avocdec: add MagicYUV decoder

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

Changelog

@@ -37,6 +37,7 @@ version <next>:
 - Direct Stream Transfer (DST) decoder
 - loudnorm filter
 - MTAF demuxer and decoder
+- MagicYUV decoder
 
 version 3.0:
 - Common Encryption (CENC) MP4 encoding and decoding support

configure

@@ -2387,6 +2387,7 @@ jv_decoder_select="blockdsp"
 lagarith_decoder_select="huffyuvdsp"
 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
 loco_decoder_select="golomb"
+magicyuv_decoder_select="huffyuvdsp"
 mdec_decoder_select="blockdsp idctdsp mpegvideo"
 metasound_decoder_select="lsp mdct sinewin"
 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

doc/general.texi

@@ -744,6 +744,7 @@ following image formats are supported:
 @item LucasArts SANM/Smush   @tab     @tab  X
     @tab Used in LucasArts games / SMUSH animations.
 @item lossless MJPEG         @tab  X  @tab  X
+@item MagicYUV Lossless Video @tab     @tab  X
 @item Microsoft ATC Screen   @tab     @tab  X
     @tab Also known as Microsoft Screen 3.
 @item Microsoft Expression Encoder Screen  @tab     @tab  X

libavcodec/Makefile

@@ -348,6 +348,7 @@ OBJS-$(CONFIG_LOCO_DECODER)            += loco.o
 OBJS-$(CONFIG_M101_DECODER)            += m101.o
 OBJS-$(CONFIG_MACE3_DECODER)           += mace.o
 OBJS-$(CONFIG_MACE6_DECODER)           += mace.o
+OBJS-$(CONFIG_MAGICYUV_DECODER)        += magicyuv.o
 OBJS-$(CONFIG_MDEC_DECODER)            += mdec.o mpeg12.o mpeg12data.o
 OBJS-$(CONFIG_METASOUND_DECODER)       += metasound.o metasound_data.o \
                                           twinvq.o

libavcodec/allcodecs.c

@@ -219,6 +219,7 @@ void avcodec_register_all(void)
     REGISTER_ENCODER(LJPEG,             ljpeg);
     REGISTER_DECODER(LOCO,              loco);
     REGISTER_DECODER(M101,              m101);
+    REGISTER_DECODER(MAGICYUV,          magicyuv);
     REGISTER_DECODER(MDEC,              mdec);
     REGISTER_DECODER(MIMIC,             mimic);
     REGISTER_ENCDEC (MJPEG,             mjpeg);

libavcodec/avcodec.h

@@ -406,6 +406,7 @@ enum AVCodecID {
     AV_CODEC_ID_CFHD,
     AV_CODEC_ID_TRUEMOTION2RT,
     AV_CODEC_ID_M101,
+    AV_CODEC_ID_MAGICYUV,
 
     /* various PCM "codecs" */
     AV_CODEC_ID_FIRST_AUDIO = 0x10000,     ///< A dummy id pointing at the start of audio codecs

libavcodec/codec_desc.c

@@ -1542,6 +1542,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("Duck TrueMotion 2.0 Real Time"),
         .props     = AV_CODEC_PROP_LOSSY,
     },
+    {
+        .id        = AV_CODEC_ID_MAGICYUV,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "magicyuv",
+        .long_name = NULL_IF_CONFIG_SMALL("MagicYUV Lossless Video"),
+        .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  43
+#define LIBAVCODEC_VERSION_MINOR  44
 #define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

libavformat/riff.c

@@ -421,6 +421,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
     { AV_CODEC_ID_CFHD,         MKTAG('C', 'F', 'H', 'D') },
     { 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_NONE,         0 }
 };