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FFmpeg/libavcodec/encode.h

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avcodec/encode: restructure the core encoding code This commit follows the same logic as 061a0c14bb, but for the encode API: The new public encoding API will no longer be a wrapper around the old deprecated one, and the internal API used by the encoders now consists of a single receive_packet() callback that pulls frames as required. amf encoders adapted by James Almer librav1e encoder adapted by James Almer nvidia encoders adapted by James Almer MediaFoundation encoders adapted by James Almer vaapi encoders adapted by Linjie Fu v4l2_m2m encoders adapted by Andriy Gelman Signed-off-by: James Almer <jamrial@gmail.com>
5 years ago
/*
* generic encoding-related code
*
* 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
*/
#ifndef AVCODEC_ENCODE_H
#define AVCODEC_ENCODE_H
#include "libavutil/frame.h"
#include "avcodec.h"
avcodec: add a get_encode_buffer() callback to AVCodecContext This callback is functionally the same as get_buffer2() is for decoders, and implements for the new encode API the functionality of the old encode API had where the user could provide their own buffers. Reviewed-by: Lynne <dev@lynne.ee> Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Reviewed-by: Mark Thompson <sw@jkqxz.net> Signed-off-by: James Almer <jamrial@gmail.com>
4 years ago
#include "packet.h"
avcodec/encode: restructure the core encoding code This commit follows the same logic as 061a0c14bb, but for the encode API: The new public encoding API will no longer be a wrapper around the old deprecated one, and the internal API used by the encoders now consists of a single receive_packet() callback that pulls frames as required. amf encoders adapted by James Almer librav1e encoder adapted by James Almer nvidia encoders adapted by James Almer MediaFoundation encoders adapted by James Almer vaapi encoders adapted by Linjie Fu v4l2_m2m encoders adapted by Andriy Gelman Signed-off-by: James Almer <jamrial@gmail.com>
5 years ago
/**
* Called by encoders to get the next frame for encoding.
*
* @param frame An empty frame to be filled with data.
* @return 0 if a new reference has been successfully written to frame
* AVERROR(EAGAIN) if no data is currently available
* AVERROR_EOF if end of stream has been reached, so no more data
* will be available
*/
int ff_encode_get_frame(AVCodecContext *avctx, AVFrame *frame);
avcodec: add a get_encode_buffer() callback to AVCodecContext This callback is functionally the same as get_buffer2() is for decoders, and implements for the new encode API the functionality of the old encode API had where the user could provide their own buffers. Reviewed-by: Lynne <dev@lynne.ee> Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Reviewed-by: Mark Thompson <sw@jkqxz.net> Signed-off-by: James Almer <jamrial@gmail.com>
4 years ago
/**
* Get a buffer for a packet. This is a wrapper around
* AVCodecContext.get_encode_buffer() and should be used instead calling get_encode_buffer()
* directly.
*/
int ff_get_encode_buffer(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int flags);
lavc: factor out encoder init/validation from avcodec_open2() avcodec_open2() is massive, splitting it makes it more readable. Also, add a missing error code to ticks_per_frame sanity check.
4 years ago
/*
* Perform encoder initialization and validation.
* Called when opening the encoder, before the AVCodec.init() call.
*/
int ff_encode_preinit(AVCodecContext *avctx);
avcodec/encode: restructure the core encoding code This commit follows the same logic as 061a0c14bb, but for the encode API: The new public encoding API will no longer be a wrapper around the old deprecated one, and the internal API used by the encoders now consists of a single receive_packet() callback that pulls frames as required. amf encoders adapted by James Almer librav1e encoder adapted by James Almer nvidia encoders adapted by James Almer MediaFoundation encoders adapted by James Almer vaapi encoders adapted by Linjie Fu v4l2_m2m encoders adapted by Andriy Gelman Signed-off-by: James Almer <jamrial@gmail.com>
5 years ago
#endif /* AVCODEC_ENCODE_H */