static int avformat_initialised = 0;
static pthread_mutex_t avformat_mutex;
+void *av_malloc( unsigned int size )
+{
+ return mlt_pool_alloc( size );
+}
+
+void *av_realloc( void *ptr, unsigned int size )
+{
+ return mlt_pool_realloc( ptr, size );
+}
+
+void av_free( void *ptr )
+{
+ return mlt_pool_release( ptr );
+}
+
/** Constructor for libavformat.
*/
// Initialise avformat if necessary
if ( avformat_initialised == 0 )
{
- pthread_mutex_init( &avformat_mutex, NULL );
avformat_initialised = 1;
+ pthread_mutex_init( &avformat_mutex, NULL );
av_register_all( );
}
int ignore = 0;
// Current time calcs
- double current_time = 0;
+ double current_time = mlt_properties_get_double( properties, "current_time" );
// We may want to use the source fps if available
double source_fps = mlt_properties_get_double( properties, "source_fps" );
av_seek_frame( context, -1, real_timecode * 1000000.0 );
// Remove the cached info relating to the previous position
- mlt_properties_set_double( properties, "current_time", 0 );
+ mlt_properties_set_double( properties, "current_time", real_timecode );
mlt_properties_set_data( properties, "current_image", NULL, 0, NULL, NULL );
}
}
// We only deal with video from the selected video_index
if ( ret >= 0 && pkt.stream_index == index && pkt.size > 0 )
{
- current_time = ( double )pkt.pts / 1000000.0;
-
// Decode the image
ret = avcodec_decode_video( codec_context, &frame, &got_picture, pkt.data, pkt.size );
if ( got_picture )
{
+ if ( pkt.pts != AV_NOPTS_VALUE && pkt.pts != 0 )
+ current_time = ( double )pkt.pts / 1000000.0;
+ else
+ current_time = real_timecode;
+
// Handle ignore
if ( current_time < real_timecode )
{
}
else if ( current_time >= real_timecode )
{
+ //current_time = real_timecode;
ignore = 0;
}
- else if ( got_picture && ignore -- )
+ else if ( ignore -- )
{
got_picture = 0;
}
// If we don't have a codec and we can't initialise it, we can't do much more...
if ( codec != NULL && avcodec_open( codec_context, codec ) >= 0 )
{
- double aspect_ratio = 0;
- double source_fps = 0;
-
- // Set aspect ratio
- if ( codec_context->sample_aspect_ratio.num == 0 )
- aspect_ratio = 0;
- else
- aspect_ratio = av_q2d( codec_context->sample_aspect_ratio ) * codec_context->width / codec_context->height;
-
- // XXX: This assumes square pixels!
- if (aspect_ratio <= 0.0)
- aspect_ratio = ( double )codec_context->width / ( double )codec_context->height;
-
- mlt_properties_set_double( properties, "aspect_ratio", aspect_ratio );
- fprintf( stderr, "AVFORMAT: sample aspect %f computed display aspect %f\n", av_q2d( codec_context->sample_aspect_ratio ), aspect_ratio );
-
- // Determine the fps
- source_fps = ( double )codec_context->frame_rate / codec_context->frame_rate_base;
-
- // We'll use fps if it's available
- if ( source_fps > 0 && source_fps < 30 )
- mlt_properties_set_double( properties, "source_fps", source_fps );
-
// Now store the codec with its destructor
mlt_properties_set_data( properties, "video_codec", codec_context, 0, producer_codec_close, NULL );
-
- // Set to the real timecode
- av_seek_frame( context, -1, 0 );
}
else
{
// No codec, no show...
if ( codec != NULL )
{
+ double aspect_ratio = 1;
+ double source_fps = 0;
+
+ // Set aspect ratio
+ if ( codec_context->sample_aspect_ratio.num > 0 )
+ aspect_ratio = av_q2d( codec_context->sample_aspect_ratio );
+
+ mlt_properties_set_double( properties, "aspect_ratio", aspect_ratio );
+ //fprintf( stderr, "AVFORMAT: sample aspect %f %dx%d\n", av_q2d( codec_context->sample_aspect_ratio ), codec_context->width, codec_context->height );
+
+ // Determine the fps
+ source_fps = ( double )codec_context->frame_rate / codec_context->frame_rate_base;
+
+ // We'll use fps if it's available
+ if ( source_fps > 0 && source_fps < 30 )
+ mlt_properties_set_double( properties, "source_fps", source_fps );
+
+ // Set the width and height
+ mlt_properties_set_int( frame_properties, "width", codec_context->width );
+ mlt_properties_set_int( frame_properties, "height", codec_context->height );
+
mlt_frame_push_get_image( frame, producer_get_image );
mlt_properties_set_data( frame_properties, "avformat_producer", this, 0, NULL, NULL );
}