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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /media/ffvpx/libavcodec/encode.h | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | media/ffvpx/libavcodec/encode.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/encode.h b/media/ffvpx/libavcodec/encode.h new file mode 100644 index 0000000000..26a3304045 --- /dev/null +++ b/media/ffvpx/libavcodec/encode.h @@ -0,0 +1,99 @@ +/* + * 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" +#include "packet.h" + +/** + * avcodec_receive_frame() implementation for encoders. + */ +int ff_encode_receive_frame(AVCodecContext *avctx, AVFrame *frame); + +/** + * 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); + +/** + * 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); + +/** + * Allocate buffers for a frame. Encoder equivalent to ff_get_buffer(). + */ +int ff_encode_alloc_frame(AVCodecContext *avctx, AVFrame *frame); + +/** + * Check AVPacket size and allocate data. + * + * Encoders of type FF_CODEC_CB_TYPE_ENCODE can use this as a convenience to + * obtain a big enough buffer for the encoded bitstream. + * + * @param avctx the AVCodecContext of the encoder + * @param avpkt The AVPacket: on success, avpkt->data will point to a buffer + * of size at least `size`; the packet will not be refcounted. + * This packet must be initially blank. + * @param size an upper bound of the size of the packet to encode + * @return non negative on success, negative error code on failure + */ +int ff_alloc_packet(AVCodecContext *avctx, AVPacket *avpkt, int64_t size); + +/** + * Propagate user opaque values from the frame to avctx/pkt as needed. + */ +int ff_encode_reordered_opaque(AVCodecContext *avctx, + AVPacket *pkt, const AVFrame *frame); + +/* + * Perform encoder initialization and validation. + * Called when opening the encoder, before the FFCodec.init() call. + */ +int ff_encode_preinit(AVCodecContext *avctx); + +int ff_encode_encode_cb(AVCodecContext *avctx, AVPacket *avpkt, + AVFrame *frame, int *got_packet); + +/** + * Rescale from sample rate to AVCodecContext.time_base. + */ +static av_always_inline int64_t ff_samples_to_time_base(const AVCodecContext *avctx, + int64_t samples) +{ + if (samples == AV_NOPTS_VALUE) + return AV_NOPTS_VALUE; + return av_rescale_q(samples, (AVRational){ 1, avctx->sample_rate }, + avctx->time_base); +} + +#endif /* AVCODEC_ENCODE_H */ |