Exemplo n.º 1
0
static snd_pcm_sframes_t io_capture_transfer(struct snd_pcm_plugin *plugin,
				   const struct snd_pcm_plugin_channel *src_channels,
				   struct snd_pcm_plugin_channel *dst_channels,
				   snd_pcm_uframes_t frames)
{
	if (snd_BUG_ON(!plugin))
		return -ENXIO;
	if (snd_BUG_ON(!dst_channels))
		return -ENXIO;
	if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) {
		return pcm_read(plugin->plug, dst_channels->area.addr, frames);
	} else {
		int channel, channels = plugin->dst_format.channels;
		void **bufs = (void**)plugin->extra_data;
		if (snd_BUG_ON(!bufs))
			return -ENXIO;
		for (channel = 0; channel < channels; channel++) {
			if (dst_channels[channel].enabled)
				bufs[channel] = dst_channels[channel].area.addr;
			else
				bufs[channel] = NULL;
		}
		return pcm_readv(plugin->plug, bufs, frames);
	}
	return 0;
}
Exemplo n.º 2
0
//读取flash参数
void read_flash( void )
{			
	lcd_clear(BLACK);
	
	if (FR_OK != lcd_font16(0,0,BLACK,BLACK," ","song16.zk") )
	{
		lcd_mem_err(250,200,RED,BLACK);
		
		while (1);
	}
	
	pcm_read();												//从flash读取上位机参数
	prm_read();												//从flash区读取系统参数
	prv_read();												//从flash读取特权参数
	
	pHmi = pcm_hmi_get(); 									//获取人机界面的杂项参数
	formate_flash();										//格式化FLASH
	pTest = pcm_test_get(pHmi->test_standard_index);		//从FLASH获取试验索引以及数据,放入内存
	
	smpl_name = KZ_KY_judge(pHmi->test_standard_index);  	//判断当前通道,为了后面设置保护模式
	cur_model = cur_model_get();							//获取机型
	cur_model_type = model_type_get();						//获取机型类型

//	LCD_light_set(pHmi->lcd_light_use);						//设置背光		

	boot_link();											//上电后联机
	
	LinkInit();												//与PC联机初始化

	set_page(mainpage);										//默认进入主界面
}
Exemplo n.º 3
0
static
int caf_info(caf_reader_t *reader, int64_t chunk_size)
{
    char *buf, *key, *val, *end;
    size_t len;

    if (chunk_size < 4 || (buf = malloc(chunk_size)) == 0)
        return -1;
    pcm_read(&reader->io, buf, chunk_size);
    key = buf + 4;
    end = buf + chunk_size;
    do {
        if ((val = key + strlen(key) + 1) < end) {
            len = strlen(val);
            if (reader->tag_callback)
                reader->tag_callback(reader->tag_ctx, key, val, len);
            key = val + len + 1;
        }
    } while (key < end && val < end);

    if (reader->tag_callback)
        reader->tag_callback(reader->tag_ctx, 0, 0, 0);
    free(buf);
    return 0;
}
Exemplo n.º 4
0
/*------------------------------------------------------------
 * Function Name  : ReadFlash
 * Description    : 读取FLASH
 * Input          : None
 * Output         : None
 * Return         : None
 *------------------------------------------------------------*/
void ReadFlash( void )
{			
	lcd_clear(WHITE);
	
	pcm_read();												//从flash读取上位机参数
	prm_read();												//从flash区读取系统参数
	prv_read();												//从flash读取特权参数
	
	pHmi = pcm_hmi_get(); 									//获取人机界面的杂项参数
	
	FormateFlash();											//格式化FLASH
	
	pTest = pcm_test_get(pHmi->test_standard_index);		//从FLASH获取试验索引以及数据,放入内存
	
	AutoBackUpSystem();										//自动备份
	
	HandlerNearExpire();									//接近到期警告
	
	ChangeTestType();										//防止抗折机使用抗压试验,抗压机使用抗折试验
	
	BootLink();												//上电后联机
	
	get_key(0x00000000);									//熄灭全部LED
	
	SetPage(MAIN_PAGE);										//默认进入主界面
}
Exemplo n.º 5
0
int pcm_read32be(pcm_io_context_t *io, uint32_t *value)
{
    if (pcm_read(io, value, 4) == 4) {
        *value = m4af_btoh32(*value);
        return 0;
    }
    return -1;
}
Exemplo n.º 6
0
int pcm_read16be(pcm_io_context_t *io, uint16_t *value)
{
    if (pcm_read(io, value, 2) == 2) {
        *value = m4af_btoh16(*value);
        return 0;
    }
    return -1;
}
Exemplo n.º 7
0
int pcm_read64be(pcm_io_context_t *io, uint64_t *value)
{
    if (pcm_read(io, value, 8) == 8) {
        *value = m4af_btoh64(*value);
        return 0;
    }
    return -1;
}
Exemplo n.º 8
0
unsigned int capture_sample(FILE *file, unsigned int card, unsigned int device,
                            unsigned int channels, unsigned int rate,
                            enum pcm_format format, unsigned int period_size,
                            unsigned int period_count)
{
    struct pcm_config config;
    struct pcm *pcm;
    char *buffer;
    unsigned int size;
    unsigned int bytes_read = 0;

    memset(&config, 0, sizeof(config));
    config.channels = channels;
    config.rate = rate;
    config.period_size = period_size;
    config.period_count = period_count;
    config.format = format;
    config.start_threshold = 0;
    config.stop_threshold = 0;
    config.silence_threshold = 0;

    pcm = pcm_open(card, device, PCM_IN, &config);
    if (!pcm || !pcm_is_ready(pcm)) {
        fprintf(stderr, "Unable to open PCM device (%s)\n",
                pcm_get_error(pcm));
        return 0;
    }

    size = pcm_frames_to_bytes(pcm, pcm_get_buffer_size(pcm));
    buffer = malloc(size);
    if (!buffer) {
        fprintf(stderr, "Unable to allocate %d bytes\n", size);
        free(buffer);
        pcm_close(pcm);
        return 0;
    }

    printf("Capturing sample: %u ch, %u hz, %u bit\n", channels, rate,
           pcm_format_to_bits(format));

    while (capturing && !pcm_read(pcm, buffer, size)) {
        if (fwrite(buffer, 1, size, file) != size) {
            fprintf(stderr,"Error capturing sample\n");
            break;
        }
        bytes_read += size;
    }

    free(buffer);
    pcm_close(pcm);
    return pcm_bytes_to_frames(pcm, bytes_read);
}
Exemplo n.º 9
0
unsigned int capture_sample(FILE *file, unsigned int device,
                            unsigned int channels, unsigned int rate,
                            unsigned int bits)
{
    struct pcm_config config;
    struct pcm *pcm;
    char *buffer;
    unsigned int size;
    unsigned int bytes_read = 0;

    config.channels = channels;
    config.rate = rate;
    config.period_size = 1024;
    config.period_count = 4;
    if (bits == 32)
        config.format = PCM_FORMAT_S32_LE;
    else if (bits == 16)
        config.format = PCM_FORMAT_S16_LE;

    pcm = pcm_open(0, device, PCM_IN, &config);
    if (!pcm || !pcm_is_ready(pcm)) {
        fprintf(stderr, "Unable to open PCM device (%s)\n",
                pcm_get_error(pcm));
        return 0;
    }

    size = pcm_get_buffer_size(pcm);
    buffer = malloc(size);
    if (!buffer) {
        fprintf(stderr, "Unable to allocate %d bytes\n", size);
        free(buffer);
        pcm_close(pcm);
        return 0;
    }

    printf("Capturing sample: %u ch, %u hz, %u bit\n", channels, rate, bits);

    while (capturing && !pcm_read(pcm, buffer, size)) {
        if (fwrite(buffer, 1, size, file) != size) {
            fprintf(stderr,"Error capturing sample\n");
            break;
        }
        bytes_read += size;
    }

    free(buffer);
    pcm_close(pcm);
    return bytes_read / ((bits / 8) * channels);
}
Exemplo n.º 10
0
static
int caf_read_frames(pcm_reader_t *preader, void *buffer, unsigned nframes)
{
    int rc;
    unsigned i, j, nbytes;
    caf_reader_t *reader = (caf_reader_t *)preader;
    unsigned bpf = reader->sample_format.bytes_per_frame;
    unsigned nchannels = reader->sample_format.channels_per_frame;
    unsigned bpc = bpf / nchannels;
    uint8_t tmp[64]; /* enough room for maximum bpf: 8ch float64 */
    uint8_t *bp;
    uint8_t *chanmap = reader->chanmap;

    if (nframes > reader->length - reader->position)
        nframes = reader->length - reader->position;
    nbytes = nframes * bpf;
    if (nbytes) {
        if ((rc = pcm_read(&reader->io, buffer, nbytes)) < 0)
            return -1;
        nframes = rc / bpf;
        for (bp = buffer, i = 0; i < nframes; ++i, bp += bpf) {
            memcpy(tmp, bp, bpf);
            for (j = 0; j < nchannels; ++j)
                memcpy(bp + bpc * j, tmp + bpc * chanmap[j], bpc);
        }
        reader->position += nframes;
    }
    if (nframes == 0) {
        /* fetch info after data chunk */
        uint32_t fcc;
        int64_t chunk_size;
        while ((fcc = caf_next_chunk(reader, &chunk_size)) != 0) {
            if (fcc == M4AF_FOURCC('i','n','f','o'))
                TRY_IO(caf_info(reader, chunk_size));
            else
                TRY_IO(pcm_skip(&reader->io, chunk_size));
        }
    }
    return nframes;
FAIL:
    return 0;
}
bool AudioRecordingLocal::doPlaybackOrRecord(android::sp<Buffer>& buffer)
{
    int toRead = mSizes;
    if (buffer->amountToHandle() < (size_t)mSizes) {
        toRead = buffer->amountToHandle();
    }
    LOGD("recording will read %d", toRead);

    while (toRead > 0) {
        int readSize = (toRead > mBufferSize) ? mBufferSize : toRead;
        if (pcm_read(mPcmHandle, buffer->getUnhanledData(), readSize)) {
            LOGE("AudioRecordingLocal error %s", pcm_get_error(mPcmHandle));
            return false;
        }
        buffer->increaseHandled(readSize);
        toRead -= readSize;
    }
    LOGV("AudioRecordingLocal::doPlaybackOrRecord %d", buffer->amountHandled());
    return true;
}
Exemplo n.º 12
0
/*------------------------------------------------------------
 * Function Name  : FormateFlash
 * Description    : 用于第一次使用时格式化FLASH
 * Input          : None
 * Output         : None
 * Return         : None
 *------------------------------------------------------------*/
void FormateFlash( void )
{	
	SetFormateFlashTimeOut(1000);

	while (GetFormateFlashTimeOut() == TIMEIN)
	{
		if (KEY_STOP != get_key(0xffffffff))
		{
			return;
		}
	}
		
	if (EraseFlashAskHandler() == DISABLE)
	{
		return;
	}
	
	SetPage(USER_LOGIN_PAGE);
	if (FAILED == LoadManagerLogin() )
	{
		lcd_clear(COLOR_BACK);
		return;
	}
		
	memset(get_pcm(),0x00,PCM_MEM_SIZE);				
	memset(get_prm(),0x00,PRM_MEM_SIZE);		
	memset(get_prv(),0x00,PRV_MEM_SIZE);
	
	pHmi->test_standard_index = KYSNJS;	//设置默认试验
	pHmi->lcd_light_use = 5;			//设置默认亮度
	
	pcm_save();
	prm_save();
	prv_save();
	
	pcm_read();												
	prm_read();												
	prv_read();	

	lcd_clear(COLOR_BACK);	
}
Exemplo n.º 13
0
static ssize_t in_read(struct audio_stream_in *stream, void *buffer,
                       size_t bytes)
{
    struct stream_in *in = (struct stream_in *)stream;
    struct audio_device *adev = in->dev;
    int i, ret = -1;

    ALOGV("%s enter",__func__);

    pthread_mutex_lock(&in->lock);
    if (in->standby) {
        pthread_mutex_lock(&adev->lock);
        ret = start_input_stream(in);
        pthread_mutex_unlock(&adev->lock);
        if (ret != 0) {
            goto exit;
        }
        in->standby = false;
    }

    if (in->pcm) {
        ret = pcm_read(in->pcm, buffer, bytes);
    }
    ALOGV("in_read returned %d bytes ret = %d",bytes,ret);

exit:
    pthread_mutex_unlock(&in->lock);

    if (ret != 0) {
        in_standby(&in->stream.common);
        uint64_t duration_ms = ((bytes * 1000)/
                                (audio_stream_frame_size(&in->stream.common)) /
                                (in_get_sample_rate(&in->stream.common)));
        ALOGV("%s : silence read - read failed", __func__);
        usleep(duration_ms * 1000);
    }
    ALOGV("%s exit",__func__);

    return bytes;
}
Exemplo n.º 14
0
int read_producer_stream(bionet_stream_t *stream) {
    stream_info_t *sinfo = bionet_stream_get_user_data(stream);
    alsa_t *alsa = sinfo->info.producer.alsa;
    int r;
    int frames, bytes;

    if (!check_alsa_poll(alsa)) {
        return 0;
    }

    r = pcm_read(alsa);
    if (r < 0) {
        // FIXME
        printf("read error on stream %s\n", bionet_stream_get_local_name(stream));
        return 1;
    }

    frames = r;
    bytes = (frames * alsa->bytes_per_frame);

    hab_publish_stream(stream, alsa->audio_buffer, bytes);

#if 0
    FIXME
    r = write(client->socket, client->alsa->audio_buffer, bytes);
    if (r < 0) {
        printf("error writing stream %s to consumer: %s\n", bionet_stream_get_local_name(stream), strerror(errno));
        disconnect_client(stream, client);
        return 1;
    } else if (r < bytes) {
        printf("short write to stream %s consumer", bionet_stream_get_local_name(stream));
        disconnect_client(stream, client);
        return 1;
    }
#endif

    return 0;
}
Exemplo n.º 15
0
int record_file(unsigned rate, unsigned channels, int fd, unsigned count)
{
    struct pcm *pcm;
    unsigned avail, xfer, bufsize;
    char *data, *next;
    int r;

    pcm = pcm_open(PCM_IN|PCM_MONO);
    if (!pcm_ready(pcm)) {
        pcm_close(pcm);
        goto fail;
    }

    bufsize = pcm_buffer_size(pcm);
    
    data = malloc(bufsize);
    if (!data) {
        fprintf(stderr,"could not allocate %d bytes\n", count);
        return -1;
    }

    while (!pcm_read(pcm, data, bufsize)) {
        if (write(fd, data, bufsize) != bufsize) {
            fprintf(stderr,"could not write %d bytes\n", bufsize);
            return -1;
        }
    }

    close(fd);
    pcm_close(pcm);
    return 0;
    
fail:
    fprintf(stderr,"pcm error: %s\n", pcm_error(pcm));
    return -1;
}
Exemplo n.º 16
0
//格式化FLASH,用于第一次烧录本程序的新板子
void formate_flash( void )
{
	uint8_t *pStart_addr = NULL;
	HMI_TypeDef *pPcm = NULL;
	uint32_t len;
	
	if (pHmi->check_flash == 0xff)	
	{
		if (ask_dialog_box() == DISABLE)
		{
			return;
		}
		
		pPcm = pcm_hmi_get(); 
		len = sizeof(PCM_TypeDef);		
		memset(pPcm,0x00,len);	//清空FLASH参数区
		
		pStart_addr = get_prm();		
		memset(pStart_addr,0x00,PRM_MEM_SIZE_2CH);
		
		pHmi->test_standard_index = KZSNJS;	//设置默认试验
		pHmi->lcd_light_use = 5;			//设置默认亮度
		
		pcm_save();
		prm_save();
		prv_save();
		
		pcm_read();												
		prm_read();												
		prv_read();											
		
		#ifdef ENABLE_BEEP
			BEEP_RING_WARN();
		#endif
	}
}
Exemplo n.º 17
0
ssize_t InStream::read(void* buffer, size_t bytes) {
	int ret = 0;

	LOGFUNC("%s(%p, %p, %d)", __func__, this, buffer, bytes);

	AutoMutex lock(mLock);
	if (mStandby) {
		if (startInputStream())
			return -EBUSY;
	}

	ret = pcm_read(mPcm, buffer, bytes);
	ALOGV("pcm_read(%p, %p, %d) returned %d", mPcm, buffer, bytes, ret);

	if (ret >= 0 && mDev.mMicMute)
		memset(buffer, 0, bytes);
	if (ret < 0) {
		ALOGE("pcm_read(%p, %p, %d) returned %d", mPcm, buffer, bytes, ret);
		usleep(bytes * 1000000 /
		       audio_stream_frame_size(&audio_stream_in()->common) /
		       mConfig.rate);
	}
    return bytes;
}
static int stream_transfer(struct stream_transfer *stream_transfer)
{

	struct dev_stream *stream_sender;
	struct dev_stream *stream_receiver;
	int size_transfer = 0;
	int ret   =0;
	int exit_flag   =0;
	int i   =0;
	short* Srcptr;
	short* Drcptr;

	stream_sender = stream_transfer->stream_sender;
	stream_receiver = stream_transfer->stream_receiver;
	size_transfer = stream_sender->buf_size;


#ifdef  START_ZERO_BUFFER
	/* 消除开头杂音 */
	memset(stream_sender->buf, 0, stream_sender->buf_size);
	pcm_write(stream_receiver->dev, stream_sender->buf, stream_sender->buf_size);
#endif

	while( 1 ){
		if ( (!stream_transfer->voice_thread_run_flag) || (exit_flag == 1)){
			break;	
		}

		ret = pcm_read(stream_sender->dev, stream_sender->buf, size_transfer);
		if (ret != 0) {
			exit_flag = 1;
			ALOGE("err: read codec err:%s, ret=%d", strerror(errno), ret);
			break;
		}

		if ( (!stream_transfer->voice_thread_run_flag) || (exit_flag == 1)){
			break;	
		}

		ret = pcm_write(stream_receiver->dev, stream_sender->buf, size_transfer);
		if (ret != 0) {
			exit_flag = 1;
			ALOGE("err: write pcm err:%s, ret=%d", strerror(errno), ret);
		}

		if ( (!stream_transfer->voice_thread_run_flag) || (exit_flag == 1)){
			break;	
		}

		if (stream_transfer->record_flag == 1){
			//是上行,还是下行.
			if (stream_transfer->voice_direction == UPSTREAM){
				Srcptr = (short*)(stream_sender->buf);
				Drcptr = (short*)(record_data.record_buf + (record_data.lenwriteup%record_data.record_lenth));
				if(record_data.lenwriteup >= record_data.lenwritedown)
				{
					memcpy(Drcptr,Srcptr,size_transfer);
				}
				else
				{
					int i;
					for(i=0;i<size_transfer/2;i++,Drcptr++)
					{
						*Drcptr = (*Drcptr + *Srcptr++)/2;
					}
					record_data.lenwrite += size_transfer;
//				        sem_post(&sem_record);
				}
				record_data.lenwriteup += size_transfer;
				//ALOGD("stream is upload");
			} else {
				Srcptr = (short*)(stream_sender->buf);
				Drcptr = (short*)(record_data.record_buf + (record_data.lenwritedown%record_data.record_lenth));
				if(record_data.lenwritedown >= record_data.lenwriteup)
				{
					memcpy(Drcptr,Srcptr,size_transfer);
				}
				else
				{

					for(i=0;i<size_transfer/2;i++,Drcptr++)
					{
						*Drcptr = ((int)*Drcptr + (int)(*Srcptr++))/2;
					}
					record_data.lenwrite += size_transfer;
//				        sem_post(&sem_record);
				}
				record_data.lenwritedown += size_transfer;
				//ALOGD("stream is download");
			}	
		        sem_post(&sem_record);
		}

		//ALOGD("pcm running ... , type=%d ",stream_sender->type);
		if ( (!stream_transfer->voice_thread_run_flag) || (exit_flag == 1)){
			break;	
		}
	}
	return 0;
}
void *AudioALSACaptureDataProviderNormal::readThread(void *arg)
{
    status_t retval = NO_ERROR;
    AudioALSACaptureDataProviderNormal *pDataProvider = static_cast<AudioALSACaptureDataProviderNormal *>(arg);

    uint32_t open_index = pDataProvider->mOpenIndex;

    char nameset[32];
    sprintf(nameset, "%s%d", __FUNCTION__, pDataProvider->mCaptureDataProviderType);
    prctl(PR_SET_NAME, (unsigned long)nameset, 0, 0, 0);

#ifdef MTK_AUDIO_ADJUST_PRIORITY
    // force to set priority
    struct sched_param sched_p;
    sched_getparam(0, &sched_p);
    sched_p.sched_priority = RTPM_PRIO_AUDIO_RECORD + 1;
    if (0 != sched_setscheduler(0, SCHED_RR, &sched_p))
    {
        ALOGE("[%s] failed, errno: %d", __FUNCTION__, errno);
    }
    else
    {
        sched_p.sched_priority = RTPM_PRIO_AUDIO_RECORD + 1;
        sched_getparam(0, &sched_p);
        ALOGD("sched_setscheduler ok, priority: %d", sched_p.sched_priority);
    }
#endif
    ALOGD("+%s(), pid: %d, tid: %d, kReadBufferSize=%x, open_index=%d", __FUNCTION__, getpid(), gettid(), kReadBufferSize, open_index);


    // read raw data from alsa driver
    char linear_buffer[kReadBufferSize];
    uint32_t Read_Size = kReadBufferSize;
    uint32_t kReadBufferSize_new;
    while (pDataProvider->mEnable == true)
    {
        if (open_index != pDataProvider->mOpenIndex)
        {
            ALOGD("%s(), open_index(%d) != mOpenIndex(%d), return", __FUNCTION__, open_index, pDataProvider->mOpenIndex);
            break;
        }

        retval = pDataProvider->mEnableLock.lock_timeout(300);
        ASSERT(retval == NO_ERROR);
        if (pDataProvider->mEnable == false)
        {
            pDataProvider->mEnableLock.unlock();
            break;
        }

        ASSERT(pDataProvider->mPcm != NULL);
        clock_gettime(CLOCK_REALTIME, &pDataProvider->mNewtime);
        pDataProvider->timerec[0] = calc_time_diff(pDataProvider->mNewtime, pDataProvider->mOldtime);
        pDataProvider->mOldtime = pDataProvider->mNewtime;

        if (pDataProvider->mCaptureDropSize > 0)
        {
            Read_Size = (pDataProvider->mCaptureDropSize > kReadBufferSize) ? kReadBufferSize : pDataProvider->mCaptureDropSize;
            int retval = pcm_read(pDataProvider->mPcm, linear_buffer, Read_Size);

            if (retval != 0)
            {
                ALOGE("%s(), pcm_read() drop error, retval = %d", __FUNCTION__, retval);
            }
            ALOGD("%s(), mCaptureDropSize = %d, Read_Size=%d", __FUNCTION__, pDataProvider->mCaptureDropSize, Read_Size);
            pDataProvider->mCaptureDropSize -= Read_Size;
            pDataProvider->mEnableLock.unlock();
            continue;
        }
        else
        {
            int retval = pcm_read(pDataProvider->mPcm, linear_buffer, kReadBufferSize);
            if (retval != 0)
            {
                ALOGE("%s(), pcm_read() error, retval = %d", __FUNCTION__, retval);
            }
        }
        clock_gettime(CLOCK_REALTIME, &pDataProvider->mNewtime);
        pDataProvider->timerec[1] = calc_time_diff(pDataProvider->mNewtime, pDataProvider->mOldtime);
        pDataProvider->mOldtime = pDataProvider->mNewtime;

        //struct timespec tempTimeStamp;
        pDataProvider->GetCaptureTimeStamp(&pDataProvider->mStreamAttributeSource.Time_Info, kReadBufferSize);

#ifdef RECORD_INPUT_24BITS // 24bit record
        uint32_t *ptr32bit_r = (uint32_t *)linear_buffer;
        int16_t *ptr16bit_w = (int16_t *)linear_buffer;
        int i;
        ALOGV("24bit record, kReadBufferSize=%d, init ptr32bit_r=0x%x, ptr16bit_w =0x%x", kReadBufferSize, ptr32bit_r, ptr16bit_w);
        for (i = 0; i < kReadBufferSize / 4; i++)
        {
            *(ptr16bit_w + i) = (int16_t)(*(ptr32bit_r + i) >> 8);
        }
        kReadBufferSize_new = kReadBufferSize >> 1;
#else
        kReadBufferSize_new = kReadBufferSize;
#endif

#ifdef MTK_VOW_SUPPORT
        //copy data to DC Cal
        pDataProvider->copyCaptureDataToDCCalBuffer(linear_buffer, kReadBufferSize_new);
#endif

        // use ringbuf format to save buffer info
        pDataProvider->mPcmReadBuf.pBufBase = linear_buffer;
        pDataProvider->mPcmReadBuf.bufLen   = kReadBufferSize_new + 1; // +1: avoid pRead == pWrite
        pDataProvider->mPcmReadBuf.pRead    = linear_buffer;
        pDataProvider->mPcmReadBuf.pWrite   = linear_buffer + kReadBufferSize_new;
        pDataProvider->mEnableLock.unlock();

        pDataProvider->provideCaptureDataToAllClients(open_index);

        clock_gettime(CLOCK_REALTIME, &pDataProvider->mNewtime);
        pDataProvider->timerec[2] = calc_time_diff(pDataProvider->mNewtime, pDataProvider->mOldtime);
        pDataProvider->mOldtime = pDataProvider->mNewtime;
        ALOGD("%s, latency_in_us,%1.6lf,%1.6lf,%1.6lf", __FUNCTION__, pDataProvider->timerec[0], pDataProvider->timerec[1], pDataProvider->timerec[2]);
    }

    ALOGD("-%s(), pid: %d, tid: %d", __FUNCTION__, getpid(), gettid());
    pthread_exit(NULL);
    return NULL;
}
Exemplo n.º 20
0
static void capture(char *orig_name)
{
	int tostdout=0;		/* boolean which describes output stream */
	int filecount=0;	/* number of files written */
	char *name = orig_name;	/* current filename */
	char namebuf[PATH_MAX+1];
	off64_t count, rest;		/* number of bytes to capture */

	/* get number of bytes to capture */
	count = calc_count();
	if (count == 0)
		count = LLONG_MAX;
	/* WAVE-file should be even (I'm not sure), but wasting one byte
	   isn't a problem (this can only be in 8 bit mono) */
	if (count < LLONG_MAX)
		count += count % 2;
	else
		count -= count % 2;

    printf("arecord: Recording audio to: %s\n", name);
	/* setup sound hardware */
	set_params();

	/* write to stdout? */
	if (!name || !strcmp(name, "-")) {
		fd = fileno(stdout);
		name = "stdout";
		tostdout=1;
		if (count > fmt_rec_table[file_type].max_filesize)
			count = fmt_rec_table[file_type].max_filesize;
	}

	do {
		/* open a file to write */
		if(!tostdout) {
			/* upon the second file we start the numbering scheme */
			if (filecount) {
				filecount = new_capture_file(orig_name, namebuf,
							     sizeof(namebuf),
							     filecount);
				name = namebuf;
			}

			/* open a new file */
			remove(name);
			if ((fd = open64(name, O_WRONLY | O_CREAT, 0644)) == -1) {
				perror(name);
				exit(EXIT_FAILURE);
			}
			filecount++;
		}

		rest = count;
		if (rest > fmt_rec_table[file_type].max_filesize)
			rest = fmt_rec_table[file_type].max_filesize;

		/* setup sample header */
		if (fmt_rec_table[file_type].start)
			fmt_rec_table[file_type].start(fd, rest);

		/* capture */
		fdcount = 0;
		while (rest > 0 && capture_stop == 0) {
			size_t c = (rest <= (off64_t)chunk_bytes) ?
				(size_t)rest : chunk_bytes;
			size_t f = c * 8 / bits_per_frame;
			if (pcm_read(audiobuf, f) != f)
				break;
			if (write(fd, audiobuf, c) != c) {
				perror(name);
				exit(EXIT_FAILURE);
			}
			count -= c;
			rest -= c;
			fdcount += c;
		}

		/* finish sample container */
		if (fmt_rec_table[file_type].end && !tostdout) {
			fmt_rec_table[file_type].end(fd);
			fd = -1;
		}

		/* repeat the loop when format is raw without timelimit or
		 * requested counts of data are recorded
		 */
	} while ( ((file_type == FORMAT_RAW && !timelimit) || count > 0) &&
        capture_stop == 0);
    printf("arecord: Stopping capturing audio.\n");
}
int proxy_read(const alsa_device_proxy * proxy, void *data, unsigned int count)
{
    return pcm_read(proxy->pcm, data, count);
}
Exemplo n.º 22
0
/*------------------------------------------------------------
 * Function Name  : SystemRestoreStart
 * Description    : 开始还原
 * Input          : None
 * Output         : None
 * Return         : None
 *------------------------------------------------------------*/
void SystemRestoreStart( void )
{
	FunctionalState RETURN = DISABLE;
	ASK_WARN_TypeDef ASK;
	uint8_t SaveMedium = 0xff;
	FRESULT result[3];
	
	if (SystemRestore.Account == MANAGER)
	{
		if (NO == CheckBackUpFileExist(SystemRestore.data[RESTORM_DATE]))
		{
			SetErr(&GeneralWarning,PCM_ERR,0xff,2,&SystemRestoreWarn[8]);
			return;
		}					
	}
	
	SetErr(&GeneralWarning,PCM_ERR,0xfe,1,&SystemRestoreWarn[1]);	
	SystemRestoreConfigAskWarn(&ASK);
	
	while (1)
	{		
		/* 上位机警告 */
		RETURN = ASK_WarningHandlerProcess(&ASK);
		
		if (RETURN == ENABLE)
		{
			if (ASK.NewFunc == ENABLE)
			{	
				if (SystemRestoreAsk() == ENABLE)
				{
					SetPage(PID_CALIBRATION);
					return;
				}
				
				SaveMedium = SelectRestoreMediumProcess();
				if (SaveMedium == BACKUP_USB)
				{
					if (Get_USB_Status() == ERROR)
					{
						SetErr(&GeneralWarning,PCM_ERR,0xff,1,&SystemRestoreWarn[10]);
						return;
					}
				}
				
				lcd_show_image(MAIN_FUNC_POS3_X,MAIN_FUNC_POS_Y,BUTTON_RESTOREING);
				
				if (SystemRestore.Account == TEST_CUSTOM)
				{						
					result[0] = pcm_recover(SaveMedium);
					result[1] = prm_recover(SaveMedium);
					result[2] = prv_recover(SaveMedium);
				}
				else				
				{									
					result[0] = PcmRecoverWithDate(SystemRestore.data[RESTORM_DATE]);
					result[1] = PrmRecoverWithDate(SystemRestore.data[RESTORM_DATE]);
					result[2] = PrvRecoverWithDate(SystemRestore.data[RESTORM_DATE]);
				}
				
				if ((result[0]==FR_OK) && (result[1]==FR_OK) && (result[2]==FR_OK))
				{
					SetErr(&GeneralWarning,PCM_ERR,0xff,1,&SystemRestoreWarn[2]);
				}
				else
				{
					SetErr(&GeneralWarning,PCM_ERR,0xff,1,&SystemRestoreWarn[11]);
					return;
				}
				
				pcm_save();
				prm_save();
				prv_save();
				
				pcm_read();
				prm_read();
				prv_read();			
			}
			else
			{
				SetErr(&GeneralWarning,PCM_ERR,0xff,1,&SystemRestoreWarn[3]);
			}
			
			return;
		}	
	}
}
Exemplo n.º 23
0
int libao_play (AUDIOCTX * actx)
{
	ao_device *device;
	ao_PRIVATE *priv = (ao_PRIVATE *) actx->driverprivate;
	bool quit = false;

	assert (priv != NULL);

	device = (ao_device *) priv->device;

	/* Driver loop */
	for (;;) {
		unsigned char buf[8192];
		ssize_t r;

		/* Fetch state lock */
		pthread_mutex_lock (&priv->lock);

		switch (priv->state) {
		case AO_END:
			quit = true;
			break;

		case AO_PAUSED:
			/* Wait for unpause signal */
			pthread_cond_wait (&priv->pause, &priv->lock);
			break;

		case AO_PLAYING:
		case AO_IDLE:
		default:
			break;
		}

		pthread_mutex_unlock (&priv->lock);

		if (quit)
			break;

		/* Read some data ... */
		r = pcm_read (actx->pcmprivate, (char *) buf, sizeof (buf), 0,
			      2, 1, NULL);

		if (r == OV_HOLE) {	/* vorbis got garbage */
			DSFYDEBUG ("pcm_read() == OV_HOLE\n");
			continue;
		}

		if (r <= 0) {
			DSFYDEBUG ("pcm_read() == %zd\n", r);
			if (r == 0)	/* EOF */
				break;
			exit (-1);
		}

		/* ... and play it */
		if (ao_play (device, (char *) buf, (int) r) == 0) {
			DSFYDEBUG ("ao_play() failed\n");
			exit (-1);
		}
	}

	if (ao_close (device) == 0) {
		DSFYDEBUG ("ao_close() failed\n");
		exit (-1);
	}

        pthread_mutex_destroy (&priv->lock);
        pthread_cond_destroy (&priv->pause);

        DSFYfree(actx->driverprivate);
	/* This will kill the thread */
	DSFYDEBUG ("libao thread exiting\n");
	return 0;
}
Exemplo n.º 24
0
void *AudioALSACaptureDataProviderEchoRefExt::readThread(void *arg)
{
    status_t retval = NO_ERROR;
    AudioALSACaptureDataProviderEchoRefExt *pDataProvider = static_cast<AudioALSACaptureDataProviderEchoRefExt *>(arg);

    uint32_t open_index = pDataProvider->mOpenIndex;

    char nameset[32];
    sprintf(nameset, "%s%d", __FUNCTION__, pDataProvider->mCaptureDataProviderType);
    prctl(PR_SET_NAME, (unsigned long)nameset, 0, 0, 0);

#ifdef MTK_AUDIO_ADJUST_PRIORITY
    // force to set priority
    struct sched_param sched_p;
    sched_getparam(0, &sched_p);
    sched_p.sched_priority = RTPM_PRIO_AUDIO_RECORD + 5;
    if (0 != sched_setscheduler(0, SCHED_RR, &sched_p))
    {
        ALOGE("[%s] failed, errno: %d", __FUNCTION__, errno);
    }
    else
    {
        sched_p.sched_priority = RTPM_PRIO_AUDIO_RECORD + 5;
        sched_getparam(0, &sched_p);
        ALOGD("sched_setscheduler ok, priority: %d", sched_p.sched_priority);
    }
#endif
    ALOGD("+%s(), pid: %d, tid: %d, kReadBufferSize=%x", __FUNCTION__, getpid(), gettid(), kReadBufferSize);

    // read raw data from alsa driver
    char linear_buffer[kReadBufferSize];
    while (pDataProvider->mEnable == true)
    {
        if (open_index != pDataProvider->mOpenIndex)
        {
            ALOGD("%s(), open_index(%d) != mOpenIndex(%d), return", __FUNCTION__, open_index, pDataProvider->mOpenIndex);
            break;
        }

        retval = pDataProvider->mEnableLock.lock_timeout(300);
        ASSERT(retval == NO_ERROR);
        if (pDataProvider->mEnable == false)
        {
            pDataProvider->mEnableLock.unlock();
            break;
        }

        ASSERT(pDataProvider->mPcm != NULL);
        clock_gettime(CLOCK_REALTIME, &pDataProvider->mNewtime);
        pDataProvider->timerec[0] = calc_time_diff(pDataProvider->mNewtime, pDataProvider->mOldtime);
        pDataProvider->mOldtime = pDataProvider->mNewtime;

        int retval = pcm_read(pDataProvider->mPcm, linear_buffer, kReadBufferSize);
        if (retval != 0)
        {
            ALOGE("%s(), pcm_read() error, retval = %d", __FUNCTION__, retval);
        }

        clock_gettime(CLOCK_REALTIME, &pDataProvider->mNewtime);
        pDataProvider->timerec[1] = calc_time_diff(pDataProvider->mNewtime, pDataProvider->mOldtime);
        pDataProvider->mOldtime = pDataProvider->mNewtime;

        pDataProvider->GetCaptureTimeStamp(&pDataProvider->mStreamAttributeSource.Time_Info, kReadBufferSize);

        // use ringbuf format to save buffer info
        pDataProvider->mPcmReadBuf.pBufBase = linear_buffer;
        pDataProvider->mPcmReadBuf.bufLen   = kReadBufferSize + 1; // +1: avoid pRead == pWrite
        pDataProvider->mPcmReadBuf.pRead    = linear_buffer;
        pDataProvider->mPcmReadBuf.pWrite   = linear_buffer + kReadBufferSize;
        pDataProvider->mEnableLock.unlock();

        //Provide EchoRef data
#if 0   //for check the echoref data got
        pDataProvider->provideCaptureDataToAllClients(open_index);
#else
        pDataProvider->provideEchoRefCaptureDataToAllClients(open_index);
#endif
        clock_gettime(CLOCK_REALTIME, &pDataProvider->mNewtime);
        pDataProvider->timerec[2] = calc_time_diff(pDataProvider->mNewtime, pDataProvider->mOldtime);
        pDataProvider->mOldtime = pDataProvider->mNewtime;
        ALOGD("%s, latency_in_us,%1.6lf,%1.6lf,%1.6lf", __FUNCTION__, pDataProvider->timerec[0], pDataProvider->timerec[1], pDataProvider->timerec[2]);
    }

    ALOGD("-%s(), pid: %d, tid: %d", __FUNCTION__, getpid(), gettid());
    pthread_exit(NULL);
    return NULL;
}
Exemplo n.º 25
0
//打印系统参数
void PrintSystemParameter( void )
{
	int32_t temp_u = 0;
	float temp_f = 0.0f;
	uint8_t i,segs;
	
	pcm_read();												//从flash读取上位机参数
	prm_read();												//从flash区读取系统参数
	prv_read();												//从flash读取特权参数
	
	temp_u = ctrl_max_get();
	printf("最大控制量 = %d\r\n",temp_u);
	
	delay_ms(10);
	
	temp_u = ctrl_max_cnt_get();
	printf("最大控制量保护次数 = %d\r\n",temp_u);
	
	delay_ms(10);
	
	temp_u = ctrl_max_one_get();
	printf("单步最大控制量 = %d\r\n",temp_u);	
	
	delay_ms(10);
	
	temp_u = ctrl_min_one_get();
	printf("单步最小控制量 = %d\r\n",temp_u);

	delay_ms(10);
	
	temp_u = ctrl_open_get();
	printf("开环控制量 = %d\r\n",temp_u);
	
	delay_ms(10);
	
	temp_u = spcl_unload_delay_get(SMPL_KY_NUM);
	printf("卸载延时 = %d\r\n",temp_u);
	
	delay_ms(10);
	
	temp_u = spcl_valve_init_get(SMPL_KY_NUM);
	printf("初始开度 = %d\r\n",temp_u);
	
	delay_ms(10);
	
	temp_u = spcl_valve_back_get(SMPL_KY_NUM);
	printf("回退量 = %d\r\n",temp_u);
	
	delay_ms(10);
	
	temp_u = spcl_valve_middle_get(SMPL_KY_NUM);
	printf("中位开度 = %d\r\n",temp_u);
	
	delay_ms(10);
	
	temp_u = spcl_quick_up_get(SMPL_KY_NUM);
	printf("快升开度 = %d\r\n",temp_u);
	
	delay_ms(10);
	
	temp_u = spcl_quick_down_get(SMPL_KY_NUM);
	printf("快降开度 = %d\r\n",temp_u);
	
	delay_ms(10);
	
	temp_u = spcl_slow_up_get(SMPL_KY_NUM);
	printf("慢升开度 = %d\r\n",temp_u);
	
	delay_ms(10);
	
	temp_u = spcl_slow_down_get(SMPL_KY_NUM);
	printf("慢降开度 = %d\r\n",temp_u);
	
	delay_ms(10);
	
	temp_f = smpl_ctrl_entry_get(SMPL_KY_NUM);
	printf("控制入口力 = %f\r\n",temp_f);
	
	delay_ms(10);
	
	temp_f = smpl_ctrl_full_p_get(SMPL_KY_NUM);
	printf("正向最大力 = %f\r\n",temp_f);
	
	delay_ms(10);
	
	temp_f = smpl_ctrl_full_n_get(SMPL_KY_NUM);
	printf("负向最大力 = %f\r\n",temp_f);
	
	delay_ms(10);
	
	temp_f = smpl_cof_ahead_get(SMPL_KY_NUM);
	printf("提前保持系数 = %f\r\n",temp_f);
	
	delay_ms(10);
	
	temp_f = smpl_cof_spd_get(SMPL_KY_NUM);
	printf("速度保持系数 = %f\r\n",temp_f);
	
	delay_ms(10);
	
	temp_f = smpl_cof_break_get(SMPL_KY_NUM);
	printf("制动保持系数 = %f\r\n",temp_f);
	
	delay_ms(10);
	
	temp_f = smpl_ctrl_crash_get(SMPL_KY_NUM);
	printf("预碰撞保护 = %f\r\n",temp_f);
	
	delay_ms(10);
	
	temp_f = smpl_ctrl_overspeed_get(SMPL_KY_NUM);
	printf("过速保护 = %f\r\n",temp_f);
	
	delay_ms(10);
	
	temp_u = smpl_pid_segs_get(SMPL_KY_NUM);
	printf("PID分段数 = %d\r\n",temp_u);
	segs = temp_u;
	
	for (i=0; i<segs; ++i)
	{
		temp_f = smpl_pid_node_get(SMPL_KY_NUM,i);
		printf("截止力值 = %f\r\n",temp_f);
		
		delay_ms(10);
		
		temp_u = smpl_pid_kp_get(SMPL_KY_NUM,i);
		printf("KP = %d\r\n",temp_u);
		
		delay_ms(10);
		
		temp_u = smpl_pid_ki_get(SMPL_KY_NUM,i);
		printf("KI = %d\r\n",temp_u);
		
		delay_ms(10);
		
		temp_u = smpl_pid_kd_get(SMPL_KY_NUM,i);
		printf("KD = %d\r\n",temp_u);
		
		delay_ms(10);
	}
	
	temp_u = smpl_tab_num_get(SMPL_KY_NUM);
	printf("标定表分段数 = %d\r\n",temp_u);
	segs = temp_u;
	
	for (i=0; i<segs; ++i)
	{
		temp_f = smpl_tab_value_get(SMPL_KY_NUM,i);
		printf("值 = %f\r\n",temp_f);
		
		delay_ms(10);
		
		temp_u = smpl_tab_code_get(SMPL_KY_NUM,i);
		printf("码 = %d\r\n",temp_u);
		
		delay_ms(10);
	}
}
Exemplo n.º 26
0
bool
audio_capture_buffer(audio_t *c, unsigned char *buffer)
{
    return pcm_read(c->pcm, buffer, c->buffer_size) == 0;
}
Exemplo n.º 27
0
void *SpeechANCController::readThread_ANCLog_ADC2(void *arg)
{
    prctl(PR_SET_NAME, (unsigned long)__FUNCTION__, 0, 0, 0);
    SpeechANCController *pSpeechANCController = (SpeechANCController *)arg;

    // force to set priority
    struct sched_param sched_p;
    sched_getparam(0, &sched_p);
    sched_p.sched_priority = RTPM_PRIO_AUDIO_RECORD + 1;
    if (0 != sched_setscheduler(0, SCHED_RR, &sched_p))
    {
        ALOGE("[%s] failed, errno: %d", __FUNCTION__, errno);
    }
    else
    {
        sched_p.sched_priority = RTPM_PRIO_AUDIO_CCCI_THREAD;
        sched_getparam(0, &sched_p);
        ALOGD("sched_setscheduler ok, priority: %d", sched_p.sched_priority);
    }
    ALOGD("+%s(), pid: %d, tid: %d", __FUNCTION__, getpid(), gettid());

    ssize_t buffer_size, write_bytes = 0;
    pSpeechANCController->mIndexPcmIn_ADC2 = pSpeechANCController->ConfigPCM(keypcmADC2AWB, &buffer_size);

    // config attribute
    memset(&pSpeechANCController->mConfig_ADC2, 0, sizeof(pSpeechANCController->mConfig_ADC2));
    pSpeechANCController->mConfig_ADC2.channels = 2;
    //pSpeechANCController->mConfig_ADC2.rate = 192000;
    pSpeechANCController->mConfig_ADC2.rate = 48000;//actural samplerate 26000

    // Buffer size: 2048(period_size) * 2(ch) * 2(byte) * 8(period_count) = 64 kb
    pSpeechANCController->mConfig_ADC2.period_count = 4;
    pSpeechANCController->mConfig_ADC2.format = PCM_FORMAT_S16_LE;

    pSpeechANCController->mConfig_ADC2.start_threshold = 0;
    pSpeechANCController->mConfig_ADC2.stop_threshold = 0;
    pSpeechANCController->mConfig_ADC2.silence_threshold = 0;
    pSpeechANCController->mConfig_ADC2.period_size = (buffer_size / (pSpeechANCController->mConfig_ADC2.channels * pSpeechANCController->mConfig_ADC2.period_count)) / ((pSpeechANCController->mConfig_ADC2.format == PCM_FORMAT_S16_LE) ? 2 : 4);

    pSpeechANCController->StartPCMIn(2, pSpeechANCController->mIndexPcmIn_ADC2, pSpeechANCController->mConfig_ADC2);

    // read raw data from stream manager
    char *buffer = new char[kReadBufferSize];
    memset(buffer, 0, sizeof(char)*kReadBufferSize);

    while (pSpeechANCController->mEnable_ANCLog_ADC2 == true)
    {
        if (pSpeechANCController->mEnable_ANCLog_ADC2 == false)
        {
            break;
        }
        //pcm read
        //    bytes_read = StreamInANCLog1->read(buffer, bytes);
        ASSERT(pSpeechANCController->mPcmIn_ADC2 != NULL);
        int retval = pcm_read(pSpeechANCController->mPcmIn_ADC2, buffer, kReadBufferSize);
        if (mDumpFile_ADC2 != NULL)
        {
            // ALOGD("%s(),fwrite file=0x%x,  kReadBufferSize=%d", __FUNCTION__, mDumpFile_ADC2, kReadBufferSize);
            // write data to sd card
            write_bytes += fwrite((void *)buffer, sizeof(char), kReadBufferSize, mDumpFile_ADC2);
        }
        else
        {
            ALOGE("%s(), mDumpFile_ADC2 == NULL!!!!!!!!!!!!!!!!!!!!!!!!", __FUNCTION__);
        }

        if (retval != 0)
        {
            ALOGE("%s(), pcm_read() error, retval = %d", __FUNCTION__, retval);
        }

    }

    // close file
    if (mDumpFile_ADC2 != NULL)
    {
        fflush(mDumpFile_ADC2);
        fclose(mDumpFile_ADC2);
        mDumpFile_ADC2 = NULL;
    }

    pcm_stop(pSpeechANCController->mPcmIn_ADC2);
    pcm_close(pSpeechANCController->mPcmIn_ADC2);
    pSpeechANCController->mPcmIn_ADC2 = NULL;

    ALOGD("-%s(), pid: %d, tid: %d", __FUNCTION__, getpid(), gettid());
    pthread_exit(NULL);
    return NULL;
}
static int stream_transfer(struct stream_transfer *stream_transfer)
{

	struct dev_stream *stream_sender;
	struct dev_stream *stream_receiver;
	short* Srcptr;
	short* Drcptr;
	int size_transfer = 0;
	int ret   =0;
	int exit_flag   =0;
    	int i=0;

	stream_sender = stream_transfer->stream_sender;
	stream_receiver = stream_transfer->stream_receiver;
	size_transfer = stream_sender->buf_size;


#ifdef  START_ZERO_BUFFER
	/* 消除开头杂音 */
	memset(stream_sender->buf, 0, stream_sender->buf_size);
	pcm_write(stream_receiver->dev, stream_sender->buf, stream_sender->buf_size);
#endif


	ret =pcm_wait(stream_sender->dev, 0);
	ret =pcm_wait(stream_receiver->dev, 0);

	pcm_stop(stream_receiver->dev);
	pcm_start(stream_receiver->dev);


	/* 消除开头pa音 */
	memset(stream_sender->buf, 0, stream_sender->buf_size);
	pcm_write(stream_receiver->dev, stream_sender->buf, stream_sender->buf_size);


	while( 1 ){

		if ( (!stream_transfer->voice_thread_run_flag)){
			break;	
		}
#if 0
		if (SNDRV_PCM_STATE_XRUN == get_pcm_state(stream_sender->dev) ){
			//ALOGD("read  SNDRV_PCM_STATE_XRUN ");
			if(ioctl(stream_sender->dev->fd, SNDRV_PCM_IOCTL_PREPARE)){
                		ALOGE("in read, fail to prepare SNDRV_PCM_STATE_XRUN ");
			}
			//usleep(3 * 1000);
			ret =pcm_wait(stream_sender->dev, 0);
			//ALOGD("pcm_read, pcm_wait ret=%d", ret);

			//ALOGD("read after prepare state:%d ",get_pcm_state(stream_sender->dev));
		}
#endif
		ret = pcm_read(stream_sender->dev, stream_sender->buf, size_transfer);
		if (ret != 0) {
			//exit_flag = 1;
			ALOGE("err: read codec err:%s, ret=%d", strerror(errno), ret);
			//break;
		}



		if ( (!stream_transfer->voice_thread_run_flag)){
			break;	
		}
#if 0
		if (SNDRV_PCM_STATE_XRUN == get_pcm_state(stream_receiver->dev) ){
			//ALOGD("write  SNDRV_PCM_STATE_XRUN ");
			pcm_stop(stream_receiver->dev);
			usleep(3 * 1000);
			//ALOGD("write after stop state:%d ",get_pcm_state(stream_receiver->dev));
			pcm_start(stream_receiver->dev);


			ret =pcm_wait(stream_receiver->dev, 0);
			//ALOGD("pcm_write, pcm_wait ret=%d", ret);

			//usleep(3 * 1000);
			//ALOGD("write after prepare state:%d ",get_pcm_state(stream_receiver->dev));
		}
#endif
		ret = pcm_write(stream_receiver->dev, stream_sender->buf, size_transfer);
		if (ret != 0) {
			//exit_flag = 1;
			ALOGE("err: write pcm err:%s, ret=%d", strerror(errno), ret);
		}

		if ( (!stream_transfer->voice_thread_run_flag)){
			break;	
		}



		if (stream_transfer->record_flag == 1){
			//是上行,还是下行.
			if (stream_transfer->voice_direction == UPSTREAM){
				Srcptr = (short*)(stream_sender->buf);
				Drcptr = (short*)(record_data.record_buf + (record_data.lenwriteup%record_data.record_lenth));
				if(record_data.lenwriteup >= record_data.lenwritedown)
				{
					memcpy(Drcptr,Srcptr,size_transfer);
				}
				else
				{
					int i;
					for(i=0;i<size_transfer/2;i++,Drcptr++)
					{
						*Drcptr = (*Drcptr + *Srcptr++)/2;
					}
					record_data.lenwrite += size_transfer;

				}
				record_data.lenwriteup += size_transfer;
				//ALOGD("stream is upload");
			} else {
				Srcptr = (short*)(stream_sender->buf);
				Drcptr = (short*)(record_data.record_buf + (record_data.lenwritedown%record_data.record_lenth));
				if(record_data.lenwritedown >= record_data.lenwriteup)
				{
					memcpy(Drcptr,Srcptr,size_transfer);
				}
				else
				{

					for(i=0;i<size_transfer/2;i++,Drcptr++)
					{
						*Drcptr = ((int)*Drcptr + (int)(*Srcptr++))/2;
					}
					record_data.lenwrite += size_transfer;
				}
				record_data.lenwritedown += size_transfer;
			}	
			sem_post(&g_sem_record);
		}

		if ( (!stream_transfer->voice_thread_run_flag)){
			break;	
		}
	}

	return 0;
}
void *AudioALSACaptureDataProviderTDM::readThread(void *arg)
{
    prctl(PR_SET_NAME, (unsigned long)__FUNCTION__, 0, 0, 0);

#ifdef MTK_AUDIO_ADJUST_PRIORITY
    // force to set priority
    struct sched_param sched_p;
    sched_getparam(0, &sched_p);
    sched_p.sched_priority = RTPM_PRIO_AUDIO_RECORD + 1;
    if (0 != sched_setscheduler(0, SCHED_RR, &sched_p))
    {
        ALOGE("[%s] failed, errno: %d", __FUNCTION__, errno);
    }
    else
    {
        sched_p.sched_priority = RTPM_PRIO_AUDIO_RECORD + 1;
        sched_getparam(0, &sched_p);
        ALOGD("sched_setscheduler ok, priority: %d", sched_p.sched_priority);
    }
#endif
    ALOGD("+%s(), pid: %d, tid: %d", __FUNCTION__, getpid(), gettid());



    status_t retval = NO_ERROR;
    AudioALSACaptureDataProviderTDM *pDataProvider = static_cast<AudioALSACaptureDataProviderTDM *>(arg);

    uint32_t open_index = pDataProvider->mOpenIndex;

    // read raw data from alsa driver
    char linear_buffer[kReadBufferSize];
    while (pDataProvider->mEnable == true)
    {
        if (open_index != pDataProvider->mOpenIndex)
        {
            ALOGD("%s(), open_index(%d) != mOpenIndex(%d), return", __FUNCTION__, open_index, pDataProvider->mOpenIndex);
            break;
        }

        retval = pDataProvider->mEnableLock.lock_timeout(300);
        ASSERT(retval == NO_ERROR);
        if (pDataProvider->mEnable == false)
        {
            pDataProvider->mEnableLock.unlock();
            break;
        }

        ASSERT(pDataProvider->mPcm != NULL);
        int retval = pcm_read(pDataProvider->mPcm, linear_buffer, kReadBufferSize);
        if (retval != 0)
        {
            ALOGE("%s(), pcm_read() error, retval = %d", __FUNCTION__, retval);
        }

        // use ringbuf format to save buffer info
        pDataProvider->mPcmReadBuf.pBufBase = linear_buffer;
        pDataProvider->mPcmReadBuf.bufLen   = kReadBufferSize + 1; // +1: avoid pRead == pWrite
        pDataProvider->mPcmReadBuf.pRead    = linear_buffer;
        pDataProvider->mPcmReadBuf.pWrite   = linear_buffer + kReadBufferSize;
        pDataProvider->mEnableLock.unlock();

        pDataProvider->provideCaptureDataToAllClients(open_index);
    }

    ALOGD("-%s(), pid: %d, tid: %d", __FUNCTION__, getpid(), gettid());
    pthread_exit(NULL);
    return NULL;
}
Exemplo n.º 30
0
int pulseaudio_play (AUDIOCTX * actx)
{
	int error;
	pa_simple *s;
	pa_PRIVATE *priv = (pa_PRIVATE *) actx->driverprivate;
	bool quit = false;

	assert (priv != NULL);

	s = (pa_simple *) priv->pa_simple;

	/* Driver loop */
	for (;;) {

		uint8_t buf[1024];
		ssize_t r;

		/* Fetch state lock */
		pthread_mutex_lock (&priv->lock);

		switch (priv->state) {
		case PU_END:
			quit = true;
			break;

		case PU_PAUSED:
			/* Wait for unpause signal */
			pthread_cond_wait (&priv->pause, &priv->lock);
			break;

		case PU_PLAYING:
		case PU_IDLE:
		default:
			break;
		}

		pthread_mutex_unlock (&priv->lock);

		if (quit)
			break;

		/* Read some data ... */
		r = pcm_read (actx->pcmprivate, (char *) buf, sizeof (buf), 0,
			      2, 1, NULL);

		if (r == OV_HOLE) {	/* vorbis got garbage */
			DSFYDEBUG ("pcm_read() == %s\n", "OV_HOLE");
			continue;
		}

		if (r <= 0) {
			if (r == 0)	/* EOF */
				break;
			DSFYDEBUG ("pcm_read() failed == %zd\n", r);
			exit (-1);
		}

		/* ... and play it */
		if (pa_simple_write (s, buf, (size_t) r, &error) < 0) {
			DSFYDEBUG ("pa_simple_write() failed: %s\n",
				   pa_strerror (error))
				exit (-1);
		}
	}

	/* Make sure that every single sample was played */
	if (pa_simple_drain (s, &error) < 0) {
		DSFYDEBUG ("pa_simple_drain() failed: %s\n",
			   pa_strerror (error))
			exit (-1);
	}

	if (s)
		pa_simple_free (s);

        pthread_cond_signal (&priv->end);

	/* This will kill the thread */
	return 0;
}