/*****************************************************************************
* demux.c: demuxer using ffmpeg (libavformat).
*****************************************************************************
- * Copyright (C) 2004-2007 the VideoLAN team
+ * Copyright (C) 2004-2009 the VideoLAN team
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
#include <vlc_meta.h>
#include <vlc_input.h>
#include <vlc_charset.h>
+#include <vlc_avcodec.h>
/* ffmpeg header */
#if defined(HAVE_LIBAVFORMAT_AVFORMAT_H)
#include "../../codec/avcodec/avcodec.h"
#include "avformat.h"
+#include "../xiph.h"
+#include "../vobsub.h"
//#define AVFORMAT_DEBUG 1
int64_t i_pcr_inc;
int i_pcr_tk;
+ unsigned i_ssa_order;
+
int i_attachments;
input_attachment_t **attachments;
static int IORead( void *opaque, uint8_t *buf, int buf_size );
static int64_t IOSeek( void *opaque, int64_t offset, int whence );
+static block_t *BuildSsaFrame( const AVPacket *p_pkt, unsigned i_order );
static void UpdateSeekPoint( demux_t *p_demux, int64_t i_time );
/*****************************************************************************
AVProbeData pd;
AVInputFormat *fmt;
unsigned int i;
- bool b_avfmt_nofile;
int64_t i_start_time = -1;
/* Init Probe data */
pd.filename = p_demux->psz_path;
- if( ( pd.buf_size = stream_Peek( p_demux->s, &pd.buf, 2048 ) ) <= 0 )
+ if( ( pd.buf_size = stream_Peek( p_demux->s, &pd.buf, 2048 + 213 ) ) <= 0 )
{
msg_Warn( p_demux, "cannot peek" );
return VLC_EGENERIC;
}
+ vlc_avcodec_lock();
av_register_all(); /* Can be called several times */
+ vlc_avcodec_unlock();
/* Guess format */
if( !( fmt = av_probe_input_format( &pd, 1 ) ) )
p_sys->tk = NULL;
p_sys->i_pcr_tk = -1;
p_sys->i_pcr = -1;
+ p_sys->i_ssa_order = 0;
TAB_INIT( p_sys->i_attachments, p_sys->attachments);
p_sys->p_title = NULL;
init_put_byte( &p_sys->io, p_sys->io_buffer, p_sys->io_buffer_size,
0, &p_sys->url, IORead, NULL, IOSeek );
- b_avfmt_nofile = p_sys->fmt->flags & AVFMT_NOFILE;
- p_sys->fmt->flags |= AVFMT_NOFILE; /* libavformat must not fopen/fclose */
-
/* Open it */
if( av_open_input_stream( &p_sys->ic, &p_sys->io, p_demux->psz_path,
p_sys->fmt, NULL ) )
{
msg_Err( p_demux, "av_open_input_stream failed" );
- if( !b_avfmt_nofile ) p_sys->fmt->flags ^= AVFMT_NOFILE;
CloseDemux( p_this );
return VLC_EGENERIC;
}
+ vlc_avcodec_lock(); /* avformat calls avcodec behind our back!!! */
if( av_find_stream_info( p_sys->ic ) < 0 )
{
- msg_Err( p_demux, "av_find_stream_info failed" );
- if( !b_avfmt_nofile ) p_sys->fmt->flags ^= AVFMT_NOFILE;
- CloseDemux( p_this );
- return VLC_EGENERIC;
+ vlc_avcodec_unlock();
+ msg_Warn( p_demux, "av_find_stream_info failed" );
}
- if( !b_avfmt_nofile ) p_sys->fmt->flags ^= AVFMT_NOFILE;
+ vlc_avcodec_unlock();
for( i = 0; i < p_sys->ic->nb_streams; i++ )
{
- AVCodecContext *cc = p_sys->ic->streams[i]->codec;
+ AVStream *s = p_sys->ic->streams[i];
+ AVCodecContext *cc = s->codec;
+
es_out_id_t *es;
es_format_t fmt;
vlc_fourcc_t fcc;
{
case CODEC_TYPE_AUDIO:
es_format_Init( &fmt, AUDIO_ES, fcc );
+ fmt.i_bitrate = cc->bit_rate;
fmt.audio.i_channels = cc->channels;
fmt.audio.i_rate = cc->sample_rate;
#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
case CODEC_TYPE_SUBTITLE:
es_format_Init( &fmt, SPU_ES, fcc );
+ if( strncmp( p_sys->ic->iformat->name, "matroska", 8 ) == 0 &&
+ cc->codec_id == CODEC_ID_DVD_SUBTITLE &&
+ cc->extradata != NULL &&
+ cc->extradata_size > 0 )
+ {
+ char *psz_start;
+ char *psz_buf = malloc( cc->extradata_size + 1);
+ if( psz_buf != NULL )
+ {
+ memcpy( psz_buf, cc->extradata , cc->extradata_size );
+ psz_buf[cc->extradata_size] = '\0';
+
+ psz_start = strstr( psz_buf, "size:" );
+ if( psz_start &&
+ vobsub_size_parse( psz_start,
+ &fmt.subs.spu.i_original_frame_width,
+ &fmt.subs.spu.i_original_frame_height ) == VLC_SUCCESS )
+ {
+ msg_Dbg( p_demux, "original frame size: %dx%d",
+ fmt.subs.spu.i_original_frame_width,
+ fmt.subs.spu.i_original_frame_height );
+ }
+ else
+ {
+ msg_Warn( p_demux, "reading original frame size failed" );
+ }
+
+ psz_start = strstr( psz_buf, "palette:" );
+ if( psz_start &&
+ vobsub_palette_parse( psz_start, &fmt.subs.spu.palette[1] ) == VLC_SUCCESS )
+ {
+ fmt.subs.spu.palette[0] = 0xBeef;
+ msg_Dbg( p_demux, "vobsub palette read" );
+ }
+ else
+ {
+ msg_Warn( p_demux, "reading original palette failed" );
+ }
+ free( psz_buf );
+ }
+ }
+
psz_type = "subtitle";
break;
psz_type = "attachment";
if( cc->codec_id == CODEC_ID_TTF )
{
- p_attachment = vlc_input_attachment_New( p_sys->ic->streams[i]->filename, "application/x-truetype-font", NULL,
+ p_attachment = vlc_input_attachment_New( s->filename, "application/x-truetype-font", NULL,
cc->extradata, (int)cc->extradata_size );
TAB_APPEND( p_sys->i_attachments, p_sys->attachments, p_attachment );
}
msg_Warn( p_demux, "unsupported track type in ffmpeg demux" );
break;
}
- fmt.psz_language = strdup( p_sys->ic->streams[i]->language );
+ fmt.psz_language = strdup( s->language );
+ if( s->disposition & AV_DISPOSITION_DEFAULT )
+ fmt.i_priority = 1000;
#ifdef HAVE_FFMPEG_CODEC_ATTACHMENT
if( cc->codec_type != CODEC_TYPE_ATTACHMENT )
#endif
{
- fmt.i_extra = cc->extradata_size;
- fmt.p_extra = cc->extradata;
+ const bool b_ogg = !strcmp( p_sys->fmt->name, "ogg" );
+ const uint8_t *p_extra = cc->extradata;
+ unsigned i_extra = cc->extradata_size;
+
+ if( cc->codec_id == CODEC_ID_THEORA && b_ogg )
+ {
+ unsigned pi_size[3];
+ void *pp_data[3];
+ unsigned i_count;
+ for( i_count = 0; i_count < 3; i_count++ )
+ {
+ if( i_extra < 2 )
+ break;
+ pi_size[i_count] = GetWBE( p_extra );
+ pp_data[i_count] = (uint8_t*)&p_extra[2];
+ if( i_extra < pi_size[i_count] + 2 )
+ break;
+
+ p_extra += 2 + pi_size[i_count];
+ i_extra -= 2 + pi_size[i_count];
+ }
+ if( i_count > 0 && xiph_PackHeaders( &fmt.i_extra, &fmt.p_extra,
+ pi_size, pp_data, i_count ) )
+ {
+ fmt.i_extra = 0;
+ fmt.p_extra = NULL;
+ }
+ }
+ else if( cc->codec_id == CODEC_ID_SPEEX && b_ogg )
+ {
+ uint8_t p_dummy_comment[] = {
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ };
+ unsigned pi_size[2];
+ void *pp_data[2];
+
+ pi_size[0] = i_extra;
+ pp_data[0] = (uint8_t*)p_extra;
+
+ pi_size[1] = sizeof(p_dummy_comment);
+ pp_data[1] = p_dummy_comment;
+
+ if( pi_size[0] > 0 && xiph_PackHeaders( &fmt.i_extra, &fmt.p_extra,
+ pi_size, pp_data, 2 ) )
+ {
+ fmt.i_extra = 0;
+ fmt.p_extra = NULL;
+ }
+ }
+ else if( cc->extradata_size > 0 )
+ {
+ fmt.p_extra = malloc( i_extra );
+ if( fmt.p_extra )
+ {
+ fmt.i_extra = i_extra;
+ memcpy( fmt.p_extra, p_extra, i_extra );
+ }
+ }
}
es = es_out_Add( p_demux->out, &fmt );
+ if( s->disposition & AV_DISPOSITION_DEFAULT )
+ es_out_Control( p_demux->out, ES_OUT_SET_ES_DEFAULT, es );
+ es_format_Clean( &fmt );
msg_Dbg( p_demux, "adding es: %s codec = %4.4s",
psz_type, (char*)&fcc );
( p_sys->ic->duration != (int64_t)AV_NOPTS_VALUE ) ?
p_sys->ic->duration * 1000000 / AV_TIME_BASE : -1 );
-#if HAVE_FFMPEG_CHAPTERS
- p_sys->p_title = vlc_input_title_New();
+#ifdef HAVE_FFMPEG_CHAPTERS
+ if( p_sys->ic->nb_chapters > 0 )
+ p_sys->p_title = vlc_input_title_New();
for( i = 0; i < p_sys->ic->nb_chapters; i++ )
{
seekpoint_t *s = vlc_seekpoint_New();
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
- bool b_avfmt_nofile;
FREENULL( p_sys->tk );
- b_avfmt_nofile = p_sys->fmt->flags & AVFMT_NOFILE;
- p_sys->fmt->flags |= AVFMT_NOFILE; /* libavformat must not fopen/fclose */
- if( p_sys->ic ) av_close_input_file( p_sys->ic );
- if( !b_avfmt_nofile ) p_sys->fmt->flags ^= AVFMT_NOFILE;
+ if( p_sys->ic ) av_close_input_stream( p_sys->ic );
for( int i = 0; i < p_sys->i_attachments; i++ )
free( p_sys->attachments[i] );
av_free_packet( &pkt );
return 1;
}
- if( ( p_frame = block_New( p_demux, pkt.size ) ) == NULL )
+ const AVStream *p_stream = p_sys->ic->streams[pkt.stream_index];
+ if( p_stream->codec->codec_id == CODEC_ID_SSA )
{
- return 0;
+ p_frame = BuildSsaFrame( &pkt, p_sys->i_ssa_order++ );
+ if( !p_frame )
+ return 1;
+ }
+ else
+ {
+ if( ( p_frame = block_New( p_demux, pkt.size ) ) == NULL )
+ return 0;
+ memcpy( p_frame->p_buffer, pkt.data, pkt.size );
}
-
- memcpy( p_frame->p_buffer, pkt.data, pkt.size );
if( pkt.flags & PKT_FLAG_KEY )
p_frame->i_flags |= BLOCK_FLAG_TYPE_I;
( p_sys->ic->start_time * 1000000 / AV_TIME_BASE ) : 0;
p_frame->i_dts = ( pkt.dts == (int64_t)AV_NOPTS_VALUE ) ?
- 0 : (pkt.dts) * 1000000 *
- p_sys->ic->streams[pkt.stream_index]->time_base.num /
- p_sys->ic->streams[pkt.stream_index]->time_base.den - i_start_time;
+ VLC_TS_INVALID : (pkt.dts) * 1000000 *
+ p_stream->time_base.num /
+ p_stream->time_base.den - i_start_time + VLC_TS_0;
p_frame->i_pts = ( pkt.pts == (int64_t)AV_NOPTS_VALUE ) ?
- 0 : (pkt.pts) * 1000000 *
- p_sys->ic->streams[pkt.stream_index]->time_base.num /
- p_sys->ic->streams[pkt.stream_index]->time_base.den - i_start_time;
- if( pkt.duration > 0 )
+ VLC_TS_INVALID : (pkt.pts) * 1000000 *
+ p_stream->time_base.num /
+ p_stream->time_base.den - i_start_time + VLC_TS_0;
+ if( pkt.duration > 0 && p_frame->i_length <= 0 )
p_frame->i_length = pkt.duration * 1000000 *
- p_sys->ic->streams[pkt.stream_index]->time_base.num /
- p_sys->ic->streams[pkt.stream_index]->time_base.den - i_start_time;
+ p_stream->time_base.num /
+ p_stream->time_base.den;
+ if( pkt.dts != AV_NOPTS_VALUE && pkt.dts == pkt.pts &&
+ p_stream->codec->codec_type == CODEC_TYPE_VIDEO )
+ {
+ /* Add here notoriously bugged file formats/samples regarding PTS */
+ if( !strcmp( p_sys->fmt->name, "flv" ) )
+ p_frame->i_pts = VLC_TS_INVALID;
+ }
#ifdef AVFORMAT_DEBUG
msg_Dbg( p_demux, "tk[%d] dts=%"PRId64" pts=%"PRId64,
pkt.stream_index, p_frame->i_dts, p_frame->i_pts );
#endif
- if( pkt.dts > 0 &&
+ if( p_frame->i_dts > VLC_TS_INVALID &&
( pkt.stream_index == p_sys->i_pcr_tk || p_sys->i_pcr_tk < 0 ) )
{
p_sys->i_pcr_tk = pkt.stream_index;
}
}
+static block_t *BuildSsaFrame( const AVPacket *p_pkt, unsigned i_order )
+{
+ if( p_pkt->size <= 0 )
+ return NULL;
+
+ char buffer[256];
+ const size_t i_buffer_size = __MIN( sizeof(buffer) - 1, p_pkt->size );
+ memcpy( buffer, p_pkt->data, i_buffer_size );
+ buffer[i_buffer_size] = '\0';
+
+ /* */
+ int i_layer;
+ int h0, m0, s0, c0;
+ int h1, m1, s1, c1;
+ int i_position = 0;
+ if( sscanf( buffer, "Dialogue: %d,%d:%d:%d.%d,%d:%d:%d.%d,%n", &i_layer,
+ &h0, &m0, &s0, &c0, &h1, &m1, &s1, &c1, &i_position ) < 9 )
+ return NULL;
+ if( i_position <= 0 || i_position >= i_buffer_size )
+ return NULL;
+
+ char *p;
+ if( asprintf( &p, "%u,%d,%.*s", i_order, i_layer, p_pkt->size - i_position, p_pkt->data + i_position ) < 0 )
+ return NULL;
+
+ block_t *p_frame = block_heap_Alloc( p, p, strlen(p) + 1 );
+ if( p_frame )
+ p_frame->i_length = CLOCK_FREQ * ((h1 - h1) * 3600 +
+ (m1-m0) * 60 +
+ (s1-s0) * 1) +
+ CLOCK_FREQ * (c1-c0) / 100;
+ return p_frame;
+}
+
/*****************************************************************************
* Control:
*****************************************************************************/
i64 = stream_Size( p_demux->s );
if( i64 > 0 )
{
- *pf = (double)stream_Tell( p_demux->s ) / (double)i64;
+ double current = stream_Tell( p_demux->s );
+ *pf = current / (double)i64;
}
if( (p_sys->ic->duration != (int64_t)AV_NOPTS_VALUE) && (p_sys->i_pcr > 0) )
case DEMUX_SET_POSITION:
f = (double) va_arg( args, double );
- i64 = stream_Tell( p_demux->s );
if( p_sys->i_pcr > 0 )
{
i64 = p_sys->ic->duration * f;
(av_seek_frame( p_sys->ic, -1, i64, 0 ) < 0) )
{
int64_t i_size = stream_Size( p_demux->s );
+ i64 = (i_size * f);
msg_Warn( p_demux, "DEMUX_SET_BYTE_POSITION: %"PRId64, i64 );
- if( av_seek_frame( p_sys->ic, -1, (i_size * f), AVSEEK_FLAG_BYTE ) < 0 )
+ if( av_seek_frame( p_sys->ic, -1, i64, AVSEEK_FLAG_BYTE ) < 0 )
return VLC_EGENERIC;
}
- UpdateSeekPoint( p_demux, i64 );
+ else
+ {
+ UpdateSeekPoint( p_demux, i64 );
+ }
p_sys->i_pcr = -1; /* Invalidate time display */
}
return VLC_SUCCESS;
case DEMUX_GET_LENGTH:
pi64 = (int64_t*)va_arg( args, int64_t * );
if( p_sys->ic->duration != (int64_t)AV_NOPTS_VALUE )
- {
- *pi64 = p_sys->ic->duration;
- }
- else *pi64 = 0;
+ *pi64 = p_sys->ic->duration * 1000000 / AV_TIME_BASE;
+ else
+ *pi64 = 0;
return VLC_SUCCESS;
case DEMUX_GET_TIME:
UpdateSeekPoint( p_demux, i64 );
return VLC_SUCCESS;
+ case DEMUX_HAS_UNSUPPORTED_META:
+ {
+ bool *pb_bool = (bool*)va_arg( args, bool* );
+ *pb_bool = true;
+ return VLC_SUCCESS;
+ }
+
+
case DEMUX_GET_META:
{
vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
{
URLContext *p_url = opaque;
demux_t *p_demux = p_url->priv_data;
- int64_t i_absolute = (int64_t)offset;
+ int64_t i_absolute;
int64_t i_size = stream_Size( p_demux->s );
#ifdef AVFORMAT_DEBUG
return -1;
}
+
if( i_absolute < 0 )
- i_absolute = 0;
+ {
+ msg_Dbg( p_demux, "Trying to seek before the beginning" );
+ return -1;
+ }
if( i_size > 0 && i_absolute >= i_size )
{
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