X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_frame.c;h=914ef854b7f808de8deaa031e5d7cb0e22811b31;hb=b9481bb114ff8bfff85e5097a57438c855b30e1e;hp=12a66d6bbb25c839081ec9b25e5a9a25367e0a43;hpb=9b6540065980faa29d412eadae56a461c80ad5c2;p=melted diff --git a/src/framework/mlt_frame.c b/src/framework/mlt_frame.c index 12a66d6..914ef85 100644 --- a/src/framework/mlt_frame.c +++ b/src/framework/mlt_frame.c @@ -267,6 +267,7 @@ int mlt_frame_get_image( mlt_frame this, uint8_t **buffer, mlt_image_format *for if ( get_image != NULL ) { + mlt_properties_set_int( properties, "image_count", mlt_properties_get_int( properties, "image_count" ) - 1 ); mlt_position position = mlt_frame_get_position( this ); error = get_image( this, buffer, format, width, height, writable ); mlt_frame_set_position( this, position ); @@ -312,7 +313,7 @@ int mlt_frame_get_image( mlt_frame this, uint8_t **buffer, mlt_image_format *for mlt_properties_set_int( properties, "width", *width ); mlt_properties_set_int( properties, "height", *height ); - mlt_properties_set_int( properties, "aspect_ratio", 1 ); + mlt_properties_set_int( properties, "aspect_ratio", 0 ); switch( *format ) { @@ -971,8 +972,8 @@ int mlt_frame_mix_audio( mlt_frame this, mlt_frame that, float weight_start, flo int i, j; double d = 0, s = 0; - mlt_frame_get_audio( this, &dest, format, &frequency_dest, &channels_dest, &samples_dest ); mlt_frame_get_audio( that, &src, format, &frequency_src, &channels_src, &samples_src ); + mlt_frame_get_audio( this, &dest, format, &frequency_dest, &channels_dest, &samples_dest ); int silent = mlt_properties_get_int( MLT_FRAME_PROPERTIES( this ), "silent_audio" ); mlt_properties_set_int( MLT_FRAME_PROPERTIES( this ), "silent_audio", 0 ); @@ -1020,6 +1021,7 @@ int mlt_frame_mix_audio( mlt_frame this, mlt_frame that, float weight_start, flo return ret; } +/* Will this break when mlt_position is converted to double? -Zach */ int mlt_sample_calculator( float fps, int frequency, int64_t position ) { int samples = 0; @@ -1065,3 +1067,32 @@ int mlt_sample_calculator( float fps, int frequency, int64_t position ) return samples; } + +int64_t mlt_sample_calculator_to_now( float fps, int frequency, int64_t frame ) +{ + int64_t samples = 0; + + // TODO: Correct rules for NTSC and drop the * 100 hack + if ( ( int )( fps * 100 ) == 2997 ) + { + samples = ( ( double )( frame * frequency ) / 30 ); + switch( frequency ) + { + case 48000: + samples += 2 * ( frame / 5 ); + break; + case 44100: + samples += frame + ( frame / 2 ) - ( frame / 30 ) + ( frame / 300 ); + break; + case 32000: + samples += ( 2 * frame ) - ( frame / 4 ) - ( frame / 29 ); + break; + } + } + else if ( fps != 0 ) + { + samples = ( ( frame * frequency ) / ( int )fps ); + } + + return samples; +}