Silicon Graphics Motion Video Compressor 1 & 2 decoder

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>

Changelog

@@ -20,6 +20,7 @@ version <next>:
 - MP2 encoding via TwoLAME
 - asettb filter
 - Silicon Graphics RLE 8-bit video decoder
+- Silicon Graphics Motion Video Compressor 1 & 2 decoder
 
 
 version 10:

doc/general.texi

@@ -693,6 +693,8 @@ following image formats are supported:
     @tab used in some games by Entertainment Software Partners
 @item Sierra VMD video       @tab     @tab  X
     @tab Used in Sierra VMD files.
+@item Silicon Graphics Motion Video Compressor 1 (MVC1)  @tab     @tab  X
+@item Silicon Graphics Motion Video Compressor 2 (MVC2)  @tab     @tab  X
 @item Silicon Graphics RLE 8-bit video  @tab     @tab  X
 @item Smacker video          @tab     @tab  X
     @tab Video encoding used in Smacker.

libavcodec/Makefile

@@ -272,6 +272,8 @@ OBJS-$(CONFIG_MSS2_DECODER)            += mss2.o mss12.o mss2dsp.o
 OBJS-$(CONFIG_MSVIDEO1_DECODER)        += msvideo1.o
 OBJS-$(CONFIG_MSZH_DECODER)            += lcldec.o
 OBJS-$(CONFIG_MTS2_DECODER)            += mss4.o mss34dsp.o
+OBJS-$(CONFIG_MVC1_DECODER)            += mvcdec.o
+OBJS-$(CONFIG_MVC2_DECODER)            += mvcdec.o
 OBJS-$(CONFIG_MXPEG_DECODER)           += mxpegdec.o
 OBJS-$(CONFIG_NELLYMOSER_DECODER)      += nellymoserdec.o nellymoser.o
 OBJS-$(CONFIG_NELLYMOSER_ENCODER)      += nellymoserenc.o nellymoser.o

libavcodec/allcodecs.c

@@ -199,6 +199,8 @@ void avcodec_register_all(void)
     REGISTER_DECODER(MSVIDEO1,          msvideo1);
     REGISTER_DECODER(MSZH,              mszh);
     REGISTER_DECODER(MTS2,              mts2);
+    REGISTER_DECODER(MVC1,              mvc1);
+    REGISTER_DECODER(MVC2,              mvc2);
     REGISTER_DECODER(MXPEG,             mxpeg);
     REGISTER_DECODER(NUV,               nuv);
     REGISTER_DECODER(PAF_VIDEO,         paf_video);

libavcodec/avcodec.h

@@ -291,6 +291,8 @@ enum AVCodecID {
     AV_CODEC_ID_VP7,
     AV_CODEC_ID_SANM,
     AV_CODEC_ID_SGIRLE,
+    AV_CODEC_ID_MVC1,
+    AV_CODEC_ID_MVC2,
 
     /* various PCM "codecs" */
     AV_CODEC_ID_FIRST_AUDIO = 0x10000,     ///< A dummy id pointing at the start of audio codecs

libavcodec/codec_desc.c

@@ -924,6 +924,20 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"),
         .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
+    {
+        .id        = AV_CODEC_ID_MVC1,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "mvc1",
+        .long_name = NULL_IF_CONFIG_SMALL("Silicon Graphics Motion Video Compressor 1"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
+    },
+    {
+        .id        = AV_CODEC_ID_MVC2,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "mvc2",
+        .long_name = NULL_IF_CONFIG_SMALL("Silicon Graphics Motion Video Compressor 2"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
+    },
     {
         .id        = AV_CODEC_ID_MXPEG,
         .type      = AVMEDIA_TYPE_VIDEO,

libavcodec/version.h

@@ -29,7 +29,7 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 55
-#define LIBAVCODEC_VERSION_MINOR 47
+#define LIBAVCODEC_VERSION_MINOR 48
 #define LIBAVCODEC_VERSION_MICRO  0
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \