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, 1 insertions, 3 deletions

diff --git a/libavcodec/vmnc.c b/libavcodec/vmnc.c
index 769b40a4b6..99571a1b76 100644
--- a/libavcodec/vmnc.c
+++ b/libavcodec/vmnc.c
@@ -296,10 +296,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     const uint8_t *src = buf;
     int dx, dy, w, h, depth, enc, chunks, res, size_left, ret;
 
-    if ((ret = ff_reget_buffer(avctx, &c->pic)) < 0) {
-        av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
+    if ((ret = ff_reget_buffer(avctx, &c->pic)) < 0)
         return ret;
-    }
 
     c->pic.key_frame = 0;
     c->pic.pict_type = AV_PICTURE_TYPE_P;