C++ AudioDecoder::Open方法代码示例

本文整理汇总了C++中AudioDecoder::Open方法的典型用法代码示例。如果您正苦于以下问题：C++ AudioDecoder::Open方法的具体用法？C++ AudioDecoder::Open怎么用？C++ AudioDecoder::Open使用的例子？那么, 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AudioDecoder的用法示例。

在下文中一共展示了AudioDecoder::Open方法的4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: Open

	void Open(std::string filename)
	{
		stream_->Open(filename);
		audio_decoder_->Open(stream_->getHandle());
		video_decoder_->Open();
		audio_renderer_->Open();
		video_renderer_->Open();
	}

开发者ID:yangee，项目名称:ff-player，代码行数:8，代码来源:FFPlayer.hpp

示例2: FLACDecoder

AudioDecoder * AudioDecoder::CreateDecoderForInputSource(InputSource *inputSource, CFStringRef mimeType, CFErrorRef *error)
{
	if(NULL == inputSource)
		return NULL;

	AudioDecoder *decoder = NULL;

	// Open the input source if it isn't already
	if(AutomaticallyOpenDecoders() && !inputSource->IsOpen() && !inputSource->Open(error))
		return NULL;

	// As a factory this class has knowledge of its subclasses
	// It would be possible (and perhaps preferable) to switch to a generic
	// plugin interface at a later date

#if 0
	// If the input is an instance of HTTPInputSource, use the MIME type from the server
	// This code is disabled because most HTTP servers don't send the correct MIME types
	HTTPInputSource *httpInputSource = dynamic_cast<HTTPInputSource *>(inputSource);
	bool releaseMIMEType = false;
	if(!mimeType && httpInputSource && httpInputSource->IsOpen()) {
		mimeType = httpInputSource->CopyContentMIMEType();
		if(mimeType)
			releaseMIMEType = true;
	}
#endif

	// The MIME type takes precedence over the file extension
	if(mimeType) {
#if BUILD_FOR_MAC_OSX
		if(FLACDecoder::HandlesMIMEType(mimeType)) {
			decoder = new FLACDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = NULL;
				delete decoder, decoder = NULL;
			}
		}
		if(NULL == decoder && WavPackDecoder::HandlesMIMEType(mimeType)) {
			decoder = new WavPackDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = NULL;
				delete decoder, decoder = NULL;
			}
		}
		if(NULL == decoder && MPEGDecoder::HandlesMIMEType(mimeType)) {
			decoder = new MPEGDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = NULL;
				delete decoder, decoder = NULL;
			}
		}
		if(NULL == decoder && OggVorbisDecoder::HandlesMIMEType(mimeType)) {
			decoder = new OggVorbisDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = NULL;
				delete decoder, decoder = NULL;
			}
		}
		if(NULL == decoder && MusepackDecoder::HandlesMIMEType(mimeType)) {
			decoder = new MusepackDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = NULL;
				delete decoder, decoder = NULL;
			}
		}
		if(NULL == decoder && MonkeysAudioDecoder::HandlesMIMEType(mimeType)) {
			decoder = new MonkeysAudioDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = NULL;
				delete decoder, decoder = NULL;
			}
		}
		if(NULL == decoder && OggSpeexDecoder::HandlesMIMEType(mimeType)) {
			decoder = new OggSpeexDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = NULL;
				delete decoder, decoder = NULL;
			}
		}
		if(NULL == decoder && MODDecoder::HandlesMIMEType(mimeType)) {
			decoder = new MODDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = NULL;
				delete decoder, decoder = NULL;
			}
		}
		if(NULL == decoder && LibsndfileDecoder::HandlesMIMEType(mimeType)) {
			decoder = new LibsndfileDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = NULL;
				delete decoder, decoder = NULL;
			}
		}
#endif
		if(NULL == decoder && CoreAudioDecoder::HandlesMIMEType(mimeType)) {
			decoder = new CoreAudioDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = NULL;
				delete decoder, decoder = NULL;
			}
//.........这里部分代码省略.........

开发者ID:xingskycn，项目名称:SFBAudioEngine，代码行数:101，代码来源:AudioDecoder.cpp

示例3: FLACDecoder

AudioDecoder * AudioDecoder::CreateDecoderForInputSource(InputSource *inputSource, CFStringRef mimeType, CFErrorRef *error)
{
	if(nullptr == inputSource)
		return nullptr;

	AudioDecoder *decoder = nullptr;

	// Open the input source if it isn't already
	if(AutomaticallyOpenDecoders() && !inputSource->IsOpen() && !inputSource->Open(error))
		return nullptr;

	// As a factory this class has knowledge of its subclasses
	// It would be possible (and perhaps preferable) to switch to a generic
	// plugin interface at a later date

#if 0
	// If the input is an instance of HTTPInputSource, use the MIME type from the server
	// This code is disabled because most HTTP servers don't send the correct MIME types
	HTTPInputSource *httpInputSource = dynamic_cast<HTTPInputSource *>(inputSource);
	bool releaseMIMEType = false;
	if(!mimeType && httpInputSource && httpInputSource->IsOpen()) {
		mimeType = httpInputSource->CopyContentMIMEType();
		if(mimeType)
			releaseMIMEType = true;
	}
#endif

	// The MIME type takes precedence over the file extension
	if(mimeType) {
		if(FLACDecoder::HandlesMIMEType(mimeType)) {
			decoder = new FLACDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = nullptr;
				delete decoder, decoder = nullptr;
			}
		}
		if(nullptr == decoder && WavPackDecoder::HandlesMIMEType(mimeType)) {
			decoder = new WavPackDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = nullptr;
				delete decoder, decoder = nullptr;
			}
		}
		if(nullptr == decoder && MPEGDecoder::HandlesMIMEType(mimeType)) {
			decoder = new MPEGDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = nullptr;
				delete decoder, decoder = nullptr;
			}
		}
		if(nullptr == decoder && OggVorbisDecoder::HandlesMIMEType(mimeType)) {
			decoder = new OggVorbisDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = nullptr;
				delete decoder, decoder = nullptr;
			}
		}
		if(nullptr == decoder && OggSpeexDecoder::HandlesMIMEType(mimeType)) {
			decoder = new OggSpeexDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = nullptr;
				delete decoder, decoder = nullptr;
			}
		}
#if !TARGET_OS_IPHONE
		if(nullptr == decoder && MusepackDecoder::HandlesMIMEType(mimeType)) {
			decoder = new MusepackDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = nullptr;
				delete decoder, decoder = nullptr;
			}
		}
		if(nullptr == decoder && MonkeysAudioDecoder::HandlesMIMEType(mimeType)) {
			decoder = new MonkeysAudioDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = nullptr;
				delete decoder, decoder = nullptr;
			}
		}
		if(nullptr == decoder && MODDecoder::HandlesMIMEType(mimeType)) {
			decoder = new MODDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = nullptr;
				delete decoder, decoder = nullptr;
			}
		}
		if(nullptr == decoder && TrueAudioDecoder::HandlesMIMEType(mimeType)) {
			decoder = new TrueAudioDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = nullptr;
				delete decoder, decoder = nullptr;
			}
		}
		if(nullptr == decoder && LibsndfileDecoder::HandlesMIMEType(mimeType)) {
			decoder = new LibsndfileDecoder(inputSource);
			if(AutomaticallyOpenDecoders() && !decoder->Open(error)) {
				decoder->mInputSource = nullptr;
				delete decoder, decoder = nullptr;
			}
		}
//.........这里部分代码省略.........

开发者ID:MisterRogersHaus，项目名称:SFBAudioEngine，代码行数:101，代码来源:AudioDecoder.cpp

示例4: available

void Psp2Audio::SE_Play(std::string const& file, int volume, int pitch) {
	// Opening file
	FILE* stream = FileFinder::fopenUTF8(file, "rb");
	if (!stream) {
		Output::Warning("Couldn't open sound file %s", file.c_str());
		return;
	}

	// Pick the next free SE slot.
	// Does not need synchronisation
	int idx = -1;
	for (int i = 0; i < AUDIO_CHANNELS; ++i) {
		if (sfx_sounds[i].isPlaying && sfx_sounds[i].isFinished) {
			idx = i;
			break;
		}
	}

	if (idx == -1) {
		fclose(stream);
		Output::Warning("SE: No free channels available (%s)", file.c_str());
		return;
	}

	DecodedSound& sfx = sfx_sounds[idx];

	sfx.decoder = AudioDecoder::Create(stream, file);
	if (sfx.decoder == nullptr){
		fclose(stream);
		Output::Warning("Unsupported sound format (%s)", file.c_str());
		return;
	}

	// Initializing internal audio decoder
	int audiotype;

	AudioDecoder* decoder = sfx.decoder.get();

	if (!decoder->Open(stream)) {
		Output::Warning("Error occured in audio decoder (%s)", audio_decoder->GetError().c_str());
		return;
	}

	decoder->SetLooping(false);
	AudioDecoder::Format int_format;
	int samplerate;
	decoder->SetFormat(48000, AudioDecoder::Format::S16, 2);
	decoder->GetFormat(samplerate, int_format, audiotype);
	if (samplerate != 48000) Output::Warning("Cannot resample sound file. Sound will be distorted.");

	// Check for file audiocodec
	sfx.isStereo = audiotype == 2;

	// Setting default streaming values
	sfx.cur_audiobuf = sfx.audiobuf;

	decoder->SetPitch(pitch);
	decoder->SetVolume(volume);

	// Wait and signal is required to prevent reordering
	sceKernelWaitSema(SFX_Mutex_ID, 1, NULL);
	sfx.isPlaying = false;
	sfx.isFinished = false;
	sceKernelSignalSema(SFX_Mutex_ID, 1);

	// Start one SE thread
	sceKernelSignalSema(SFX_Mutex, 1);
}

开发者ID:ChristianBreitwieser，项目名称:easyrpg-libretro，代码行数:68，代码来源:audio_psp2.cpp

注：本文中的AudioDecoder::Open方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。