lavc: add AV_CODEC_ID_DAALA to the list of codec IDs and bump minor

This commit shall introduce the first step of adding support for the
Daala next generation video codec to FFmpeg. Although still in
development, the codec is showing good progress and exchanging work
through IETF drafts. The companies behind Daala are also participating
in the Alliance for Open Media, so it's likely that whatever the result
any of these collaborations produce it's probable that elements from
Daala could be used in them, or perhaps this codec itself could be the
result.

libavcodec/avcodec.h

@@ -313,6 +313,7 @@ enum AVCodecID {
     AV_CODEC_ID_SNOW,
     AV_CODEC_ID_SMVJPEG,
     AV_CODEC_ID_APNG,
+    AV_CODEC_ID_DAALA,
 
     /* various PCM "codecs" */
     AV_CODEC_ID_FIRST_AUDIO = 0x10000,     ///< A dummy id pointing at the start of audio codecs

libavcodec/codec_desc.c

@@ -736,6 +736,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("Escape 124"),
         .props     = AV_CODEC_PROP_LOSSY,
     },
+    {
+        .id        = AV_CODEC_ID_DAALA,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "daala",
+        .long_name = NULL_IF_CONFIG_SMALL("Daala"),
+        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_LOSSLESS,
+    },
     {
         .id        = AV_CODEC_ID_DIRAC,
         .type      = AVMEDIA_TYPE_VIDEO,

libavcodec/version.h

@@ -29,7 +29,7 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR  57
-#define LIBAVCODEC_VERSION_MINOR   7
+#define LIBAVCODEC_VERSION_MINOR   8
 #define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \