C++ LOGGER_WARNING函数代码示例

ToxAV *toxav_new(Tox *tox, TOXAV_ERR_NEW *error)
{
    TOXAV_ERR_NEW rc = TOXAV_ERR_NEW_OK;
    ToxAV *av = NULL;

    if (tox == NULL) {
        rc = TOXAV_ERR_NEW_NULL;
        goto END;
    }

    if (((Messenger *)tox)->msi_packet) {
        rc = TOXAV_ERR_NEW_MULTIPLE;
        goto END;
    }

    av = calloc (sizeof(ToxAV), 1);

    if (av == NULL) {
        LOGGER_WARNING("Allocation failed!");
        rc = TOXAV_ERR_NEW_MALLOC;
        goto END;
    }

    if (create_recursive_mutex(av->mutex) != 0) {
        LOGGER_WARNING("Mutex creation failed!");
        rc = TOXAV_ERR_NEW_MALLOC;
        goto END;
    }

    av->m = (Messenger *)tox;
    av->msi = msi_new(av->m);

    if (av->msi == NULL) {
        pthread_mutex_destroy(av->mutex);
        rc = TOXAV_ERR_NEW_MALLOC;
        goto END;
    }

    av->interval = 200;
    av->msi->av = av;

    msi_register_callback(av->msi, callback_invite, msi_OnInvite);
    msi_register_callback(av->msi, callback_start, msi_OnStart);
    msi_register_callback(av->msi, callback_end, msi_OnEnd);
    msi_register_callback(av->msi, callback_error, msi_OnError);
    msi_register_callback(av->msi, callback_error, msi_OnPeerTimeout);
    msi_register_callback(av->msi, callback_capabilites, msi_OnCapabilities);

END:

    if (error)
        *error = rc;

    if (rc != TOXAV_ERR_NEW_OK) {
        free(av);
        av = NULL;
    }

    return av;
}

    bool SDLPlatform::_initialize()
    {
        m_touchpad = false;

        if( SDL_Init(SDL_INIT_EVERYTHING) < 0 )
        {
            LOGGER_CRITICAL(m_serviceProvider)("SDL initialization failed");
            return false;
        }

        const Char* sdlPlatform = SDL_GetPlatform();
        const int sdlRam = SDL_GetSystemRAM();

        m_platformName = Helper::stringizeString(m_serviceProvider, sdlPlatform);

        LOGGER_WARNING(m_serviceProvider)("Device info:"
            );

        LOGGER_WARNING(m_serviceProvider)("Platform: %s"
            , sdlPlatform
            );

        LOGGER_WARNING(m_serviceProvider)("RAM: %d MB"
            , sdlRam
            );

        m_sdlInput = new SDLInput();
        m_sdlInput->setServiceProvider(m_serviceProvider);
        if( !m_sdlInput->initialize() )
        {
            return false;
        }

        return true;
    }

/**
 * @brief Encode audio frame
 *
 * @param av Handler
 * @param dest dest
 * @param dest_max Max dest size
 * @param frame The frame
 * @param frame_size The frame size
 * @return int
 * @retval ToxAvError On error.
 * @retval >0 On success
 */
int toxav_prepare_audio_frame ( ToxAv *av, int32_t call_index, uint8_t *dest, int dest_max, const int16_t *frame,
                                int frame_size)
{
    if (cii(call_index, av->msi_session) || !av->calls[call_index].call_active) {
        LOGGER_WARNING("Action on inactive call: %d", call_index);
        return ErrorNoCall;
    }

    CallSpecific *call = &av->calls[call_index];
    pthread_mutex_lock(&call->mutex);


    if (!call->call_active) {
        pthread_mutex_unlock(&call->mutex);
        LOGGER_WARNING("Action on inactive call: %d", call_index);
        return ErrorNoCall;
    }

    int32_t rc = opus_encode(call->cs->audio_encoder, frame, frame_size, dest, dest_max);
    pthread_mutex_unlock(&call->mutex);

    if (rc < 0) {
        LOGGER_ERROR("Failed to encode payload: %s\n", opus_strerror(rc));
        return ErrorInternal;
    }

    return rc;
}

/**
 * @brief Receive decoded audio frame.
 *
 * @param av Handler.
 * @param frame_size The size of dest in frames/samples (one frame/sample is 16 bits or 2 bytes
 *                   and corresponds to one sample of audio.)
 * @param dest Destination of the raw audio (16 bit signed pcm with AUDIO_CHANNELS channels).
 *             Make sure it has enough space for frame_size frames/samples.
 * @return int
 * @retval >=0 Size of received data in frames/samples.
 * @retval ToxAvError On error.
 */
inline__ int toxav_recv_audio ( ToxAv *av, int32_t call_index, int frame_size, int16_t *dest )
{
    if ( !dest ) return ErrorInternal;

    if (cii(call_index, av->msi_session) || !av->calls[call_index].call_active) {
        LOGGER_WARNING("Action on inactive call: %d", call_index);
        return ErrorNoCall;
    }


    CallSpecific *call = &av->calls[call_index];

    uint8_t packet [RTP_PAYLOAD_SIZE];

    int recved_size = toxav_recv_rtp_payload(av, call_index, TypeAudio, packet);

    if ( recved_size == ErrorAudioPacketLost ) {
        int dec_size = opus_decode(call->cs->audio_decoder, NULL, 0, dest, frame_size, 1);

        if ( dec_size < 0 ) {
            LOGGER_WARNING("Decoding error: %s", opus_strerror(dec_size));
            return ErrorInternal;
        } else return dec_size;

    } else if ( recved_size ) {
        int dec_size = opus_decode(call->cs->audio_decoder, packet, recved_size, dest, frame_size, 0);

        if ( dec_size < 0 ) {
            LOGGER_WARNING("Decoding error: %s", opus_strerror(dec_size));
            return ErrorInternal;
        } else return dec_size;
    } else {
        return 0; /* Nothing received */
    }
}

/**
 * Callback for networking core.
 */
int rtp_handle_packet ( void *object, const uint8_t *data, uint32_t length )
{
    RTPSession *session = object;
    RTPMessage *msg;

    if ( !session || length < 13 ) { /* 12 is the minimum length for rtp + desc. byte */
        LOGGER_WARNING("No session or invalid length of received buffer!");
        return -1;
    }

    msg = msg_parse ( data + 1, length - 1 );

    if ( !msg ) {
        LOGGER_WARNING("Could not parse message!");
        return -1;
    }

    /* Check if message came in late */
    if ( check_late_message(session, msg) < 0 ) { /* Not late */
        session->rsequnum = msg->header->sequnum;
        session->timestamp = msg->header->timestamp;
    }

    queue_message(session, msg);

    return 0;
}

TagLib::ByteVector TagLib::EncodeBase64(const TagLib::ByteVector& input)
{
    ByteVector result;

    CFErrorRef error;
    SFB::SecTransform encoder = SecEncodeTransformCreate(kSecBase64Encoding, &error);
    if(nullptr == encoder) {
        LOGGER_WARNING("org.sbooth.AudioEngine", "SecEncodeTransformCreate failed: " << error);
        return TagLib::ByteVector::null;
    }

    SFB::CFData sourceData = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, (const UInt8 *)input.data(), (CFIndex)input.size(), kCFAllocatorNull);
    if(!sourceData)
        return TagLib::ByteVector::null;

    if(!SecTransformSetAttribute(encoder, kSecTransformInputAttributeName, sourceData, &error)) {
        LOGGER_WARNING("org.sbooth.AudioEngine", "SecTransformSetAttribute failed: " << error);
        return TagLib::ByteVector::null;
    }

    SFB::CFData encodedData = (CFDataRef)SecTransformExecute(encoder, &error);
    if(!encodedData) {
        LOGGER_WARNING("org.sbooth.AudioEngine", "SecTransformExecute failed: " << error);
        return TagLib::ByteVector::null;
    }

    result.setData((const char *)CFDataGetBytePtr((CFDataRef)encodedData), (TagLib::uint)CFDataGetLength((CFDataRef)encodedData));

    return result;
}

int ac_queue_message(void *acp, struct RTPMessage *msg)
{
    if (!acp || !msg) {
        return -1;
    }

    ACSession *ac = (ACSession *)acp;

    if ((msg->header.pt & 0x7f) == (rtp_TypeAudio + 2) % 128) {
        LOGGER_WARNING(ac->log, "Got dummy!");
        free(msg);
        return 0;
    }

    if ((msg->header.pt & 0x7f) != rtp_TypeAudio % 128) {
        LOGGER_WARNING(ac->log, "Invalid payload type!");
        free(msg);
        return -1;
    }

    pthread_mutex_lock(ac->queue_mutex);
    int rc = jbuf_write(ac->log, (struct JitterBuffer *)ac->j_buf, msg);
    pthread_mutex_unlock(ac->queue_mutex);

    if (rc == -1) {
        LOGGER_WARNING(ac->log, "Could not queue the message!");
        free(msg);
        return -1;
    }

    return 0;
}

/**
 * @brief Send audio frame.
 *
 * @param av Handler.
 * @param data The audio data encoded with toxav_prepare_audio_frame().
 * @param size Its size in number of bytes.
 * @return int
 * @retval 0 Success.
 * @retval ToxAvError On error.
 */
int toxav_send_audio ( ToxAv *av, int32_t call_index, const uint8_t *data, unsigned int size)
{
    if (size > MAX_CRYPTO_DATA_SIZE)
        return ErrorInternal;

    if (cii(call_index, av->msi_session) || !av->calls[call_index].call_active) {
        LOGGER_WARNING("Action on inactive call: %d", call_index);
        return ErrorNoCall;
    }

    CallSpecific *call = &av->calls[call_index];
    pthread_mutex_lock(&call->mutex);


    if (!call->call_active) {
        pthread_mutex_unlock(&call->mutex);
        LOGGER_WARNING("Action on inactive call: %d", call_index);
        return ErrorNoCall;
    }

    int rc = toxav_send_rtp_payload(av, call_index, TypeAudio, data, size);
    pthread_mutex_unlock(&call->mutex);

    return rc;
}

void handle_push(MSICall *call, const MSIMessage *msg)
{
    assert(call);

    LOGGER_DEBUG(call->session->messenger->log, "Session: %p Handling 'push' friend: %d", call->session,
                 call->friend_number);

    if (!msg->capabilities.exists) {
        LOGGER_WARNING(call->session->messenger->log, "Session: %p Invalid capabilities on 'push'");
        call->error = msi_EInvalidMessage;
        goto FAILURE;
    }

    switch (call->state) {
        case msi_CallActive: {
            /* Only act if capabilities changed */
            if (call->peer_capabilities != msg->capabilities.value) {
                LOGGER_INFO(call->session->messenger->log, "Friend is changing capabilities to: %u", msg->capabilities.value);

                call->peer_capabilities = msg->capabilities.value;

                if (invoke_callback(call, msi_OnCapabilities) == -1) {
                    goto FAILURE;
                }
            }
        }
        break;

        case msi_CallRequesting: {
            LOGGER_INFO(call->session->messenger->log, "Friend answered our call");

            /* Call started */
            call->peer_capabilities = msg->capabilities.value;
            call->state = msi_CallActive;

            if (invoke_callback(call, msi_OnStart) == -1) {
                goto FAILURE;
            }
        }
        break;

        /* Pushes during initialization state are ignored */
        case msi_CallInactive: // fall-through
        case msi_CallRequested: {
            LOGGER_WARNING(call->session->messenger->log, "Ignoring invalid push");
        }
        break;
    }

    return;

FAILURE:
    send_error(call->session->messenger, call->friend_number, call->error);
    kill_call(call);
}

SFB::Audio::Metadata::unique_ptr SFB::Audio::Metadata::CreateMetadataForURL(CFURLRef url, CFErrorRef *error)
{
	if(nullptr == url)
		return nullptr;

	// If this is a file URL, use the extension-based resolvers
	SFB::CFString scheme = CFURLCopyScheme(url);

	// If there is no scheme the URL is invalid
	if(!scheme) {
		if(error)
			*error = CFErrorCreate(kCFAllocatorDefault, kCFErrorDomainPOSIX, EINVAL, nullptr);
		return nullptr;
	}

	if(kCFCompareEqualTo == CFStringCompare(CFSTR("file"), scheme, kCFCompareCaseInsensitive)) {
		// Verify the file exists
		SInt32 errorCode = noErr;
		SFB::CFBoolean fileExists = (CFBooleanRef)CFURLCreatePropertyFromResource(kCFAllocatorDefault, url, kCFURLFileExists, &errorCode);
		
		if(fileExists) {
			if(CFBooleanGetValue(fileExists)) {
				SFB::CFString pathExtension = CFURLCopyPathExtension(url);
				if(pathExtension) {
					
					// Some extensions (.oga for example) support multiple audio codecs (Vorbis, FLAC, Speex)

					for(auto subclassInfo : sRegisteredSubclasses) {
						if(subclassInfo.mHandlesFilesWithExtension(pathExtension)) {
							unique_ptr metadata(subclassInfo.mCreateMetadata(url));
							if(metadata->ReadMetadata(error))
								return metadata;
						}
					}
				}
			}
			else {
				LOGGER_WARNING("org.sbooth.AudioEngine.Metadata", "The requested URL doesn't exist");
				
				if(error) {
					SFB::CFString description = CFCopyLocalizedString(CFSTR("The file “%@” does not exist."), "");
					SFB::CFString failureReason = CFCopyLocalizedString(CFSTR("File not found"), "");
					SFB::CFString recoverySuggestion = CFCopyLocalizedString(CFSTR("The file may exist on removable media or may have been deleted."), "");
					
					*error = CreateErrorForURL(Metadata::ErrorDomain, Metadata::InputOutputError, description, url, failureReason, recoverySuggestion);
				}
			}
		}
		else
			LOGGER_WARNING("org.sbooth.AudioEngine.Metadata", "CFURLCreatePropertyFromResource failed: " << errorCode);		
	}

	return nullptr;
}

/**
 * @brief Encode video frame
 *
 * @param av Handler
 * @param dest Where to
 * @param dest_max Max size
 * @param input What to encode
 * @return int
 * @retval ToxAvError On error.
 * @retval >0 On success
 */
int toxav_prepare_video_frame(ToxAv *av, int32_t call_index, uint8_t *dest, int dest_max, vpx_image_t *input)
{
    if (cii(call_index, av->msi_session)) {
        LOGGER_WARNING("Invalid call index: %d", call_index);
        return ErrorNoCall;
    }


    CallSpecific *call = &av->calls[call_index];
    pthread_mutex_lock(&call->mutex);

    if (!call->call_active) {
        pthread_mutex_unlock(&call->mutex);
        LOGGER_WARNING("Action on inactive call: %d", call_index);
        return ErrorNoCall;
    }

    if (reconfigure_video_encoder_resolution(call->cs, input->d_w, input->d_h) != 0) {
        pthread_mutex_unlock(&call->mutex);
        return ErrorInternal;
    }

    int rc = vpx_codec_encode(&call->cs->v_encoder, input, call->cs->frame_counter, 1, 0, MAX_ENCODE_TIME_US);

    if ( rc != VPX_CODEC_OK) {
        LOGGER_ERROR("Could not encode video frame: %s\n", vpx_codec_err_to_string(rc));
        pthread_mutex_unlock(&call->mutex);
        return ErrorInternal;
    }

    ++call->cs->frame_counter;

    vpx_codec_iter_t iter = NULL;
    const vpx_codec_cx_pkt_t *pkt;
    int copied = 0;

    while ( (pkt = vpx_codec_get_cx_data(&call->cs->v_encoder, &iter)) ) {
        if (pkt->kind == VPX_CODEC_CX_FRAME_PKT) {
            if ( copied + pkt->data.frame.sz > dest_max ) {
                pthread_mutex_unlock(&call->mutex);
                return ErrorPacketTooLarge;
            }

            memcpy(dest + copied, pkt->data.frame.buf, pkt->data.frame.sz);
            copied += pkt->data.frame.sz;
        }
    }

    pthread_mutex_unlock(&call->mutex);
    return copied;
}

RTPSession *rtp_new ( int payload_type, Messenger *messenger, int friend_num )
{
    RTPSession *retu = calloc(1, sizeof(RTPSession));

    if ( !retu ) {
        LOGGER_WARNING("Alloc failed! Program might misbehave!");
        return NULL;
    }

    if ( -1 == custom_lossy_packet_registerhandler(messenger, friend_num, payload_type, rtp_handle_packet, retu)) {
        LOGGER_ERROR("Error setting custom register handler for rtp session");
        free(retu);
        return NULL;
    }

    LOGGER_DEBUG("Registered packet handler: pt: %d; fid: %d", payload_type, friend_num);

    retu->version   = RTP_VERSION;   /* It's always 2 */
    retu->padding   = 0;             /* If some additional data is needed about the packet */
    retu->extension = 0;           /* If extension to header is needed */
    retu->cc        = 1;           /* Amount of contributors */
    retu->csrc      = NULL;        /* Container */
    retu->ssrc      = random_int();
    retu->marker    = 0;
    retu->payload_type = payload_type % 128;

    retu->dest = friend_num;

    retu->rsequnum = retu->sequnum = 0;

    retu->ext_header = NULL; /* When needed allocate */


    if ( !(retu->csrc = calloc(1, sizeof (uint32_t))) ) {
        LOGGER_WARNING("Alloc failed! Program might misbehave!");
        free(retu);
        return NULL;
    }

    retu->csrc[0] = retu->ssrc; /* Set my ssrc to the list receive */

    /* Also set payload type as prefix */
    retu->prefix = payload_type;

    /*
     *
     */
    return retu;
}

SInt64 SFB::Audio::DSFDecoder::_SeekToFrame(SInt64 frame)
{
	// Round down to nearest multiple of 8 frames
	frame = (frame / 8) * 8;

	// Seek to the start of the block containing frame
	auto blockSizePerChannelInFrames = mFormat.ByteCountToFrameCount(mBlockByteSizePerChannel);
	auto blockNumber = (size_t)frame / blockSizePerChannelInFrames;
	auto blockOffset = blockNumber * mBlockByteSizePerChannel * mFormat.mChannelsPerFrame;

	if(!GetInputSource().SeekToOffset(mAudioOffset + (SInt64)blockOffset)) {
		LOGGER_WARNING("org.sbooth.AudioEngine.Decoder.DSF", "_SeekToFrame() failed for offset: " << mAudioOffset + (SInt64)blockOffset);
		return -1;
	}

	if(!ReadAndDeinterleaveDSDBlock())
		return -1;

	// Skip to the specified frame
	UInt32	framesToSkip	= (UInt32)frame % blockSizePerChannelInFrames;
	UInt32	framesInBuffer	= (UInt32)mFormat.ByteCountToFrameCount(mBufferList->mBuffers[0].mDataByteSize);

	// Copy data from the buffer to output
	for(UInt32 i = 0; i < mBufferList->mNumberBuffers; ++i) {
		uint8_t *dst = (uint8_t *)mBufferList->mBuffers[i].mData;
		memmove(dst, dst + mFormat.FrameCountToByteCount(framesToSkip), mFormat.FrameCountToByteCount(framesInBuffer - framesToSkip));
		mBufferList->mBuffers[i].mDataByteSize -= (UInt32)mFormat.FrameCountToByteCount(framesToSkip);
	}

	mCurrentFrame = frame;

	return _GetCurrentFrame();
}

int invoke_callback(MSICall *call, MSICallbackID cb)
{
    assert(call);

    if (call->session->callbacks[cb]) {
        LOGGER_DEBUG(call->session->messenger->log, "Invoking callback function: %d", cb);

        if (call->session->callbacks[cb](call->session->av, call) != 0) {
            LOGGER_WARNING(call->session->messenger->log,
                           "Callback state handling failed, sending error");
            goto FAILURE;
        }

        return 0;
    }

FAILURE:
    /* If no callback present or error happened while handling,
     * an error message will be sent to friend
     */

    if (call->error == msi_ENone) {
        call->error = msi_EHandle;
    }

    return -1;
}

bool MemoryMappedFileInputSource::Close(CFErrorRef *error)
{
	if(!IsOpen()) {
		LOGGER_WARNING("org.sbooth.AudioEngine.InputSource.MemoryMappedFile", "Close() called on an InputSource that hasn't been opened");
		return true;
	}

	memset(&mFilestats, 0, sizeof(mFilestats));

	if(nullptr != mMemory) {
		int result = munmap(mMemory, mFilestats.st_size);

		mMemory = nullptr;
		mCurrentPosition = nullptr;

		if(-1 == result) {
			if(error)
				*error = CFErrorCreate(kCFAllocatorDefault, kCFErrorDomainPOSIX, errno, nullptr);
			return false; 
		}
	}

	mIsOpen = false;
	return true;
}