/** * @file * @brief Header file for FFmpegUtilities * @author Jonathan Thomas * * @section LICENSE * * Copyright (c) 2008-2014 OpenShot Studios, LLC * . 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 . * * 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 . */ #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 #ifndef IS_FFMPEG_3_2 #define IS_FFMPEG_3_2 (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 64, 101)) #endif // Include the FFmpeg headers extern "C" { #include #include #if (LIBAVFORMAT_VERSION_MAJOR >= 57) #include //PM #endif #include // Change this to the first version swrescale works #if (LIBAVFORMAT_VERSION_MAJOR >= 57) #define USE_SW #endif #ifdef USE_SW #include #else #include #endif #include #include #include // libavutil changed folders at some point #if LIBAVFORMAT_VERSION_MAJOR >= 53 #include #else #include #endif // channel header refactored #if LIBAVFORMAT_VERSION_MAJOR >= 54 #include #endif #if IS_FFMPEG_3_2 #include "libavutil/imgutils.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 #ifndef AUDIO_PACKET_ENCODING_SIZE #define AUDIO_PACKET_ENCODING_SIZE 768000 // 48khz * S16 (2 bytes) * max channels (8) #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); std::string errstring(errbuf); return errstring; } // Redefine the C macro to use our new C++ function #undef av_err2str #define av_err2str(errnum) av_make_error_string(errnum).c_str() // Define this for compatibility #ifndef PixelFormat #define PixelFormat AVPixelFormat #endif #ifndef PIX_FMT_RGBA #define PIX_FMT_RGBA AV_PIX_FMT_RGBA #endif #ifndef PIX_FMT_NONE #define PIX_FMT_NONE AV_PIX_FMT_NONE #endif #ifndef PIX_FMT_RGB24 #define PIX_FMT_RGB24 AV_PIX_FMT_RGB24 #endif #ifndef PIX_FMT_YUV420P #define PIX_FMT_YUV420P AV_PIX_FMT_YUV420P #endif #ifdef USE_SW #define SWR_CONVERT(ctx, out, linesize, out_count, in, linesize2, in_count) \ swr_convert(ctx, out, out_count, (const uint8_t **)in, in_count) #define SWR_ALLOC() swr_alloc() #define SWR_CLOSE(ctx) {} #define SWR_FREE(ctx) swr_free(ctx) #define SWR_INIT(ctx) swr_init(ctx) #define SWRCONTEXT SwrContext #else #define SWR_CONVERT(ctx, out, linesize, out_count, in, linesize2, in_count) \ avresample_convert(ctx, out, linesize, out_count, (uint8_t **)in, linesize2, in_count) #define SWR_ALLOC() avresample_alloc_context() #define SWR_CLOSE(ctx) avresample_close(ctx) #define SWR_FREE(ctx) avresample_free(ctx) #define SWR_INIT(ctx) avresample_open(ctx) #define SWRCONTEXT AVAudioResampleContext #endif #if (LIBAVFORMAT_VERSION_MAJOR >= 58) #define AV_REGISTER_ALL #define AVCODEC_REGISTER_ALL #define AV_FILENAME url #define MY_INPUT_BUFFER_PADDING_SIZE AV_INPUT_BUFFER_PADDING_SIZE #define AV_ALLOCATE_FRAME() av_frame_alloc() #define AV_ALLOCATE_IMAGE(av_frame, pix_fmt, width, height) av_image_alloc(av_frame->data, av_frame->linesize, width, height, pix_fmt, 1) #define AV_RESET_FRAME(av_frame) av_frame_unref(av_frame) #define AV_FREE_FRAME(av_frame) av_frame_free(av_frame) #define AV_FREE_PACKET(av_packet) av_packet_unref(av_packet) #define AV_FREE_CONTEXT(av_context) avcodec_free_context(&av_context) #define AV_GET_CODEC_TYPE(av_stream) av_stream->codecpar->codec_type #define AV_FIND_DECODER_CODEC_ID(av_stream) av_stream->codecpar->codec_id auto AV_GET_CODEC_CONTEXT = [](AVStream* av_stream, AVCodec* av_codec) { \ AVCodecContext *context = avcodec_alloc_context3(av_codec); \ avcodec_parameters_to_context(context, av_stream->codecpar); \ return context; \ }; #define AV_GET_CODEC_PAR_CONTEXT(av_stream, av_codec) av_codec; #define AV_GET_CODEC_FROM_STREAM(av_stream,codec_in) #define AV_GET_CODEC_ATTRIBUTES(av_stream, av_context) av_stream->codecpar #define AV_GET_CODEC_PIXEL_FORMAT(av_stream, av_context) (AVPixelFormat) av_stream->codecpar->format #define AV_GET_SAMPLE_FORMAT(av_stream, av_context) av_stream->codecpar->format #define AV_GET_IMAGE_SIZE(pix_fmt, width, height) av_image_get_buffer_size(pix_fmt, width, height, 1) #define AV_COPY_PICTURE_DATA(av_frame, buffer, pix_fmt, width, height) av_image_fill_arrays(av_frame->data, av_frame->linesize, buffer, pix_fmt, width, height, 1) #define AV_OUTPUT_CONTEXT(output_context, path) avformat_alloc_output_context2( output_context, NULL, NULL, path) #define AV_OPTION_FIND(priv_data, name) av_opt_find(priv_data, name, NULL, 0, 0) #define AV_OPTION_SET( av_stream, priv_data, name, value, avcodec) av_opt_set(priv_data, name, value, 0); avcodec_parameters_from_context(av_stream->codecpar, avcodec); #define AV_FORMAT_NEW_STREAM(oc, st_codec, av_codec, av_st) av_st = avformat_new_stream(oc, NULL);\ if (!av_st) \ throw OutOfMemory("Could not allocate memory for the video stream.", path); \ c = avcodec_alloc_context3(av_codec); \ st_codec = c; \ av_st->codecpar->codec_id = av_codec->id; #define AV_COPY_PARAMS_FROM_CONTEXT(av_stream, av_codec) avcodec_parameters_from_context(av_stream->codecpar, av_codec); #elif IS_FFMPEG_3_2 #define AV_REGISTER_ALL av_register_all(); #define AVCODEC_REGISTER_ALL avcodec_register_all(); #define AV_FILENAME filename #define MY_INPUT_BUFFER_PADDING_SIZE FF_INPUT_BUFFER_PADDING_SIZE #define AV_ALLOCATE_FRAME() av_frame_alloc() #define AV_ALLOCATE_IMAGE(av_frame, pix_fmt, width, height) av_image_alloc(av_frame->data, av_frame->linesize, width, height, pix_fmt, 1) #define AV_RESET_FRAME(av_frame) av_frame_unref(av_frame) #define AV_FREE_FRAME(av_frame) av_frame_free(av_frame) #define AV_FREE_PACKET(av_packet) av_packet_unref(av_packet) #define AV_FREE_CONTEXT(av_context) avcodec_free_context(&av_context) #define AV_GET_CODEC_TYPE(av_stream) av_stream->codecpar->codec_type #define AV_FIND_DECODER_CODEC_ID(av_stream) av_stream->codecpar->codec_id auto AV_GET_CODEC_CONTEXT = [](AVStream* av_stream, AVCodec* av_codec) { \ AVCodecContext *context = avcodec_alloc_context3(av_codec); \ avcodec_parameters_to_context(context, av_stream->codecpar); \ return context; \ }; #define AV_GET_CODEC_PAR_CONTEXT(av_stream, av_codec) av_codec; #define AV_GET_CODEC_FROM_STREAM(av_stream,codec_in) #define AV_GET_CODEC_ATTRIBUTES(av_stream, av_context) av_stream->codecpar #define AV_GET_CODEC_PIXEL_FORMAT(av_stream, av_context) (AVPixelFormat) av_stream->codecpar->format #define AV_GET_SAMPLE_FORMAT(av_stream, av_context) av_stream->codecpar->format #define AV_GET_IMAGE_SIZE(pix_fmt, width, height) av_image_get_buffer_size(pix_fmt, width, height, 1) #define AV_COPY_PICTURE_DATA(av_frame, buffer, pix_fmt, width, height) av_image_fill_arrays(av_frame->data, av_frame->linesize, buffer, pix_fmt, width, height, 1) #define AV_OUTPUT_CONTEXT(output_context, path) avformat_alloc_output_context2( output_context, NULL, NULL, path) #define AV_OPTION_FIND(priv_data, name) av_opt_find(priv_data, name, NULL, 0, 0) #define AV_OPTION_SET( av_stream, priv_data, name, value, avcodec) av_opt_set(priv_data, name, value, 0); avcodec_parameters_from_context(av_stream->codecpar, avcodec); #define AV_FORMAT_NEW_STREAM(oc, st_codec, av_codec, av_st) av_st = avformat_new_stream(oc, NULL);\ if (!av_st) \ throw OutOfMemory("Could not allocate memory for the video stream.", path); \ c = avcodec_alloc_context3(av_codec); \ st_codec = c; \ av_st->codecpar->codec_id = av_codec->id; #define AV_COPY_PARAMS_FROM_CONTEXT(av_stream, av_codec) avcodec_parameters_from_context(av_stream->codecpar, av_codec); #elif LIBAVFORMAT_VERSION_MAJOR >= 55 #define AV_REGISTER_ALL av_register_all(); #define AVCODEC_REGISTER_ALL avcodec_register_all(); #define AV_FILENAME filename #define MY_INPUT_BUFFER_PADDING_SIZE FF_INPUT_BUFFER_PADDING_SIZE #define AV_ALLOCATE_FRAME() av_frame_alloc() #define AV_ALLOCATE_IMAGE(av_frame, pix_fmt, width, height) avpicture_alloc((AVPicture *) av_frame, pix_fmt, width, height) #define AV_RESET_FRAME(av_frame) av_frame_unref(av_frame) #define AV_FREE_FRAME(av_frame) av_frame_free(av_frame) #define AV_FREE_PACKET(av_packet) av_packet_unref(av_packet) #define AV_FREE_CONTEXT(av_context) avcodec_close(av_context) #define AV_GET_CODEC_TYPE(av_stream) av_stream->codec->codec_type #define AV_FIND_DECODER_CODEC_ID(av_stream) av_stream->codec->codec_id #define AV_GET_CODEC_CONTEXT(av_stream, av_codec) av_stream->codec #define AV_GET_CODEC_PAR_CONTEXT(av_stream, av_codec) av_stream->codec #define AV_GET_CODEC_FROM_STREAM(av_stream, codec_in) codec_in = av_stream->codec; #define AV_GET_CODEC_ATTRIBUTES(av_stream, av_context) av_context #define AV_GET_CODEC_PIXEL_FORMAT(av_stream, av_context) av_context->pix_fmt #define AV_GET_SAMPLE_FORMAT(av_stream, av_context) av_context->sample_fmt #define AV_GET_IMAGE_SIZE(pix_fmt, width, height) avpicture_get_size(pix_fmt, width, height) #define AV_COPY_PICTURE_DATA(av_frame, buffer, pix_fmt, width, height) avpicture_fill((AVPicture *) av_frame, buffer, pix_fmt, width, height) #define AV_OUTPUT_CONTEXT(output_context, path) oc = avformat_alloc_context() #define AV_OPTION_FIND(priv_data, name) av_opt_find(priv_data, name, NULL, 0, 0) #define AV_OPTION_SET(av_stream, priv_data, name, value, avcodec) av_opt_set (priv_data, name, value, 0) #define AV_FORMAT_NEW_STREAM( oc, av_context, av_codec, av_st) av_st = avformat_new_stream(oc, av_codec); \ if (!av_st) \ throw OutOfMemory("Could not allocate memory for the video stream.", path); \ avcodec_get_context_defaults3(av_st->codec, av_codec); \ c = av_st->codec; #define AV_COPY_PARAMS_FROM_CONTEXT(av_stream, av_codec) #else #define AV_REGISTER_ALL av_register_all(); #define AVCODEC_REGISTER_ALL avcodec_register_all(); #define AV_FILENAME filename #define MY_INPUT_BUFFER_PADDING_SIZE FF_INPUT_BUFFER_PADDING_SIZE #define AV_ALLOCATE_FRAME() avcodec_alloc_frame() #define AV_ALLOCATE_IMAGE(av_frame, pix_fmt, width, height) avpicture_alloc((AVPicture *) av_frame, pix_fmt, width, height) #define AV_RESET_FRAME(av_frame) avcodec_get_frame_defaults(av_frame) #define AV_FREE_FRAME(av_frame) avcodec_free_frame(av_frame) #define AV_FREE_PACKET(av_packet) av_free_packet(av_packet) #define AV_FREE_CONTEXT(av_context) avcodec_close(av_context) #define AV_GET_CODEC_TYPE(av_stream) av_stream->codec->codec_type #define AV_FIND_DECODER_CODEC_ID(av_stream) av_stream->codec->codec_id #define AV_GET_CODEC_CONTEXT(av_stream, av_codec) av_stream->codec #define AV_GET_CODEC_PAR_CONTEXT(av_stream, av_codec) av_stream->codec #define AV_GET_CODEC_FROM_STREAM(av_stream, codec_in ) codec_in = av_stream->codec; #define AV_GET_CODEC_ATTRIBUTES(av_stream, av_context) av_context #define AV_GET_CODEC_PIXEL_FORMAT(av_stream, av_context) av_context->pix_fmt #define AV_GET_SAMPLE_FORMAT(av_stream, av_context) av_context->sample_fmt #define AV_GET_IMAGE_SIZE(pix_fmt, width, height) avpicture_get_size(pix_fmt, width, height) #define AV_COPY_PICTURE_DATA(av_frame, buffer, pix_fmt, width, height) avpicture_fill((AVPicture *) av_frame, buffer, pix_fmt, width, height) #define AV_OUTPUT_CONTEXT(output_context, path) oc = avformat_alloc_context() #define AV_OPTION_FIND(priv_data, name) av_opt_find(priv_data, name, NULL, 0, 0) #define AV_OPTION_SET(av_stream, priv_data, name, value, avcodec) av_opt_set (priv_data, name, value, 0) #define AV_FORMAT_NEW_STREAM( oc, av_context, av_codec, av_st) av_st = avformat_new_stream(oc, av_codec); \ if (!av_st) \ throw OutOfMemory("Could not allocate memory for the video stream.", path); \ avcodec_get_context_defaults3(av_st->codec, av_codec); \ c = av_st->codec; #define AV_COPY_PARAMS_FROM_CONTEXT(av_stream, av_codec) #endif #endif