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359a8a3e2d
Use the AVFrame.opaque_ref field. The original user's opaque_ref is wrapped in the lavc struct and then unwrapped before the frame is returned to the caller. This new struct will be useful in the following commits.
53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/*
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* generic decoding-related code
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_DECODE_H
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#define AVCODEC_DECODE_H
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#include "libavutil/buffer.h"
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#include "avcodec.h"
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/**
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* This struct stores per-frame lavc-internal data and is attached to it via
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* opaque_ref.
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*/
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typedef struct FrameDecodeData {
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/**
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* The original user-set opaque_ref.
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*/
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AVBufferRef *user_opaque_ref;
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} FrameDecodeData;
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/**
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* Called by decoders to get the next packet for decoding.
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*
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* @param pkt An empty packet to be filled with data.
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* @return 0 if a new reference has been successfully written to pkt
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* AVERROR(EAGAIN) if no data is currently available
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* AVERROR_EOF if and end of stream has been reached, so no more data
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* will be available
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*/
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int ff_decode_get_packet(AVCodecContext *avctx, AVPacket *pkt);
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void ff_decode_bsfs_uninit(AVCodecContext *avctx);
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#endif /* AVCODEC_DECODE_H */
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