lavc: factorize ff_{thread_,re,}get_buffer error messages.

Coccinelle profile used:

  @@
  expression r, ctx, f, loglevel, str, flags;
  @@

  -if ((r = ff_get_buffer(ctx, f, flags)) < 0) {
  -    av_log(ctx, loglevel, str);
  -    return r;
  -}
  +if ((r = ff_get_buffer(ctx, f, flags)) < 0)
  +    return r;

  @@
  expression r, ctx, f, loglevel, str;
  @@

  -if ((r = ff_reget_buffer(ctx, f)) < 0) {
  -    av_log(ctx, loglevel, str);
  -    return r;
  -}
  +if ((r = ff_reget_buffer(ctx, f)) < 0)
  +    return r;

  @@
  expression r, ctx, f, loglevel, str, flags;
  @@

  -if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0) {
  -    av_log(ctx, loglevel, str);
  -    return r;
  -}
  +if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0)
  +    return r;

...along with some manual patches for the remaining ones.

1 files changed, 2 insertions, 5 deletions

diff --git a/libavcodec/mvcdec.c b/libavcodec/mvcdec.c
index 7848d32efd..54e975717f 100644
--- a/libavcodec/mvcdec.c
+++ b/libavcodec/mvcdec.c
@@ -230,11 +230,8 @@ static int mvc_decode_frame(AVCodecContext *avctx,
     GetByteContext gb;
     int ret;
 
-    ret = ff_reget_buffer(avctx, s->frame);
-    if (ret < 0) {
-        av_log (avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
-        return AVERROR(ENOMEM);
-    }
+    if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
+        return ret;
 
     bytestream2_init(&gb, avpkt->data, avpkt->size);
     if (avctx->codec_id == AV_CODEC_ID_MVC1)