Line data    Source code

       1              : /*
       2              :  *  Copyright (C) 2004-2026 Savoir-faire Linux Inc.
       3              :  *
       4              :  *  This program is free software: you can redistribute it and/or modify
       5              :  *  it under the terms of the GNU General Public License as published by
       6              :  *  the Free Software Foundation, either version 3 of the License, or
       7              :  *  (at your option) any later version.
       8              :  *
       9              :  *  This program is distributed in the hope that it will be useful,
      10              :  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
      11              :  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      12              :  *  GNU General Public License for more details.
      13              :  *
      14              :  *  You should have received a copy of the GNU General Public License
      15              :  *  along with this program. If not, see <https://www.gnu.org/licenses/>.
      16              :  */
      17              : #pragma once
      18              : #include "media/audio/audio_format.h"
      19              : 
      20              : #include <libavutil/samplefmt.h>
      21              : 
      22              : #include <string>
      23              : #include <memory>
      24              : 
      25              : extern "C" {
      26              : struct AVDictionary;
      27              : struct AVFrame;
      28              : struct AVPixFmtDescriptor;
      29              : struct AVBufferRef;
      30              : struct AVCodec;
      31              : void av_buffer_unref(AVBufferRef** buf);
      32              : }
      33              : 
      34              : namespace jami {
      35              : namespace libav_utils {
      36              : 
      37              : void av_init();
      38              : 
      39              : const char* const DEFAULT_H264_PROFILE_LEVEL_ID = "profile-level-id=428029";
      40              : const char* const MAX_H264_PROFILE_LEVEL_ID = "profile-level-id=640034";
      41              : 
      42              : enum AVSampleFormat choose_sample_fmt(const AVCodec* codec,
      43              :                                       const enum AVSampleFormat* preferred_formats,
      44              :                                       int preferred_formats_count);
      45              : enum AVSampleFormat choose_sample_fmt_default(const AVCodec* codec, enum AVSampleFormat defaultFormat);
      46              : 
      47              : bool is_yuv_planar(const AVPixFmtDescriptor& desc);
      48              : 
      49              : std::string getError(int err);
      50              : 
      51              : const char* getDictValue(const AVDictionary* d, const std::string& key, int flags = 0);
      52              : 
      53              : void setDictValue(AVDictionary** d, const std::string& key, const std::string& value, int flags = 0);
      54              : 
      55              : void fillWithBlack(AVFrame* frame);
      56              : 
      57              : void fillWithSilence(AVFrame* frame);
      58              : 
      59              : AudioFormat getFormat(const AVFrame* frame);
      60              : 
      61              : struct AVBufferRef_deleter
      62              : {
      63          185 :     void operator()(AVBufferRef* buf) const { av_buffer_unref(&buf); }
      64              : };
      65              : 
      66              : typedef std::unique_ptr<AVBufferRef, AVBufferRef_deleter> AVBufferPtr;
      67              : 
      68              : } // namespace libav_utils
      69              : } // namespace jami