avcodec/flac: smallest frame is 10 bytes

Fixes #9270

libavcodec/flac.h

@@ -33,7 +33,7 @@
 #define FLAC_MAX_CHANNELS       8
 #define FLAC_MIN_BLOCKSIZE     16
 #define FLAC_MAX_BLOCKSIZE  65535
-#define FLAC_MIN_FRAME_SIZE    11
+#define FLAC_MIN_FRAME_SIZE    10
 
 enum {
     FLAC_CHMODE_INDEPENDENT = 0,

libavcodec/flacdec.c

@@ -577,7 +577,7 @@ static int flac_decode_frame(AVCodecContext *avctx, AVFrame *frame,
 
     /* check that there is at least the smallest decodable amount of data.
        this amount corresponds to the smallest valid FLAC frame possible.
-       FF F8 69 02 00 00 9A 00 00 34 46 */
+       FF F8 69 02 00 00 9A 00 00 34 */
     if (buf_size < FLAC_MIN_FRAME_SIZE)
         return buf_size;