media-libs/mlt : version bump

1 files changed, 169 insertions, 0 deletions

diff --git a/media-libs/mlt/files/mlt-6.12.0-rgb-to-yuv-accuracy.patch b/media-libs/mlt/files/mlt-6.12.0-rgb-to-yuv-accuracy.patch
new file mode 100644
index 00000000..d0930c5a
--- /dev/null
+++ b/media-libs/mlt/files/mlt-6.12.0-rgb-to-yuv-accuracy.patch
@@ -0,0 +1,169 @@
+From adc5a2284b3a1073cb364c5f07d1d7c97e94c937 Mon Sep 17 00:00:00 2001
+From: Dan Dennedy <dan@dennedy.org>
+Date: Fri, 30 Nov 2018 15:26:15 -0800
+Subject: [PATCH] Fix color accuracy of RGB->YUV conversion.
+
+Fixes https://github.com/mltframework/shotcut/issues/674
+---
+ src/modules/avformat/common.c                |  2 ++
+ src/modules/avformat/common.h                |  1 +
+ src/modules/avformat/consumer_avformat.c     |  7 +------
+ src/modules/avformat/filter_avcolour_space.c |  7 +------
+ src/modules/avformat/filter_swscale.c        | 12 ++++--------
+ src/modules/avformat/producer_avformat.c     | 12 ++++++------
+ 6 files changed, 15 insertions(+), 26 deletions(-)
+
+diff --git a/src/modules/avformat/common.c b/src/modules/avformat/common.c
+index 2b1f1fd5d..dca9dbaee 100644
+--- a/src/modules/avformat/common.c
++++ b/src/modules/avformat/common.c
+@@ -22,6 +22,8 @@
+ #include <libavutil/channel_layout.h>
+ #include <libavutil/samplefmt.h>
+ 
++int mlt_default_sws_flags = SWS_BICUBIC | SWS_FULL_CHR_H_INP | SWS_FULL_CHR_H_INT | SWS_ACCURATE_RND;
++
+ int mlt_to_av_sample_format( mlt_audio_format format )
+ {
+ 	switch( format )
+diff --git a/src/modules/avformat/common.h b/src/modules/avformat/common.h
+index 54df63e93..ce0f0f079 100644
+--- a/src/modules/avformat/common.h
++++ b/src/modules/avformat/common.h
+@@ -29,5 +29,6 @@ mlt_channel_layout av_channel_layout_to_mlt( int64_t layout );
+ mlt_channel_layout get_channel_layout_or_default( const char* name, int channels );
+ int set_luma_transfer( struct SwsContext *context, int src_colorspace,
+ 	int dst_colorspace, int src_full_range, int dst_full_range );
++extern int mlt_default_sws_flags;
+ 
+ #endif // COMMON_H
+diff --git a/src/modules/avformat/consumer_avformat.c b/src/modules/avformat/consumer_avformat.c
+index eab96271f..1e445ef76 100644
+--- a/src/modules/avformat/consumer_avformat.c
++++ b/src/modules/avformat/consumer_avformat.c
+@@ -1956,12 +1956,7 @@ static void *consumer_thread( void *arg )
+ 						mlt_image_format_planes( img_fmt, width, height, image, video_avframe.data, video_avframe.linesize );
+ 
+ 						// Do the colour space conversion
+-						int flags = SWS_BICUBIC | SWS_ACCURATE_RND;
+-						if ( pix_fmt == AV_PIX_FMT_YUYV422 || pix_fmt == AV_PIX_FMT_YUV422P16LE )
+-							flags |= SWS_FULL_CHR_H_INP;
+-						else
+-							flags |= SWS_FULL_CHR_H_INT;
+-
++						int flags = mlt_default_sws_flags;
+ 						struct SwsContext *context = sws_getContext( width, height, pick_pix_fmt( img_fmt ),
+ 							width, height, pix_fmt, flags, NULL, NULL, NULL);
+ 						int src_colorspace = mlt_properties_get_int( frame_properties, "colorspace" );
+diff --git a/src/modules/avformat/filter_avcolour_space.c b/src/modules/avformat/filter_avcolour_space.c
+index f25cf092b..89ee6b522 100644
+--- a/src/modules/avformat/filter_avcolour_space.c
++++ b/src/modules/avformat/filter_avcolour_space.c
+@@ -84,14 +84,9 @@ static int av_convert_image( uint8_t *out, uint8_t *in, int out_fmt, int in_fmt,
+ 	int in_stride[4];
+ 	uint8_t *out_data[4];
+ 	int out_stride[4];
+-	int flags = SWS_BICUBIC | SWS_ACCURATE_RND;
++	int flags = mlt_default_sws_flags;
+ 	int error = -1;
+ 
+-	if ( out_fmt == AV_PIX_FMT_YUYV422 || out_fmt == AV_PIX_FMT_YUV422P16LE )
+-		flags |= SWS_FULL_CHR_H_INP;
+-	else
+-		flags |= SWS_FULL_CHR_H_INT;
+-
+ 	if ( in_fmt == AV_PIX_FMT_YUV422P16LE )
+ 		mlt_image_format_planes(mlt_image_yuv422p16, width, height, in, in_data, in_stride);
+ 	else
+diff --git a/src/modules/avformat/filter_swscale.c b/src/modules/avformat/filter_swscale.c
+index 475036a6f..52c165f9f 100644
+--- a/src/modules/avformat/filter_swscale.c
++++ b/src/modules/avformat/filter_swscale.c
+@@ -1,6 +1,6 @@
+ /*
+  * filter_swscale.c -- image scaling filter
+- * Copyright (C) 2008-2017 Meltytech, LLC
++ * Copyright (C) 2008-2018 Meltytech, LLC
+  *
+  * This library is free software; you can redistribute it and/or
+  * modify it under the terms of the GNU Lesser General Public
+@@ -88,23 +88,19 @@ static int filter_scale( mlt_frame frame, uint8_t **image, mlt_image_format *for
+ 		interp = SWS_LANCZOS;
+ 	else if ( strcmp( interps, "spline" ) == 0 )
+ 		interp = SWS_SPLINE;
+-	interp |= SWS_ACCURATE_RND;
++
++	// Set swscale flags to get good quality
++	interp |= SWS_FULL_CHR_H_INP | SWS_FULL_CHR_H_INT | SWS_ACCURATE_RND;
+ 
+ 	// Determine the output image size.
+ 	int out_size = mlt_image_format_size( *format, owidth, oheight, NULL );
+ 
+-	// Set swscale flags to get good quality
+ 	switch ( *format )
+ 	{
+ 		case mlt_image_yuv422:
+-			interp |= SWS_FULL_CHR_H_INP;
+-			break;
+ 		case mlt_image_rgb24:
+-			interp |= SWS_FULL_CHR_H_INT;
+-			break;
+ 		case mlt_image_rgb24a:
+ 		case mlt_image_opengl:
+-			interp |= SWS_FULL_CHR_H_INT;
+ 			break;
+ 		default:
+ 			// XXX: we only know how to rescale packed formats
+diff --git a/src/modules/avformat/producer_avformat.c b/src/modules/avformat/producer_avformat.c
+index 9b96b4e5c..d24ca41e7 100644
+--- a/src/modules/avformat/producer_avformat.c
++++ b/src/modules/avformat/producer_avformat.c
+@@ -1281,7 +1281,7 @@ static int sliced_h_pix_fmt_conv_proc( int id, int idx, int jobs, void* cookie )
+ 	av_opt_set_int( sws, "dstw", slice_w, 0 );
+ 	av_opt_set_int( sws, "dsth", h, 0 );
+ 	av_opt_set_int( sws, "dst_format", ctx->dst_format, 0 );
+-	av_opt_set_int( sws, "sws_flags", ctx->flags | SWS_FULL_CHR_H_INP, 0 );
++	av_opt_set_int( sws, "sws_flags", ctx->flags, 0 );
+ 
+ 	av_opt_set_int( sws, "src_h_chr_pos", -513, 0 );
+ 	av_opt_set_int( sws, "src_v_chr_pos", src_v_chr_pos, 0 );
+@@ -1338,7 +1338,7 @@ static int sliced_h_pix_fmt_conv_proc( int id, int idx, int jobs, void* cookie )
+ static int convert_image( producer_avformat self, AVFrame *frame, uint8_t *buffer, int pix_fmt,
+ 	mlt_image_format *format, int width, int height, uint8_t **alpha )
+ {
+-	int flags = SWS_BICUBIC | SWS_ACCURATE_RND;
++	int flags = mlt_default_sws_flags;
+ 	mlt_profile profile = mlt_service_profile( MLT_PRODUCER_SERVICE( self->parent ) );
+ 	int result = self->yuv_colorspace;
+ 
+@@ -1400,7 +1400,7 @@ static int convert_image( producer_avformat self, AVFrame *frame, uint8_t *buffe
+ 	else if ( *format == mlt_image_rgb24 )
+ 	{
+ 		struct SwsContext *context = sws_getContext( width, height, src_pix_fmt,
+-			width, height, AV_PIX_FMT_RGB24, flags | SWS_FULL_CHR_H_INT, NULL, NULL, NULL);
++			width, height, AV_PIX_FMT_RGB24, flags, NULL, NULL, NULL);
+ 		uint8_t *out_data[4];
+ 		int out_stride[4];
+ 		av_image_fill_arrays(out_data, out_stride, buffer, AV_PIX_FMT_RGB24, width, height, IMAGE_ALIGN);
+@@ -1413,7 +1413,7 @@ static int convert_image( producer_avformat self, AVFrame *frame, uint8_t *buffe
+ 	else if ( *format == mlt_image_rgb24a || *format == mlt_image_opengl )
+ 	{
+ 		struct SwsContext *context = sws_getContext( width, height, src_pix_fmt,
+-			width, height, AV_PIX_FMT_RGBA, flags | SWS_FULL_CHR_H_INT, NULL, NULL, NULL);
++			width, height, AV_PIX_FMT_RGBA, flags, NULL, NULL, NULL);
+ 		uint8_t *out_data[4];
+ 		int out_stride[4];
+ 		av_image_fill_arrays(out_data, out_stride, buffer, AV_PIX_FMT_RGBA, width, height, IMAGE_ALIGN);
+@@ -1475,10 +1475,10 @@ static int convert_image( producer_avformat self, AVFrame *frame, uint8_t *buffe
+ 	{
+ #if defined(FFUDIV) && (LIBAVFORMAT_VERSION_INT >= ((55<<16)+(48<<8)+100))
+ 		struct SwsContext *context = sws_getContext( width, height, src_pix_fmt,
+-			width, height, AV_PIX_FMT_YUYV422, flags | SWS_FULL_CHR_H_INP, NULL, NULL, NULL);
++			width, height, AV_PIX_FMT_YUYV422, flags, NULL, NULL, NULL);
+ #else
+ 		struct SwsContext *context = sws_getContext( width, height, pix_fmt,
+-			width, height, AV_PIX_FMT_YUYV422, flags | SWS_FULL_CHR_H_INP, NULL, NULL, NULL);
++			width, height, AV_PIX_FMT_YUYV422, flags, NULL, NULL, NULL);
+ #endif
+ 		AVPicture output;
+ 		avpicture_fill( &output, buffer, AV_PIX_FMT_YUYV422, width, height );
\ No newline at end of file