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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "PlatformEncoderModule.h"
#include "nsPrintfCString.h"
#include "mozilla/ToString.h"
namespace mozilla {
extern LazyLogModule sPEMLog;
#define LOGD(fmt, ...) \
MOZ_LOG(sPEMLog, mozilla::LogLevel::Debug, \
("PEM: %s: " fmt, __func__, ##__VA_ARGS__))
// TODO: Automatically generate this (Bug 1865896)
const char* GetCodecTypeString(const CodecType& aCodecType) {
switch (aCodecType) {
case CodecType::_BeginVideo_:
return "_BeginVideo_";
case CodecType::H264:
return "H264";
case CodecType::VP8:
return "VP8";
case CodecType::VP9:
return "VP9";
case CodecType::AV1:
return "AV1";
case CodecType::_EndVideo_: // CodecType::_BeginAudio_
return "_EndVideo_/_BeginAudio_";
case CodecType::Opus:
return "Opus";
case CodecType::G722:
return "G722";
case CodecType::_EndAudio_:
return "_EndAudio_";
case CodecType::Unknown:
return "Unknown";
}
MOZ_ASSERT_UNREACHABLE("undefined codec type");
return "Undefined";
}
RefPtr<PlatformEncoderModule::CreateEncoderPromise>
PlatformEncoderModule::AsyncCreateEncoder(const EncoderConfig& aEncoderConfig,
const RefPtr<TaskQueue>& aTaskQueue) {
RefPtr<MediaDataEncoder> encoder;
MediaResult result = NS_OK;
if (aEncoderConfig.IsAudio()) {
encoder = CreateAudioEncoder(aEncoderConfig, aTaskQueue);
} else if (aEncoderConfig.IsVideo()) {
encoder = CreateVideoEncoder(aEncoderConfig, aTaskQueue);
}
if (!encoder) {
if (NS_FAILED(result)) {
return CreateEncoderPromise::CreateAndReject(result, __func__);
}
return CreateEncoderPromise::CreateAndReject(
MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR,
nsPrintfCString("Error creating encoder for %d",
static_cast<int>(aEncoderConfig.mCodec))
.get()),
__func__);
}
return CreateEncoderPromise::CreateAndResolve(encoder, __func__);
}
template <typename T>
nsCString MaybeToString(const Maybe<T>& aMaybe) {
return nsPrintfCString(
"%s", aMaybe.isSome() ? ToString(aMaybe.value()).c_str() : "nothing");
}
struct ConfigurationChangeToString {
nsCString operator()(const DimensionsChange& aDimensionsChange) {
return nsPrintfCString("Dimensions: %dx%d", aDimensionsChange.get().width,
aDimensionsChange.get().height);
}
nsCString operator()(const DisplayDimensionsChange& aDisplayDimensionChange) {
if (aDisplayDimensionChange.get().isNothing()) {
return nsCString("Display dimensions: nothing");
}
gfx::IntSize displayDimensions = aDisplayDimensionChange.get().value();
return nsPrintfCString("Display dimensions: %dx%d", displayDimensions.width,
displayDimensions.height);
}
nsCString operator()(const BitrateChange& aBitrateChange) {
if (aBitrateChange.get().isSome()) {
return nsLiteralCString("Bitrate: nothing");
}
return nsPrintfCString("Bitrate: %skbps",
MaybeToString(aBitrateChange.get()).get());
}
nsCString operator()(const FramerateChange& aFramerateChange) {
if (aFramerateChange.get().isNothing()) {
return nsCString("Framerate: nothing");
}
return nsPrintfCString("Framerate: %lfHz", aFramerateChange.get().value());
}
nsCString operator()(const BitrateModeChange& aBitrateModeChange) {
return nsPrintfCString(
"Bitrate mode: %s",
aBitrateModeChange.get() == MediaDataEncoder::BitrateMode::Constant
? "Constant"
: "Variable");
}
nsCString operator()(const UsageChange& aUsageChange) {
return nsPrintfCString(
"Usage mode: %s",
aUsageChange.get() == MediaDataEncoder::Usage::Realtime ? "Realtime"
: "Recoding");
}
nsCString operator()(const ContentHintChange& aContentHintChange) {
return nsPrintfCString("Content hint: %s",
MaybeToString(aContentHintChange.get()).get());
}
};
nsString EncoderConfigurationChangeList::ToString() const {
nsString rv(
NS_LITERAL_STRING_FROM_CSTRING("EncoderConfigurationChangeList:"_ns));
for (const EncoderConfigurationItem& change : mChanges) {
nsCString str = change.match(ConfigurationChangeToString());
rv.AppendPrintf("- %s\n", str.get());
}
return rv;
}
bool CanLikelyEncode(const EncoderConfig& aConfig) {
if (aConfig.mCodec == CodecType::H264) {
if (!aConfig.mCodecSpecific ||
!aConfig.mCodecSpecific->is<H264Specific>()) {
LOGD("Error: asking for support codec for h264 without h264 specific config.");
return false;
}
H264Specific specific = aConfig.mCodecSpecific->as<H264Specific>();
int width = aConfig.mSize.width;
int height = aConfig.mSize.height;
if (width % 2 || !width) {
LOGD("Invalid width of %d for h264", width);
return false;
}
if (height % 2 || !height) {
LOGD("Invalid height of %d for h264", height);
return false;
}
if (specific.mProfile != H264_PROFILE_BASE &&
specific.mProfile != H264_PROFILE_MAIN &&
specific.mProfile != H264_PROFILE_HIGH) {
LOGD("Invalid profile of %x for h264", specific.mProfile);
return false;
}
if (width > 4096 || height > 4096) {
LOGD("Invalid size of %dx%d for h264", width, height);
return false;
}
}
if (aConfig.mCodec == CodecType::VP8) {
int width = aConfig.mSize.width;
int height = aConfig.mSize.height;
if (width > 2 << 13 || height > 2 << 13) {
LOGD("Invalid size of %dx%d for VP8", width, height);
return false;
}
}
if (aConfig.mCodec == CodecType::VP9) {
int width = aConfig.mSize.width;
int height = aConfig.mSize.height;
if (width > 2 << 15 || height > 2 << 15) {
LOGD("Invalid size of %dx%d for VP9", width, height);
return false;
}
}
return true;
}
} // namespace mozilla
#undef LOGD
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