Escape 124 (RPL) decoder

Patch by Eli Friedman (eli friedman gmail com)

Originally committed as revision 12648 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/Makefile

@@ -67,6 +67,7 @@ OBJS-$(CONFIG_DXA_DECODER)             += dxa.o
 OBJS-$(CONFIG_EIGHTBPS_DECODER)        += 8bps.o
 OBJS-$(CONFIG_EIGHTSVX_EXP_DECODER)    += 8svx.o
 OBJS-$(CONFIG_EIGHTSVX_FIB_DECODER)    += 8svx.o
+OBJS-$(CONFIG_ESCAPE124_DECODER)       += escape124.o
 OBJS-$(CONFIG_FFV1_DECODER)            += ffv1.o rangecoder.o golomb.o
 OBJS-$(CONFIG_FFV1_ENCODER)            += ffv1.o rangecoder.o
 OBJS-$(CONFIG_FFVHUFF_DECODER)         += huffyuv.o

libavcodec/allcodecs.c

@@ -80,6 +80,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER (EIGHTBPS, eightbps);
     REGISTER_DECODER (EIGHTSVX_EXP, eightsvx_exp);
     REGISTER_DECODER (EIGHTSVX_FIB, eightsvx_fib);
+    REGISTER_DECODER (ESCAPE124, escape124);
     REGISTER_ENCDEC  (FFV1, ffv1);
     REGISTER_ENCDEC  (FFVHUFF, ffvhuff);
     REGISTER_ENCDEC  (FLASHSV, flashsv);

libavcodec/avcodec.h

@@ -181,6 +181,7 @@ enum CodecID {
     CODEC_ID_RL2,
     CODEC_ID_8SVX_EXP,
     CODEC_ID_8SVX_FIB,
+    CODEC_ID_ESCAPE124,
 
     /* various PCM "codecs" */
     CODEC_ID_PCM_S16LE= 0x10000,