ffprobe: only decode frame if the codec is available

Fix crash when a stream codec is unknown, in particular fix trac ticket #1243.
13 years ago · 5626e812d2
parent fda968aa8f
commit 5626e812d2
1 changed files with 2 additions and 0 deletions
--- a/ffprobe.c
+++ b/ffprobe.c
@ -1661,6 +1661,7 @@ static av_always_inline int get_decoded_frame(AVFormatContext *fmt_ctx,
    int ret = 0;

    *got_frame = 0;
+    if (dec_ctx->codec) {
    switch (dec_ctx->codec_type) {
    case AVMEDIA_TYPE_VIDEO:
        ret = avcodec_decode_video2(dec_ctx, frame, got_frame, pkt);
@ -1670,6 +1671,7 @@ static av_always_inline int get_decoded_frame(AVFormatContext *fmt_ctx,
        ret = avcodec_decode_audio4(dec_ctx, frame, got_frame, pkt);
        break;
    }
+    }

    return ret;
 }