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lavc/avcodec: split flushing into decode- and encode-specific functions

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Will allow making some state private to encoding/decoding in the future.
This commit is contained in:
Anton Khirnov 2023-06-20 12:52:49 +02:00
parent 5e7b5b0090
commit 6ff27024b8
4 changed files with 31 additions and 14 deletions

17
libavcodec/avcodec.c

@ -383,23 +383,12 @@ void avcodec_flush_buffers(AVCodecContext *avctx)
"that doesn't support it\n");
return;
}
if (avci->in_frame)
av_frame_unref(avci->in_frame);
if (avci->recon_frame)
av_frame_unref(avci->recon_frame);
} else {
av_packet_unref(avci->last_pkt_props);
av_packet_unref(avci->in_pkt);
avctx->pts_correction_last_pts =
avctx->pts_correction_last_dts = INT64_MIN;
av_bsf_flush(avci->bsf);
}
ff_encode_flush_buffers(avctx);
} else
ff_decode_flush_buffers(avctx);
avci->draining = 0;
avci->draining_done = 0;
avci->nb_draining_errors = 0;
av_frame_unref(avci->buffer_frame);
av_packet_unref(avci->buffer_pkt);

3
libavcodec/avcodec_internal.h

@ -50,4 +50,7 @@ int ff_encode_preinit(struct AVCodecContext *avctx);
*/
int ff_decode_preinit(struct AVCodecContext *avctx);
void ff_decode_flush_buffers(struct AVCodecContext *avctx);
void ff_encode_flush_buffers(struct AVCodecContext *avctx);
#endif // AVCODEC_AVCODEC_INTERNAL_H

15
libavcodec/decode.c

@ -1740,3 +1740,18 @@ AVBufferRef *ff_hwaccel_frame_priv_alloc(AVCodecContext *avctx,
return ref;
}
void ff_decode_flush_buffers(AVCodecContext *avctx)
{
AVCodecInternal *avci = avctx->internal;
av_packet_unref(avci->last_pkt_props);
av_packet_unref(avci->in_pkt);
avctx->pts_correction_last_pts =
avctx->pts_correction_last_dts = INT64_MIN;
av_bsf_flush(avci->bsf);
avci->nb_draining_errors = 0;
}

10
libavcodec/encode.c

@ -785,3 +785,13 @@ int ff_encode_receive_frame(AVCodecContext *avctx, AVFrame *frame)
av_frame_move_ref(frame, avci->recon_frame);
return 0;
}
void ff_encode_flush_buffers(AVCodecContext *avctx)
{
AVCodecInternal *avci = avctx->internal;
if (avci->in_frame)
av_frame_unref(avci->in_frame);
if (avci->recon_frame)
av_frame_unref(avci->recon_frame);
}