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libopenh264enc: export CPB props side data

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This commit is contained in:
Anton Khirnov 2015-10-03 15:19:10 +02:00
parent f0b769c16d
commit 11c9bd633f
3 changed files with 40 additions and 0 deletions
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5
libavcodec/internal.h
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@ -240,4 +240,9 @@ int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt);
*/
int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame);
/**
* Add a CPB properties side data to an encoding context.
*/
AVCPBProperties *ff_add_cpb_side_data(AVCodecContext *avctx);
#endif /* AVCODEC_INTERNAL_H */

9
libavcodec/libopenh264enc.c
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@ -108,6 +108,7 @@ static av_cold int svc_encode_init(AVCodecContext *avctx)
int err = AVERROR_UNKNOWN;
int log_level;
WelsTraceCallback callback_function;
AVCPBProperties *props;
// Mingw GCC < 4.7 on x86_32 uses an incorrect/buggy ABI for the WelsGetCodecVersion
// function (for functions returning larger structs), thus skip the check in those
@ -223,6 +224,14 @@ static av_cold int svc_encode_init(AVCodecContext *avctx)
memcpy(avctx->extradata, fbi.sLayerInfo[0].pBsBuf, size);
}
props = ff_add_cpb_side_data(avctx);
if (!props) {
err = AVERROR(ENOMEM);
goto fail;
}
props->max_bitrate = param.iMaxBitrate;
props->avg_bitrate = param.iTargetBitrate;
return 0;
fail:

26
libavcodec/utils.c
View File

@ -2383,3 +2383,29 @@ AVCPBProperties *av_cpb_properties_alloc(size_t *size)
return props;
}
AVCPBProperties *ff_add_cpb_side_data(AVCodecContext *avctx)
{
AVPacketSideData *tmp;
AVCPBProperties *props;
size_t size;
props = av_cpb_properties_alloc(&size);
if (!props)
return NULL;
tmp = av_realloc_array(avctx->coded_side_data, avctx->nb_coded_side_data + 1, sizeof(*tmp));
if (!tmp) {
av_freep(&props);
return NULL;
}
avctx->coded_side_data = tmp;
avctx->nb_coded_side_data++;
avctx->coded_side_data[avctx->nb_coded_side_data - 1].type = AV_PKT_DATA_CPB_PROPERTIES;
avctx->coded_side_data[avctx->nb_coded_side_data - 1].data = (uint8_t*)props;
avctx->coded_side_data[avctx->nb_coded_side_data - 1].size = size;
return props;
}