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/dnxhddec.c b/libavcodec/dnxhddec.c
index 19921195b6..11bed00e02 100644
--- a/libavcodec/dnxhddec.c
+++ b/libavcodec/dnxhddec.c
@@ -385,10 +385,8 @@ static int dnxhd_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     avcodec_set_dimensions(avctx, ctx->width, ctx->height);
 
     if (first_field) {
-        if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0) {
-            av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+        if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0)
             return ret;
-        }
         picture->pict_type = AV_PICTURE_TYPE_I;
         picture->key_frame = 1;
     }