LucasArts SMUSH SANM video decoder

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

Changelog

@@ -14,6 +14,7 @@ version <next>:
 - support encoding and decoding 4-channel SGI images
 - support decoding 16-bit RLE SGI images
 - VP7 video decoder
+- LucasArts SMUSH SANM video decoder
 
 
 version 10:

doc/general.texi

@@ -616,6 +616,8 @@ following image formats are supported:
 @item LCL (LossLess Codec Library) MSZH  @tab     @tab  X
 @item LCL (LossLess Codec Library) ZLIB  @tab  E  @tab  E
 @item LOCO                   @tab     @tab  X
+@item LucasArts SANM         @tab     @tab  X
+    @tab Used in LucasArts SMUSH animations.
 @item lossless MJPEG         @tab  X  @tab  X
 @item Microsoft ATC Screen   @tab     @tab  X
     @tab Also known as Microsoft Screen 3.

libavcodec/Makefile

@@ -326,6 +326,7 @@ OBJS-$(CONFIG_RV20_ENCODER)            += rv20enc.o
 OBJS-$(CONFIG_RV30_DECODER)            += rv30.o rv34.o rv30dsp.o rv34dsp.o
 OBJS-$(CONFIG_RV40_DECODER)            += rv40.o rv34.o rv34dsp.o rv40dsp.o
 OBJS-$(CONFIG_S302M_DECODER)           += s302m.o
+OBJS-$(CONFIG_SANM_DECODER)            += sanm.o
 OBJS-$(CONFIG_SGI_DECODER)             += sgidec.o
 OBJS-$(CONFIG_SGI_ENCODER)             += sgienc.o rle.o
 OBJS-$(CONFIG_SHORTEN_DECODER)         += shorten.o

libavcodec/allcodecs.c

@@ -226,6 +226,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER(RV30,              rv30);
     REGISTER_DECODER(RV40,              rv40);
     REGISTER_DECODER(S302M,             s302m);
+    REGISTER_DECODER(SANM,              sanm);
     REGISTER_ENCDEC (SGI,               sgi);
     REGISTER_DECODER(SMACKER,           smacker);
     REGISTER_DECODER(SMC,               smc);

libavcodec/avcodec.h

@@ -289,6 +289,7 @@ enum AVCodecID {
     AV_CODEC_ID_PAF_VIDEO,
     AV_CODEC_ID_EXR,
     AV_CODEC_ID_VP7,
+    AV_CODEC_ID_SANM,
 
     /* various PCM "codecs" */
     AV_CODEC_ID_FIRST_AUDIO = 0x10000,     ///< A dummy id pointing at the start of audio codecs

libavcodec/codec_desc.c

@@ -1106,6 +1106,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("On2 VP7"),
         .props     = AV_CODEC_PROP_LOSSY,
     },
+    {
+        .id        = AV_CODEC_ID_SANM,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "sanm",
+        .long_name = NULL_IF_CONFIG_SMALL("LucasArts SANM video"),
+        .props     = AV_CODEC_PROP_LOSSY,
+    },
 
     /* image codecs */
     {

libavcodec/version.h

@@ -29,7 +29,7 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 55
-#define LIBAVCODEC_VERSION_MINOR 43
+#define LIBAVCODEC_VERSION_MINOR 44
 #define LIBAVCODEC_VERSION_MICRO  0
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \