X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Ftakdec.c;h=6fda35c1bef204888b92141669cba04d4cc8fa9d;hb=a33490ca2874ed88ffb7cd325f7fc28a02c7c186;hp=1535bec64f378749b82f4da53b51a52a812711a4;hpb=b773a8d8c1dfe4cfc6eabf509e26ab011270b9ed;p=ffmpeg

diff --git a/libavformat/takdec.c b/libavformat/takdec.c
index 1535bec64f3..6fda35c1bef 100644
--- a/libavformat/takdec.c
+++ b/libavformat/takdec.c
@@ -103,7 +103,6 @@ static int tak_read_header(AVFormatContext *s)
                 }
             }
 
-            init_get_bits8(&gb, buffer, size - 3);
             break;
         case TAK_METADATA_MD5: {
             uint8_t md5[16];
@@ -145,7 +144,9 @@ static int tak_read_header(AVFormatContext *s)
         if (type == TAK_METADATA_STREAMINFO) {
             TAKStreamInfo ti;
 
-            avpriv_tak_parse_streaminfo(&gb, &ti);
+            ret = avpriv_tak_parse_streaminfo(&ti, buffer, size -3);
+            if (ret < 0)
+                return AVERROR_INVALIDDATA;
             if (ti.samples > 0)
                 st->duration = ti.samples;
             st->codecpar->bits_per_coded_sample = ti.bps;
@@ -161,11 +162,13 @@ static int tak_read_header(AVFormatContext *s)
         } else if (type == TAK_METADATA_LAST_FRAME) {
             if (size != 11)
                 return AVERROR_INVALIDDATA;
+            init_get_bits8(&gb, buffer, size - 3);
             tc->mlast_frame = 1;
             tc->data_end    = get_bits64(&gb, TAK_LAST_FRAME_POS_BITS) +
                               get_bits(&gb, TAK_LAST_FRAME_SIZE_BITS);
             av_freep(&buffer);
         } else if (type == TAK_METADATA_ENCODER) {
+            init_get_bits8(&gb, buffer, size - 3);
             av_log(s, AV_LOG_VERBOSE, "encoder version: %0X\n",
                    get_bits_long(&gb, TAK_ENCODER_VERSION_BITS));
             av_freep(&buffer);