From def92d1b8e9d373e2f6f27c366d578d97d8960c6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 15 May 2024 05:34:50 +0200 Subject: Merging upstream version 126.0. Signed-off-by: Daniel Baumann --- media/ffvpx/libavcodec/audio_frame_queue.h | 83 ++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 media/ffvpx/libavcodec/audio_frame_queue.h (limited to 'media/ffvpx/libavcodec/audio_frame_queue.h') diff --git a/media/ffvpx/libavcodec/audio_frame_queue.h b/media/ffvpx/libavcodec/audio_frame_queue.h new file mode 100644 index 0000000000..d8076eae54 --- /dev/null +++ b/media/ffvpx/libavcodec/audio_frame_queue.h @@ -0,0 +1,83 @@ +/* + * Audio Frame Queue + * Copyright (c) 2012 Justin Ruggles + * + * 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_AUDIO_FRAME_QUEUE_H +#define AVCODEC_AUDIO_FRAME_QUEUE_H + +#include "avcodec.h" + +typedef struct AudioFrame { + int64_t pts; + int duration; +} AudioFrame; + +typedef struct AudioFrameQueue { + AVCodecContext *avctx; + int remaining_delay; + int remaining_samples; + AudioFrame *frames; + unsigned frame_count; + unsigned frame_alloc; +} AudioFrameQueue; + +/** + * Initialize AudioFrameQueue. + * + * @param avctx context to use for time_base and av_log + * @param afq queue context + */ +void ff_af_queue_init(AVCodecContext *avctx, AudioFrameQueue *afq); + +/** + * Close AudioFrameQueue. + * + * Frees memory if needed. + * + * @param afq queue context + */ +void ff_af_queue_close(AudioFrameQueue *afq); + +/** + * Add a frame to the queue. + * + * @param afq queue context + * @param f frame to add to the queue + */ +int ff_af_queue_add(AudioFrameQueue *afq, const AVFrame *f); + +/** + * Remove frame(s) from the queue. + * + * Retrieves the pts of the next available frame, or a generated pts based on + * the last frame duration if there are no frames left in the queue. The number + * of requested samples should be the full number of samples represented by the + * packet that will be output by the encoder. If fewer samples are available + * in the queue, a smaller value will be used for the output duration. + * + * @param afq queue context + * @param nb_samples number of samples to remove from the queue + * @param[out] pts output packet pts + * @param[out] duration output packet duration + */ +void ff_af_queue_remove(AudioFrameQueue *afq, int nb_samples, int64_t *pts, + int64_t *duration); + +#endif /* AVCODEC_AUDIO_FRAME_QUEUE_H */ -- cgit v1.2.3