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/vp56.c b/libavcodec/vp56.c
index 83ba68c..15691e0 100644
--- a/libavcodec/vp56.c
+++ b/libavcodec/vp56.c
@@ -524,10 +524,8 @@ int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
         }
     }
 
-    if (ff_get_buffer(avctx, p, AV_GET_BUFFER_FLAG_REF) < 0) {
-        av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+    if (ff_get_buffer(avctx, p, AV_GET_BUFFER_FLAG_REF) < 0)
         return -1;
-    }
 
     if (s->has_alpha) {
         av_frame_unref(s->alpha_context->frames[VP56_FRAME_CURRENT]);