-static int compat_decode(AVCodecContext *avctx, AVFrame *frame,
- int *got_frame, const AVPacket *pkt)
-{
- AVCodecInternal *avci = avctx->internal;
- int ret = 0;
-
- av_assert0(avci->compat_decode_consumed == 0);
-
- if (avci->draining_done && pkt && pkt->size != 0) {
- av_log(avctx, AV_LOG_WARNING, "Got unexpected packet after EOF\n");
- avcodec_flush_buffers(avctx);
- }
-
- *got_frame = 0;
- avci->compat_decode = 1;
-
- if (avci->compat_decode_partial_size > 0 &&
- avci->compat_decode_partial_size != pkt->size) {
- av_log(avctx, AV_LOG_ERROR,
- "Got unexpected packet size after a partial decode\n");
- ret = AVERROR(EINVAL);
- goto finish;
- }
-
- if (!avci->compat_decode_partial_size) {
- ret = avcodec_send_packet(avctx, pkt);
- if (ret == AVERROR_EOF)
- ret = 0;
- else if (ret == AVERROR(EAGAIN)) {
- /* we fully drain all the output in each decode call, so this should not
- * ever happen */
- ret = AVERROR_BUG;
- goto finish;
- } else if (ret < 0)
- goto finish;
- }
-
- while (ret >= 0) {
- ret = avcodec_receive_frame(avctx, frame);
- if (ret < 0) {
- if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
- ret = 0;
- goto finish;
- }
-
- if (frame != avci->compat_decode_frame) {
- if (!avctx->refcounted_frames) {
- ret = unrefcount_frame(avci, frame);
- if (ret < 0)
- goto finish;
- }
-
- *got_frame = 1;
- frame = avci->compat_decode_frame;
- } else {
- if (!avci->compat_decode_warned) {
- av_log(avctx, AV_LOG_WARNING, "The deprecated avcodec_decode_* "
- "API cannot return all the frames for this decoder. "
- "Some frames will be dropped. Update your code to the "
- "new decoding API to fix this.\n");
- avci->compat_decode_warned = 1;
- }
- }
-
- if (avci->draining || (!avctx->codec->bsfs && avci->compat_decode_consumed < pkt->size))
- break;
- }
-
-finish:
- if (ret == 0) {
- /* if there are any bsfs then assume full packet is always consumed */
- if (avctx->codec->bsfs)
- ret = pkt->size;
- else
- ret = FFMIN(avci->compat_decode_consumed, pkt->size);
- }
- avci->compat_decode_consumed = 0;
- avci->compat_decode_partial_size = (ret >= 0) ? pkt->size - ret : 0;
-
- return ret;
-}
-
-int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
- int *got_picture_ptr,
- const AVPacket *avpkt)
-{
- return compat_decode(avctx, picture, got_picture_ptr, avpkt);
-}
-
-int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
- AVFrame *frame,
- int *got_frame_ptr,
- const AVPacket *avpkt)
-{
- return compat_decode(avctx, frame, got_frame_ptr, avpkt);
-}
-