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ffmpeg-4.2.2/libavdevice/sndio.h 1.36 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * sndio play and grab interface
   * Copyright (c) 2010 Jacob Meuser
   *
   * 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 AVDEVICE_SNDIO_H
  #define AVDEVICE_SNDIO_H
  
  #include <stdint.h>
  #include <sndio.h>
  
  #include "libavutil/log.h"
  #include "avdevice.h"
  
  typedef struct SndioData {
      AVClass *class;
      struct sio_hdl *hdl;
      enum AVCodecID codec_id;
      int64_t hwpos;
      int64_t softpos;
      uint8_t *buffer;
      int bps;
      int buffer_size;
      int buffer_offset;
      int channels;
      int sample_rate;
  } SndioData;
  
  int ff_sndio_open(AVFormatContext *s1, int is_output, const char *audio_device);
  int ff_sndio_close(SndioData *s);
  
  #endif /* AVDEVICE_SNDIO_H */