blob: 59c61a3a4c8022b9303b7047f7df4df55ce5ebdb
| 1 | /* |
| 2 | * OpenH264 shared utils |
| 3 | * Copyright (C) 2014 Martin Storsjo |
| 4 | * |
| 5 | * This file is part of FFmpeg. |
| 6 | * |
| 7 | * FFmpeg is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Lesser General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2.1 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * FFmpeg is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Lesser General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public |
| 18 | * License along with FFmpeg; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | #include <string.h> |
| 23 | #include <wels/codec_api.h> |
| 24 | #include <wels/codec_ver.h> |
| 25 | |
| 26 | #include "libavutil/log.h" |
| 27 | |
| 28 | #include "libopenh264.h" |
| 29 | |
| 30 | // Convert libopenh264 log level to equivalent ffmpeg log level. |
| 31 | static int libopenh264_to_ffmpeg_log_level(int libopenh264_log_level) |
| 32 | { |
| 33 | if (libopenh264_log_level >= WELS_LOG_DETAIL) return AV_LOG_TRACE; |
| 34 | else if (libopenh264_log_level >= WELS_LOG_DEBUG) return AV_LOG_DEBUG; |
| 35 | else if (libopenh264_log_level >= WELS_LOG_INFO) return AV_LOG_VERBOSE; |
| 36 | else if (libopenh264_log_level >= WELS_LOG_WARNING) return AV_LOG_WARNING; |
| 37 | else if (libopenh264_log_level >= WELS_LOG_ERROR) return AV_LOG_ERROR; |
| 38 | else return AV_LOG_QUIET; |
| 39 | } |
| 40 | |
| 41 | void ff_libopenh264_trace_callback(void *ctx, int level, const char *msg) |
| 42 | { |
| 43 | // The message will be logged only if the requested EQUIVALENT ffmpeg log level is |
| 44 | // less than or equal to the current ffmpeg log level. |
| 45 | int equiv_ffmpeg_log_level = libopenh264_to_ffmpeg_log_level(level); |
| 46 | av_log(ctx, equiv_ffmpeg_log_level, "%s\n", msg); |
| 47 | } |
| 48 | |
| 49 | int ff_libopenh264_check_version(void *logctx) |
| 50 | { |
| 51 | // Mingw GCC < 4.7 on x86_32 uses an incorrect/buggy ABI for the WelsGetCodecVersion |
| 52 | // function (for functions returning larger structs), thus skip the check in those |
| 53 | // configurations. |
| 54 | #if !defined(_WIN32) || !defined(__GNUC__) || !ARCH_X86_32 || AV_GCC_VERSION_AT_LEAST(4, 7) |
| 55 | OpenH264Version libver = WelsGetCodecVersion(); |
| 56 | if (memcmp(&libver, &g_stCodecVersion, sizeof(libver))) { |
| 57 | av_log(logctx, AV_LOG_ERROR, "Incorrect library version loaded\n"); |
| 58 | return AVERROR(EINVAL); |
| 59 | } |
| 60 | #endif |
| 61 | return 0; |
| 62 | } |
| 63 |