lavc: add ffwavesynth pseudo-codec.

doc/decoders.texi

@@ -48,3 +48,16 @@ top-field-first is assumed
 @end table
 
 @c man end VIDEO DECODERS
+
+@chapter Audio Decoders
+@c man begin AUDIO DECODERS
+
+@section ffwavesynth
+
+Internal wave synthetizer.
+
+This decoder generates wave patterns according to predefined sequences. Its
+use is purely internal and the format of the data it accepts is not publicly
+documented.
+
+@c man end AUDIO DECODERS

libavcodec/Makefile

@@ -156,6 +156,7 @@ OBJS-$(CONFIG_FFV1_DECODER)            += ffv1.o rangecoder.o
 OBJS-$(CONFIG_FFV1_ENCODER)            += ffv1.o rangecoder.o
 OBJS-$(CONFIG_FFVHUFF_DECODER)         += huffyuv.o
 OBJS-$(CONFIG_FFVHUFF_ENCODER)         += huffyuv.o
+OBJS-$(CONFIG_FFWAVESYNTH_DECODER)     += ffwavesynth.o
 OBJS-$(CONFIG_FLAC_DECODER)            += flacdec.o flacdata.o flac.o vorbis_data.o
 OBJS-$(CONFIG_FLAC_ENCODER)            += flacenc.o flacdata.o flac.o vorbis_data.o
 OBJS-$(CONFIG_FLASHSV_DECODER)         += flashsv.o

libavcodec/allcodecs.c

@@ -265,6 +265,7 @@ void avcodec_register_all(void)
     REGISTER_ENCDEC  (DCA, dca);
     REGISTER_DECODER (DSICINAUDIO, dsicinaudio);
     REGISTER_ENCDEC  (EAC3, eac3);
+    REGISTER_DECODER (FFWAVESYNTH, ffwavesynth);
     REGISTER_ENCDEC  (FLAC, flac);
     REGISTER_ENCDEC  (G723_1, g723_1);
     REGISTER_DECODER (G729, g729);

libavcodec/avcodec.h

@@ -403,6 +403,7 @@ enum CodecID {
     CODEC_ID_BMV_AUDIO,
     CODEC_ID_G729 = 0x15800,
     CODEC_ID_G723_1= 0x15801,
+    CODEC_ID_FFWAVESYNTH = MKBETAG('F','F','W','S'),
     CODEC_ID_8SVX_RAW   = MKBETAG('8','S','V','X'),
 
     /* subtitle codecs */

libavcodec/version.h

@@ -21,7 +21,7 @@
 #define AVCODEC_VERSION_H
 
 #define LIBAVCODEC_VERSION_MAJOR 53
-#define LIBAVCODEC_VERSION_MINOR 45
+#define LIBAVCODEC_VERSION_MINOR 46
 #define LIBAVCODEC_VERSION_MICRO  0
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \