git.sesse.net Git - casparcg/blob - modules/ffmpeg/ffmpeg_error.h

   1 /*
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
   3 *
   4 * This file is part of CasparCG (www.casparcg.com).
   5 *
   6 * CasparCG is free software: you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation, either version 3 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * CasparCG is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
  18 *
  19 * Author: Robert Nagy, ronag89@gmail.com
  20 */
  21
  22 #pragma once
  23
  24 #include <common/except.h>
  25
  26 #include <string>
  27
  28 namespace caspar { namespace ffmpeg {
  29
  30 struct ffmpeg_error : virtual caspar_exception{};
  31 struct ffmpeg_user_error : virtual user_error {};
  32 struct averror_bsf_not_found : virtual ffmpeg_error{};
  33 struct averror_decoder_not_found : virtual ffmpeg_user_error {};
  34 struct averror_demuxer_not_found : virtual ffmpeg_user_error {};
  35 struct averror_encoder_not_found : virtual ffmpeg_user_error {};
  36 struct averror_eof : virtual ffmpeg_error{};
  37 struct averror_exit : virtual ffmpeg_error{};
  38 struct averror_filter_not_found : virtual ffmpeg_user_error {};
  39 struct averror_muxer_not_found : virtual ffmpeg_user_error {};
  40 struct averror_option_not_found : virtual ffmpeg_user_error {};
  41 struct averror_patchwelcome : virtual ffmpeg_error{};
  42 struct averror_protocol_not_found : virtual ffmpeg_user_error {};
  43 struct averror_stream_not_found : virtual ffmpeg_error{};
  44 struct averror_invalid_argument : virtual ffmpeg_user_error {};
  45
  46 std::string av_error_str(int errn);
  47
  48 void throw_on_ffmpeg_error(int ret, const char* source, const char* func, const char* local_func, const char* file, int line);
  49 void throw_on_ffmpeg_error(int ret, const std::wstring& source, const char* func, const char* local_func, const char* file, int line);
  50
  51
  52 //#define THROW_ON_ERROR(ret, source, func) throw_on_ffmpeg_error(ret, source, __FUNC__, __FILE__, __LINE__)
  53
  54 #define THROW_ON_ERROR_STR_(call) #call
  55 #define THROW_ON_ERROR_STR(call) THROW_ON_ERROR_STR_(call)
  56
  57 #define THROW_ON_ERROR(ret, func, source) \
  58                 throw_on_ffmpeg_error(ret, source, func, __FUNCTION__, __FILE__, __LINE__);
  59
  60 #define THROW_ON_ERROR2(call, source)                                                                           \
  61         [&]() -> int                                                                                                                    \
  62         {                                                                                                                                               \
  63                 int ret = call;                                                                                                         \
  64                 throw_on_ffmpeg_error(ret, source, THROW_ON_ERROR_STR(call), __FUNCTION__, __FILE__, __LINE__); \
  65                 return ret;                                                                                                                     \
  66         }()
  67
  68 #define LOG_ON_ERROR2(call, source)                                                                                     \
  69         [&]() -> int                                                                                                                    \
  70         {                                       \
  71                 int ret = -1;\
  72                 try{                                                                                                                            \
  73                  ret = call;                                                                                                                    \
  74                 throw_on_ffmpeg_error(ret, source, THROW_ON_ERROR_STR(call), __FUNCTION__, __FILE__, __LINE__); \
  75                 return ret;                                                                                                                     \
  76                 }catch(...){CASPAR_LOG_CURRENT_EXCEPTION();}                                            \
  77                 return ret;                                                                                                                     \
  78         }()
  79
  80 #define FF_RET(ret, func) \
  81                 caspar::ffmpeg::throw_on_ffmpeg_error(ret, L"", func, __FUNCTION__, __FILE__, __LINE__);
  82
  83 #define FF(call)                                                                                \
  84         [&]() -> int                                                                                                            \
  85         {                                                                                                                                               \
  86                 auto ret = call;                                                                                                                \
  87                 caspar::ffmpeg::throw_on_ffmpeg_error(static_cast<int>(ret), L"", THROW_ON_ERROR_STR(call), __FUNCTION__, __FILE__, __LINE__);  \
  88                 return ret;                                                                                                                     \
  89         }()
  90
  91 }}