本文整理汇总了C++中TrackInfo::GetAsVideoInfo方法的典型用法代码示例。如果您正苦于以下问题：C++ TrackInfo::GetAsVideoInfo方法的具体用法？C++ TrackInfo::GetAsVideoInfo怎么用？C++ TrackInfo::GetAsVideoInfo使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TrackInfo的用法示例。
在下文中一共展示了TrackInfo::GetAsVideoInfo方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
void
WMFVideoMFTManager::ConfigurationChanged(const TrackInfo& aConfig)
{
MOZ_ASSERT(aConfig.GetAsVideoInfo());
mVideoInfo = *aConfig.GetAsVideoInfo();
mImageSize = mVideoInfo.mImage;
}示例2: CheckResult
void
AddMediaFormatChecker(const TrackInfo& aTrackConfig)
{
if (aTrackConfig.IsVideo()) {
auto mimeType = aTrackConfig.GetAsVideoInfo()->mMimeType;
RefPtr<MediaByteBuffer> extraData =
aTrackConfig.GetAsVideoInfo()->mExtraData;
AddToCheckList([mimeType, extraData]() {
if (MP4Decoder::IsH264(mimeType)) {
mp4_demuxer::SPSData spsdata;
// WMF H.264 Video Decoder and Apple ATDecoder
// do not support YUV444 format.
// For consistency, all decoders should be checked.
if (mp4_demuxer::H264::DecodeSPSFromExtraData(extraData, spsdata)
&& (spsdata.profile_idc == 244 /* Hi444PP */
|| spsdata.chroma_format_idc == PDMFactory::kYUV444)) {
return CheckResult(
SupportChecker::Reason::kVideoFormatNotSupported,
MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR,
RESULT_DETAIL("Decoder may not have the capability "
"to handle the requested video format "
"with YUV444 chroma subsampling.")));
}
}
return CheckResult(SupportChecker::Reason::kSupported);
});
}
}示例3: SupportsMimeType
already_AddRefed<MediaDataDecoder>
PlatformDecoderModule::CreateDecoder(const TrackInfo& aConfig,
FlushableTaskQueue* aTaskQueue,
MediaDataDecoderCallback* aCallback,
layers::LayersBackend aLayersBackend,
layers::ImageContainer* aImageContainer)
{
nsRefPtr<MediaDataDecoder> m;
bool hasPlatformDecoder = SupportsMimeType(aConfig.mMimeType);
if (aConfig.GetAsAudioInfo()) {
if (!hasPlatformDecoder && VorbisDataDecoder::IsVorbis(aConfig.mMimeType)) {
m = new VorbisDataDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
} else if (!hasPlatformDecoder && OpusDataDecoder::IsOpus(aConfig.mMimeType)) {
m = new OpusDataDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
} else {
m = CreateAudioDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
}
return m.forget();
}
if (!aConfig.GetAsVideoInfo()) {
return nullptr;
}
if (H264Converter::IsH264(aConfig)) {
m = new H264Converter(this,
*aConfig.GetAsVideoInfo(),
aLayersBackend,
aImageContainer,
aTaskQueue,
aCallback);
} else if (!hasPlatformDecoder && VPXDecoder::IsVPX(aConfig.mMimeType)) {
m = new VPXDecoder(*aConfig.GetAsVideoInfo(),
aImageContainer,
aTaskQueue,
aCallback);
} else {
m = CreateVideoDecoder(*aConfig.GetAsVideoInfo(),
aLayersBackend,
aImageContainer,
aTaskQueue,
aCallback);
}
return m.forget();
}示例4: AddMediaFormatChecker
void
AddMediaFormatChecker(const TrackInfo& aTrackConfig)
{
if (aTrackConfig.IsVideo()) {
auto mimeType = aTrackConfig.GetAsVideoInfo()->mMimeType;
RefPtr<MediaByteBuffer> extraData = aTrackConfig.GetAsVideoInfo()->mExtraData;
AddToCheckList(
[mimeType, extraData]() {
if (MP4Decoder::IsH264(mimeType)) {
mp4_demuxer::SPSData spsdata;
// WMF H.264 Video Decoder and Apple ATDecoder
// do not support YUV444 format.
// For consistency, all decoders should be checked.
if (mp4_demuxer::H264::DecodeSPSFromExtraData(extraData, spsdata) &&
spsdata.chroma_format_idc == PDMFactory::kYUV444) {
return SupportChecker::Result::kVideoFormatNotSupported;
}
}
return SupportChecker::Result::kSupported;
});
}
}示例5: CreateAudioDecoder
already_AddRefed<MediaDataDecoder>
PlatformDecoderModule::CreateDecoder(const TrackInfo& aConfig,
FlushableTaskQueue* aTaskQueue,
MediaDataDecoderCallback* aCallback,
layers::LayersBackend aLayersBackend,
layers::ImageContainer* aImageContainer)
{
nsRefPtr<MediaDataDecoder> m;
if (aConfig.GetAsAudioInfo()) {
m = CreateAudioDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
return m.forget();
}
if (!aConfig.GetAsVideoInfo()) {
return nullptr;
}
if (H264Converter::IsH264(aConfig)) {
m = new H264Converter(this,
*aConfig.GetAsVideoInfo(),
aLayersBackend,
aImageContainer,
aTaskQueue,
aCallback);
} else {
m = CreateVideoDecoder(*aConfig.GetAsVideoInfo(),
aLayersBackend,
aImageContainer,
aTaskQueue,
aCallback);
}
return m.forget();
}示例6:
bool
WMFDecoderModule::Supports(const TrackInfo& aTrackInfo,
DecoderDoctorDiagnostics* aDiagnostics) const
{
if ((aTrackInfo.mMimeType.EqualsLiteral("audio/mp4a-latm") ||
aTrackInfo.mMimeType.EqualsLiteral("audio/mp4")) &&
WMFDecoderModule::HasAAC()) {
return true;
}
if (MP4Decoder::IsH264(aTrackInfo.mMimeType) && WMFDecoderModule::HasH264()) {
const VideoInfo* videoInfo = aTrackInfo.GetAsVideoInfo();
MOZ_ASSERT(videoInfo);
// Check Windows format constraints, based on:
// https://msdn.microsoft.com/en-us/library/windows/desktop/dd797815(v=vs.85).aspx
if (IsWin8OrLater()) {
// Windows >7 supports at most 4096x2304.
if (videoInfo->mImage.width > 4096 || videoInfo->mImage.height > 2304) {
return false;
}
} else {
// Windows <=7 supports at most 1920x1088.
if (videoInfo->mImage.width > 1920 || videoInfo->mImage.height > 1088) {
return false;
}
}
return true;
}
if (aTrackInfo.mMimeType.EqualsLiteral("audio/mpeg") &&
CanCreateWMFDecoder<CLSID_CMP3DecMediaObject>()) {
return true;
}
if (MediaPrefs::PDMWMFIntelDecoderEnabled() && sDXVAEnabled) {
if (VPXDecoder::IsVP8(aTrackInfo.mMimeType) &&
CanCreateWMFDecoder<CLSID_WebmMfVp8Dec>()) {
return true;
}
if (VPXDecoder::IsVP9(aTrackInfo.mMimeType) &&
CanCreateWMFDecoder<CLSID_WebmMfVp9Dec>()) {
return true;
}
}
// Some unsupported codec.
return false;
}示例7: DecoderCallbackFuzzingWrapper
already_AddRefed<MediaDataDecoder>
PDMFactory::CreateDecoderWithPDM(PlatformDecoderModule* aPDM,
const TrackInfo& aConfig,
FlushableTaskQueue* aTaskQueue,
MediaDataDecoderCallback* aCallback,
layers::LayersBackend aLayersBackend,
layers::ImageContainer* aImageContainer)
{
MOZ_ASSERT(aPDM);
RefPtr<MediaDataDecoder> m;
if (aConfig.GetAsAudioInfo()) {
m = aPDM->CreateAudioDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
return m.forget();
}
if (!aConfig.GetAsVideoInfo()) {
return nullptr;
}
MediaDataDecoderCallback* callback = aCallback;
RefPtr<DecoderCallbackFuzzingWrapper> callbackWrapper;
if (sEnableFuzzingWrapper) {
callbackWrapper = new DecoderCallbackFuzzingWrapper(aCallback);
callbackWrapper->SetVideoOutputMinimumInterval(
TimeDuration::FromMilliseconds(sVideoOutputMinimumInterval_ms));
callbackWrapper->SetDontDelayInputExhausted(sDontDelayInputExhausted);
callback = callbackWrapper.get();
}
if (H264Converter::IsH264(aConfig)) {
RefPtr<H264Converter> h
= new H264Converter(aPDM,
*aConfig.GetAsVideoInfo(),
aLayersBackend,
aImageContainer,
aTaskQueue,
callback);
const nsresult rv = h->GetLastError();
if (NS_SUCCEEDED(rv) || rv == NS_ERROR_NOT_INITIALIZED) {
// The H264Converter either successfully created the wrapped decoder,
// or there wasn't enough AVCC data to do so. Otherwise, there was some
// problem, for example WMF DLLs were missing.
m = h.forget();
}
} else {
m = aPDM->CreateVideoDecoder(*aConfig.GetAsVideoInfo(),
aLayersBackend,
aImageContainer,
aTaskQueue,
callback);
}
if (callbackWrapper && m) {
m = new DecoderFuzzingWrapper(m.forget(), callbackWrapper.forget());
}
return m.forget();
}示例8: SupportsMimeType
already_AddRefed<MediaDataDecoder>
PlatformDecoderModule::CreateDecoder(const TrackInfo& aConfig,
FlushableTaskQueue* aTaskQueue,
MediaDataDecoderCallback* aCallback,
layers::LayersBackend aLayersBackend,
layers::ImageContainer* aImageContainer)
{
nsRefPtr<MediaDataDecoder> m;
bool hasPlatformDecoder = SupportsMimeType(aConfig.mMimeType);
if (aConfig.GetAsAudioInfo()) {
if (!hasPlatformDecoder && VorbisDataDecoder::IsVorbis(aConfig.mMimeType)) {
m = new VorbisDataDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
} else if (!hasPlatformDecoder && OpusDataDecoder::IsOpus(aConfig.mMimeType)) {
m = new OpusDataDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
} else {
m = CreateAudioDecoder(*aConfig.GetAsAudioInfo(),
aTaskQueue,
aCallback);
}
return m.forget();
}
if (!aConfig.GetAsVideoInfo()) {
return nullptr;
}
MediaDataDecoderCallback* callback = aCallback;
nsRefPtr<DecoderCallbackFuzzingWrapper> callbackWrapper;
if (sEnableFuzzingWrapper) {
callbackWrapper = new DecoderCallbackFuzzingWrapper(aCallback);
callbackWrapper->SetVideoOutputMinimumInterval(
TimeDuration::FromMilliseconds(sVideoOutputMinimumInterval_ms));
callbackWrapper->SetDontDelayInputExhausted(sDontDelayInputExhausted);
callback = callbackWrapper.get();
}
if (H264Converter::IsH264(aConfig)) {
m = new H264Converter(this,
*aConfig.GetAsVideoInfo(),
aLayersBackend,
aImageContainer,
aTaskQueue,
callback);
} else if (!hasPlatformDecoder && VPXDecoder::IsVPX(aConfig.mMimeType)) {
m = new VPXDecoder(*aConfig.GetAsVideoInfo(),
aImageContainer,
aTaskQueue,
callback);
} else {
m = CreateVideoDecoder(*aConfig.GetAsVideoInfo(),
aLayersBackend,
aImageContainer,
aTaskQueue,
callback);
}
if (callbackWrapper && m) {
m = new DecoderFuzzingWrapper(m.forget(), callbackWrapper.forget());
}
return m.forget();
}