MS ATC Screen (aka MSS3) decoder

Changelog

@@ -30,6 +30,7 @@ version <next>:
 - Microsoft Screen 1 decoder
 - join audio filter
 - audio channel mapping filter
+- Microsoft ATC Screen decoder
 
 
 version 0.8:

doc/general.texi

@@ -531,6 +531,8 @@ following image formats are supported:
 @item LCL (LossLess Codec Library) ZLIB  @tab  E  @tab  E
 @item LOCO                   @tab     @tab  X
 @item lossless MJPEG         @tab  X  @tab  X
+@item Microsoft ATC Screen   @tab     @tab  X
+    @tab Also known as Microsoft Screen 3.
 @item Microsoft RLE          @tab     @tab  X
 @item Microsoft Screen 1     @tab     @tab  X
     @tab Also known as Windows Media Video V7 Screen.

libavcodec/Makefile

@@ -292,6 +292,7 @@ OBJS-$(CONFIG_MSMPEG4V3_ENCODER)       += msmpeg4.o msmpeg4enc.o msmpeg4data.o \
                                           h263dec.o h263.o ituh263dec.o        \
                                           mpeg4videodec.o
 OBJS-$(CONFIG_MSRLE_DECODER)           += msrle.o msrledec.o
+OBJS-$(CONFIG_MSA1_DECODER)            += mss3.o
 OBJS-$(CONFIG_MSS1_DECODER)            += mss1.o
 OBJS-$(CONFIG_MSVIDEO1_DECODER)        += msvideo1.o
 OBJS-$(CONFIG_MSZH_DECODER)            += lcldec.o

libavcodec/allcodecs.c

@@ -152,6 +152,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER (MPEG4_VDPAU, mpeg4_vdpau);
     REGISTER_DECODER (MPEG_VDPAU, mpeg_vdpau);
     REGISTER_DECODER (MPEG1_VDPAU, mpeg1_vdpau);
+    REGISTER_DECODER (MSA1, msa1);
     REGISTER_DECODER (MSMPEG4V1, msmpeg4v1);
     REGISTER_ENCDEC  (MSMPEG4V2, msmpeg4v2);
     REGISTER_ENCDEC  (MSMPEG4V3, msmpeg4v3);

libavcodec/avcodec.h

@@ -256,6 +256,7 @@ enum CodecID {
     CODEC_ID_XBM,
     CODEC_ID_ZEROCODEC,
     CODEC_ID_MSS1,
+    CODEC_ID_MSA1,
 
     /* various PCM "codecs" */
     CODEC_ID_FIRST_AUDIO = 0x10000,     ///< A dummy id pointing at the start of audio codecs

libavcodec/version.h

@@ -27,7 +27,7 @@
  */
 
 #define LIBAVCODEC_VERSION_MAJOR 54
-#define LIBAVCODEC_VERSION_MINOR 16
+#define LIBAVCODEC_VERSION_MINOR 17
 #define LIBAVCODEC_VERSION_MICRO  0
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

libavformat/riff.c

@@ -285,6 +285,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
     { CODEC_ID_DXTORY,       MKTAG('x', 't', 'o', 'r') },
     { CODEC_ID_ZEROCODEC,    MKTAG('Z', 'E', 'C', 'O') },
     { CODEC_ID_MSS1,         MKTAG('M', 'S', 'S', '1') },
+    { CODEC_ID_MSA1,         MKTAG('M', 'S', 'A', '1') },
     { CODEC_ID_NONE,         0 }
 };