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, 4 deletions

diff --git a/libavcodec/nuv.c b/libavcodec/nuv.c
index 48348ea6b2..edf777ed3c 100644
--- a/libavcodec/nuv.c
+++ b/libavcodec/nuv.c
@@ -246,11 +246,8 @@ retry:
         init_frame = 1;
     }
 
-    result = ff_reget_buffer(avctx, &c->pic);
-    if (result < 0) {
-        av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+    if ((result = ff_reget_buffer(avctx, &c->pic)) < 0)
         return result;
-    }
     if (init_frame) {
         memset(c->pic.data[0], 0,    avctx->height * c->pic.linesize[0]);
         memset(c->pic.data[1], 0x80, avctx->height * c->pic.linesize[1] / 2);