MS Screen 1 decoder

Changelog

@@ -27,6 +27,7 @@ version <next>:
 - channelsplit audio filter
 - RTMPT protocol support
 - iLBC encoding/decoding via libilbc
+- Microsoft Screen 1 decoder
 
 
 version 0.8:

doc/general.texi

@@ -532,6 +532,8 @@ following image formats are supported:
 @item LOCO                   @tab     @tab  X
 @item lossless MJPEG         @tab  X  @tab  X
 @item Microsoft RLE          @tab     @tab  X
+@item Microsoft Screen 1     @tab     @tab  X
+    @tab Also known as Windows Media Video V7 Screen.
 @item Microsoft Video 1      @tab     @tab  X
 @item Mimic                  @tab     @tab  X
     @tab Used in MSN Messenger Webcam streams.

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-$(CONFIG_MSS1_DECODER)            += mss1.o
 OBJS-$(CONFIG_MSVIDEO1_DECODER)        += msvideo1.o
 OBJS-$(CONFIG_MSZH_DECODER)            += lcldec.o
 OBJS-$(CONFIG_MXPEG_DECODER)           += mxpegdec.o mjpegdec.o mjpeg.o

libavcodec/allcodecs.c

@@ -156,6 +156,7 @@ void avcodec_register_all(void)
     REGISTER_ENCDEC  (MSMPEG4V2, msmpeg4v2);
     REGISTER_ENCDEC  (MSMPEG4V3, msmpeg4v3);
     REGISTER_DECODER (MSRLE, msrle);
+    REGISTER_DECODER (MSS1, mss1);
     REGISTER_DECODER (MSVIDEO1, msvideo1);
     REGISTER_DECODER (MSZH, mszh);
     REGISTER_DECODER (MXPEG, mxpeg);

libavcodec/avcodec.h

@@ -255,6 +255,7 @@ enum CodecID {
     CODEC_ID_CDXL,
     CODEC_ID_XBM,
     CODEC_ID_ZEROCODEC,
+    CODEC_ID_MSS1,
 
     /* 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 15
+#define LIBAVCODEC_VERSION_MINOR 16
 #define LIBAVCODEC_VERSION_MICRO  0
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

libavformat/riff.c

@@ -284,6 +284,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
     { CODEC_ID_VBLE,         MKTAG('V', 'B', 'L', 'E') },
     { 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_NONE,         0 }
 };