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avutil/audio_fifo: add av_warn_unused_result 

This one should not trigger any warnings, but will be useful for future
robustness.

Strictly speaking, one could check the size after the call by examining
the structure instead of the return value. Such a use case is highly
unusual, and this commit may be easily reverted if there is a legitimate
need of such use.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
This commit is contained in:
Ganesh Ajjanagadde 2015-10-15 19:24:14 -04:00
parent 63fca9df9c
commit dd36749557
1 changed files with 1 additions and 0 deletions
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libavutil/audio_fifo.h
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@ -73,6 +73,7 @@ AVAudioFifo *av_audio_fifo_alloc(enum AVSampleFormat sample_fmt, int channels,
* @param nb_samples new allocation size, in samples * @param nb_samples new allocation size, in samples
* @return 0 if OK, or negative AVERROR code on failure * @return 0 if OK, or negative AVERROR code on failure
*/ */
av_warn_unused_result
int av_audio_fifo_realloc(AVAudioFifo *af, int nb_samples); int av_audio_fifo_realloc(AVAudioFifo *af, int nb_samples);
/** /**