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lavc: add a header for internal generic-layer APIs

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The goal is to distinguish between APIs provided by the generic layer to
individual codecs and APIs internal to the generic layer.

Start by moving ff_{decode,encode}_receive_frame() and
ff_{decode,encode}_preinit() into this new header, as those functions
are called from generic code and should not be visible to individual
codecs.
This commit is contained in:
Anton Khirnov
2023-06-20 12:29:50 +02:00
parent 83c0f7b046
commit 5e7b5b0090
6 changed files with 56 additions and 22 deletions
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53
libavcodec/avcodec_internal.h Normal file
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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* APIs internal to the generic codec layer.
*
* MUST NOT be included by individual encoders or decoders.
*/
#ifndef AVCODEC_AVCODEC_INTERNAL_H
#define AVCODEC_AVCODEC_INTERNAL_H
struct AVCodecContext;
struct AVFrame;
/**
* avcodec_receive_frame() implementation for decoders.
*/
int ff_decode_receive_frame(struct AVCodecContext *avctx, struct AVFrame *frame);
/**
* avcodec_receive_frame() implementation for encoders.
*/
int ff_encode_receive_frame(struct AVCodecContext *avctx, struct AVFrame *frame);
/*
* Perform encoder initialization and validation.
* Called when opening the encoder, before the FFCodec.init() call.
*/
int ff_encode_preinit(struct AVCodecContext *avctx);
/**
* Perform decoder initialization and validation.
* Called when opening the decoder, before the FFCodec.init() call.
*/
int ff_decode_preinit(struct AVCodecContext *avctx);
#endif // AVCODEC_AVCODEC_INTERNAL_H