ffplay: remove two unneeded av_free_packet calls

[ffmpeg] / libavformat / isom.c

diff --git a/libavformat/isom.c b/libavformat/isom.c
index 19ec57b5dfbd46c779f65147c56eba55e22e0727..f6a4646f7a3a869192129c3cfe405370911d2193 100644 (file)
--- a/libavformat/isom.c
+++ b/libavformat/isom.c
@@ -438,6 +438,7 @@ static const AVCodecTag mp4_audio_types[] = {
 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
 {
     int len, tag;
+    int ret;
     int object_type_id = avio_r8(pb);
     avio_r8(pb); /* stream type */
     avio_rb24(pb); /* buffer size db */
@@ -457,9 +458,8 @@ int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext
         if (!len || (uint64_t)len > (1<<30))
             return -1;
         av_free(st->codec->extradata);
-        if (ff_alloc_extradata(st->codec, len))
-            return AVERROR(ENOMEM);
-        avio_read(pb, st->codec->extradata, len);
+        if ((ret = ff_get_extradata(st->codec, pb, len)) < 0)
+            return ret;
         if (st->codec->codec_id == AV_CODEC_ID_AAC) {
             MPEG4AudioConfig cfg = {0};
             avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,