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avformat: attachment support for fonts. 

And only fonts so far.
This commit is contained in:
Derk-Jan Hartman 2008-09-17 23:01:16 +02:00
parent 9e852e7bcc
commit 8c5a9c7231
1 changed files with 45 additions and 5 deletions
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50
modules/demux/avformat/demux.c
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@ -34,6 +34,7 @@
#include <vlc_demux.h>
#include <vlc_stream.h>
#include <vlc_meta.h>
#include <vlc_input.h>
/* ffmpeg header */
#if defined(HAVE_LIBAVFORMAT_AVFORMAT_H)
@ -75,6 +76,9 @@ struct demux_sys_t
int64_t i_pcr;
int64_t i_pcr_inc;
int i_pcr_tk;
int i_attachments;
input_attachment_t **attachments;
};
/*****************************************************************************
@ -158,6 +162,7 @@ int OpenDemux( vlc_object_t *p_this )
p_sys->tk = NULL;
p_sys->i_pcr_tk = -1;
p_sys->i_pcr = -1;
TAB_INIT( p_sys->i_attachments, p_sys->attachments);
/* Create I/O wrapper */
p_sys->io_buffer_size = 32768; /* FIXME */
@ -209,6 +214,22 @@ int OpenDemux( vlc_object_t *p_this )
if( !GetVlcFourcc( cc->codec_id, NULL, &fcc, NULL ) )
fcc = VLC_FOURCC( 'u', 'n', 'd', 'f' );
#ifdef HAVE_FFMPEG_CODEC_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" );
}
continue; /* Not a real track. nothing left to do here */
#endif
switch( cc->codec_type )
{
case CODEC_TYPE_AUDIO:
@ -223,6 +244,7 @@ int OpenDemux( vlc_object_t *p_this )
fmt.audio.i_blockalign = cc->block_align;
psz_type = "audio";
break;
case CODEC_TYPE_VIDEO:
es_format_Init( &fmt, VIDEO_ES, fcc );
@ -247,6 +269,7 @@ int OpenDemux( vlc_object_t *p_this )
}
psz_type = "video";
break;
case CODEC_TYPE_SUBTITLE:
es_format_Init( &fmt, SPU_ES, fcc );
psz_type = "subtitle";
@ -256,14 +279,10 @@ int OpenDemux( vlc_object_t *p_this )
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 )
psz_type = "attachment";
#endif
msg_Warn( p_demux, "unsupported track type in ffmpeg demux" );
break;
}
fmt.psz_language = strdup( p_sys->ic->streams[i]->language );
fmt.i_extra = cc->extradata_size;
fmt.p_extra = cc->extradata;
@ -303,6 +322,10 @@ void CloseDemux( vlc_object_t *p_this )
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);
free( p_sys->io_buffer );
free( p_sys );
}
@ -476,6 +499,23 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
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;
}
default:
return VLC_EGENERIC;
}