avcodec/sonic: add larger version and minor_version fields with version >= 2

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/sonic.c

@@ -46,6 +46,7 @@
 
 typedef struct SonicContext {
     int version;
+    int minor_version;
     int lossless, decorrelation;
 
     int num_taps, downsampling;
@@ -573,8 +574,12 @@ static av_cold int sonic_encode_init(AVCodecContext *avctx)
     init_put_bits(&pb, avctx->extradata, 16*8);
 
     put_bits(&pb, 2, s->version); // version
-    if (s->version == 1)
+    if (s->version >= 1)
     {
+        if (s->version >= 2) {
+            put_bits(&pb, 8, s->version);
+            put_bits(&pb, 8, s->minor_version);
+        }
         put_bits(&pb, 2, s->channels);
         put_bits(&pb, 4, code_samplerate(s->samplerate));
     }
@@ -589,8 +594,8 @@ static av_cold int sonic_encode_init(AVCodecContext *avctx)
     flush_put_bits(&pb);
     avctx->extradata_size = put_bits_count(&pb)/8;
 
-    av_log(avctx, AV_LOG_INFO, "Sonic: ver: %d ls: %d dr: %d taps: %d block: %d frame: %d downsamp: %d\n",
-        s->version, s->lossless, s->decorrelation, s->num_taps, s->block_align, s->frame_size, s->downsampling);
+    av_log(avctx, AV_LOG_INFO, "Sonic: ver: %d.%d ls: %d dr: %d taps: %d block: %d frame: %d downsamp: %d\n",
+        s->version, s->minor_version, s->lossless, s->decorrelation, s->num_taps, s->block_align, s->frame_size, s->downsampling);
 
     avctx->frame_size = s->block_align*s->downsampling;
 
@@ -762,13 +767,17 @@ static av_cold int sonic_decode_init(AVCodecContext *avctx)
     init_get_bits8(&gb, avctx->extradata, avctx->extradata_size);
 
     s->version = get_bits(&gb, 2);
-    if (s->version > 1)
+    if (s->version >= 2) {
+        s->version       = get_bits(&gb, 8);
+        s->minor_version = get_bits(&gb, 8);
+    }
+    if (s->version > 2)
     {
         av_log(avctx, AV_LOG_ERROR, "Unsupported Sonic version, please report\n");
         return AVERROR_INVALIDDATA;
     }
 
-    if (s->version == 1)
+    if (s->version >= 1)
     {
         s->channels = get_bits(&gb, 2);
         s->samplerate = samplerate_table[get_bits(&gb, 4)];
@@ -805,8 +814,8 @@ static av_cold int sonic_decode_init(AVCodecContext *avctx)
     s->frame_size = s->channels*s->block_align*s->downsampling;
 //    avctx->frame_size = s->block_align;
 
-    av_log(avctx, AV_LOG_INFO, "Sonic: ver: %d ls: %d dr: %d taps: %d block: %d frame: %d downsamp: %d\n",
-        s->version, s->lossless, s->decorrelation, s->num_taps, s->block_align, s->frame_size, s->downsampling);
+    av_log(avctx, AV_LOG_INFO, "Sonic: ver: %d.%d ls: %d dr: %d taps: %d block: %d frame: %d downsamp: %d\n",
+        s->version, s->minor_version, s->lossless, s->decorrelation, s->num_taps, s->block_align, s->frame_size, s->downsampling);
 
     // generate taps
     s->tap_quant = av_calloc(s->num_taps, sizeof(*s->tap_quant));