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Code Issues Releases Wiki Activity

Rename ffmpeg-4.2-fit to ffmpeg-4-fit

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winlin 2021-03-02 17:48:40 +08:00
parent b19074721c
commit 27712fdda7
720 changed files with 14 additions and 14 deletions
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trunk/3rdparty/ffmpeg-4-fit/libavcodec/audio_frame_queue.h vendored Normal file
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/*
* 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 */