diff options
Diffstat (limited to 'libavcodec/tdsc.c')
| -rw-r--r-- | libavcodec/tdsc.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/libavcodec/tdsc.c b/libavcodec/tdsc.c index 3617911071..dfd80f6dbc 100644 --- a/libavcodec/tdsc.c +++ b/libavcodec/tdsc.c @@ -529,10 +529,15 @@ static int tdsc_decode_frame(AVCodecContext *avctx, void *data, /* Resize deflate buffer on resolution change */ if (ctx->width != avctx->width || ctx->height != avctx->height) { - ctx->deflatelen = avctx->width * avctx->height * (3 + 1); - ret = av_reallocp(&ctx->deflatebuffer, ctx->deflatelen); - if (ret < 0) - return ret; + int deflatelen = avctx->width * avctx->height * (3 + 1); + if (deflatelen != ctx->deflatelen) { + ctx->deflatelen =deflatelen; + ret = av_reallocp(&ctx->deflatebuffer, ctx->deflatelen); + if (ret < 0) { + ctx->deflatelen = 0; + return ret; + } + } } dlen = ctx->deflatelen; |