}
// Now attempt to open the file
- error = av_open_input_file( &context, file, format, 0, params );
- error = error < 0;
+ error = av_open_input_file( &context, file, format, 0, params ) < 0;
// Cleanup AVFormatParameters
free( standard );
// Store selected audio and video indexes on properties
mlt_properties_set_int( properties, "audio_index", audio_index );
mlt_properties_set_int( properties, "video_index", video_index );
+
+ // Fetch the width, height and aspect ratio
+ if ( video_index != -1 )
+ {
+ AVCodecContext *codec_context = context->streams[ video_index ]->codec;
+ mlt_properties_set_int( properties, "width", codec_context->width );
+ mlt_properties_set_int( properties, "height", codec_context->height );
+ mlt_properties_set_double( properties, "aspect_ratio", av_q2d( codec_context->sample_aspect_ratio ) );
+ }
// We're going to cheat here - for a/v files, we will have two contexts (reasoning will be clear later)
if ( av == 0 && !av_bypass && audio_index != -1 && video_index != -1 )
static inline void convert_image( AVFrame *frame, uint8_t *buffer, int pix_fmt, mlt_image_format format, int width, int height )
{
- // EXPERIMENTAL IMAGE NORMALISATIONS
- if ( pix_fmt == PIX_FMT_YUV420P && format == mlt_image_yuv422 )
- {
- register int i, j;
- register int half = width >> 1;
- register uint8_t *Y = ( ( AVPicture * )frame )->data[ 0 ];
- register uint8_t *U = ( ( AVPicture * )frame )->data[ 1 ];
- register uint8_t *V = ( ( AVPicture * )frame )->data[ 2 ];
- register uint8_t *d = buffer;
- register uint8_t *y, *u, *v;
-
- i = height >> 1;
- while ( i -- )
- {
- y = Y;
- u = U;
- v = V;
- j = half;
- while ( j -- )
- {
- *d ++ = *y ++;
- *d ++ = *u ++;
- *d ++ = *y ++;
- *d ++ = *v ++;
- }
-
- Y += ( ( AVPicture * )frame )->linesize[ 0 ];
- y = Y;
- u = U;
- v = V;
- j = half;
- while ( j -- )
- {
- *d ++ = *y ++;
- *d ++ = *u ++;
- *d ++ = *y ++;
- *d ++ = *v ++;
- }
-
- Y += ( ( AVPicture * )frame )->linesize[ 0 ];
- U += ( ( AVPicture * )frame )->linesize[ 1 ];
- V += ( ( AVPicture * )frame )->linesize[ 2 ];
- }
- }
- else if ( format == mlt_image_yuv420p )
+ if ( format == mlt_image_yuv420p )
{
AVPicture pict;
pict.data[0] = buffer;
// Seek if necessary
if ( position != expected )
{
- if ( position + 1 == expected )
+ if ( av_frame != NULL && position + 1 == expected )
{
// We're paused - use last image
paused = 1;
}
}
- // Duplicate the last image if necessary
- if ( av_frame != NULL && ( paused || mlt_properties_get_double( properties, "_current_time" ) >= real_timecode ) &&
- av_bypass == 0 )
+ // Duplicate the last image if necessary (see comment on rawvideo below)
+ if ( av_frame != NULL && ( paused || mlt_properties_get_double( properties, "_current_time" ) >= real_timecode ) && av_bypass == 0 )
{
// Duplicate it
convert_image( av_frame, *buffer, codec_context->pix_fmt, *format, *width, *height );
int must_decode = 1;
// Temporary hack to improve intra frame only
- if ( !strcmp( codec_context->codec->name, "mjpeg" ) )
+ if ( !strcmp( codec_context->codec->name, "mjpeg" ) || !strcmp( codec_context->codec->name, "rawvideo" ) )
must_decode = 0;
- memset( &pkt, 0, sizeof( pkt ) );
+ av_init_packet( &pkt );
// Construct an AVFrame for YUV422 conversion
if ( av_frame == NULL )
{
- av_frame = calloc( 1, sizeof( AVFrame ) );
- mlt_properties_set_data( properties, "av_frame", av_frame, 0, free, NULL );
+ av_frame = avcodec_alloc_frame( );
+ mlt_properties_set_data( properties, "av_frame", av_frame, 0, av_free, NULL );
}
while( ret >= 0 && !got_picture )
{
got_picture = 0;
}
- mlt_properties_set_int( properties, "top_field_first", av_frame->top_field_first );
}
}
- // We're finished with this packet regardless
- av_free_packet( &pkt );
- }
+ // Now handle the picture if we have one
+ if ( got_picture )
+ {
+ mlt_properties_set_int( frame_properties, "progressive", !av_frame->interlaced_frame );
+ mlt_properties_set_int( frame_properties, "top_field_first", av_frame->top_field_first );
- // Now handle the picture if we have one
- if ( got_picture )
- {
- convert_image( av_frame, *buffer, codec_context->pix_fmt, *format, *width, *height );
+ convert_image( av_frame, *buffer, codec_context->pix_fmt, *format, *width, *height );
- mlt_properties_set_data( frame_properties, "image", *buffer, size, (mlt_destructor)mlt_pool_release, NULL );
+ mlt_properties_set_data( frame_properties, "image", *buffer, size, (mlt_destructor)mlt_pool_release, NULL );
- if ( current_time == 0 && source_fps != 0 )
- {
- double fps = mlt_properties_get_double( properties, "fps" );
- current_time = ceil( source_fps * ( double )position / fps ) * ( 1 / source_fps );
- mlt_properties_set_double( properties, "_current_time", current_time );
- }
- else
- {
- mlt_properties_set_double( properties, "_current_time", current_time );
+ if ( current_time == 0 && source_fps != 0 )
+ {
+ double fps = mlt_properties_get_double( properties, "fps" );
+ current_time = ceil( source_fps * ( double )position / fps ) * ( 1 / source_fps );
+ mlt_properties_set_double( properties, "_current_time", current_time );
+ }
+ else
+ {
+ mlt_properties_set_double( properties, "_current_time", current_time );
+ }
}
+
+ // We're finished with this packet regardless
+ av_free_packet( &pkt );
}
}
-
+
+ // Very untidy - for rawvideo, the packet contains the frame, hence the free packet
+ // above will break the pause behaviour - so we wipe the frame now
+ if ( !strcmp( codec_context->codec->name, "rawvideo" ) )
+ mlt_properties_set_data( properties, "av_frame", NULL, 0, NULL, NULL );
+
// Set the field order property for this frame
- mlt_properties_set_int( frame_properties, "top_field_first",
- mlt_properties_get_int( properties, "top_field_first" ) );
+ mlt_properties_set_int( frame_properties, "top_field_first", mlt_properties_get_int( properties, "top_field_first" ) );
// Regardless of speed, we expect to get the next frame (cos we ain't too bright)
mlt_properties_set_position( properties, "_video_expected", position + 1 );
int got_audio = 0;
int16_t *temp = mlt_pool_alloc( sizeof( int16_t ) * AVCODEC_MAX_AUDIO_FRAME_SIZE );
- memset( &pkt, 0, sizeof( pkt ) );
+ av_init_packet( &pkt );
while( ret >= 0 && !got_audio )
{
{
mlt_frame_push_audio( frame, producer_get_audio );
mlt_properties_set_data( frame_properties, "avformat_producer", this, 0, NULL, NULL );
+ mlt_properties_set_int( frame_properties, "frequency", codec_context->sample_rate );
+ mlt_properties_set_int( frame_properties, "channels", codec_context->channels );
}
}
}
projects / melted / blobdiff