[6fa58e]: src / demuxers / demux_ogg.c Maximize Restore History

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demux_ogg.c    2205 lines (1768 with data), 69.7 kB

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/*
* 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 *title;
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 *)xine_xmalloc(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) {
printf("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;
int op_size = sizeof(ogg_packet);
while (done<todo) {
int 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;
}
/*
* utility function to read a LANGUAGE= line from the user_comments,
* to label audio and spu streams
*/
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=") );
}
++ptr;
}
}
vorbis_comment_clear(&vc);
vorbis_info_clear(&vi);
}
/*
* utility function to read CHAPTER*= and TITLE= from the user_comments,
* to name parts of the videostream
*/
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 ( !strncasecmp ("TITLE=", comment,6) ) {
this->title = strdup (comment + strlen ("TITLE=") );
_x_meta_info_set(this->stream, XINE_META_INFO_TITLE, this->title);
}
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 *)xine_xmalloc(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;
}
++ptr;
}
}
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_event_t uevent;
xine_ui_data_t data;
int title_len;
char *title;
this->chapter_info->current_chapter = chapter;
if (chapter >= 0) {
char t_title[256];
if (this->title) {
snprintf(t_title, sizeof (t_title), "%s / %s", this->title, this->chapter_info->entries[chapter].name);
} else {
snprintf(t_title, sizeof (t_title), "%s", this->chapter_info->entries[chapter].name);
}
title = t_title;
} else {
title = this->title;
}
_x_meta_info_set(this->stream, XINE_META_INFO_TITLE, title);
lprintf("new TITLE: %s\n", title);
uevent.type = XINE_EVENT_UI_SET_TITLE;
uevent.stream = this->stream;
uevent.data = &data;
uevent.data_length = sizeof(data);
title_len = strlen(title) + 1;
memcpy(data.str, title, title_len);
data.str_len = title_len;
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_LE_32(&op->packet[96]) == 0x05589f80) && (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_LE_32(&op->packet[96]) == 0x05589F81) {
#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;
/* Packet type */
_x_assert(op->packet[0] == 0x7F);
/* OggFLAC signature */
_x_assert(op->packet[1] == 'F'); _x_assert(op->packet[2] == 'L');
_x_assert(op->packet[3] == 'A'); _x_assert(op->packet[4] == 'C');
/* Version: supported only 1.0 */
_x_assert(op->packet[5] == 1); _x_assert(op->packet[6] == 0);
/* Header count */
this->si[stream_num]->headers = 0/*_X_BE_16(&op->packet[7]) +1*/;
/* fLaC signature */
_x_assert(op->packet[9] == 'f'); _x_assert(op->packet[10] == 'L');
_x_assert(op->packet[11] == 'a'); _x_assert(op->packet[12] == 'C');
_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);
break;
}
this->si[stream_num]->buf_types = BUF_AUDIO_FLAC
+this->num_audio_streams++;
_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);
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;
char content_type[1024];
int content_type_length;
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-Tyoe" MIME header */
sscanf(&op->packet[28], "Content-Type: %1023s\r\n", content_type);
content_type_length = strlen(content_type);
lprintf("Content-Type: %s (length:%d)\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)) {
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;
}
/* 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);
}
if (this->title){
free (this->title);
}
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;
if ((buf[0] == 'O') && (buf[1] == 'g') && (buf[2] == 'g') &&
(buf[3] == 'S'))
return 1;
else
return 0;
}
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;
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 = xine_xmalloc (sizeof (demux_ogg_t));
memset (this, 0, 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
this->chapter_info = 0;
this->title = 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;
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 = xine_xmalloc (sizeof (demux_ogg_t));
memset (this, 0, 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;
this->title = 0;
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/x-annodex: ogg: Annodex media;";
}
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 = xine_xmalloc (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 "ogg ogm spx";
}
static const char *ogg_get_mimetypes (demux_class_t *this_gen) {
return "audio/x-ogg: ogg: OggVorbis Audio;"
"audio/x-speex: ogg: Speex Audio;"
"application/x-ogg: ogg: Ogg Stream;"
"application/ogg: ogg: Ogg Stream;";
}
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 = xine_xmalloc (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 }
};