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lavc: add a sample_rate field to AVFrame.

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The field is filled with the codec context information.
This commit is contained in:
Nicolas George 2012-04-28 14:07:50 +02:00
parent 4b0521eca9
commit 128dda7016
3 changed files with 12 additions and 0 deletions
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9
libavcodec/avcodec.h
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@ -1267,6 +1267,15 @@ typedef struct AVFrame {
*/
int64_t channel_layout;
/**
* sample rate of the audio frame
* - encoding: unused
* - decoding: read by user.
* Code outside libavcodec should access this field using:
* av_opt_ptr(avcodec_get_frame_class(), frame, "sample_rate")
*/
int sample_rate;
} AVFrame;
struct AVCodecInternal;

1
libavcodec/options.c
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@ -240,6 +240,7 @@ static const AVOption frame_options[]={
{"height", "", FOFFSET(height), AV_OPT_TYPE_INT, {.dbl = 0 }, 0, INT_MAX, 0},
{"format", "", FOFFSET(format), AV_OPT_TYPE_INT, {.dbl = -1 }, 0, INT_MAX, 0},
{"channel_layout", "", FOFFSET(channel_layout), AV_OPT_TYPE_INT64, {.dbl = 0 }, 0, INT64_MAX, 0},
{"sample_rate", "", FOFFSET(sample_rate), AV_OPT_TYPE_INT, {.dbl = 0 }, 0, INT_MAX, 0},
{NULL},
};

2
libavcodec/utils.c
View File

@ -1547,6 +1547,8 @@ int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
frame->format = avctx->sample_fmt;
if (!frame->channel_layout)
frame->channel_layout = avctx->channel_layout;
if (!frame->sample_rate)
frame->sample_rate = avctx->sample_rate;
}
avctx->pkt = NULL;