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samplefmt: make av_samples_alloc() initialize the data to silence.

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Right now the buffer is zeroed, which does not represent silence for U8(P).
This commit is contained in:
Anton Khirnov 2012-10-03 07:54:45 +02:00
parent c9df48909e
commit cd15b7c03d
3 changed files with 6 additions and 2 deletions
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5
libavutil/samplefmt.c
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@ -174,7 +174,7 @@ int av_samples_alloc(uint8_t **audio_data, int *linesize, int nb_channels,
if (size < 0)
return size;
buf = av_mallocz(size);
buf = av_malloc(size);
if (!buf)
return AVERROR(ENOMEM);
@ -184,6 +184,9 @@ int av_samples_alloc(uint8_t **audio_data, int *linesize, int nb_channels,
av_free(buf);
return size;
}
av_samples_set_silence(audio_data, 0, nb_samples, nb_channels, sample_fmt);
return 0;
}

1
libavutil/samplefmt.h
View File

@ -182,6 +182,7 @@ int av_samples_fill_arrays(uint8_t **audio_data, int *linesize,
* Allocate a samples buffer for nb_samples samples, and fill data pointers and
* linesize accordingly.
* The allocated samples buffer can be freed by using av_freep(&audio_data[0])
* Allocated data will be initialized to silence.
*
* @see enum AVSampleFormat
* The documentation for AVSampleFormat describes the data layout.

2
libavutil/version.h
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@ -38,7 +38,7 @@
#define LIBAVUTIL_VERSION_MAJOR 51
#define LIBAVUTIL_VERSION_MINOR 41
#define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_MICRO 1
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
LIBAVUTIL_VERSION_MINOR, \