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/libopusdec.c b/libavcodec/libopusdec.c
index 71078c4a14..9b5cfe7b3d 100644
--- a/libavcodec/libopusdec.c
+++ b/libavcodec/libopusdec.c
@@ -132,11 +132,8 @@ static int libopus_decode(AVCodecContext *avc, void *data,
     int ret, nb_samples;
 
     frame->nb_samples = MAX_FRAME_SIZE;
-    ret = ff_get_buffer(avc, frame, 0);
-    if (ret < 0) {
-        av_log(avc, AV_LOG_ERROR, "get_buffer() failed\n");
+    if ((ret = ff_get_buffer(avc, frame, 0)) < 0)
         return ret;
-    }
 
     if (avc->sample_fmt == AV_SAMPLE_FMT_S16)
         nb_samples = opus_multistream_decode(opus->dec, pkt->data, pkt->size,