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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "EncoderConfig.h"
#include "ImageContainer.h"
#include "MP4Decoder.h"
#include "VPXDecoder.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/ImageUtils.h"
namespace mozilla {
CodecType EncoderConfig::CodecTypeForMime(const nsACString& aMimeType) {
if (MP4Decoder::IsH264(aMimeType)) {
return CodecType::H264;
}
if (VPXDecoder::IsVPX(aMimeType, VPXDecoder::VP8)) {
return CodecType::VP8;
}
if (VPXDecoder::IsVPX(aMimeType, VPXDecoder::VP9)) {
return CodecType::VP9;
}
MOZ_ASSERT_UNREACHABLE("Unsupported Mimetype");
return CodecType::Unknown;
}
const char* CodecTypeStrings[] = {
"BeginVideo", "H264", "VP8", "VP9", "EndVideo", "Opus", "Vorbis",
"Flac", "AAC", "PCM", "G722", "EndAudio", "Unknown"};
nsCString EncoderConfig::ToString() const {
nsCString rv;
rv.Append(CodecTypeStrings[UnderlyingValue(mCodec)]);
rv.AppendLiteral(mBitrateMode == BitrateMode::Constant ? " (CBR)" : " (VBR)");
rv.AppendPrintf("%" PRIu32 "bps", mBitrate);
if (mUsage == Usage::Realtime) {
rv.AppendLiteral(", realtime");
} else {
rv.AppendLiteral(", record");
}
if (mCodec > CodecType::_BeginVideo_ && mCodec < CodecType::_EndVideo_) {
rv.AppendPrintf(" [%dx%d]", mSize.Width(), mSize.Height());
if (mHardwarePreference == HardwarePreference::RequireHardware) {
rv.AppendLiteral(", hw required");
} else if (mHardwarePreference == HardwarePreference::RequireSoftware) {
rv.AppendLiteral(", sw required");
} else {
rv.AppendLiteral(", hw: no preference");
}
rv.AppendPrintf(", %s", mFormat.ToString().get());
if (mScalabilityMode == ScalabilityMode::L1T2) {
rv.AppendLiteral(", L1T2");
} else if (mScalabilityMode == ScalabilityMode::L1T3) {
rv.AppendLiteral(", L1T3");
}
rv.AppendPrintf(", %" PRIu8 " fps", mFramerate);
rv.AppendPrintf(", kf interval: %zu", mKeyframeInterval);
} else {
rv.AppendPrintf(", ch: %" PRIu32 ", %" PRIu32 "Hz", mNumberOfChannels,
mSampleRate);
}
const char* specificStr = "";
if (mCodecSpecific.is<void_t>()) {
specificStr = "o";
} else if (mCodecSpecific.is<H264Specific>()) {
specificStr = " H264";
} else if (mCodecSpecific.is<OpusSpecific>()) {
specificStr = " Opus";
} else if (mCodecSpecific.is<VP8Specific>()) {
specificStr = " VP8";
} else if (mCodecSpecific.is<VP9Specific>()) {
specificStr = " VP9";
} else {
MOZ_ASSERT_UNREACHABLE("Unexpected codec specific type");
specificStr = " unknown";
}
rv.AppendPrintf(" (w/%s codec specific)", specificStr);
return rv;
};
const char* EncoderConfig::CodecString() const {
return CodecTypeStrings[UnderlyingValue(mCodec)];
}
const char* ColorRangeToString(const gfx::ColorRange& aColorRange) {
switch (aColorRange) {
case gfx::ColorRange::FULL:
return "FULL";
case gfx::ColorRange::LIMITED:
return "LIMITED";
}
MOZ_ASSERT_UNREACHABLE("unknown ColorRange");
return "unknown";
}
const char* YUVColorSpaceToString(const gfx::YUVColorSpace& aYUVColorSpace) {
switch (aYUVColorSpace) {
case gfx::YUVColorSpace::BT601:
return "BT601";
case gfx::YUVColorSpace::BT709:
return "BT709";
case gfx::YUVColorSpace::BT2020:
return "BT2020";
case gfx::YUVColorSpace::Identity:
return "Identity";
}
MOZ_ASSERT_UNREACHABLE("unknown YUVColorSpace");
return "unknown";
}
const char* ColorSpace2ToString(const gfx::ColorSpace2& aColorSpace2) {
switch (aColorSpace2) {
case gfx::ColorSpace2::Display:
return "Display";
case gfx::ColorSpace2::SRGB:
return "SRGB";
case gfx::ColorSpace2::DISPLAY_P3:
return "DISPLAY_P3";
case gfx::ColorSpace2::BT601_525:
return "BT601_525";
case gfx::ColorSpace2::BT709:
return "BT709";
case gfx::ColorSpace2::BT2020:
return "BT2020";
}
MOZ_ASSERT_UNREACHABLE("unknown ColorSpace2");
return "unknown";
}
const char* TransferFunctionToString(
const gfx::TransferFunction& aTransferFunction) {
switch (aTransferFunction) {
case gfx::TransferFunction::BT709:
return "BT709";
case gfx::TransferFunction::SRGB:
return "SRGB";
case gfx::TransferFunction::PQ:
return "PQ";
case gfx::TransferFunction::HLG:
return "HLG";
}
MOZ_ASSERT_UNREACHABLE("unknown TransferFunction");
return "unknown";
}
nsCString EncoderConfig::VideoColorSpace::ToString() const {
nsCString ret;
ret.AppendFmt(
"VideoColorSpace: [range: {}, matrix: {}, primaries: {}, transfer: {}]",
mRange ? ColorRangeToString(mRange.value()) : "none",
mMatrix ? YUVColorSpaceToString(mMatrix.value()) : "none",
mPrimaries ? ColorSpace2ToString(mPrimaries.value()) : "none",
mTransferFunction ? TransferFunctionToString(mTransferFunction.value())
: "none");
return ret;
}
nsCString EncoderConfig::SampleFormat::ToString() const {
return nsPrintfCString("SampleFormat - [PixelFormat: %s, %s]",
dom::GetEnumString(mPixelFormat).get(),
mColorSpace.ToString().get());
}
Result<EncoderConfig::SampleFormat, MediaResult>
EncoderConfig::SampleFormat::FromImage(layers::Image* aImage) {
if (!aImage) {
return Err(MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR, "No image"));
}
const dom::ImageUtils imageUtils(aImage);
Maybe<dom::ImageBitmapFormat> format = imageUtils.GetFormat();
if (format.isNothing()) {
return Err(
MediaResult(NS_ERROR_NOT_IMPLEMENTED,
nsPrintfCString("unsupported image format: %d",
static_cast<int>(aImage->GetFormat()))));
}
if (layers::PlanarYCbCrImage* image = aImage->AsPlanarYCbCrImage()) {
if (const layers::PlanarYCbCrImage::Data* yuv = image->GetData()) {
return EncoderConfig::SampleFormat(
format.ref(), EncoderConfig::VideoColorSpace(
yuv->mColorRange, yuv->mYUVColorSpace,
yuv->mColorPrimaries, yuv->mTransferFunction));
}
return Err(MediaResult(NS_ERROR_UNEXPECTED,
"failed to get YUV data from a YUV image"));
}
return EncoderConfig::SampleFormat(format.ref());
}
} // namespace mozilla