NULL;
-
- /*
- * if we reach this point, the input has been accepted.
- */
-
- this = calloc(1, sizeof(demux_ogg_t));
- this->stream = stream;
- this->input = input;
-
- this->demux_plugin.send_headers = demux_ogg_send_headers;
- this->demux_plugin.send_chunk = demux_ogg_send_chunk;
- this->demux_plugin.seek = demux_ogg_seek;
- this->demux_plugin.dispose = demux_ogg_dispose;
- this->demux_plugin.get_status = demux_ogg_get_status;
- this->demux_plugin.get_stream_length = demux_ogg_get_stream_length;
- this->demux_plugin.get_capabilities = demux_ogg_get_capabilities;
- this->demux_plugin.get_optional_data = demux_ogg_get_optional_data;
- this->demux_plugin.demux_class = class_gen;
-
- this->status = DEMUX_FINISHED;
-
-#ifdef HAVE_THEORA
- theora_info_init (&this->t_info);
- theora_comment_init (&this->t_comment);
-#endif
-
- this->chapter_info = 0;
- for (i = 0; i < XINE_STREAM_INFO_MAX; ++i)
- this->meta[i] = NULL;
- this->event_queue = xine_event_new_queue (this->stream);
-
- return &this->demux_plugin;
-}
-
-/*
- * Annodex demuxer class
- */
-
-static const char *anx_get_description (demux_class_t *this_gen) {
- return "Annodex demux plugin";
-}
-
-static const char *anx_get_identifier (demux_class_t *this_gen) {
- return "Annodex";
-}
-
-static const char *anx_get_extensions (demux_class_t *this_gen) {
- return "anx axa axv";
-}
-
-static const char *anx_get_mimetypes (demux_class_t *this_gen) {
- return "application/annodex: anx: Annodex media;"
- "application/x-annodex: anx: Annodex media;"
- "audio/annodex: axa: Annodex audio;"
- "audio/x-annodex: axa: Annodex audio;"
- "video/annodex: axv: Annodex video;"
- "video/x-annodex: axv: Annodex video;";
-}
-
-static void anx_class_dispose (demux_class_t *this_gen) {
- demux_anx_class_t *this = (demux_anx_class_t *) this_gen;
-
- free (this);
-}
-
-static void *anx_init_class (xine_t *xine, void *data) {
- demux_anx_class_t *this;
-
- this = calloc(1, sizeof(demux_anx_class_t));
-
- this->demux_class.open_plugin = anx_open_plugin;
- this->demux_class.get_description = anx_get_description;
- this->demux_class.get_identifier = anx_get_identifier;
- this->demux_class.get_mimetypes = anx_get_mimetypes;
- this->demux_class.get_extensions = anx_get_extensions;
- this->demux_class.dispose = anx_class_dispose;
-
- return this;
-}
-
-/*
- * ogg demuxer class
- */
-
-static const char *ogg_get_description (demux_class_t *this_gen) {
- return "OGG demux plugin";
-}
-
-static const char *ogg_get_identifier (demux_class_t *this_gen) {
- return "OGG";
-}
-
-static const char *ogg_get_extensions (demux_class_t *this_gen) {
- return "ogx ogv oga ogg spx ogm";
-}
-
-static const char *ogg_get_mimetypes (demux_class_t *this_gen) {
- return "application/ogg: ogx: Ogg Stream;"
- "application/x-ogg: ogx: Ogg Stream;"
- "application/x-ogm: ogx: Ogg Stream;"
- "application/x-ogm-audio: oga: Ogg Audio;"
- "application/x-ogm-video: ogv: Ogg Video;"
- "audio/ogg: oga: Ogg Audio;"
- "audio/x-ogg: oga: Ogg Audio;"
- "video/ogg: ogv: Ogg Video;"
- "video/x-ogg: ogv: Ogg Video;";
-}
-
-static void ogg_class_dispose (demux_class_t *this_gen) {
- demux_ogg_class_t *this = (demux_ogg_class_t *) this_gen;
-
- free (this);
-}
-
-static void *ogg_init_class (xine_t *xine, void *data) {
- demux_ogg_class_t *this;
-
- this = calloc(1, sizeof(demux_ogg_class_t));
-
- this->demux_class.open_plugin = ogg_open_plugin;
- this->demux_class.get_description = ogg_get_description;
- this->demux_class.get_identifier = ogg_get_identifier;
- this->demux_class.get_mimetypes = ogg_get_mimetypes;
- this->demux_class.get_extensions = ogg_get_extensions;
- this->demux_class.dispose = ogg_class_dispose;
-
- return this;
-}
-
-/*
- * exported plugin catalog entry
- */
-static const demuxer_info_t demux_info_anx = {
- 20 /* priority */
-};
-
-static const demuxer_info_t demux_info_ogg = {
- 10 /* priority */
-};
-
-const plugin_info_t xine_plugin_info[] EXPORTED = {
- /* type, API, "name", version, special_info, init_function */
- { PLUGIN_DEMUX, 26, "ogg", XINE_VERSION_CODE, &demux_info_ogg, ogg_init_class },
- { PLUGIN_DEMUX, 26, "anx", XINE_VERSION_CODE, &demux_info_anx, anx_init_class },
- { PLUGIN_NONE, 0, "", 0, NULL, NULL }
-};