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decode: add a mechanism for performing delayed processing on the decoded frames

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This will be useful in the CUVID hwaccel.

Merges Libav commit badf0951f5.
This commit is contained in:
Anton Khirnov
2017-11-10 16:07:44 +01:00
committed by Timo Rothenpieler
parent 9f1cfd88af
commit 7fa64514c8
2 changed files with 29 additions and 0 deletions
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15
libavcodec/decode.c
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@@ -620,6 +620,18 @@ static int decode_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame)
av_assert0((frame->private_ref && frame->private_ref->size == sizeof(FrameDecodeData)) ||
!(avctx->codec->capabilities & AV_CODEC_CAP_DR1));
if (frame->private_ref) {
FrameDecodeData *fdd = (FrameDecodeData*)frame->private_ref->data;
if (fdd->post_process) {
ret = fdd->post_process(avctx, frame);
if (ret < 0) {
av_frame_unref(frame);
return ret;
}
}
}
av_buffer_unref(&frame->private_ref);
}
@@ -1566,6 +1578,9 @@ static void decode_data_free(void *opaque, uint8_t *data)
{
FrameDecodeData *fdd = (FrameDecodeData*)data;
if (fdd->post_process_opaque_free)
fdd->post_process_opaque_free(fdd->post_process_opaque);
av_freep(&fdd);
}