C++ (Cpp) rdpsnd_server_send_audio_pduの例

コード例 #1

ファイル: rdpsnd_main.c プロジェクト: iteleport/FreeRDP

static BOOL rdpsnd_server_close(RdpsndServerContext* context)
{
	int pos;
	BOOL status;
	wStream* s = context->priv->rdpsnd_pdu;

	if (context->selected_client_format < 0)
		return FALSE;

	if (context->priv->out_pending_frames > 0)
	{
		if (!rdpsnd_server_send_audio_pdu(context))
			return FALSE;
	}

	context->selected_client_format = -1;

	Stream_Write_UINT8(s, SNDC_CLOSE);
	Stream_Write_UINT8(s, 0);
	Stream_Seek_UINT16(s);

	pos = Stream_GetPosition(s);
	Stream_SetPosition(s, 2);
	Stream_Write_UINT16(s, pos - 4);
	Stream_SetPosition(s, pos);
	status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_GetPosition(s), NULL);
	Stream_SetPosition(s, 0);

	return status;
}

コード例 #2

ファイル: rdpsnd_main.c プロジェクト: iteleport/FreeRDP

static BOOL rdpsnd_server_send_samples(RdpsndServerContext* context, const void* buf, int nframes)
{
	int cframes;
	int cframesize;

	if (context->selected_client_format < 0)
		return FALSE;

	while (nframes > 0)
	{
		cframes = MIN(nframes, context->priv->out_frames - context->priv->out_pending_frames);
		cframesize = cframes * context->priv->src_bytes_per_frame;

		CopyMemory(context->priv->out_buffer +
				(context->priv->out_pending_frames * context->priv->src_bytes_per_frame), buf, cframesize);
		buf = (BYTE*) buf + cframesize;
		nframes -= cframes;
		context->priv->out_pending_frames += cframes;

		if (context->priv->out_pending_frames >= context->priv->out_frames)
		{
			if (!rdpsnd_server_send_audio_pdu(context))
				return FALSE;
		}
	}

	return TRUE;
}

コード例 #3

ファイル: rdpsnd.c プロジェクト: mgariepy/FreeRDP

static BOOL rdpsnd_server_send_samples(rdpsnd_server_context* context, const void* buf, int nframes)
{
	int cframes;
	int cframesize;
	rdpsnd_server* rdpsnd = (rdpsnd_server*) context;

	if (rdpsnd->context.selected_client_format < 0)
		return FALSE;

	while (nframes > 0)
	{
		cframes = MIN(nframes, rdpsnd->out_frames - rdpsnd->out_pending_frames);
		cframesize = cframes * rdpsnd->src_bytes_per_frame;

		memcpy(rdpsnd->out_buffer + (rdpsnd->out_pending_frames * rdpsnd->src_bytes_per_frame), buf, cframesize);
		buf = (BYTE*) buf + cframesize;
		nframes -= cframes;
		rdpsnd->out_pending_frames += cframes;

		if (rdpsnd->out_pending_frames >= rdpsnd->out_frames)
		{
			if (!rdpsnd_server_send_audio_pdu(rdpsnd))
				return FALSE;
		}
	}

	return TRUE;
}

コード例 #4

ファイル: rdpsnd.c プロジェクト: mgariepy/FreeRDP

static BOOL rdpsnd_server_close(rdpsnd_server_context* context)
{
	rdpsnd_server* rdpsnd = (rdpsnd_server*) context;
	STREAM* s = rdpsnd->rdpsnd_pdu;

	if (rdpsnd->context.selected_client_format < 0)
		return FALSE;

	if (rdpsnd->out_pending_frames > 0)
	{
		if (!rdpsnd_server_send_audio_pdu(rdpsnd))
			return FALSE;
	}

	rdpsnd->context.selected_client_format = -1;

	RDPSND_PDU_INIT(s, SNDC_CLOSE);
	RDPSND_PDU_FINISH(s);
}

コード例 #5

ファイル: rdpsnd_main.c プロジェクト: DavBfr/FreeRDP

/**
 * Function description
 *
 * @return 0 on success, otherwise a Win32 error code
 */
static UINT rdpsnd_server_close(RdpsndServerContext* context)
{
	int pos;
	BOOL status;
	ULONG written;
	wStream* s = context->priv->rdpsnd_pdu;
	UINT error = CHANNEL_RC_OK;

	EnterCriticalSection(&context->priv->lock);

	if (context->priv->out_pending_frames > 0)
	{
		if (context->selected_client_format < 0)
		{
			WLog_ERR(TAG, "Pending audio frame exists while no format selected.");
			error = ERROR_INVALID_DATA;
		} 
		else if ((error = rdpsnd_server_send_audio_pdu(context, 0)))
		{
			WLog_ERR(TAG, "rdpsnd_server_send_audio_pdu failed with error %lu", error);
		}
	}

	LeaveCriticalSection(&context->priv->lock);

	if (error)
		return error;

	context->selected_client_format = -1;

	Stream_Write_UINT8(s, SNDC_CLOSE);
	Stream_Write_UINT8(s, 0);
	Stream_Seek_UINT16(s);

	pos = Stream_GetPosition(s);
	Stream_SetPosition(s, 2);
	Stream_Write_UINT16(s, pos - 4);
	Stream_SetPosition(s, pos);
	status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_GetPosition(s), &written);
	Stream_SetPosition(s, 0);

	return status ? CHANNEL_RC_OK : ERROR_INTERNAL_ERROR;
}

コード例 #6

ファイル: rdpsnd_main.c プロジェクト: DavBfr/FreeRDP

/**
 * Function description
 *
 * @return 0 on success, otherwise a Win32 error code
 */
static UINT rdpsnd_server_send_samples(RdpsndServerContext* context, const void* buf, int nframes, UINT16 wTimestamp)
{
	int cframes;
	int cframesize;
	UINT error = CHANNEL_RC_OK;

	EnterCriticalSection(&context->priv->lock);

	if (context->selected_client_format < 0)
	{
		/* It's possible while format negotiation has not been done */
		WLog_WARN(TAG, "Drop samples because client format has not been negotiated.");
		error = ERROR_NOT_READY;
		goto out;
	}

	while (nframes > 0)
	{
		cframes = MIN(nframes, context->priv->out_frames - context->priv->out_pending_frames);
		cframesize = cframes * context->priv->src_bytes_per_frame;

		CopyMemory(context->priv->out_buffer +
				(context->priv->out_pending_frames * context->priv->src_bytes_per_frame), buf, cframesize);
		buf = (BYTE*) buf + cframesize;
		nframes -= cframes;
		context->priv->out_pending_frames += cframes;

		if (context->priv->out_pending_frames >= context->priv->out_frames)
		{
			if ((error = rdpsnd_server_send_audio_pdu(context, wTimestamp)))
			{
				WLog_ERR(TAG, "rdpsnd_server_send_audio_pdu failed with error %lu", error);
				break;
			}
		}
	}

out:
	LeaveCriticalSection(&context->priv->lock);
	return error;
}