C++ (Cpp) EncoderPlugin示例

示例#1

文件： PluginManager.cpp 项目： mariuz/haiku

status_t
PluginManager::CreateEncoder(Encoder** _encoder,
	const media_codec_info* codecInfo, uint32 flags)
{
	TRACE("PluginManager::CreateEncoder enter\n");

	// Get encoder for this codec info from the server
	server_get_encoder_for_codec_info_request request;
	server_get_encoder_for_codec_info_reply reply;
	request.id = codecInfo->id;
	status_t ret = QueryServer(SERVER_GET_ENCODER_FOR_CODEC_INFO, &request,
		sizeof(request), &reply, sizeof(reply));
	if (ret != B_OK) {
		printf("PluginManager::CreateEncoder: can't get encoder for codec %s: "
			"%s\n", codecInfo->pretty_name, strerror(ret));
		return ret;
	}

	MediaPlugin* plugin = GetPlugin(reply.ref);
	if (!plugin) {
		printf("PluginManager::CreateEncoder: GetPlugin failed\n");
		return B_ERROR;
	}
	
	EncoderPlugin* encoderPlugin = dynamic_cast<EncoderPlugin*>(plugin);
	if (encoderPlugin == NULL) {
		printf("PluginManager::CreateEncoder: dynamic_cast failed\n");
		PutPlugin(plugin);
		return B_ERROR;
	}

	*_encoder = encoderPlugin->NewEncoder(*codecInfo);
	if (*_encoder == NULL) {
		printf("PluginManager::CreateEncoder: NewEncoder() failed\n");
		PutPlugin(plugin);
		return B_ERROR;
	}
	TRACE("  created encoder: %p\n", *_encoder);
	(*_encoder)->fMediaPlugin = plugin;

	TRACE("PluginManager::CreateEncoder leave\n");

	return B_OK;
}

示例#2

文件： PluginManager.cpp 项目： jessicah/haiku-private

status_t
PluginManager::CreateEncoder(Encoder** encoder, const media_format& format)
{
	TRACE("PluginManager::CreateEncoder enter nr2\n");

	entry_ref ref;

	status_t ret = AddOnManager::GetInstance()->GetEncoderForFormat(
		&ref, format);

	if (ret != B_OK) {
		ERROR("PluginManager::CreateEncoder: can't get decoder for format: "
			"%s\n", strerror(ret));
		return ret;
	}

	MediaPlugin* plugin = GetPlugin(ref);
	if (plugin == NULL) {
		ERROR("PluginManager::CreateEncoder: GetPlugin failed\n");
		return B_ERROR;
	}

	EncoderPlugin* encoderPlugin = dynamic_cast<EncoderPlugin*>(plugin);
	if (encoderPlugin == NULL) {
		ERROR("PluginManager::CreateEncoder: dynamic_cast failed\n");
		PutPlugin(plugin);
		return B_ERROR;
	}


	*encoder = encoderPlugin->NewEncoder(format);
	if (*encoder == NULL) {
		ERROR("PluginManager::CreateEncoder: NewEncoder() failed\n");
		PutPlugin(plugin);
		return B_ERROR;
	}
	TRACE("  created encoder: %p\n", *encoder);
	(*encoder)->fMediaPlugin = plugin;

	TRACE("PluginManager::CreateEncoder leave nr2\n");

	return B_OK;
}

示例#3

文件： PluginManager.cpp 项目： SummerSnail2014/haiku

status_t
PluginManager::CreateEncoder(Encoder** _encoder,
	const media_codec_info* codecInfo, uint32 flags)
{
	TRACE("PluginManager::CreateEncoder enter\n");

	// Get encoder for this codec info from the server
	entry_ref ref;
	status_t ret = AddOnManager::GetInstance()->GetEncoder(&ref,
		codecInfo->id);
	if (ret != B_OK) {
		printf("PluginManager::CreateEncoder: can't get encoder for codec %s: "
			"%s\n", codecInfo->pretty_name, strerror(ret));
		return ret;
	}

	MediaPlugin* plugin = GetPlugin(ref);
	if (!plugin) {
		printf("PluginManager::CreateEncoder: GetPlugin failed\n");
		return B_ERROR;
	}
	
	EncoderPlugin* encoderPlugin = dynamic_cast<EncoderPlugin*>(plugin);
	if (encoderPlugin == NULL) {
		printf("PluginManager::CreateEncoder: dynamic_cast failed\n");
		PutPlugin(plugin);
		return B_ERROR;
	}

	*_encoder = encoderPlugin->NewEncoder(*codecInfo);
	if (*_encoder == NULL) {
		printf("PluginManager::CreateEncoder: NewEncoder() failed\n");
		PutPlugin(plugin);
		return B_ERROR;
	}
	TRACE("  created encoder: %p\n", *_encoder);
	(*_encoder)->fMediaPlugin = plugin;

	TRACE("PluginManager::CreateEncoder leave\n");

	return B_OK;
}