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e74d71f545
Add a new #define HAVE_HW_ACCEL, which is only set on FFmpeg 3.4+, and use that to restrict the use of hw-accel features, leaving IS_FFMPEG_3_2 to determine only whether code is compatible with FFmpeg 3.2+.
293 lines
14 KiB
C++
293 lines
14 KiB
C++
/**
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* @file
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* @brief Header file for FFmpegUtilities
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* @author Jonathan Thomas <jonathan@openshot.org>
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*
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* @ref License
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*/
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/* LICENSE
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*
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* Copyright (c) 2008-2019 OpenShot Studios, LLC
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* <http://www.openshotstudios.com/>. This file is part of
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* OpenShot Library (libopenshot), an open-source project dedicated to
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* delivering high quality video editing and animation solutions to the
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* world. For more information visit <http://www.openshot.org/>.
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*
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* OpenShot Library (libopenshot) is free software: you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* OpenShot Library (libopenshot) is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPENSHOT_FFMPEG_UTILITIES_H
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#define OPENSHOT_FFMPEG_UTILITIES_H
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// Required for libavformat to build on Windows
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#ifndef INT64_C
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#define INT64_C(c) (c ## LL)
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#define UINT64_C(c) (c ## ULL)
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#endif
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#ifndef IS_FFMPEG_3_2
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#define IS_FFMPEG_3_2 (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 64, 101))
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#endif
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#ifndef HAVE_HW_ACCEL
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#define HAVE_HW_ACCEL (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 107, 100))
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#endif
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// Include the FFmpeg headers
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extern "C" {
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#include <libavcodec/avcodec.h>
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#include <libavformat/avformat.h>
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#if (LIBAVFORMAT_VERSION_MAJOR >= 57)
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#include <libavutil/hwcontext.h> //PM
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#endif
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#include <libswscale/swscale.h>
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// Change this to the first version swrescale works
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#if (LIBAVFORMAT_VERSION_MAJOR >= 57)
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#define USE_SW
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#endif
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#ifdef USE_SW
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#include <libswresample/swresample.h>
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#else
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#include <libavresample/avresample.h>
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#endif
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#include <libavutil/mathematics.h>
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#include <libavutil/pixfmt.h>
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#include <libavutil/pixdesc.h>
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// libavutil changed folders at some point
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#if LIBAVFORMAT_VERSION_MAJOR >= 53
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#include <libavutil/opt.h>
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#else
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#include <libavcodec/opt.h>
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#endif
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// channel header refactored
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#if LIBAVFORMAT_VERSION_MAJOR >= 54
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#include <libavutil/channel_layout.h>
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#endif
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#if IS_FFMPEG_3_2
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#include "libavutil/imgutils.h"
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#endif
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}
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// This was removed from newer versions of FFmpeg (but still used in libopenshot)
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#ifndef AVCODEC_MAX_AUDIO_FRAME_SIZE
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#define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio
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#endif
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#ifndef AV_ERROR_MAX_STRING_SIZE
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#define AV_ERROR_MAX_STRING_SIZE 64
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#endif
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#ifndef AUDIO_PACKET_ENCODING_SIZE
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#define AUDIO_PACKET_ENCODING_SIZE 768000 // 48khz * S16 (2 bytes) * max channels (8)
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#endif
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// This wraps an unsafe C macro to be C++ compatible function
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inline static const std::string av_make_error_string(int errnum)
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{
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char errbuf[AV_ERROR_MAX_STRING_SIZE];
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av_strerror(errnum, errbuf, AV_ERROR_MAX_STRING_SIZE);
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return (std::string)errbuf;
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}
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// Redefine the C macro to use our new C++ function
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#undef av_err2str
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#define av_err2str(errnum) av_make_error_string(errnum).c_str()
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// Define this for compatibility
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#ifndef PixelFormat
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#define PixelFormat AVPixelFormat
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#endif
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#ifndef PIX_FMT_RGBA
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#define PIX_FMT_RGBA AV_PIX_FMT_RGBA
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#endif
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#ifndef PIX_FMT_NONE
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#define PIX_FMT_NONE AV_PIX_FMT_NONE
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#endif
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#ifndef PIX_FMT_RGB24
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#define PIX_FMT_RGB24 AV_PIX_FMT_RGB24
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#endif
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#ifndef PIX_FMT_YUV420P
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#define PIX_FMT_YUV420P AV_PIX_FMT_YUV420P
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#endif
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// FFmpeg's libavutil/common.h defines an RSHIFT incompatible with Ruby's
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// definition in ruby/config.h, so we move it to FF_RSHIFT
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#ifdef RSHIFT
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#define FF_RSHIFT(a, b) RSHIFT(a, b)
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#undef RSHIFT
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#endif
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#ifdef USE_SW
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#define SWR_CONVERT(ctx, out, linesize, out_count, in, linesize2, in_count) \
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swr_convert(ctx, out, out_count, (const uint8_t **)in, in_count)
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#define SWR_ALLOC() swr_alloc()
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#define SWR_CLOSE(ctx) {}
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#define SWR_FREE(ctx) swr_free(ctx)
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#define SWR_INIT(ctx) swr_init(ctx)
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#define SWRCONTEXT SwrContext
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#else
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#define SWR_CONVERT(ctx, out, linesize, out_count, in, linesize2, in_count) \
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avresample_convert(ctx, out, linesize, out_count, (uint8_t **)in, linesize2, in_count)
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#define SWR_ALLOC() avresample_alloc_context()
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#define SWR_CLOSE(ctx) avresample_close(ctx)
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#define SWR_FREE(ctx) avresample_free(ctx)
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#define SWR_INIT(ctx) avresample_open(ctx)
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#define SWRCONTEXT AVAudioResampleContext
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#endif
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#if (LIBAVFORMAT_VERSION_MAJOR >= 58)
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#define AV_REGISTER_ALL
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#define AVCODEC_REGISTER_ALL
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#define AV_FILENAME url
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#define AV_SET_FILENAME(oc, f) oc->AV_FILENAME = av_strdup(f)
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#define MY_INPUT_BUFFER_PADDING_SIZE AV_INPUT_BUFFER_PADDING_SIZE
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#define AV_ALLOCATE_FRAME() av_frame_alloc()
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#define AV_ALLOCATE_IMAGE(av_frame, pix_fmt, width, height) av_image_alloc(av_frame->data, av_frame->linesize, width, height, pix_fmt, 1)
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#define AV_RESET_FRAME(av_frame) av_frame_unref(av_frame)
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#define AV_FREE_FRAME(av_frame) av_frame_free(av_frame)
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#define AV_FREE_PACKET(av_packet) av_packet_unref(av_packet)
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#define AV_FREE_CONTEXT(av_context) avcodec_free_context(&av_context)
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#define AV_GET_CODEC_TYPE(av_stream) av_stream->codecpar->codec_type
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#define AV_FIND_DECODER_CODEC_ID(av_stream) av_stream->codecpar->codec_id
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auto AV_GET_CODEC_CONTEXT = [](AVStream* av_stream, AVCodec* av_codec) { \
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AVCodecContext *context = avcodec_alloc_context3(av_codec); \
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avcodec_parameters_to_context(context, av_stream->codecpar); \
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return context; \
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};
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#define AV_GET_CODEC_PAR_CONTEXT(av_stream, av_codec) av_codec;
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#define AV_GET_CODEC_FROM_STREAM(av_stream,codec_in)
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#define AV_GET_CODEC_ATTRIBUTES(av_stream, av_context) av_stream->codecpar
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#define AV_GET_CODEC_PIXEL_FORMAT(av_stream, av_context) (AVPixelFormat) av_stream->codecpar->format
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#define AV_GET_SAMPLE_FORMAT(av_stream, av_context) av_stream->codecpar->format
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#define AV_GET_IMAGE_SIZE(pix_fmt, width, height) av_image_get_buffer_size(pix_fmt, width, height, 1)
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#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)
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#define AV_OUTPUT_CONTEXT(output_context, path) avformat_alloc_output_context2( output_context, NULL, NULL, path)
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#define AV_OPTION_FIND(priv_data, name) av_opt_find(priv_data, name, NULL, 0, 0)
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#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);
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#define AV_FORMAT_NEW_STREAM(oc, st_codec, av_codec, av_st) av_st = avformat_new_stream(oc, NULL);\
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if (!av_st) \
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throw OutOfMemory("Could not allocate memory for the video stream.", path); \
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c = avcodec_alloc_context3(av_codec); \
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st_codec = c; \
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av_st->codecpar->codec_id = av_codec->id;
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#define AV_COPY_PARAMS_FROM_CONTEXT(av_stream, av_codec) avcodec_parameters_from_context(av_stream->codecpar, av_codec);
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#elif IS_FFMPEG_3_2
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#define AV_REGISTER_ALL av_register_all();
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#define AVCODEC_REGISTER_ALL avcodec_register_all();
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#define AV_FILENAME filename
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#define AV_SET_FILENAME(oc, f) snprintf(oc->AV_FILENAME, sizeof(oc->AV_FILENAME), "%s", f)
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#define MY_INPUT_BUFFER_PADDING_SIZE FF_INPUT_BUFFER_PADDING_SIZE
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#define AV_ALLOCATE_FRAME() av_frame_alloc()
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#define AV_ALLOCATE_IMAGE(av_frame, pix_fmt, width, height) av_image_alloc(av_frame->data, av_frame->linesize, width, height, pix_fmt, 1)
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#define AV_RESET_FRAME(av_frame) av_frame_unref(av_frame)
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#define AV_FREE_FRAME(av_frame) av_frame_free(av_frame)
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#define AV_FREE_PACKET(av_packet) av_packet_unref(av_packet)
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#define AV_FREE_CONTEXT(av_context) avcodec_free_context(&av_context)
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#define AV_GET_CODEC_TYPE(av_stream) av_stream->codecpar->codec_type
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#define AV_FIND_DECODER_CODEC_ID(av_stream) av_stream->codecpar->codec_id
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auto AV_GET_CODEC_CONTEXT = [](AVStream* av_stream, AVCodec* av_codec) { \
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AVCodecContext *context = avcodec_alloc_context3(av_codec); \
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avcodec_parameters_to_context(context, av_stream->codecpar); \
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return context; \
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};
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#define AV_GET_CODEC_PAR_CONTEXT(av_stream, av_codec) av_codec;
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#define AV_GET_CODEC_FROM_STREAM(av_stream,codec_in)
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#define AV_GET_CODEC_ATTRIBUTES(av_stream, av_context) av_stream->codecpar
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#define AV_GET_CODEC_PIXEL_FORMAT(av_stream, av_context) (AVPixelFormat) av_stream->codecpar->format
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#define AV_GET_SAMPLE_FORMAT(av_stream, av_context) av_stream->codecpar->format
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#define AV_GET_IMAGE_SIZE(pix_fmt, width, height) av_image_get_buffer_size(pix_fmt, width, height, 1)
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#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)
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#define AV_OUTPUT_CONTEXT(output_context, path) avformat_alloc_output_context2( output_context, NULL, NULL, path)
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#define AV_OPTION_FIND(priv_data, name) av_opt_find(priv_data, name, NULL, 0, 0)
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#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);
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#define AV_FORMAT_NEW_STREAM(oc, st_codec, av_codec, av_st) av_st = avformat_new_stream(oc, NULL);\
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if (!av_st) \
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throw OutOfMemory("Could not allocate memory for the video stream.", path); \
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_Pragma ("GCC diagnostic push"); \
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_Pragma ("GCC diagnostic ignored \"-Wdeprecated-declarations\""); \
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avcodec_get_context_defaults3(av_st->codec, av_codec); \
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c = av_st->codec; \
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_Pragma ("GCC diagnostic pop"); \
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st_codec = c;
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#define AV_COPY_PARAMS_FROM_CONTEXT(av_stream, av_codec) avcodec_parameters_from_context(av_stream->codecpar, av_codec);
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#elif LIBAVFORMAT_VERSION_MAJOR >= 55
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#define AV_REGISTER_ALL av_register_all();
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#define AVCODEC_REGISTER_ALL avcodec_register_all();
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#define AV_FILENAME filename
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#define AV_SET_FILENAME(oc, f) snprintf(oc->AV_FILENAME, sizeof(oc->AV_FILENAME), "%s", f)
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#define MY_INPUT_BUFFER_PADDING_SIZE FF_INPUT_BUFFER_PADDING_SIZE
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#define AV_ALLOCATE_FRAME() av_frame_alloc()
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#define AV_ALLOCATE_IMAGE(av_frame, pix_fmt, width, height) avpicture_alloc((AVPicture *) av_frame, pix_fmt, width, height)
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#define AV_RESET_FRAME(av_frame) av_frame_unref(av_frame)
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#define AV_FREE_FRAME(av_frame) av_frame_free(av_frame)
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#define AV_FREE_PACKET(av_packet) av_packet_unref(av_packet)
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#define AV_FREE_CONTEXT(av_context) avcodec_close(av_context)
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#define AV_GET_CODEC_TYPE(av_stream) av_stream->codec->codec_type
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#define AV_FIND_DECODER_CODEC_ID(av_stream) av_stream->codec->codec_id
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#define AV_GET_CODEC_CONTEXT(av_stream, av_codec) av_stream->codec
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#define AV_GET_CODEC_PAR_CONTEXT(av_stream, av_codec) av_stream->codec
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#define AV_GET_CODEC_FROM_STREAM(av_stream, codec_in) codec_in = av_stream->codec;
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#define AV_GET_CODEC_ATTRIBUTES(av_stream, av_context) av_context
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#define AV_GET_CODEC_PIXEL_FORMAT(av_stream, av_context) av_context->pix_fmt
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#define AV_GET_SAMPLE_FORMAT(av_stream, av_context) av_context->sample_fmt
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#define AV_GET_IMAGE_SIZE(pix_fmt, width, height) avpicture_get_size(pix_fmt, width, height)
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#define AV_COPY_PICTURE_DATA(av_frame, buffer, pix_fmt, width, height) avpicture_fill((AVPicture *) av_frame, buffer, pix_fmt, width, height)
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#define AV_OUTPUT_CONTEXT(output_context, path) oc = avformat_alloc_context()
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#define AV_OPTION_FIND(priv_data, name) av_opt_find(priv_data, name, NULL, 0, 0)
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#define AV_OPTION_SET(av_stream, priv_data, name, value, avcodec) av_opt_set (priv_data, name, value, 0)
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#define AV_FORMAT_NEW_STREAM( oc, av_context, av_codec, av_st) av_st = avformat_new_stream(oc, av_codec); \
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if (!av_st) \
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throw OutOfMemory("Could not allocate memory for the video stream.", path); \
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avcodec_get_context_defaults3(av_st->codec, av_codec); \
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c = av_st->codec;
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#define AV_COPY_PARAMS_FROM_CONTEXT(av_stream, av_codec)
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#else
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#define AV_REGISTER_ALL av_register_all();
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#define AVCODEC_REGISTER_ALL avcodec_register_all();
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#define AV_FILENAME filename
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#define AV_SET_FILENAME(oc, f) snprintf(oc->AV_FILENAME, sizeof(oc->AV_FILENAME), "%s", f)
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#define MY_INPUT_BUFFER_PADDING_SIZE FF_INPUT_BUFFER_PADDING_SIZE
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#define AV_ALLOCATE_FRAME() avcodec_alloc_frame()
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#define AV_ALLOCATE_IMAGE(av_frame, pix_fmt, width, height) avpicture_alloc((AVPicture *) av_frame, pix_fmt, width, height)
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#define AV_RESET_FRAME(av_frame) avcodec_get_frame_defaults(av_frame)
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#define AV_FREE_FRAME(av_frame) avcodec_free_frame(av_frame)
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#define AV_FREE_PACKET(av_packet) av_free_packet(av_packet)
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#define AV_FREE_CONTEXT(av_context) avcodec_close(av_context)
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#define AV_GET_CODEC_TYPE(av_stream) av_stream->codec->codec_type
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#define AV_FIND_DECODER_CODEC_ID(av_stream) av_stream->codec->codec_id
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#define AV_GET_CODEC_CONTEXT(av_stream, av_codec) av_stream->codec
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#define AV_GET_CODEC_PAR_CONTEXT(av_stream, av_codec) av_stream->codec
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#define AV_GET_CODEC_FROM_STREAM(av_stream, codec_in ) codec_in = av_stream->codec;
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#define AV_GET_CODEC_ATTRIBUTES(av_stream, av_context) av_context
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#define AV_GET_CODEC_PIXEL_FORMAT(av_stream, av_context) av_context->pix_fmt
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#define AV_GET_SAMPLE_FORMAT(av_stream, av_context) av_context->sample_fmt
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#define AV_GET_IMAGE_SIZE(pix_fmt, width, height) avpicture_get_size(pix_fmt, width, height)
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#define AV_COPY_PICTURE_DATA(av_frame, buffer, pix_fmt, width, height) avpicture_fill((AVPicture *) av_frame, buffer, pix_fmt, width, height)
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#define AV_OUTPUT_CONTEXT(output_context, path) oc = avformat_alloc_context()
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#define AV_OPTION_FIND(priv_data, name) av_opt_find(priv_data, name, NULL, 0, 0)
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#define AV_OPTION_SET(av_stream, priv_data, name, value, avcodec) av_opt_set (priv_data, name, value, 0)
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#define AV_FORMAT_NEW_STREAM( oc, av_context, av_codec, av_st) av_st = avformat_new_stream(oc, av_codec); \
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if (!av_st) \
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throw OutOfMemory("Could not allocate memory for the video stream.", path); \
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avcodec_get_context_defaults3(av_st->codec, av_codec); \
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c = av_st->codec;
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#define AV_COPY_PARAMS_FROM_CONTEXT(av_stream, av_codec)
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#endif
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#endif
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