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ffmpeg-4.2.2/libavcodec/mediacodecdec_common.h 2.85 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * Android MediaCodec decoder
   *
   * Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
   *
   * 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_MEDIACODECDEC_COMMON_H
  #define AVCODEC_MEDIACODECDEC_COMMON_H
  
  #include <stdint.h>
  #include <stdatomic.h>
  #include <stdbool.h>
  #include <sys/types.h>
  
  #include "libavutil/frame.h"
  #include "libavutil/pixfmt.h"
  
  #include "avcodec.h"
  #include "mediacodec_wrapper.h"
  
  typedef struct MediaCodecDecContext {
  
      AVCodecContext *avctx;
      atomic_int refcount;
      atomic_int hw_buffer_count;
  
      char *codec_name;
  
      FFAMediaCodec *codec;
      FFAMediaFormat *format;
  
      void *surface;
  
      int started;
      int draining;
      int flushing;
      int eos;
  
      int width;
      int height;
      int stride;
      int slice_height;
      int color_format;
      int crop_top;
      int crop_bottom;
      int crop_left;
      int crop_right;
      int display_width;
      int display_height;
  
      uint64_t output_buffer_count;
      ssize_t current_input_buffer;
  
      bool delay_flush;
      atomic_int serial;
  
  } MediaCodecDecContext;
  
  int ff_mediacodec_dec_init(AVCodecContext *avctx,
                             MediaCodecDecContext *s,
                             const char *mime,
                             FFAMediaFormat *format);
  
  int ff_mediacodec_dec_send(AVCodecContext *avctx,
                             MediaCodecDecContext *s,
                             AVPacket *pkt,
                             bool wait);
  
  int ff_mediacodec_dec_receive(AVCodecContext *avctx,
                                MediaCodecDecContext *s,
                                AVFrame *frame,
                                bool wait);
  
  int ff_mediacodec_dec_flush(AVCodecContext *avctx,
                              MediaCodecDecContext *s);
  
  int ff_mediacodec_dec_close(AVCodecContext *avctx,
                              MediaCodecDecContext *s);
  
  int ff_mediacodec_dec_is_flushing(AVCodecContext *avctx,
                                    MediaCodecDecContext *s);
  
  typedef struct MediaCodecBuffer {
  
      MediaCodecDecContext *ctx;
      ssize_t index;
      int64_t pts;
      atomic_int released;
      int serial;
  
  } MediaCodecBuffer;
  
  #endif /* AVCODEC_MEDIACODECDEC_COMMON_H */