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ffmpeg-4.2.2/libavcodec/libvpx.c 2.19 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * Copyright (c) 2013 Guillaume Martres <smarter@ubuntu.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
   */
  
  #include <vpx/vpx_codec.h>
  #include "libvpx.h"
  #include "config.h"
  
  #if CONFIG_LIBVPX_VP9_ENCODER
  #include <vpx/vpx_encoder.h>
  #include <vpx/vp8cx.h>
  #endif
  
  static const enum AVPixelFormat vp9_pix_fmts_def[] = {
      AV_PIX_FMT_YUV420P,
      AV_PIX_FMT_YUVA420P,
      AV_PIX_FMT_NONE
  };
  
  #if CONFIG_LIBVPX_VP9_ENCODER
  static const enum AVPixelFormat vp9_pix_fmts_highcol[] = {
      AV_PIX_FMT_YUV420P,
      AV_PIX_FMT_YUVA420P,
      AV_PIX_FMT_YUV422P,
      AV_PIX_FMT_YUV440P,
      AV_PIX_FMT_YUV444P,
      AV_PIX_FMT_GBRP,
      AV_PIX_FMT_NONE
  };
  
  static const enum AVPixelFormat vp9_pix_fmts_highbd[] = {
      AV_PIX_FMT_YUV420P,
      AV_PIX_FMT_YUVA420P,
      AV_PIX_FMT_YUV422P,
      AV_PIX_FMT_YUV440P,
      AV_PIX_FMT_YUV444P,
      AV_PIX_FMT_YUV420P10,
      AV_PIX_FMT_YUV422P10,
      AV_PIX_FMT_YUV440P10,
      AV_PIX_FMT_YUV444P10,
      AV_PIX_FMT_YUV420P12,
      AV_PIX_FMT_YUV422P12,
      AV_PIX_FMT_YUV440P12,
      AV_PIX_FMT_YUV444P12,
      AV_PIX_FMT_GBRP,
      AV_PIX_FMT_GBRP10,
      AV_PIX_FMT_GBRP12,
      AV_PIX_FMT_NONE
  };
  #endif
  
  av_cold void ff_vp9_init_static(AVCodec *codec)
  {
      codec->pix_fmts = vp9_pix_fmts_def;
  #if CONFIG_LIBVPX_VP9_ENCODER
      {
          vpx_codec_caps_t codec_caps = vpx_codec_get_caps(vpx_codec_vp9_cx());
          if (codec_caps & VPX_CODEC_CAP_HIGHBITDEPTH)
              codec->pix_fmts = vp9_pix_fmts_highbd;
          else
              codec->pix_fmts = vp9_pix_fmts_highcol;
      }
  #endif
  }