Commit e5ea2f0a authored by Gildas Bazin's avatar Gildas Bazin

* modules/codec/ffmpeg/demux.c: improvements.
* modules/codec/ffmpeg/ffmpeg.c: added a few fourccs.
parent b2c5adbc
......@@ -2,7 +2,7 @@
* demux.c: demuxer using ffmpeg (libavformat).
*****************************************************************************
* Copyright (C) 2004 VideoLAN
* $Id: demux.c,v 1.1 2004/01/08 00:12:50 gbazin Exp $
* $Id: demux.c,v 1.2 2004/01/08 21:48:43 gbazin Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Gildas Bazin <gbazin@netcourrier.com>
......@@ -51,6 +51,8 @@ struct demux_sys_t
AVInputFormat *fmt;
AVFormatContext *ic;
URLContext url;
URLProtocol prot;
int i_tk;
es_out_id_t **tk;
......@@ -123,8 +125,17 @@ int E_(OpenDemux)( vlc_object_t *p_this )
/* Create I/O wrapper */
p_sys->io_buffer_size = 32768; /* FIXME */
p_sys->io_buffer = malloc( p_sys->io_buffer_size );
p_sys->url.priv_data = p_demux;
p_sys->url.prot = &p_sys->prot;
p_sys->url.prot->name = "VLC I/O wrapper";
p_sys->url.prot->url_open = 0;
p_sys->url.prot->url_read = IORead;
p_sys->url.prot->url_write = 0;
p_sys->url.prot->url_seek = 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,
0, p_demux, IORead, NULL, IOSeek );
0, &p_sys->url, IORead, NULL, IOSeek );
p_sys->fmt->flags |= AVFMT_NOFILE; /* libavformat must not fopen/fclose */
......@@ -156,16 +167,20 @@ int E_(OpenDemux)( vlc_object_t *p_this )
{
case CODEC_TYPE_AUDIO:
es_format_Init( &fmt, AUDIO_ES, fcc );
fmt.audio.i_channels = cc->channels;
fmt.audio.i_rate = cc->sample_rate;
fmt.audio.i_bitspersample = cc->bits_per_sample;
fmt.audio.i_blockalign = cc->block_align;
break;
case CODEC_TYPE_VIDEO:
es_format_Init( &fmt, VIDEO_ES, fcc );
fmt.video.i_width = cc->width;
fmt.video.i_height = cc->height;
break;
default:
break;
}
fmt.video.i_width = cc->width;
fmt.video.i_height = cc->height;
fmt.i_extra = cc->extradata_size;
fmt.p_extra = cc->extradata;
es = es_out_Add( p_demux->out, &fmt );
......@@ -179,10 +194,12 @@ int E_(OpenDemux)( vlc_object_t *p_this )
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=%lld",
p_sys->ic->start_time / AV_TIME_BASE );
msg_Dbg( p_demux, " - duration = %lld",
p_sys->ic->duration / AV_TIME_BASE );
msg_Dbg( p_demux, " - start time = "I64Fd,
( p_sys->ic->start_time != AV_NOPTS_VALUE ) ?
p_sys->ic->start_time * 1000000 / AV_TIME_BASE : -1 );
msg_Dbg( p_demux, " - duration = "I64Fd,
( p_sys->ic->duration != AV_NOPTS_VALUE ) ?
p_sys->ic->duration * 1000000 / AV_TIME_BASE : -1 );
return VLC_SUCCESS;
}
......@@ -209,6 +226,7 @@ static int Demux( demux_t *p_demux )
demux_sys_t *p_sys = p_demux->p_sys;
AVPacket pkt;
block_t *p_frame;
int64_t i_start_time;
/* Read a frame */
if( av_read_frame( p_sys->ic, &pkt ) )
......@@ -226,16 +244,23 @@ static int Demux( demux_t *p_demux )
}
memcpy( p_frame->p_buffer, pkt.data, pkt.size );
p_frame->i_dts = pkt.dts * 1000000 / AV_TIME_BASE;
p_frame->i_pts = pkt.pts * 1000000 / AV_TIME_BASE;
msg_Dbg( p_demux, "tk[%d] dts=%lld pts=%lld",
i_start_time = ( p_sys->ic->start_time != AV_NOPTS_VALUE ) ?
p_sys->ic->start_time : 0;
p_frame->i_dts = ( pkt.dts == AV_NOPTS_VALUE ) ?
0 : (pkt.dts - i_start_time) * 1000000 / AV_TIME_BASE;
p_frame->i_pts = ( pkt.pts == AV_NOPTS_VALUE ) ?
0 : (pkt.pts - i_start_time) * 1000000 / AV_TIME_BASE;
msg_Dbg( p_demux, "tk[%d] dts="I64Fd" pts="I64Fd,
pkt.stream_index, p_frame->i_dts, p_frame->i_pts );
if( pkt.dts > 0 &&
if( pkt.dts >= 0 &&
( pkt.stream_index == p_sys->i_pcr_tk || p_sys->i_pcr_tk < 0 ) )
{
{
p_sys->i_pcr_tk = pkt.stream_index;
p_sys->i_pcr = pkt.dts;
p_sys->i_pcr = pkt.dts - i_start_time;
es_out_Control( p_demux->out, ES_OUT_SET_PCR, (int64_t)p_sys->i_pcr );
}
......@@ -271,15 +296,24 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
case DEMUX_SET_POSITION:
f = (double) va_arg( args, double );
i64 = stream_Size( p_demux->s );
es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
av_seek_frame( p_sys->ic, -1, -1 );
if( stream_Seek( p_demux->s, (int64_t)(i64 * f) ) )
i64 = stream_Tell( p_demux->s );
if( i64 && p_sys->i_pcr )
{
return VLC_EGENERIC;
int64_t i_size = stream_Size( p_demux->s );
i64 = p_sys->i_pcr * i_size / i64 * f;
if( p_sys->ic->start_time != AV_NOPTS_VALUE )
i64 += p_sys->ic->start_time;
msg_Warn( p_demux, "DEMUX_SET_POSITION: "I64Fd, i64 );
if( av_seek_frame( p_sys->ic, -1, i64 ) )
{
return VLC_EGENERIC;
}
es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
p_sys->i_pcr = -1; /* Invalidate time display */
}
p_sys->i_pcr = -1; /* Invalidate time display */
return VLC_SUCCESS;
case DEMUX_GET_TIME:
......@@ -289,10 +323,16 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
case DEMUX_SET_TIME:
i64 = (int64_t)va_arg( args, int64_t );
if( p_sys->ic->start_time != AV_NOPTS_VALUE )
i64 += p_sys->ic->start_time;
msg_Warn( p_demux, "DEMUX_SET_TIME: "I64Fd, i64 );
if( av_seek_frame( p_sys->ic, -1, i64 ) < 0 )
{
return VLC_EGENERIC;
}
es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
p_sys->i_pcr = -1; /* Invalidate time display */
return VLC_SUCCESS;
......@@ -306,15 +346,19 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
*****************************************************************************/
static int IORead( void *opaque, uint8_t *buf, int buf_size )
{
demux_t *p_demux = opaque;
URLContext *p_url = opaque;
demux_t *p_demux = p_url->priv_data;
return stream_Read( p_demux->s, buf, buf_size );
}
static int IOSeek( void *opaque, offset_t offset, int whence )
{
demux_t *p_demux = opaque;
URLContext *p_url = opaque;
demux_t *p_demux = p_url->priv_data;
int64_t i_absolute;
msg_Warn( p_demux, "IOSeek offset: "I64Fd", whence: %i", offset, whence );
switch( whence )
{
case SEEK_SET:
......
......@@ -2,7 +2,7 @@
* ffmpeg.c: video decoder using ffmpeg library
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
* $Id: ffmpeg.c,v 1.71 2004/01/08 15:11:35 gbazin Exp $
* $Id: ffmpeg.c,v 1.72 2004/01/08 21:48:43 gbazin Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Gildas Bazin <gbazin@netcourrier.com>
......@@ -461,6 +461,9 @@ static struct
{ VLC_FOURCC( 'm', 'j', 'p', 'b' ), CODEC_ID_MJPEGB, /* for mov file */
VIDEO_ES, "Motion JPEG B Video" },
{ VLC_FOURCC( 'S', 'P', '5', 'X' ), CODEC_ID_SP5X,
VIDEO_ES, "Sunplus Motion JPEG Video" },
/* DV */
{ VLC_FOURCC('d','v','s','l'), CODEC_ID_DVVIDEO,
VIDEO_ES, "DV Video" },
......@@ -575,6 +578,15 @@ static struct
VIDEO_ES, "Cinepak Video" },
#endif
/* 4X Technologies */
{ VLC_FOURCC('4','x','m','v'), CODEC_ID_4XM,
VIDEO_ES, "4X Technologies Video" },
/* Duck TrueMotion */
{ VLC_FOURCC('D','U','C','K'), CODEC_ID_TRUEMOTION1,
VIDEO_ES, "Duck TrueMotion v1 Video" },
/*
* Audio Codecs
*/
......@@ -627,7 +639,10 @@ static struct
{ VLC_FOURCC('m','p','4','a'), CODEC_ID_AAC,
AUDIO_ES, "MPEG AAC Audio" },
#if 0
/* 4X Technologies */
{ VLC_FOURCC('4','x','m','a'), CODEC_ID_ADPCM_4XM,
AUDIO_ES, "4X Technologies Audio" },
/* PCM */
{ VLC_FOURCC('s','8',' ',' '), CODEC_ID_PCM_S8,
AUDIO_ES, "PCM S8" },
......@@ -645,7 +660,6 @@ static struct
AUDIO_ES, "PCM ALAW" },
{ VLC_FOURCC('u','l','a','w'), CODEC_ID_PCM_MULAW,
AUDIO_ES, "PCM ULAW" },
#endif
{0}
};
......
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