You've already forked libopenshot
mirror of
https://github.com/OpenShot/libopenshot.git
synced 2026-03-02 08:53:52 -08:00
a6087dab3a
Better bounds checking, and support at the end of the video file Improved debug output, which helped resolve many issues Implemented the newest audio decoding API (old one was depreciated) Now support packed and planar audio data Far superier audio resampling support
81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/**
|
|
* @file
|
|
* @brief Header file for FFmpegUtilities
|
|
* @author Jonathan Thomas <jonathan@openshot.org>
|
|
*
|
|
* @section LICENSE
|
|
*
|
|
* Copyright (c) 2008-2014 OpenShot Studios, LLC
|
|
* <http://www.openshotstudios.com/>. This file is part of
|
|
* OpenShot Library (libopenshot), an open-source project dedicated to
|
|
* delivering high quality video editing and animation solutions to the
|
|
* world. For more information visit <http://www.openshot.org/>.
|
|
*
|
|
* OpenShot Library (libopenshot) 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 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* OpenShot Library (libopenshot) 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 OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef OPENSHOT_FFMPEG_UTILITIES_H
|
|
#define OPENSHOT_FFMPEG_UTILITIES_H
|
|
|
|
// Required for libavformat to build on Windows
|
|
#ifndef INT64_C
|
|
#define INT64_C(c) (c ## LL)
|
|
#define UINT64_C(c) (c ## ULL)
|
|
#endif
|
|
|
|
// Include the FFmpeg headers
|
|
extern "C" {
|
|
#include <libavcodec/avcodec.h>
|
|
#include <libavformat/avformat.h>
|
|
#include <libswscale/swscale.h>
|
|
#include <libavresample/avresample.h>
|
|
#include <libavutil/mathematics.h>
|
|
#include <libavutil/pixfmt.h>
|
|
#include <libavutil/pixdesc.h>
|
|
|
|
// libavutil changed folders at some point
|
|
#if LIBAVFORMAT_VERSION_MAJOR >= 53
|
|
#include <libavutil/opt.h>
|
|
#else
|
|
#include <libavcodec/opt.h>
|
|
#endif
|
|
|
|
// channel header refactored
|
|
#if LIBAVFORMAT_VERSION_MAJOR >= 54
|
|
#include <libavutil/channel_layout.h>
|
|
#endif
|
|
}
|
|
|
|
// This was removed from newer versions of FFmpeg (but still used in libopenshot)
|
|
#ifndef AVCODEC_MAX_AUDIO_FRAME_SIZE
|
|
#define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio
|
|
#endif
|
|
#ifndef AV_ERROR_MAX_STRING_SIZE
|
|
#define AV_ERROR_MAX_STRING_SIZE 64
|
|
#endif
|
|
|
|
// This wraps an unsafe C macro to be C++ compatible function
|
|
static const std::string av_make_error_string(int errnum)
|
|
{
|
|
char errbuf[AV_ERROR_MAX_STRING_SIZE];
|
|
av_strerror(errnum, errbuf, AV_ERROR_MAX_STRING_SIZE);
|
|
return (std::string)errbuf;
|
|
}
|
|
|
|
// Redefine the C macro to use our new C++ function
|
|
#undef av_err2str
|
|
#define av_err2str(errnum) av_make_error_string(errnum).c_str()
|
|
|
|
#endif
|