avcodec: add YUY2 Lossless Codec decoder

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Changelog

@@ -2,6 +2,10 @@ Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.
 
 version <next>:
+- YUY2 Lossless Codec decoder
+
+
+version 3.1:
 - DXVA2-accelerated HEVC Main10 decoding
 - fieldhint filter
 - loop video filter and aloop audio filter

libavcodec/Makefile

@@ -633,6 +633,7 @@ OBJS-$(CONFIG_XWD_DECODER)             += xwddec.o
 OBJS-$(CONFIG_XWD_ENCODER)             += xwdenc.o
 OBJS-$(CONFIG_Y41P_DECODER)            += y41pdec.o
 OBJS-$(CONFIG_Y41P_ENCODER)            += y41penc.o
+OBJS-$(CONFIG_YLC_DECODER)             += ylc.o
 OBJS-$(CONFIG_YOP_DECODER)             += yop.o
 OBJS-$(CONFIG_YUV4_DECODER)            += yuv4dec.o
 OBJS-$(CONFIG_YUV4_ENCODER)            += yuv4enc.o

libavcodec/allcodecs.c

@@ -370,6 +370,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER(XL,                xl);
     REGISTER_ENCDEC (XWD,               xwd);
     REGISTER_ENCDEC (Y41P,              y41p);
+    REGISTER_DECODER(YLC,               ylc);
     REGISTER_DECODER(YOP,               yop);
     REGISTER_ENCDEC (YUV4,              yuv4);
     REGISTER_DECODER(ZERO12V,           zero12v);

libavcodec/avcodec.h

@@ -408,6 +408,7 @@ enum AVCodecID {
     AV_CODEC_ID_M101,
     AV_CODEC_ID_MAGICYUV,
     AV_CODEC_ID_SHEERVIDEO,
+    AV_CODEC_ID_YLC,
 
     /* various PCM "codecs" */
     AV_CODEC_ID_FIRST_AUDIO = 0x10000,     ///< A dummy id pointing at the start of audio codecs

libavcodec/codec_desc.c

@@ -1556,6 +1556,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("BitJazz SheerVideo"),
         .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
+    {
+        .id        = AV_CODEC_ID_YLC,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "ylc",
+        .long_name = NULL_IF_CONFIG_SMALL("YUY2 Lossless Codec"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
+    },
 
     /* various PCM "codecs" */
     {

libavcodec/version.h

@@ -28,7 +28,7 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR  57
-#define LIBAVCODEC_VERSION_MINOR  47
+#define LIBAVCODEC_VERSION_MINOR  48
 #define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

libavformat/riff.c

@@ -424,6 +424,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
     { AV_CODEC_ID_M101,         MKTAG('M', '1', '0', '1') },
     { AV_CODEC_ID_M101,         MKTAG('M', '1', '0', '2') },
     { AV_CODEC_ID_MAGICYUV,     MKTAG('M', 'A', 'G', 'Y') },
+    { AV_CODEC_ID_YLC,          MKTAG('Y', 'L', 'C', '0') },
 
     { AV_CODEC_ID_NONE,         0 }
 };