/*****************************************************************************
* 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_demux.h>
#include <vlc_stream.h>
#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 <ffmpeg/avformat.h>
#endif
-#include "../../codec/avcodec/fourcc.h"
-#include "../../codec/avcodec/chroma.h"
+#include "../../codec/avcodec/avcodec.h"
#include "avformat.h"
+#include "../vobsub.h"
//#define AVFORMAT_DEBUG 1
# define HAVE_FFMPEG_CODEC_ATTACHMENT 1
#endif
+#if (LIBAVFORMAT_VERSION_INT >= ((52<<16)+(15<<8)+0) )
+# define HAVE_FFMPEG_CHAPTERS 1
+#endif
+
/*****************************************************************************
* demux_sys_t: demux descriptor
*****************************************************************************/
int64_t i_pcr;
int64_t i_pcr_inc;
int i_pcr_tk;
+
+ int i_attachments;
+ input_attachment_t **attachments;
+
+ /* Only one title with seekpoints possible atm. */
+ input_title_t *p_title;
};
/*****************************************************************************
static int Control( demux_t *p_demux, int i_query, va_list args );
static int IORead( void *opaque, uint8_t *buf, int buf_size );
-static offset_t IOSeek( void *opaque, offset_t offset, int whence );
+static int64_t IOSeek( void *opaque, int64_t offset, int whence );
+
+static void UpdateSeekPoint( demux_t *p_demux, int64_t i_time );
/*****************************************************************************
* Open
demux_sys_t *p_sys;
AVProbeData pd;
AVInputFormat *fmt;
- unsigned int i;
- bool b_avfmt_nofile;
+ unsigned int i;
+ bool b_avfmt_nofile;
+ int64_t i_start_time = -1;
/* Init Probe data */
pd.filename = p_demux->psz_path;
p_sys->tk = NULL;
p_sys->i_pcr_tk = -1;
p_sys->i_pcr = -1;
+ TAB_INIT( p_sys->i_attachments, p_sys->attachments);
+ p_sys->p_title = NULL;
/* Create I/O wrapper */
p_sys->io_buffer_size = 32768; /* FIXME */
(int (*) (URLContext *, unsigned char *, int))IORead;
p_sys->url.prot->url_write = 0;
p_sys->url.prot->url_seek =
- (offset_t (*) (URLContext *, offset_t, int))IOSeek;
+ (int64_t (*) (URLContext *, int64_t, int))IOSeek;
p_sys->url.prot->url_close = 0;
p_sys->url.prot->next = 0;
init_put_byte( &p_sys->io, p_sys->io_buffer, p_sys->io_buffer_size,
return VLC_EGENERIC;
}
+ vlc_avcodec_lock(); /* avformat calls avcodec behind our back!!! */
if( av_find_stream_info( p_sys->ic ) < 0 )
{
+ vlc_avcodec_unlock();
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();
if( !b_avfmt_nofile ) p_sys->fmt->flags ^= AVFMT_NOFILE;
for( i = 0; i < p_sys->ic->nb_streams; i++ )
const char *psz_type = "unknown";
if( !GetVlcFourcc( cc->codec_id, NULL, &fcc, NULL ) )
- {
fcc = VLC_FOURCC( 'u', 'n', 'd', 'f' );
- /* Special case for raw video data */
- if( cc->codec_id == CODEC_ID_RAWVIDEO )
- {
- msg_Dbg( p_demux, "raw video, pixel format: %i", cc->pix_fmt );
- fcc = GetVlcChroma( cc->pix_fmt );
- }
- }
-
switch( cc->codec_type )
{
case CODEC_TYPE_AUDIO:
es_format_Init( &fmt, AUDIO_ES, fcc );
fmt.audio.i_channels = cc->channels;
fmt.audio.i_rate = cc->sample_rate;
+#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
fmt.audio.i_bitspersample = cc->bits_per_sample;
+#else
+ fmt.audio.i_bitspersample = cc->bits_per_coded_sample;
+#endif
fmt.audio.i_blockalign = cc->block_align;
psz_type = "audio";
break;
+
case CODEC_TYPE_VIDEO:
es_format_Init( &fmt, VIDEO_ES, fcc );
+
+ /* Special case for raw video data */
+ if( cc->codec_id == CODEC_ID_RAWVIDEO )
+ {
+ msg_Dbg( p_demux, "raw video, pixel format: %i", cc->pix_fmt );
+ if( GetVlcChroma( &fmt.video, cc->pix_fmt ) != VLC_SUCCESS)
+ {
+ msg_Err( p_demux, "was unable to find a FourCC match for raw video" );
+ }
+ else
+ fmt.i_codec = fmt.video.i_chroma;
+ }
+
fmt.video.i_width = cc->width;
fmt.video.i_height = cc->height;
if( cc->palctrl )
}
psz_type = "video";
break;
+
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;
default:
es_format_Init( &fmt, UNKNOWN_ES, 0 );
- if( cc->codec_type == CODEC_TYPE_DATA )
- psz_type = "data";
#ifdef HAVE_FFMPEG_CODEC_ATTACHMENT
- else if( cc->codec_type == CODEC_TYPE_ATTACHMENT )
+ if( cc->codec_type == CODEC_TYPE_ATTACHMENT )
+ {
+ input_attachment_t *p_attachment;
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,
+ cc->extradata, (int)cc->extradata_size );
+ TAB_APPEND( p_sys->i_attachments, p_sys->attachments, p_attachment );
+ }
+ else msg_Warn( p_demux, "unsupported attachment type in ffmpeg demux" );
+ }
+ break;
#endif
+
+ if( cc->codec_type == CODEC_TYPE_DATA )
+ psz_type = "data";
+
msg_Warn( p_demux, "unsupported track type in ffmpeg demux" );
break;
}
+ fmt.psz_language = p_sys->ic->streams[i]->language;
- fmt.psz_language = strdup( p_sys->ic->streams[i]->language );
- fmt.i_extra = cc->extradata_size;
- fmt.p_extra = cc->extradata;
+#ifdef HAVE_FFMPEG_CODEC_ATTACHMENT
+ if( cc->codec_type != CODEC_TYPE_ATTACHMENT )
+#endif
+ {
+ fmt.i_extra = cc->extradata_size;
+ fmt.p_extra = cc->extradata;
+ }
es = es_out_Add( p_demux->out, &fmt );
msg_Dbg( p_demux, "adding es: %s codec = %4.4s",
psz_type, (char*)&fcc );
TAB_APPEND( p_sys->i_tk, p_sys->tk, es );
}
+ if( p_sys->ic->start_time != (int64_t)AV_NOPTS_VALUE )
+ i_start_time = p_sys->ic->start_time * 1000000 / AV_TIME_BASE;
msg_Dbg( p_demux, "AVFormat supported stream" );
msg_Dbg( p_demux, " - format = %s (%s)",
p_sys->fmt->name, p_sys->fmt->long_name );
- msg_Dbg( p_demux, " - start time = %"PRId64,
- ( p_sys->ic->start_time != (int64_t)AV_NOPTS_VALUE ) ?
- p_sys->ic->start_time * 1000000 / AV_TIME_BASE : -1 );
+ msg_Dbg( p_demux, " - start time = %"PRId64, i_start_time );
msg_Dbg( p_demux, " - duration = %"PRId64,
( p_sys->ic->duration != (int64_t)AV_NOPTS_VALUE ) ?
p_sys->ic->duration * 1000000 / AV_TIME_BASE : -1 );
+#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();
+
+ if( p_sys->ic->chapters[i]->title )
+ {
+ s->psz_name = strdup( p_sys->ic->chapters[i]->title );
+ EnsureUTF8( s->psz_name );
+ msg_Dbg( p_demux, " - chapter %d: %s", i, s->psz_name );
+ }
+ s->i_time_offset = p_sys->ic->chapters[i]->start * 1000000 *
+ p_sys->ic->chapters[i]->time_base.num /
+ p_sys->ic->chapters[i]->time_base.den -
+ (i_start_time != -1 ? i_start_time : 0 );
+ TAB_APPEND( p_sys->p_title->i_seekpoint, p_sys->p_title->seekpoint, s );
+ }
+#endif
+
return VLC_SUCCESS;
}
if( p_sys->ic ) av_close_input_file( p_sys->ic );
if( !b_avfmt_nofile ) p_sys->fmt->flags ^= AVFMT_NOFILE;
+ for( int i = 0; i < p_sys->i_attachments; i++ )
+ free( p_sys->attachments[i] );
+ TAB_CLEAN( p_sys->i_attachments, p_sys->attachments);
+
+ if( p_sys->p_title )
+ vlc_input_title_Delete( p_sys->p_title );
+
free( p_sys->io_buffer );
free( p_sys );
}
av_free_packet( &pkt );
return 1;
}
+ const AVStream *p_stream = p_sys->ic->streams[pkt.stream_index];
+
if( ( p_frame = block_New( p_demux, pkt.size ) ) == NULL )
{
return 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;
+ p_stream->time_base.num /
+ p_stream->time_base.den - i_start_time;
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;
-
+ p_stream->time_base.num /
+ p_stream->time_base.den - i_start_time;
+ if( pkt.duration > 0 )
+ p_frame->i_length = pkt.duration * 1000000 *
+ p_stream->time_base.num /
+ p_stream->time_base.den - i_start_time;
+
+ 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 = 0;
+ }
#ifdef AVFORMAT_DEBUG
msg_Dbg( p_demux, "tk[%d] dts=%"PRId64" pts=%"PRId64,
pkt.stream_index, p_frame->i_dts, p_frame->i_pts );
}
es_out_Send( p_demux->out, p_sys->tk[pkt.stream_index], p_frame );
+
+ UpdateSeekPoint( p_demux, p_sys->i_pcr);
av_free_packet( &pkt );
return 1;
}
+static void UpdateSeekPoint( demux_t *p_demux, int64_t i_time )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ int i;
+
+ if( !p_sys->p_title )
+ return;
+
+ for( i = 0; i < p_sys->p_title->i_seekpoint; i++ )
+ {
+ if( i_time < p_sys->p_title->seekpoint[i]->i_time_offset )
+ break;
+ }
+ i--;
+
+ if( i != p_demux->info.i_seekpoint && i >= 0 )
+ {
+ p_demux->info.i_seekpoint = i;
+ p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
+ }
+}
+
/*****************************************************************************
* Control:
*****************************************************************************/
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 = (int64_t)i_size * f;
+ i64 = (i_size * f);
msg_Warn( p_demux, "DEMUX_SET_BYTE_POSITION: %"PRId64, i64 );
if( av_seek_frame( p_sys->ic, -1, i64, AVSEEK_FLAG_BYTE ) < 0 )
return VLC_EGENERIC;
}
- es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
+ else
+ {
+ UpdateSeekPoint( p_demux, i64 );
+ }
p_sys->i_pcr = -1; /* Invalidate time display */
}
return VLC_SUCCESS;
case DEMUX_SET_TIME:
i64 = (int64_t)va_arg( args, int64_t );
+ i64 = i64 *AV_TIME_BASE / 1000000;
if( p_sys->ic->start_time != (int64_t)AV_NOPTS_VALUE )
i64 += p_sys->ic->start_time;
{
return VLC_EGENERIC;
}
- es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
p_sys->i_pcr = -1; /* Invalidate time display */
+ 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* );
return VLC_SUCCESS;
}
+ case DEMUX_GET_ATTACHMENTS:
+ {
+ input_attachment_t ***ppp_attach =
+ (input_attachment_t***)va_arg( args, input_attachment_t*** );
+ int *pi_int = (int*)va_arg( args, int * );
+ int i;
+
+ if( p_sys->i_attachments <= 0 )
+ return VLC_EGENERIC;
+
+ *pi_int = p_sys->i_attachments;;
+ *ppp_attach = malloc( sizeof(input_attachment_t**) * p_sys->i_attachments );
+ for( i = 0; i < p_sys->i_attachments; i++ )
+ (*ppp_attach)[i] = vlc_input_attachment_Duplicate( p_sys->attachments[i] );
+ return VLC_SUCCESS;
+ }
+
+ case DEMUX_GET_TITLE_INFO:
+ {
+ input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
+ int *pi_int = (int*)va_arg( args, int* );
+ int *pi_title_offset = (int*)va_arg( args, int* );
+ int *pi_seekpoint_offset = (int*)va_arg( args, int* );
+
+ if( !p_sys->p_title )
+ return VLC_EGENERIC;
+
+ *pi_int = 1;
+ *ppp_title = malloc( sizeof( input_title_t**) );
+ (*ppp_title)[0] = vlc_input_title_Duplicate( p_sys->p_title );
+ *pi_title_offset = 0;
+ *pi_seekpoint_offset = 0;
+ return VLC_SUCCESS;
+ }
+ case DEMUX_SET_TITLE:
+ {
+ const int i_title = (int)va_arg( args, int );
+ if( !p_sys->p_title || i_title != 0 )
+ return VLC_EGENERIC;
+ return VLC_SUCCESS;
+ }
+ case DEMUX_SET_SEEKPOINT:
+ {
+ const int i_seekpoint = (int)va_arg( args, int );
+ if( !p_sys->p_title )
+ return VLC_EGENERIC;
+
+ i64 = p_sys->p_title->seekpoint[i_seekpoint]->i_time_offset *AV_TIME_BASE / 1000000;
+ if( p_sys->ic->start_time != (int64_t)AV_NOPTS_VALUE )
+ i64 += p_sys->ic->start_time;
+
+ msg_Warn( p_demux, "DEMUX_SET_TIME: %"PRId64, i64 );
+
+ if( av_seek_frame( p_sys->ic, -1, i64, 0 ) < 0 )
+ {
+ return VLC_EGENERIC;
+ }
+ p_sys->i_pcr = -1; /* Invalidate time display */
+ UpdateSeekPoint( p_demux, i64 );
+ return VLC_SUCCESS;
+ }
+
+
default:
return VLC_EGENERIC;
}
{
URLContext *p_url = opaque;
demux_t *p_demux = p_url->priv_data;
+ if( buf_size < 0 ) return -1;
int i_ret = stream_Read( p_demux->s, buf, buf_size );
return i_ret ? i_ret : -1;
}
-static offset_t IOSeek( void *opaque, offset_t offset, int whence )
+static int64_t IOSeek( void *opaque, int64_t offset, int whence )
{
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 i_size;
#endif
case SEEK_SET:
+ i_absolute = (int64_t)offset;
break;
case SEEK_CUR:
- i_absolute = stream_Tell( p_demux->s ) + offset;
+ i_absolute = stream_Tell( p_demux->s ) + (int64_t)offset;
break;
case SEEK_END:
- i_absolute = i_size + offset;
+ i_absolute = i_size + (int64_t)offset;
break;
default:
return -1;
}
+
if( i_absolute < 0 )
- i_absolute = 0;
- if( i_size )
{
- if( i_absolute > i_size )
- i_absolute = i_size;
- if( stream_Tell( p_demux->s ) >= i_size )
- {
- msg_Err( p_demux, "Seeking too far : EOF?" );
- return -1;
- }
+ msg_Dbg( p_demux, "Trying to seek before the beginning" );
+ return -1;
+ }
+
+ if( i_size > 0 && i_absolute >= i_size )
+ {
+ msg_Dbg( p_demux, "Trying to seek too far : EOF?" );
+ return -1;
}
if( stream_Seek( p_demux->s, i_absolute ) )
{
+ msg_Warn( p_demux, "we were not allowed to seek, or EOF " );
return -1;
}
projects / vlc / blobdiff