mirror of https://github.com/Xaymar/obs-StreamFX
452 lines
14 KiB
C++
452 lines
14 KiB
C++
// AUTOGENERATED COPYRIGHT HEADER START
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// Copyright (C) 2020-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
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// Copyright (C) 2022 lainon <GermanAizek@yandex.ru>
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// AUTOGENERATED COPYRIGHT HEADER END
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#include "tools.hpp"
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#include "plugin.hpp"
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#include "warning-disable.hpp"
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#include <list>
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#include <sstream>
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#include "warning-enable.hpp"
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extern "C" {
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#include "warning-disable.hpp"
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#include <libavcodec/avcodec.h>
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#include <libavutil/error.h>
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#include <libavutil/opt.h>
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#include <libavutil/pixdesc.h>
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#include "warning-enable.hpp"
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}
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using namespace streamfx::ffmpeg;
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const char* tools::get_pixel_format_name(AVPixelFormat v)
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{
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return av_get_pix_fmt_name(v);
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}
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const char* tools::get_color_space_name(AVColorSpace v)
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{
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switch (v) {
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case AVCOL_SPC_RGB:
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return "RGB";
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case AVCOL_SPC_BT709:
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return "BT.709";
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case AVCOL_SPC_FCC:
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return "FCC Title 47 CoFR 73.682 (a)(20)";
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case AVCOL_SPC_BT470BG:
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return "BT.601 625";
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case AVCOL_SPC_SMPTE170M:
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case AVCOL_SPC_SMPTE240M:
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return "BT.601 525";
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case AVCOL_SPC_YCGCO:
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return "ITU-T SG16";
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case AVCOL_SPC_BT2020_NCL:
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return "BT.2020 NCL";
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case AVCOL_SPC_BT2020_CL:
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return "BT.2020 CL";
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case AVCOL_SPC_SMPTE2085:
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return "SMPTE 2085";
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case AVCOL_SPC_CHROMA_DERIVED_NCL:
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return "Chroma NCL";
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case AVCOL_SPC_CHROMA_DERIVED_CL:
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return "Chroma CL";
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case AVCOL_SPC_ICTCP:
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return "BT.2100";
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case AVCOL_SPC_NB:
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return "Not Part of ABI";
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default:
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return "Unknown";
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}
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}
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const char* tools::get_error_description(int error)
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{
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thread_local char error_buf[AV_ERROR_MAX_STRING_SIZE + 1];
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if (av_strerror(error, error_buf, AV_ERROR_MAX_STRING_SIZE) < 0) {
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snprintf(error_buf, AV_ERROR_MAX_STRING_SIZE, "Unknown Error (%i)", error);
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}
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return error_buf;
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}
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static std::map<video_format, AVPixelFormat> const obs_to_av_format_map = {
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{VIDEO_FORMAT_I420, AV_PIX_FMT_YUV420P}, // 4:2:0 YUV, 8bit, Planar
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{VIDEO_FORMAT_NV12, AV_PIX_FMT_NV12}, // 4:2:0 YUV, 8bit, Packed (Y+UV)
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{VIDEO_FORMAT_YVYU, AV_PIX_FMT_YVYU422}, // 4:2:0 YUV, 8bit, Packed (Y+UV)
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{VIDEO_FORMAT_YUY2, AV_PIX_FMT_YUYV422}, // 4:2:2 YUV, 8bit, Packed (Y+UV)
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{VIDEO_FORMAT_UYVY, AV_PIX_FMT_UYVY422}, // 4:2:2 YUV, 8bit, Packed (Y+UV)
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{VIDEO_FORMAT_RGBA, AV_PIX_FMT_RGBA}, // 4:4:4:4 RGBA, 8bit, Planar
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{VIDEO_FORMAT_BGRA, AV_PIX_FMT_BGRA}, // 4:4:4:4 BGRA, 8bit, Planar
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{VIDEO_FORMAT_BGRX, AV_PIX_FMT_BGR0}, // 4:4:4 BGR, 8bit, Planar
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{VIDEO_FORMAT_Y800, AV_PIX_FMT_GRAY8}, // 4:0:0 Y, 8bit, Planar
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{VIDEO_FORMAT_I444, AV_PIX_FMT_YUV444P}, // 4:4:4 YUV, 8bit, Planar
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{VIDEO_FORMAT_BGR3, AV_PIX_FMT_BGR24}, // 4:4:4 BGR, 8bit, Planar
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{VIDEO_FORMAT_I422, AV_PIX_FMT_YUV422P}, // 4:2:2 YUV, 8bit, Planar
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{VIDEO_FORMAT_I40A, AV_PIX_FMT_YUVA420P}, // 4:2:0:4 YUVA, 8bit, Planar
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{VIDEO_FORMAT_I42A, AV_PIX_FMT_YUVA422P}, // 4:2:2:4 YUVA, 8bit, Planar
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{VIDEO_FORMAT_YUVA, AV_PIX_FMT_YUVA444P}, // 4:4:4:4 YUVA, 8bit, Planar
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{VIDEO_FORMAT_AYUV, AV_PIX_FMT_NONE}, // No compatible format known
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{VIDEO_FORMAT_I010, AV_PIX_FMT_YUV420P10}, // 4:2:0, 10bit, Planar
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{VIDEO_FORMAT_P010, AV_PIX_FMT_P010}, // 4:2:0, 10bit, Packed (Y+UV)
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{VIDEO_FORMAT_I210, AV_PIX_FMT_YUV422P10}, // 4:2:2 YUV, 10bit, Planar
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{VIDEO_FORMAT_I412, AV_PIX_FMT_YUV444P12}, // 4:4:4 YUV, 12bit, Planar
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{VIDEO_FORMAT_YA2L, AV_PIX_FMT_YUVA444P12}, // 4:4:4:4 YUVA, 12bit, Planar
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};
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AVPixelFormat tools::obs_videoformat_to_avpixelformat(video_format v)
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{
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auto found = obs_to_av_format_map.find(v);
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if (found != obs_to_av_format_map.end()) {
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return found->second;
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}
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return AV_PIX_FMT_NONE;
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}
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video_format tools::avpixelformat_to_obs_videoformat(AVPixelFormat v)
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{
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for (const auto& kv : obs_to_av_format_map) {
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if (kv.second == v)
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return kv.first;
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}
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return VIDEO_FORMAT_NONE;
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}
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AVPixelFormat tools::get_least_lossy_format(const AVPixelFormat* haystack, AVPixelFormat needle)
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{
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int data_loss = 0;
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return avcodec_find_best_pix_fmt_of_list(haystack, needle, 0, &data_loss);
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}
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AVColorRange tools::obs_to_av_color_range(video_range_type v)
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{
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switch (v) {
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case VIDEO_RANGE_DEFAULT:
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case VIDEO_RANGE_PARTIAL:
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return AVCOL_RANGE_MPEG;
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case VIDEO_RANGE_FULL:
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return AVCOL_RANGE_JPEG;
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}
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throw std::invalid_argument("Unknown Color Range");
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}
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AVColorSpace tools::obs_to_av_color_space(video_colorspace v)
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{
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switch (v) {
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case VIDEO_CS_601: // BT.601
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return AVCOL_SPC_SMPTE170M;
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case VIDEO_CS_DEFAULT:
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case VIDEO_CS_709: // BT.709
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case VIDEO_CS_SRGB: // sRGB
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return AVCOL_SPC_BT709;
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case VIDEO_CS_2100_PQ:
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case VIDEO_CS_2100_HLG:
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return AVCOL_SPC_ICTCP;
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default:
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throw std::invalid_argument("Unknown Color Space");
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}
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}
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AVColorPrimaries streamfx::ffmpeg::tools::obs_to_av_color_primary(video_colorspace v)
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{
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switch (v) {
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case VIDEO_CS_601: // BT.601
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return AVCOL_PRI_SMPTE170M;
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case VIDEO_CS_DEFAULT:
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case VIDEO_CS_709: // BT.709
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case VIDEO_CS_SRGB: // sRGB
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return AVCOL_PRI_BT709;
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case VIDEO_CS_2100_PQ:
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case VIDEO_CS_2100_HLG:
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return AVCOL_PRI_BT2020;
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default:
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throw std::invalid_argument("Unknown Color Primaries");
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}
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}
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AVColorTransferCharacteristic streamfx::ffmpeg::tools::obs_to_av_color_transfer_characteristics(video_colorspace v)
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{
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switch (v) {
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case VIDEO_CS_601: // BT.601
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return AVCOL_TRC_SMPTE170M;
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case VIDEO_CS_DEFAULT:
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case VIDEO_CS_709: // BT.709
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return AVCOL_TRC_BT709;
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case VIDEO_CS_SRGB: // sRGB with IEC 61966-2-1
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return AVCOL_TRC_IEC61966_2_1;
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case VIDEO_CS_2100_PQ:
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return AVCOL_TRC_SMPTE2084;
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case VIDEO_CS_2100_HLG:
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return AVCOL_TRC_ARIB_STD_B67;
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default:
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throw std::invalid_argument("Unknown Color Transfer Characteristics");
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}
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}
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const char* tools::avoption_name_from_unit_value(const void* obj, std::string_view unit, int64_t value)
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{
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for (const AVOption* opt = nullptr; (opt = av_opt_next(obj, opt)) != nullptr;) {
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// Skip all irrelevant options.
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if (!opt->unit)
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continue;
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if (opt->unit != unit)
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continue;
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if (opt->name == unit)
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continue;
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if (opt->default_val.i64 == value)
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return opt->name;
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}
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return nullptr;
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}
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bool tools::avoption_exists(const void* obj, std::string_view name)
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{
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for (const AVOption* opt = nullptr; (opt = av_opt_next(obj, opt)) != nullptr;) {
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if (name == opt->name)
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return true;
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}
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return false;
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}
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void tools::avoption_list_add_entries(const void* obj, std::string_view unit, std::function<void(const AVOption*)> inserter)
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{
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for (const AVOption* opt = nullptr; (opt = av_opt_next(obj, opt)) != nullptr;) {
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// Skip all irrelevant options.
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if (!opt->unit)
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continue;
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if (opt->unit != unit)
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continue;
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if (opt->name == unit)
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continue;
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// Skip any deprecated options.
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if (opt->flags & AV_OPT_FLAG_DEPRECATED)
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continue;
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if (inserter) {
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inserter(opt);
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} else {
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break;
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}
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}
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}
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bool tools::can_hardware_encode(const AVCodec* codec)
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{
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AVPixelFormat hardware_formats[] = {AV_PIX_FMT_D3D11};
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for (const AVPixelFormat* fmt = codec->pix_fmts; (fmt != nullptr) && (*fmt != AV_PIX_FMT_NONE); fmt++) {
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for (auto cmp : hardware_formats) {
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if (*fmt == cmp) {
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return true;
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}
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}
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}
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return false;
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}
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std::vector<AVPixelFormat> tools::get_software_formats(const AVPixelFormat* list)
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{
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constexpr AVPixelFormat hardware_formats[] = {
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#if FF_API_VAAPI
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AV_PIX_FMT_VAAPI_MOCO,
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AV_PIX_FMT_VAAPI_IDCT,
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#endif
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AV_PIX_FMT_VAAPI,
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AV_PIX_FMT_DXVA2_VLD,
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AV_PIX_FMT_VDPAU,
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AV_PIX_FMT_QSV,
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AV_PIX_FMT_MMAL,
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AV_PIX_FMT_D3D11VA_VLD,
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AV_PIX_FMT_CUDA,
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AV_PIX_FMT_XVMC,
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AV_PIX_FMT_VIDEOTOOLBOX,
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AV_PIX_FMT_MEDIACODEC,
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AV_PIX_FMT_D3D11,
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};
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std::vector<AVPixelFormat> fmts;
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for (auto fmt = list; fmt && (*fmt != AV_PIX_FMT_NONE); fmt++) {
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bool is_blacklisted = false;
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for (auto blacklisted : hardware_formats) {
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if (*fmt == blacklisted)
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is_blacklisted = true;
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}
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if (!is_blacklisted)
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fmts.push_back(*fmt);
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}
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fmts.push_back(AV_PIX_FMT_NONE);
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return fmts;
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}
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void tools::context_setup_from_obs(const video_output_info* voi, AVCodecContext* context)
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{
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// Resolution
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context->width = static_cast<int>(voi->width);
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context->height = static_cast<int>(voi->height);
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// Framerate
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context->ticks_per_frame = 1;
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context->framerate.num = context->time_base.den = static_cast<int>(voi->fps_num);
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context->framerate.den = context->time_base.num = static_cast<int>(voi->fps_den);
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// Aspect Ratio, Progressive
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context->sample_aspect_ratio.num = 1;
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context->sample_aspect_ratio.den = 1;
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context->field_order = AV_FIELD_PROGRESSIVE;
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// Decipher Pixel information
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context->pix_fmt = obs_videoformat_to_avpixelformat(voi->format);
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context->color_range = obs_to_av_color_range(voi->range);
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context->colorspace = obs_to_av_color_space(voi->colorspace);
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context->color_primaries = obs_to_av_color_primary(voi->colorspace);
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context->color_trc = obs_to_av_color_transfer_characteristics(voi->colorspace);
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// Chroma Location
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switch (context->pix_fmt) {
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case AV_PIX_FMT_NV12:
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case AV_PIX_FMT_YUV420P:
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case AV_PIX_FMT_YUVA420P:
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case AV_PIX_FMT_YUV422P:
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case AV_PIX_FMT_YUVA422P:
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case AV_PIX_FMT_YVYU422:
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case AV_PIX_FMT_YUYV422:
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case AV_PIX_FMT_UYVY422:
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// libOBS merges Chroma at "Top", see H.264 specification.
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context->chroma_sample_location = AVCHROMA_LOC_TOP;
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break;
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default:
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// All other cases are unspecified.
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context->chroma_sample_location = AVCHROMA_LOC_UNSPECIFIED;
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break;
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}
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}
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const char* tools::get_std_compliance_name(int compliance)
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{
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switch (compliance) {
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case FF_COMPLIANCE_VERY_STRICT:
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return "Very Strict";
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case FF_COMPLIANCE_STRICT:
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return "Strict";
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case FF_COMPLIANCE_NORMAL:
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return "Normal";
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case FF_COMPLIANCE_UNOFFICIAL:
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return "Unofficial";
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case FF_COMPLIANCE_EXPERIMENTAL:
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return "Experimental";
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}
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return "Invalid";
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}
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const char* tools::get_thread_type_name(int thread_type)
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{
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switch (thread_type) {
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case FF_THREAD_FRAME | FF_THREAD_SLICE:
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return "Slice & Frame";
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case FF_THREAD_FRAME:
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return "Frame";
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case FF_THREAD_SLICE:
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return "Slice";
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default:
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return "None";
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}
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}
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void tools::print_av_option_bool(AVCodecContext* ctx_codec, const char* option, std::string_view text, bool inverse)
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{
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print_av_option_bool(ctx_codec, ctx_codec, option, text, inverse);
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}
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void tools::print_av_option_bool(AVCodecContext* ctx_codec, void* ctx_option, const char* option, std::string_view text, bool inverse)
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{
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int64_t v = 0;
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if (int err = av_opt_get_int(ctx_option, option, AV_OPT_SEARCH_CHILDREN, &v); err != 0) {
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DLOG_INFO("[%s] %s: <Error: %s>", ctx_codec->codec->name, text.data(), streamfx::ffmpeg::tools::get_error_description(err));
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} else {
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DLOG_INFO("[%s] %s: %s%s", ctx_codec->codec->name, text.data(), (inverse ? v != 0 : v == 0) ? "Disabled" : "Enabled", av_opt_is_set_to_default_by_name(ctx_option, option, AV_OPT_SEARCH_CHILDREN) > 0 ? " <Default>" : "");
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}
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}
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void tools::print_av_option_int(AVCodecContext* ctx_codec, const char* option, std::string_view text, std::string_view suffix)
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{
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print_av_option_int(ctx_codec, ctx_codec, option, text, suffix);
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}
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void tools::print_av_option_int(AVCodecContext* ctx_codec, void* ctx_option, const char* option, std::string_view text, std::string_view suffix)
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{
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int64_t v = 0;
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bool is_default = av_opt_is_set_to_default_by_name(ctx_option, option, AV_OPT_SEARCH_CHILDREN) > 0;
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if (int err = av_opt_get_int(ctx_option, option, AV_OPT_SEARCH_CHILDREN, &v); err != 0) {
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if (is_default) {
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DLOG_INFO("[%s] %s: <Default>", ctx_codec->codec->name, text.data());
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} else {
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DLOG_INFO("[%s] %s: <Error: %s>", ctx_codec->codec->name, text.data(), streamfx::ffmpeg::tools::get_error_description(err));
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}
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} else {
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DLOG_INFO("[%s] %s: %" PRId64 " %s%s", ctx_codec->codec->name, text.data(), v, suffix.data(), is_default ? " <Default>" : "");
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}
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}
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void tools::print_av_option_string(AVCodecContext* ctx_codec, const char* option, std::string_view text, std::function<std::string(int64_t)> decoder)
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{
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print_av_option_string(ctx_codec, ctx_codec, option, text, decoder);
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}
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void tools::print_av_option_string(AVCodecContext* ctx_codec, void* ctx_option, const char* option, std::string_view text, std::function<std::string(int64_t)> decoder)
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{
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int64_t v = 0;
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if (int err = av_opt_get_int(ctx_option, option, AV_OPT_SEARCH_CHILDREN, &v); err != 0) {
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DLOG_INFO("[%s] %s: <Error: %s>", ctx_codec->codec->name, text.data(), streamfx::ffmpeg::tools::get_error_description(err));
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} else {
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std::string name = "<Unknown>";
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if (decoder)
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name = decoder(v);
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DLOG_INFO("[%s] %s: %s%s", ctx_codec->codec->name, text.data(), name.c_str(), av_opt_is_set_to_default_by_name(ctx_option, option, AV_OPT_SEARCH_CHILDREN) > 0 ? " <Default>" : "");
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}
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}
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void tools::print_av_option_string2(AVCodecContext* ctx_codec, std::string_view option, std::string_view text, std::function<std::string(int64_t, std::string_view)> decoder)
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{
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print_av_option_string2(ctx_codec, ctx_codec, option, text, decoder);
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}
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void tools::print_av_option_string2(AVCodecContext* ctx_codec, void* ctx_option, std::string_view option, std::string_view text, std::function<std::string(int64_t, std::string_view)> decoder)
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{
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int64_t v = 0;
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if (int err = av_opt_get_int(ctx_option, option.data(), AV_OPT_SEARCH_CHILDREN, &v); err != 0) {
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DLOG_INFO("[%s] %s: <Error: %s>", ctx_codec->codec->name, text.data(), tools::get_error_description(err));
|
|
} else {
|
|
std::string name = "<Unknown>";
|
|
|
|
// Find the unit for the option.
|
|
auto* opt = av_opt_find(ctx_option, option.data(), nullptr, 0, AV_OPT_SEARCH_CHILDREN);
|
|
if (opt && opt->unit) {
|
|
for (auto* opt_test = opt; (opt_test = av_opt_next(ctx_option, opt_test)) != nullptr;) {
|
|
// Skip this entry if the unit doesn't match.
|
|
if ((opt_test->unit == nullptr) || (strcmp(opt_test->unit, opt->unit) != 0)) {
|
|
continue;
|
|
}
|
|
|
|
// Assign correct name if we found one.
|
|
if (opt_test->default_val.i64 == v) {
|
|
name = opt_test->name;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (decoder) {
|
|
name = decoder(v, name);
|
|
}
|
|
DLOG_INFO("[%s] %s: %s%s", ctx_codec->codec->name, text.data(), name.c_str(), av_opt_is_set_to_default_by_name(ctx_option, option.data(), AV_OPT_SEARCH_CHILDREN) > 0 ? " <Default>" : "");
|
|
} else {
|
|
DLOG_INFO("[%s] %s: %" PRId64 "%s", ctx_codec->codec->name, text.data(), v, av_opt_is_set_to_default_by_name(ctx_option, option.data(), AV_OPT_SEARCH_CHILDREN) > 0 ? " <Default>" : "");
|
|
}
|
|
}
|
|
}
|