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Commit 44cb59ea authored by Gildas Bazin's avatar Gildas Bazin
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* modules/demux/asf/* use index for seeking if available and if there's a video track.

parent 7149e064
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Showing with 113 additions and 49 deletions
modules/demux/asf/asf.c
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......@@ -91,6 +91,7 @@ struct demux_sys_t
int64_t i_data_begin;
int64_t i_data_end;
vlc_bool_t b_index;
vlc_meta_t *meta;
};
......@@ -145,10 +146,7 @@ static int Demux( demux_t *p_demux )
mtime_t i_time_begin = GetMoviePTS( p_sys );
int i_result;
if( p_demux->b_die )
{
break;
}
if( p_demux->b_die ) break;
/* Check if we have concatenated files */
if( stream_Peek( p_demux->s, &p_peek, 16 ) == 16 )
......@@ -186,10 +184,7 @@ static int Demux( demux_t *p_demux )
else
{
i_length = GetMoviePTS( p_sys ) - i_time_begin;
if( i_length < 0 || i_length >= 40 * 1000 )
{
break;
}
if( i_length < 0 || i_length >= 40 * 1000 ) break;
}
}
......@@ -215,44 +210,112 @@ static void Close( vlc_object_t * p_this )
free( p_demux->p_sys );
}
/*****************************************************************************
* SeekIndex: goto to i_date or i_percent
*****************************************************************************/
static int SeekIndex( demux_t *p_demux, mtime_t i_date, float f_pos )
{
demux_sys_t *p_sys = p_demux->p_sys;
asf_object_index_t *p_index;
int64_t i_pos;
msg_Dbg( p_demux, "seek with index: %i seconds, position %f",
(int)(i_date/1000000), f_pos );
p_index = ASF_FindObject( p_sys->p_root, &asf_object_index_guid, 0 );
if( i_date < 0 ) i_date = p_sys->i_length * f_pos;
i_pos = i_date * 10 / p_index->i_index_entry_time_interval;
i_pos = p_index->index_entry[i_pos].i_packet_number *
p_sys->p_fp->i_min_data_packet_size;
return stream_Seek( p_demux->s, p_sys->i_data_begin + i_pos );
}
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = p_demux->p_sys;
int64_t *pi64;
vlc_meta_t *p_meta;
int64_t i64, *pi64;
double f, *pf;
int i;
vlc_meta_t *p_meta;
switch( i_query )
{
case DEMUX_SET_TIME:
return VLC_EGENERIC;
case DEMUX_GET_LENGTH:
pi64 = (int64_t*)va_arg( args, int64_t * );
*pi64 = p_sys->i_length;
return VLC_SUCCESS;
case DEMUX_GET_LENGTH:
pi64 = (int64_t*)va_arg( args, int64_t * );
*pi64 = p_sys->i_length;
return VLC_SUCCESS;
case DEMUX_GET_TIME:
pi64 = (int64_t*)va_arg( args, int64_t * );
if( p_sys->i_time < 0 ) return VLC_EGENERIC;
*pi64 = p_sys->i_time;
return VLC_SUCCESS;
case DEMUX_SET_TIME:
p_sys->i_time = -1;
for( i = 0; i < 128 ; i++ )
if( p_sys->track[i] ) p_sys->track[i]->i_time = -1;
if( p_sys->b_index && p_sys->i_length > 0 )
{
i64 = (int64_t)va_arg( args, int64_t );
return SeekIndex( p_demux, i64, -1 );
}
else
{
return demux2_vaControlHelper( p_demux->s, p_sys->i_data_begin,
p_sys->i_data_end, p_sys->i_bitrate,
p_sys->p_fp->i_min_data_packet_size,
i_query, args );
}
case DEMUX_GET_META:
p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
vlc_meta_Merge( p_meta, p_sys->meta );
case DEMUX_GET_POSITION:
if( p_sys->i_time < 0 ) return VLC_EGENERIC;
if( p_sys->i_length > 0 )
{
pf = (double*)va_arg( args, double * );
*pf = p_sys->i_time / (double)p_sys->i_length;
return VLC_SUCCESS;
}
return demux2_vaControlHelper( p_demux->s, p_sys->i_data_begin,
p_sys->i_data_end, p_sys->i_bitrate,
p_sys->p_fp->i_min_data_packet_size,
i_query, args );
case DEMUX_SET_POSITION:
p_sys->i_time = -1;
for( i = 0; i < 128 ; i++ )
{
asf_track_t *tk = p_sys->track[i];
if( tk ) tk->i_time = -1;
}
case DEMUX_SET_POSITION:
p_sys->i_time = -1;
for( i = 0; i < 128 ; i++ )
if( p_sys->track[i] ) p_sys->track[i]->i_time = -1;
default:
return demux2_vaControlHelper( p_demux->s,
p_sys->i_data_begin, p_sys->i_data_end,
p_sys->i_bitrate, p_sys->p_fp->i_min_data_packet_size,
if( p_sys->b_index && p_sys->i_length > 0 )
{
f = (double)va_arg( args, double );
return SeekIndex( p_demux, -1, f );
}
else
{
return demux2_vaControlHelper( p_demux->s, p_sys->i_data_begin,
p_sys->i_data_end, p_sys->i_bitrate,
p_sys->p_fp->i_min_data_packet_size,
i_query, args );
}
case DEMUX_GET_META:
p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
vlc_meta_Merge( p_meta, p_sys->meta );
return VLC_SUCCESS;
default:
return demux2_vaControlHelper( p_demux->s, p_sys->i_data_begin,
p_sys->i_data_end, p_sys->i_bitrate,
p_sys->p_fp->i_min_data_packet_size,
i_query, args );
}
}
......@@ -261,24 +324,17 @@ static int Control( demux_t *p_demux, int i_query, va_list args )
*****************************************************************************/
static mtime_t GetMoviePTS( demux_sys_t *p_sys )
{
mtime_t i_time;
mtime_t i_time = -1;
int i;
i_time = -1;
for( i = 0; i < 128 ; i++ )
{
asf_track_t *tk = p_sys->track[i];
if( tk && tk->p_es && tk->i_time > 0)
{
if( i_time < 0 )
{
i_time = tk->i_time;
}
else
{
i_time = __MIN( i_time, tk->i_time );
}
if( i_time < 0 ) i_time = tk->i_time;
else i_time = __MIN( i_time, tk->i_time );
}
}
......@@ -390,6 +446,7 @@ static int DemuxPacket( demux_t *p_demux )
{
asf_track_t *tk;
int i_packet_keyframe;
int i_stream_number;
int i_media_object_number;
int i_media_object_offset;
......@@ -408,8 +465,8 @@ static int DemuxPacket( demux_t *p_demux )
break;
}
i_stream_number = p_peek[i_skip] & 0x7f;
i_skip++;
i_packet_keyframe = p_peek[i_skip] >> 7;
i_stream_number = p_peek[i_skip++] & 0x7f;
GETVALUE2b( i_packet_property >> 4, i_media_object_number, 0 );
GETVALUE2b( i_packet_property >> 2, i_tmp, 0 );
......@@ -584,11 +641,11 @@ loop_error_recovery:
static int DemuxInit( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
vlc_bool_t b_seekable;
int i;
unsigned int i_stream;
vlc_bool_t b_seekable;
unsigned int i_stream, i;
asf_object_content_description_t *p_cd;
asf_object_index_t *p_index;
vlc_bool_t b_index;
/* init context */
p_sys->i_time = -1;
......@@ -596,6 +653,7 @@ static int DemuxInit( demux_t *p_demux )
p_sys->i_bitrate = 0;
p_sys->p_root = NULL;
p_sys->p_fp = NULL;
p_sys->b_index = 0;
p_sys->i_track = 0;
for( i = 0; i < 128; i++ )
{
......@@ -607,7 +665,7 @@ static int DemuxInit( demux_t *p_demux )
/* Now load all object ( except raw data ) */
stream_Control( p_demux->s, STREAM_CAN_FASTSEEK, &b_seekable );
if( (p_sys->p_root = ASF_ReadObjectRoot( p_demux->s, b_seekable )) == NULL )
if( !(p_sys->p_root = ASF_ReadObjectRoot(p_demux->s, b_seekable)) )
{
msg_Warn( p_demux, "ASF plugin discarded (not a valid file)" );
return VLC_EGENERIC;
......@@ -628,6 +686,10 @@ static int DemuxInit( demux_t *p_demux )
goto error;
}
/* check if index is available */
p_index = ASF_FindObject( p_sys->p_root, &asf_object_index_guid, 0 );
b_index = p_index && p_index->i_index_entry_count;
msg_Dbg( p_demux, "found %d streams", p_sys->i_track );
for( i_stream = 0; i_stream < p_sys->i_track; i_stream ++ )
......@@ -764,6 +826,9 @@ static int DemuxInit( demux_t *p_demux )
tk->p_es = es_out_Add( p_demux->out, &fmt );
es_format_Clean( &fmt );
/* If there is a video track then use the index for seeking */
p_sys->b_index = b_index;
msg_Dbg( p_demux, "added new video stream(ID:%d)",
p_sp->i_stream_number );
}
......@@ -833,7 +898,6 @@ static int DemuxInit( demux_t *p_demux )
p_sys->i_data_end = -1;
}
/* go to first packet */
stream_Seek( p_demux->s, p_sys->i_data_begin );
......
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