void
ToneProducer::LateNoticeReceived(const media_source& what, bigtime_t how_much, bigtime_t performance_time)
{
FPRINTF(stderr, "ToneProducer::LateNoticeReceived\n");
// If we're late, we need to catch up. Respond in a manner appropriate to our
// current run mode.
if (what == mOutput.source)
{
if (RunMode() == B_RECORDING)
{
// A hardware capture node can't adjust; it simply emits buffers at
// appropriate points. We (partially) simulate this by not adjusting
// our behavior upon receiving late notices -- after all, the hardware
// can't choose to capture "sooner"....
}
else if (RunMode() == B_INCREASE_LATENCY)
{
// We're late, and our run mode dictates that we try to produce buffers
// earlier in order to catch up. This argues that the downstream nodes are
// not properly reporting their latency, but there's not much we can do about
// that at the moment, so we try to start producing buffers earlier to
// compensate.
mInternalLatency += how_much;
SetEventLatency(mLatency + mInternalLatency);
FPRINTF(stderr, "\tincreasing latency to %Ld\n", mLatency + mInternalLatency);
}
else
{
// The other run modes dictate various strategies for sacrificing data quality
// in the interests of timely data delivery. The way *we* do this is to skip
// a buffer, which catches us up in time by one buffer duration.
size_t nSamples = mOutput.format.u.raw_audio.buffer_size / sizeof(float);
mFramesSent += nSamples;
FPRINTF(stderr, "\tskipping a buffer to try to catch up\n");
}
}
}
void StepMotionBlurFilter::BufferReceived(BBuffer* pBuffer)
{
ASSERT(pBuffer);
// check buffer destination
if(pBuffer->Header()->destination != m_input.destination.id)
{
PRINT(("StepMotionBlurFilter::BufferReceived():\n"
"\tBad destination.\n"));
pBuffer->Recycle();
return;
}
if((RunMode() != B_OFFLINE) && (pBuffer->Header()->time_source != TimeSource()->ID()))
{
PRINT(("* timesource mismatch\n"));
}
// check output
if(m_output.destination == media_destination::null || !m_outputEnabled)
{
pBuffer->Recycle();
return;
}
// process and retransmit buffer
filterBuffer(pBuffer);
status_t err = SendBuffer(pBuffer, m_output.source, m_output.destination);
if (err < B_OK)
{
PRINT(("StepMotionBlurFilter::BufferReceived():\n"
"\tSendBuffer() failed: %s\n", strerror(err)));
pBuffer->Recycle();
}
if (RunMode() == B_OFFLINE)
SetOfflineTime(pBuffer->Header()->start_time);
// sent!
}
void
AudioProducer::LateNoticeReceived(const media_source& what, bigtime_t howMuch,
bigtime_t performanceTime)
{
TRACE("%p->AudioProducer::LateNoticeReceived(%lld, %lld)\n", this, howMuch,
performanceTime);
// If we're late, we need to catch up. Respond in a manner appropriate
// to our current run mode.
if (what == fOutput.source) {
// Ignore the notices for buffers we already send out (or scheduled
// their event) before we processed the last notice
if (fLastLateNotice > performanceTime)
return;
fLastLateNotice = fNextScheduledBuffer;
if (RunMode() == B_RECORDING) {
// ...
} else if (RunMode() == B_INCREASE_LATENCY) {
fInternalLatency += howMuch;
// At some point a too large latency can get annoying
if (fInternalLatency > kMaxLatency)
fInternalLatency = kMaxLatency;
SetEventLatency(fLatency + fInternalLatency);
} else {
// Skip one buffer ahead in the audio data.
size_t sampleSize
= fOutput.format.u.raw_audio.format
& media_raw_audio_format::B_AUDIO_SIZE_MASK;
size_t samplesPerBuffer
= fOutput.format.u.raw_audio.buffer_size / sampleSize;
size_t framesPerBuffer
= samplesPerBuffer / fOutput.format.u.raw_audio.channel_count;
fFramesSent += framesPerBuffer;
}
}
}
BBuffer*
GameProducer::FillNextBuffer(bigtime_t event_time)
{
// get a buffer from our buffer group
BBuffer* buf = fBufferGroup->RequestBuffer(fBufferSize, BufferDuration());
// if we fail to get a buffer (for example, if the request times out), we
// skip this buffer and go on to the next, to avoid locking up the control
// thread.
if (!buf)
return NULL;
// we need to discribe the buffer
int64 frames = int64(fBufferSize / fFrameSize);
memset(buf->Data(), 0, fBufferSize);
// now fill the buffer with data, continuing where the last buffer left off
fObject->Play(buf->Data(), frames);
// fill in the buffer header
media_header* hdr = buf->Header();
hdr->type = B_MEDIA_RAW_AUDIO;
hdr->size_used = fBufferSize;
hdr->time_source = TimeSource()->ID();
bigtime_t stamp;
if (RunMode() == B_RECORDING) {
// In B_RECORDING mode, we stamp with the capture time. We're not
// really a hardware capture node, but we simulate it by using the
// (precalculated) time at which this buffer "should" have been created.
stamp = event_time;
} else {
// okay, we're in one of the "live" performance run modes. in these
// modes, we stamp the buffer with the time at which the buffer should
// be rendered to the output, not with the capture time. fStartTime is
// the cached value of the first buffer's performance time; we calculate
// this buffer's performance time as an offset from that time, based on
// the amount of media we've created so far.
// Recalculating every buffer like this avoids accumulation of error.
stamp = fStartTime + bigtime_t(double(fFramesSent)
/ double(fOutput.format.u.raw_audio.frame_rate) * 1000000.0);
}
hdr->start_time = stamp;
return buf;
}
void
VideoRecorderNode::BufferReceived(BBuffer* inBuffer)
{
INFO("VideoRecorderNode::BufferReceived():\n");
if( RunMode() == B_OFFLINE ) {
// int32 destinationID = inBuffer->Header()->destination;
SetOfflineTime( inBuffer->Header()->start_time );
}
status_t err;
media_timed_event event(inBuffer->Header()->start_time,
BTimedEventQueue::B_HANDLE_BUFFER,
inBuffer, BTimedEventQueue::B_RECYCLE_BUFFER );
err = EventQueue()->AddEvent( event );
if( err ) inBuffer->Recycle();
}
void MediaReader::LateNoticeReceived(
const media_source & what,
bigtime_t how_much,
bigtime_t performance_time)
{
CALLED();
if (what == output.source) {
switch (RunMode()) {
case B_OFFLINE:
// nothing to do
break;
case B_RECORDING:
// nothing to do
break;
case B_INCREASE_LATENCY:
fInternalLatency += how_much;
SetEventLatency(fDownstreamLatency + fInternalLatency);
break;
case B_DECREASE_PRECISION:
// XXX : shorten our buffer period
// We could opt to just not wait but we should
// probably gradually shorten the period so we
// don't starve others. Also, we need to make
// sure we are catching up! We may have some sort
// of time goal for how long it takes us to
// catch up, as well.
break;
case B_DROP_DATA:
// Okay you asked for it, we'll skip ahead in the file!
// We'll drop 1 buffer's worth
if (GetCurrentFile() == 0) {
PRINT("MediaReader::LateNoticeReceived called without"
"an GetCurrentFile() (!)\n");
} else {
GetCurrentFile()->Seek(output.format.u.multistream.max_chunk_size,SEEK_CUR);
}
break;
default:
// huh?? there aren't any more run modes.
PRINT("MediaReader::LateNoticeReceived with unexpected run mode.\n");
break;
}
}
}
void
SoundPlayNode::LateNoticeReceived(const media_source& what, bigtime_t howMuch,
bigtime_t performanceTime)
{
CALLED();
TRACE("SoundPlayNode::LateNoticeReceived, %" B_PRId64 " too late at %"
B_PRId64 "\n", howMuch, performanceTime);
// is this our output?
if (what != fOutput.source) {
TRACE("SoundPlayNode::LateNoticeReceived returning\n");
return;
}
if (RunMode() != B_DROP_DATA) {
// We're late, and our run mode dictates that we try to produce buffers
// earlier in order to catch up. This argues that the downstream nodes are
// not properly reporting their latency, but there's not much we can do about
// that at the moment, so we try to start producing buffers earlier to
// compensate.
fInternalLatency += howMuch;
if (fInternalLatency > 30000) // avoid getting a too high latency
fInternalLatency = 30000;
SetEventLatency(fLatency + fInternalLatency);
TRACE("SoundPlayNode::LateNoticeReceived: increasing latency to %"
B_PRId64 "\n", fLatency + fInternalLatency);
} else {
// The other run modes dictate various strategies for sacrificing data quality
// in the interests of timely data delivery. The way *we* do this is to skip
// a buffer, which catches us up in time by one buffer duration.
size_t nFrames = fOutput.format.u.raw_audio.buffer_size
/ ((fOutput.format.u.raw_audio.format & media_raw_audio_format::B_AUDIO_SIZE_MASK)
* fOutput.format.u.raw_audio.channel_count);
fFramesSent += nFrames;
TRACE("SoundPlayNode::LateNoticeReceived: skipping a buffer to try to catch up\n");
}
}
void OffsetFilter::filterBuffer(BBuffer* inBuffer)
{
if (!inBuffer)
return;
/* here is where we do all of the real work */
if (RunMode() != B_OFFLINE)
CALL("FilterBuffer now: %Ld\n", TimeSource()->Now());
else
CALL("FilterBuffer now: %Ld\n", OfflineTime());
media_header *inHeader = inBuffer->Header();
CALL("now: %Ld start_time: %Ld\n", TimeSource()->Now(), inHeader->start_time);
uint32 *inData = (uint32*) inBuffer->Data();
/* Sans BBitmap */
uint32 *po = inData;
uint32 *pi = (uint32*)malloc(inHeader->size_used);
uint32 *last = inData + inHeader->size_used/4;
uint32 i=0,C,L,deltax,deltay,lin,col;
memcpy(pi,inData,inHeader->size_used);
C=m_format.u.raw_video.display.line_width;
L=m_format.u.raw_video.display.line_count;
deltax=C*DELTA_X/1000;
deltay=L*DELTA_Y/1000;
while ( po < last)
*po++=pi[(((i/C)+deltay)%L)*C+((i++%C)+deltax)%C];
free(pi);
// Fin Sans Bitmap
}
BBuffer*
ClientNode::FillNextBuffer(bigtime_t eventTime, JackPort* port)
{
//printf("FillNextBuffer\n");
BBuffer* buffer = port->CurrentBuffer();
media_header* header = buffer->Header();
header->type = B_MEDIA_RAW_AUDIO;
header->size_used = fFormat.u.raw_audio.buffer_size;
header->time_source = TimeSource()->ID();
bigtime_t start;
if (RunMode() == B_RECORDING)
start = eventTime;
else
start = fTime + bigtime_t(double(fFramesSent)
/ double(fFormat.u.raw_audio.frame_rate) * 1000000.0);
header->start_time = start;
return buffer;
}
status_t
BMediaEventLooper::SetPriority(int32 priority)
{
CALLED();
// clamp to a valid value
if (priority < 5)
priority = 5;
if (priority > 120)
priority = 120;
fSetPriority = priority;
fCurrentPriority = (RunMode() == B_OFFLINE) ? min_c(B_NORMAL_PRIORITY, fSetPriority) : fSetPriority;
if(fControlThread > 0) {
set_thread_priority(fControlThread, fCurrentPriority);
/* fSchedulingLatency = estimate_max_scheduling_latency(fControlThread);
printf("BMediaEventLooper: SchedulingLatency is %Ld\n", fSchedulingLatency);*/
}
return B_OK;
}
static int ni_pcidio_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
{
struct comedi_cmd *cmd = &s->async->cmd;
/* XXX configure ports for input */
writel(0x0000, devpriv->mite->daq_io_addr + Port_Pin_Directions(0));
if (1) {
/* enable fifos A B C D */
writeb(0x0f, devpriv->mite->daq_io_addr + Data_Path);
/* set transfer width a 32 bits */
writeb(TransferWidth(0) | TransferLength(0),
devpriv->mite->daq_io_addr + Transfer_Size_Control);
} else {
writeb(0x03, devpriv->mite->daq_io_addr + Data_Path);
writeb(TransferWidth(3) | TransferLength(0),
devpriv->mite->daq_io_addr + Transfer_Size_Control);
}
/* protocol configuration */
if (cmd->scan_begin_src == TRIG_TIMER) {
/* page 4-5, "input with internal REQs" */
writeb(0, devpriv->mite->daq_io_addr + OpMode);
writeb(0x00, devpriv->mite->daq_io_addr + ClockReg);
writeb(1, devpriv->mite->daq_io_addr + Sequence);
writeb(0x04, devpriv->mite->daq_io_addr + ReqReg);
writeb(4, devpriv->mite->daq_io_addr + BlockMode);
writeb(3, devpriv->mite->daq_io_addr + LinePolarities);
writeb(0xc0, devpriv->mite->daq_io_addr + AckSer);
writel(ni_pcidio_ns_to_timer(&cmd->scan_begin_arg,
TRIG_ROUND_NEAREST),
devpriv->mite->daq_io_addr + StartDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqNotDelay);
writeb(1, devpriv->mite->daq_io_addr + AckDelay);
writeb(0x0b, devpriv->mite->daq_io_addr + AckNotDelay);
writeb(0x01, devpriv->mite->daq_io_addr + Data1Delay);
/* manual, page 4-5: ClockSpeed comment is incorrectly listed
* on DAQOptions */
writew(0, devpriv->mite->daq_io_addr + ClockSpeed);
writeb(0, devpriv->mite->daq_io_addr + DAQOptions);
} else {
/* TRIG_EXT */
/* page 4-5, "input with external REQs" */
writeb(0, devpriv->mite->daq_io_addr + OpMode);
writeb(0x00, devpriv->mite->daq_io_addr + ClockReg);
writeb(0, devpriv->mite->daq_io_addr + Sequence);
writeb(0x00, devpriv->mite->daq_io_addr + ReqReg);
writeb(4, devpriv->mite->daq_io_addr + BlockMode);
writeb(0, devpriv->mite->daq_io_addr + LinePolarities);
writeb(0x00, devpriv->mite->daq_io_addr + AckSer);
writel(1, devpriv->mite->daq_io_addr + StartDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqNotDelay);
writeb(1, devpriv->mite->daq_io_addr + AckDelay);
writeb(0x0C, devpriv->mite->daq_io_addr + AckNotDelay);
writeb(0x10, devpriv->mite->daq_io_addr + Data1Delay);
writew(0, devpriv->mite->daq_io_addr + ClockSpeed);
writeb(0x60, devpriv->mite->daq_io_addr + DAQOptions);
}
if (cmd->stop_src == TRIG_COUNT) {
writel(cmd->stop_arg,
devpriv->mite->daq_io_addr + Transfer_Count);
} else {
/* XXX */
}
#ifdef USE_DMA
writeb(ClearPrimaryTC | ClearSecondaryTC,
devpriv->mite->daq_io_addr + Group_1_First_Clear);
{
int retval = setup_mite_dma(dev, s);
if (retval)
return retval;
}
#else
writeb(0x00, devpriv->mite->daq_io_addr + DMA_Line_Control_Group1);
#endif
writeb(0x00, devpriv->mite->daq_io_addr + DMA_Line_Control_Group2);
/* clear and enable interrupts */
writeb(0xff, devpriv->mite->daq_io_addr + Group_1_First_Clear);
/* writeb(ClearExpired,
devpriv->mite->daq_io_addr+Group_1_Second_Clear); */
writeb(IntEn, devpriv->mite->daq_io_addr + Interrupt_Control);
writeb(0x03,
devpriv->mite->daq_io_addr + Master_DMA_And_Interrupt_Control);
if (cmd->stop_src == TRIG_NONE) {
devpriv->OpModeBits = DataLatching(0) | RunMode(7);
} else { /* TRIG_TIMER */
devpriv->OpModeBits = Numbered | RunMode(7);
}
if (cmd->start_src == TRIG_NOW) {
/* start */
writeb(devpriv->OpModeBits,
devpriv->mite->daq_io_addr + OpMode);
s->async->inttrig = NULL;
} else {
/* TRIG_INT */
s->async->inttrig = ni_pcidio_inttrig;
}
DPRINTK("ni_pcidio: command started\n");
return 0;
}
BBuffer*
AudioProducer::_FillNextBuffer(bigtime_t eventTime)
{
BBuffer* buffer = fBufferGroup->RequestBuffer(
fOutput.format.u.raw_audio.buffer_size, BufferDuration());
if (!buffer) {
ERROR("AudioProducer::_FillNextBuffer() - no buffer\n");
return NULL;
}
size_t sampleSize = fOutput.format.u.raw_audio.format
& media_raw_audio_format::B_AUDIO_SIZE_MASK;
size_t numSamples = fOutput.format.u.raw_audio.buffer_size / sampleSize;
// number of sample in the buffer
// fill in the buffer header
media_header* header = buffer->Header();
header->type = B_MEDIA_RAW_AUDIO;
header->time_source = TimeSource()->ID();
buffer->SetSizeUsed(fOutput.format.u.raw_audio.buffer_size);
bigtime_t performanceTime = bigtime_t(double(fFramesSent)
* 1000000.0 / double(fOutput.format.u.raw_audio.frame_rate));
// fill in data from audio supplier
int64 frameCount = numSamples / fOutput.format.u.raw_audio.channel_count;
bigtime_t startTime = performanceTime;
bigtime_t endTime = bigtime_t(double(fFramesSent + frameCount)
* 1000000.0 / fOutput.format.u.raw_audio.frame_rate);
if (!fSupplier || fSupplier->InitCheck() != B_OK
|| fSupplier->GetFrames(buffer->Data(), frameCount, startTime,
endTime) != B_OK) {
ERROR("AudioProducer::_FillNextBuffer() - supplier error -> silence\n");
memset(buffer->Data(), 0, buffer->SizeUsed());
}
// stamp buffer
if (RunMode() == B_RECORDING) {
header->start_time = eventTime;
} else {
header->start_time = fStartTime + performanceTime;
}
#if DEBUG_TO_FILE
BMediaTrack* track;
if (BMediaFile* file = init_media_file(fOutput.format, &track)) {
track->WriteFrames(buffer->Data(), frameCount);
}
#endif // DEBUG_TO_FILE
if (fPeakListener
&& fOutput.format.u.raw_audio.format
== media_raw_audio_format::B_AUDIO_FLOAT) {
// TODO: extend the peak notifier for other sample formats
int32 channels = fOutput.format.u.raw_audio.channel_count;
float max[channels];
float min[channels];
for (int32 i = 0; i < channels; i++) {
max[i] = -1.0;
min[i] = 1.0;
}
float* sample = (float*)buffer->Data();
for (uint32 i = 0; i < frameCount; i++) {
for (int32 k = 0; k < channels; k++) {
if (*sample < min[k])
min[k] = *sample;
if (*sample > max[k])
max[k] = *sample;
sample++;
}
}
BMessage message(MSG_PEAK_NOTIFICATION);
for (int32 i = 0; i < channels; i++) {
float maxAbs = max_c(fabs(min[i]), fabs(max[i]));
message.AddFloat("max", maxAbs);
}
bigtime_t realTime = TimeSource()->RealTimeFor(
fStartTime + performanceTime, 0);
MessageEvent* event = new (std::nothrow) MessageEvent(realTime,
fPeakListener, message);
if (event != NULL)
EventQueue::Default().AddEvent(event);
}
return buffer;
}
BBuffer*
ToneProducer::FillNextBuffer(bigtime_t event_time)
{
// get a buffer from our buffer group
BBuffer* buf = mBufferGroup->RequestBuffer(mOutput.format.u.raw_audio.buffer_size, BufferDuration());
// if we fail to get a buffer (for example, if the request times out), we skip this
// buffer and go on to the next, to avoid locking up the control thread
if (!buf)
{
return NULL;
}
// now fill it with data, continuing where the last buffer left off
// 20sep99: multichannel support
size_t numFrames =
mOutput.format.u.raw_audio.buffer_size /
(sizeof(float)*mOutput.format.u.raw_audio.channel_count);
bool stereo = (mOutput.format.u.raw_audio.channel_count == 2);
if(!stereo) {
ASSERT(mOutput.format.u.raw_audio.channel_count == 1);
}
// PRINT(("buffer: %ld, %ld frames, %s\n", mOutput.format.u.raw_audio.buffer_size, numFrames, stereo ? "stereo" : "mono"));
float* data = (float*) buf->Data();
switch (mWaveform)
{
case SINE_WAVE:
FillSineBuffer(data, numFrames, stereo);
break;
case TRIANGLE_WAVE:
FillTriangleBuffer(data, numFrames, stereo);
break;
case SAWTOOTH_WAVE:
FillSawtoothBuffer(data, numFrames, stereo);
break;
}
// fill in the buffer header
media_header* hdr = buf->Header();
hdr->type = B_MEDIA_RAW_AUDIO;
hdr->size_used = mOutput.format.u.raw_audio.buffer_size;
hdr->time_source = TimeSource()->ID();
bigtime_t stamp;
if (RunMode() == B_RECORDING)
{
// In B_RECORDING mode, we stamp with the capture time. We're not
// really a hardware capture node, but we simulate it by using the (precalculated)
// time at which this buffer "should" have been created.
stamp = event_time;
}
else
{
// okay, we're in one of the "live" performance run modes. in these modes, we
// stamp the buffer with the time at which the buffer should be rendered to the
// output, not with the capture time. mStartTime is the cached value of the
// first buffer's performance time; we calculate this buffer's performance time as
// an offset from that time, based on the amount of media we've created so far.
// Recalculating every buffer like this avoids accumulation of error.
stamp = mStartTime + bigtime_t(double(mFramesSent) / double(mOutput.format.u.raw_audio.frame_rate) * 1000000.0);
}
hdr->start_time = stamp;
return buf;
}
void FlipTransition::BufferReceived(BBuffer* pBuffer)
{
ASSERT(pBuffer);
// check buffer destination
if ((pBuffer->Header()->destination != first_input.destination.id) && (pBuffer->Header()->destination != second_input.destination.id))
{
PRINT(("FlipTransition::BufferReceived():\n"
"\tBad destination.\n"));
pBuffer->Recycle();
return;
}
if ((RunMode() != B_OFFLINE) && (pBuffer->Header()->time_source != TimeSource()->ID()))
{
PRINT(("* timesource mismatch\n"));
}
// check output
if (m_output.destination == media_destination::null || !m_outputEnabled)
{
pBuffer->Recycle();
return;
}
if (pBuffer->Header()->destination != first_input.destination.id)
{// buffer vient de la premiere entree
firstInputBufferHere = true;
firstBuffer = pBuffer;
PRINT(("First Buffer Received\n"));
}
else
{// buffer vient de la 2eme entree
secondInputBufferHere = true;
secondBuffer = pBuffer;
PRINT(("Second Buffer Received\n"));
}
if (firstInputBufferHere && secondInputBufferHere) // que ce passe-t-il si l'un des producteurs n'est plus valable ?
{
// process and retransmit buffer
MakeTransition(firstBuffer, secondBuffer);
status_t err = SendBuffer(transitionBuffer, m_output.source, m_output.destination);
if (err < B_OK)
{
PRINT(("FlipTransition::BufferReceived():\n"
"\tSendBuffer() failed: %s\n", strerror(err)));
transitionBuffer->Recycle();
}
firstBuffer->Recycle();
secondBuffer->Recycle();
firstInputBufferHere = false;
secondInputBufferHere = false;
if (RunMode() == B_OFFLINE)
{
SetOfflineTime(transitionBuffer->Header()->start_time);
// RequestAdditionalBuffer(first_input.source, OfflineTime());
// RequestAdditionalBuffer(second_input.source, OfflineTime());
}
// sent!
}
}
void FlipTransition::MakeTransition(BBuffer* inBuffer, BBuffer *inBuffer2)
{
status_t err;
if (!inBuffer || !inBuffer2)
return;
/* here is where we do all of the real work */
if (RunMode() != B_OFFLINE)
CALL("FilterBuffer now: %Ld\n", TimeSource()->Now());
else
CALL("FilterBuffer now: %Ld\n", OfflineTime());
media_header *firstHeader = inBuffer->Header();
media_header *secondHeader = inBuffer2->Header();
// CALL("now: %Ld start_time: %Ld\n", TimeSource()->Now(), inHeader->start_time);
transitionBuffer = buffers->RequestBuffer(4 * m_format.u.raw_video.display.line_width * m_format.u.raw_video.display.line_count, 10000);
if (transitionBuffer == NULL)
{
err = buffers->RequestError();
if (err == B_ERROR)
printf("Error requesting buffer\n");
else if (err == B_MEDIA_BUFFERS_NOT_RECLAIMED)
printf("Buffers not reclaimed");
}
else
{
uint32 *inData1 = (uint32*) inBuffer->Data();
uint32 *inData2 = (uint32*) inBuffer2->Data();
uint32 *finalData = (uint32*) transitionBuffer->Data();
/* WORK IT OUT */
uint32 * p1 = (uint32*)inData1;
uint32 * p2 = (uint32*)inData2;
uint32 * po = (uint32*)finalData;
const unsigned int C=m_format.u.raw_video.display.line_width;
const unsigned int L=m_format.u.raw_video.display.line_count;
uint32 c,l,dc,dl;
uint32 Co,Lo,lino,colo,lini,coli;
uint32 bgc = (Red<<16)+(Green<<8)+Blue;
while (po<finalData+firstHeader->size_used/4)
*po++=bgc;
po = (uint32*)finalData;
switch (Mode){
case 0:
if (TState<=50) {
Co = (50-TState)*C/50;
dc = Dx*(C-Co)/100;
//dc = (Dx*C)/100-Co/2;
for (l=0;l<L;l++)
for (c=0;c<Co;c++){
po[l*C+c+dc]=p1[l*C+c*(C-1)/(Co-1)];
}
}
else {
Co = (TState-50)*C/50;
//dc = (Dx*C)/100-Co/2;
dc = Dx*(C-Co)/100;
for (l=0;l<L;l++)
for (c=0;c<Co;c++){
po[l*C+c+dc]=p2[l*C+c*(C-1)/(Co-1)];
}
}
break;
case 1:
if (TState<=50) {
Lo = (50-TState)*L/50;
//dl = (Dy*L)/100-Lo/2;
dl = Dy*(L-Lo)/100;
for (l=0;l<Lo;l++)
for (c=0;c<C;c++){
po[(l+dl)*C+c]=p1[(l*(L-1)/(Lo-1))*C+c];
}
}
else {
Lo = (TState-50)*L/50;
//dl = (Dy*L)/100-Lo/2;
dl = Dy*(L-Lo)/100;
for (l=0;l<Lo;l++)
for (c=0;c<C;c++){
po[(l+dl)*C+c]=p2[(l*(L-1)/(Lo-1))*C+c];
}
}
break;
case 2:
if (TState<=50) {
Lo = (50-TState)*L/50;
Co = (50-TState)*C/50;
//dl = (Dy*L)/100-Lo/2;
//dc = (Dx*C)/100-Co/2;
dl = Dy*(L-Lo)/100;
dc = Dx*(C-Co)/100;
for (l=0;l<Lo;l++)
for (c=0;c<Co;c++){
lini = l*(L-1)/(Lo-1);
coli = c*(C-1)/(Co-1);
lino = l+dl;
colo = c+dc;
po[lino*C+colo]=p1[lini*C+coli];
}
}
else {
Lo = (TState-50)*L/50;
Co = (TState-50)*C/50;
//dl = (Dy*L)/100-Lo/2;
//dc = (Dx*C)/100-Co/2;
dl = Dy*(L-Lo)/100;
dc = Dx*(C-Co)/100;
for (l=0;l<Lo;l++)
for (c=0;c<Co;c++){
lini = l*(L-1)/(Lo-1);
coli = c*(C-1)/(Co-1);
lino = l+dl;
colo = c+dc;
po[lino*C+colo]=p2[lini*C+coli];
}
}
break;
}
// auto ++
if (TState<100) TState++;
// GO HOME!
media_header *h = transitionBuffer->Header();
h->type = B_MEDIA_RAW_VIDEO;
h->size_used = firstHeader->size_used;
h->start_time = firstHeader->start_time; // A changer !! IMPORTANT
h->file_pos = firstHeader->file_pos;
memcpy(&h->u.raw_video, &m_format.u.raw_video, sizeof(media_video_header));
// memcpy(h, firstHeader, sizeof(media_header));
}
// Fin Sans Bitmap
}
static int ni_pcidio_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
{
struct comedi_cmd *cmd = &s->async->cmd;
writel(0x0000, devpriv->mite->daq_io_addr + Port_Pin_Directions(0));
if (1) {
writeb(0x0f, devpriv->mite->daq_io_addr + Data_Path);
writeb(TransferWidth(0) | TransferLength(0),
devpriv->mite->daq_io_addr + Transfer_Size_Control);
} else {
writeb(0x03, devpriv->mite->daq_io_addr + Data_Path);
writeb(TransferWidth(3) | TransferLength(0),
devpriv->mite->daq_io_addr + Transfer_Size_Control);
}
if (cmd->scan_begin_src == TRIG_TIMER) {
writeb(0, devpriv->mite->daq_io_addr + OpMode);
writeb(0x00, devpriv->mite->daq_io_addr + ClockReg);
writeb(1, devpriv->mite->daq_io_addr + Sequence);
writeb(0x04, devpriv->mite->daq_io_addr + ReqReg);
writeb(4, devpriv->mite->daq_io_addr + BlockMode);
writeb(3, devpriv->mite->daq_io_addr + LinePolarities);
writeb(0xc0, devpriv->mite->daq_io_addr + AckSer);
writel(ni_pcidio_ns_to_timer(&cmd->scan_begin_arg,
TRIG_ROUND_NEAREST),
devpriv->mite->daq_io_addr + StartDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqNotDelay);
writeb(1, devpriv->mite->daq_io_addr + AckDelay);
writeb(0x0b, devpriv->mite->daq_io_addr + AckNotDelay);
writeb(0x01, devpriv->mite->daq_io_addr + Data1Delay);
writew(0, devpriv->mite->daq_io_addr + ClockSpeed);
writeb(0, devpriv->mite->daq_io_addr + DAQOptions);
} else {
writeb(0, devpriv->mite->daq_io_addr + OpMode);
writeb(0x00, devpriv->mite->daq_io_addr + ClockReg);
writeb(0, devpriv->mite->daq_io_addr + Sequence);
writeb(0x00, devpriv->mite->daq_io_addr + ReqReg);
writeb(4, devpriv->mite->daq_io_addr + BlockMode);
writeb(0, devpriv->mite->daq_io_addr + LinePolarities);
writeb(0x00, devpriv->mite->daq_io_addr + AckSer);
writel(1, devpriv->mite->daq_io_addr + StartDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqNotDelay);
writeb(1, devpriv->mite->daq_io_addr + AckDelay);
writeb(0x0C, devpriv->mite->daq_io_addr + AckNotDelay);
writeb(0x10, devpriv->mite->daq_io_addr + Data1Delay);
writew(0, devpriv->mite->daq_io_addr + ClockSpeed);
writeb(0x60, devpriv->mite->daq_io_addr + DAQOptions);
}
if (cmd->stop_src == TRIG_COUNT) {
writel(cmd->stop_arg,
devpriv->mite->daq_io_addr + Transfer_Count);
} else {
}
#ifdef USE_DMA
writeb(ClearPrimaryTC | ClearSecondaryTC,
devpriv->mite->daq_io_addr + Group_1_First_Clear);
{
int retval = setup_mite_dma(dev, s);
if (retval)
return retval;
}
#else
writeb(0x00, devpriv->mite->daq_io_addr + DMA_Line_Control_Group1);
#endif
writeb(0x00, devpriv->mite->daq_io_addr + DMA_Line_Control_Group2);
writeb(0xff, devpriv->mite->daq_io_addr + Group_1_First_Clear);
writeb(IntEn, devpriv->mite->daq_io_addr + Interrupt_Control);
writeb(0x03,
devpriv->mite->daq_io_addr + Master_DMA_And_Interrupt_Control);
if (cmd->stop_src == TRIG_NONE) {
devpriv->OpModeBits = DataLatching(0) | RunMode(7);
} else {
devpriv->OpModeBits = Numbered | RunMode(7);
}
if (cmd->start_src == TRIG_NOW) {
writeb(devpriv->OpModeBits,
devpriv->mite->daq_io_addr + OpMode);
s->async->inttrig = NULL;
} else {
s->async->inttrig = ni_pcidio_inttrig;
}
DPRINTK("ni_pcidio: command started\n");
return 0;
}
void
VideoConsumer::_HandleBuffer(BBuffer* buffer)
{
if (RunState() != B_STARTED || !fConnectionActive) {
TRACE("RunState() != B_STARTED\n");
buffer->Recycle();
return;
}
// See if this is one of our BBitmap buffers
uint32 index = 0;
fOurBuffers = true;
while (index < kBufferCount) {
if (buffer->ID() == fBufferMap[index]->ID())
break;
else
index++;
}
if (index == kBufferCount) {
// Buffers belong to consumer
// NOTE: We maintain this in a member variable, since we still need
// to recycle this buffer later on, in case it was the last buffer
// received before shutting down.
fOurBuffers = false;
index = (fLastBufferIndex + 1) % kBufferCount;
}
bool recycle = true;
bigtime_t now = TimeSource()->Now();
if (RunMode() == B_OFFLINE
|| now < buffer->Header()->start_time + kMaxBufferLateness) {
// Only display the buffer if it's not too late, or if we are
// in B_OFFLINE run-mode.
if (!fOurBuffers) {
memcpy(fBitmap[index]->Bits(), buffer->Data(),
fBitmap[index]->BitsLength());
}
bigtime_t tooEarly = buffer->Header()->start_time - now;
if (tooEarly > 3000)
snooze(tooEarly);
fTargetLock.Lock();
if (fTarget) {
fTarget->SetBitmap(fBitmap[index]);
if (fOurBuffers) {
// recycle the previous but not the current buffer
if (fLastBufferIndex >= 0)
fBufferMap[fLastBufferIndex]->Recycle();
recycle = false;
}
fLastBufferIndex = index;
}
fTargetLock.Unlock();
} else {
// Drop the buffer if it's too late.
if (fManager->LockWithTimeout(10000) == B_OK) {
fManager->FrameDropped();
fManager->Unlock();
}
PROGRESS("VideoConsumer::HandleEvent - DROPPED FRAME\n"
" start_time: %lld, current: %lld, latency: %lld\n",
buffer->Header()->start_time, TimeSource()->Now(),
SchedulingLatency());
}
if (recycle)
buffer->Recycle();
}