Honor 80 chars/line limit.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38448 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus
parent
a6e0f877c3
commit
b543dbc293
@ -1,5 +1,5 @@
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/*
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* Copyright 2003-2009 Haiku Inc. All rights reserved.
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* Copyright 2003-2010 Haiku Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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@ -68,8 +68,10 @@ MixerInput::MixerInput(MixerCore *core, const media_input &input,
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// initialize fInputChannelInfo
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for (int i = 0; i < fInputChannelCount; i++) {
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fInputChannelInfo[i].buffer_base = 0; // will be set by SetMixBufferFormat()
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fInputChannelInfo[i].destination_mask = 0; // will be set by UpdateInputChannelDestinationMask()
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fInputChannelInfo[i].buffer_base = 0;
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// will be set by SetMixBufferFormat()
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fInputChannelInfo[i].destination_mask = 0;
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// will be set by UpdateInputChannelDestinationMask()
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fInputChannelInfo[i].gain = 1.0;
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}
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@ -77,10 +79,12 @@ MixerInput::MixerInput(MixerCore *core, const media_input &input,
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fResampler = new Resampler * [fInputChannelCount];
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for (int i = 0; i < fInputChannelCount; i++) {
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// TODO create Interpolate instead of Resampler if the settings says so
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fResampler[i] = new Resampler(fInput.format.u.raw_audio.format, media_raw_audio_format::B_AUDIO_FLOAT);
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fResampler[i] = new Resampler(fInput.format.u.raw_audio.format,
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media_raw_audio_format::B_AUDIO_FLOAT);
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}
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// fMixerChannelInfo and fMixerChannelCount will be initialized by UpdateInputChannelDestinations()
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// fMixerChannelInfo and fMixerChannelCount will be initialized by
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// UpdateInputChannelDestinations()
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SetMixBufferFormat((int32)mixFrameRate, mixFrameCount);
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}
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@ -111,16 +115,19 @@ MixerInput::BufferReceived(BBuffer *buffer)
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bigtime_t buffer_duration;
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if (!fMixBuffer) {
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ERROR("MixerInput::BufferReceived: dropped incoming buffer as we don't have a mix buffer\n");
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ERROR("MixerInput::BufferReceived: dropped incoming buffer as we "
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"don't have a mix buffer\n");
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return;
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}
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data = buffer->Data();
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size = buffer->SizeUsed();
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start = buffer->Header()->start_time;
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buffer_duration = duration_for_frames(fInput.format.u.raw_audio.frame_rate, size / bytes_per_frame(fInput.format.u.raw_audio));
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buffer_duration = duration_for_frames(fInput.format.u.raw_audio.frame_rate,
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size / bytes_per_frame(fInput.format.u.raw_audio));
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if (start < 0) {
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ERROR("MixerInput::BufferReceived: buffer with negative start time of %Ld dropped\n", start);
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ERROR("MixerInput::BufferReceived: buffer with negative start time of "
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"%Ld dropped\n", start);
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return;
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}
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@ -128,12 +135,15 @@ MixerInput::BufferReceived(BBuffer *buffer)
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if (fInputByteSwap)
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fInputByteSwap->Swap(data, size);
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int offset = frames_for_duration(fMixBufferFrameRate, start) % fMixBufferFrameCount;
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int offset = frames_for_duration(fMixBufferFrameRate, start)
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% fMixBufferFrameCount;
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PRINT(4, "MixerInput::BufferReceived: buffer start %10Ld, offset %6d\n", start, offset);
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PRINT(4, "MixerInput::BufferReceived: buffer start %10Ld, offset %6d\n",
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start, offset);
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int in_frames = size / bytes_per_frame(fInput.format.u.raw_audio);
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double frames = double(in_frames * fMixBufferFrameRate) / fInput.format.u.raw_audio.frame_rate;
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double frames = double(in_frames * fMixBufferFrameRate)
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/ fInput.format.u.raw_audio.frame_rate;
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int out_frames = int(frames);
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fFractionalFrames += frames - double(out_frames);
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if (fFractionalFrames >= 1.0) {
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@ -144,98 +154,139 @@ MixerInput::BufferReceived(BBuffer *buffer)
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// if fLastDataFrameWritten != -1, then we have a valid last position
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// and can do glitch compensation
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if (fLastDataFrameWritten >= 0) {
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int expected_frame = (fLastDataFrameWritten + 1) % fMixBufferFrameCount;
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int expected_frame = (fLastDataFrameWritten + 1)
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% fMixBufferFrameCount;
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if (offset != expected_frame) {
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// due to rounding and other errors, offset might be off by +/- 1
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// this is not really a bad glitch, we just adjust the position
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if (offset == fLastDataFrameWritten) {
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//printf("MixerInput::BufferReceived: -1 frame GLITCH! last frame was %ld, expected frame was %d, new frame is %d\n", fLastDataFrameWritten, expected_frame, offset);
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// printf("MixerInput::BufferReceived: -1 frame GLITCH! last "
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// "frame was %ld, expected frame was %d, new frame is %d\n",
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// fLastDataFrameWritten, expected_frame, offset);
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offset = expected_frame;
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} else if (offset == ((fLastDataFrameWritten + 2) % fMixBufferFrameCount)) {
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//printf("MixerInput::BufferReceived: +1 frame GLITCH! last frame was %ld, expected frame was %d, new frame is %d\n", fLastDataFrameWritten, expected_frame, offset);
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} else if (offset == ((fLastDataFrameWritten + 2)
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% fMixBufferFrameCount)) {
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// printf("MixerInput::BufferReceived: +1 frame GLITCH! last "
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// "frame was %ld, expected frame was %d, new frame is %d\n",
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// fLastDataFrameWritten, expected_frame, offset);
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offset = expected_frame;
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} else {
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printf("MixerInput::BufferReceived: GLITCH! last frame was %4ld, expected frame was %4d, new frame is %4d\n", fLastDataFrameWritten, expected_frame, offset);
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printf("MixerInput::BufferReceived: GLITCH! last frame was "
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"%4ld, expected frame was %4d, new frame is %4d\n",
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fLastDataFrameWritten, expected_frame, offset);
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if (start > fLastDataAvailableTime) {
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if ((start - fLastDataAvailableTime) < (buffer_duration / 10)) {
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if ((start - fLastDataAvailableTime)
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< (buffer_duration / 10)) {
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// buffer is less than 10% of buffer duration too late
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printf("short glitch, buffer too late, time delta %Ld\n", start - fLastDataAvailableTime);
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printf("short glitch, buffer too late, time delta "
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"%Ld\n", start - fLastDataAvailableTime);
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offset = expected_frame;
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out_frames++;
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} else {
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// buffer more than 10% of buffer duration too late
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// XXX zerofill buffer
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printf("MAJOR glitch, buffer too late, time delta %Ld\n", start - fLastDataAvailableTime);
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// TODO: zerofill buffer
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printf("MAJOR glitch, buffer too late, time delta "
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"%Ld\n", start - fLastDataAvailableTime);
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}
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} else { // start <= fLastDataAvailableTime
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// the new buffer is too early
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if ((fLastDataAvailableTime - start) < (buffer_duration / 10)) {
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if ((fLastDataAvailableTime - start)
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< (buffer_duration / 10)) {
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// buffer is less than 10% of buffer duration too early
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printf("short glitch, buffer too early, time delta %Ld\n", fLastDataAvailableTime - start);
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printf("short glitch, buffer too early, time delta "
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"%Ld\n", fLastDataAvailableTime - start);
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offset = expected_frame;
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out_frames--;
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if (out_frames < 1)
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out_frames = 1;
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} else {
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// buffer more than 10% of buffer duration too early
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// XXX zerofill buffer
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printf("MAJOR glitch, buffer too early, time delta %Ld\n", fLastDataAvailableTime - start);
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// TODO: zerofill buffer
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printf("MAJOR glitch, buffer too early, time delta "
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"%Ld\n", fLastDataAvailableTime - start);
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}
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}
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}
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}
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}
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//printf("data arrived for %10Ld to %10Ld, storing at frames %ld to %ld\n", start, start + duration_for_frames(fInput.format.u.raw_audio.frame_rate, frames_per_buffer(fInput.format.u.raw_audio)), offset, offset + out_frames);
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// printf("data arrived for %10Ld to %10Ld, storing at frames %ld to %ld\n",
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// start,
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// start + duration_for_frames(fInput.format.u.raw_audio.frame_rate,
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// frames_per_buffer(fInput.format.u.raw_audio)), offset,
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// offset + out_frames);
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if (offset + out_frames > fMixBufferFrameCount) {
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int out_frames1 = fMixBufferFrameCount - offset;
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int out_frames2 = out_frames - out_frames1;
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int in_frames1 = (out_frames1 * in_frames) / out_frames;
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int in_frames2 = in_frames - in_frames1;
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//printf("at %10Ld, data arrived for %10Ld to %10Ld, storing at frames %ld to %ld and %ld to %ld\n", fCore->fTimeSource->Now(), start, start + duration_for_frames(fInput.format.u.raw_audio.frame_rate, frames_per_buffer(fInput.format.u.raw_audio)), offset, offset + out_frames1 - 1, 0, out_frames2 - 1);
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PRINT(3, "at %10Ld, data arrived for %10Ld to %10Ld, storing at frames %ld to %ld and %ld to %ld\n", fCore->fTimeSource->Now(), start, start + duration_for_frames(fInput.format.u.raw_audio.frame_rate, frames_per_buffer(fInput.format.u.raw_audio)), offset, offset + out_frames1 - 1, 0, out_frames2 - 1);
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PRINT(5, " in_frames %5d, out_frames %5d, in_frames1 %5d, out_frames1 %5d, in_frames2 %5d, out_frames2 %5d\n",
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in_frames, out_frames, in_frames1, out_frames1, in_frames2, out_frames2);
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// printf("at %10Ld, data arrived for %10Ld to %10Ld, storing at "
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// "frames %ld to %ld and %ld to %ld\n", fCore->fTimeSource->Now(),
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// start,
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// start + duration_for_frames(fInput.format.u.raw_audio.frame_rate,
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// frames_per_buffer(fInput.format.u.raw_audio)), offset,
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// offset + out_frames1 - 1, 0, out_frames2 - 1);
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PRINT(3, "at %10Ld, data arrived for %10Ld to %10Ld, storing at "
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"frames %ld to %ld and %ld to %ld\n", fCore->fTimeSource->Now(),
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start,
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start + duration_for_frames(fInput.format.u.raw_audio.frame_rate,
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frames_per_buffer(fInput.format.u.raw_audio)), offset,
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offset + out_frames1 - 1, 0, out_frames2 - 1);
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PRINT(5, " in_frames %5d, out_frames %5d, in_frames1 %5d, "
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"out_frames1 %5d, in_frames2 %5d, out_frames2 %5d\n",
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in_frames, out_frames, in_frames1, out_frames1, in_frames2,
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out_frames2);
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fLastDataFrameWritten = out_frames2 - 1;
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offset *= sizeof(float) * fInputChannelCount; // convert offset from frames into bytes
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// convert offset from frames into bytes
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offset *= sizeof(float) * fInputChannelCount;
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for (int i = 0; i < fInputChannelCount; i++) {
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fResampler[i]->Resample(reinterpret_cast<char *>(data) + i * bytes_per_sample(fInput.format.u.raw_audio),
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bytes_per_frame(fInput.format.u.raw_audio),
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in_frames1,
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reinterpret_cast<char *>(fInputChannelInfo[i].buffer_base) + offset,
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fInputChannelCount * sizeof(float),
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out_frames1,
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fInputChannelInfo[i].gain);
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fResampler[i]->Resample(
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reinterpret_cast<char *>(data)
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+ i * bytes_per_sample(fInput.format.u.raw_audio),
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bytes_per_frame(fInput.format.u.raw_audio), in_frames1,
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reinterpret_cast<char *>(fInputChannelInfo[i].buffer_base)
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+ offset, fInputChannelCount * sizeof(float), out_frames1,
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fInputChannelInfo[i].gain);
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fResampler[i]->Resample(reinterpret_cast<char *>(data) + i * bytes_per_sample(fInput.format.u.raw_audio) + in_frames1 * bytes_per_frame(fInput.format.u.raw_audio),
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bytes_per_frame(fInput.format.u.raw_audio),
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in_frames2,
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reinterpret_cast<char *>(fInputChannelInfo[i].buffer_base),
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fInputChannelCount * sizeof(float),
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out_frames2,
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fInputChannelInfo[i].gain);
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fResampler[i]->Resample(
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reinterpret_cast<char *>(data)
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+ i * bytes_per_sample(fInput.format.u.raw_audio)
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+ in_frames1 * bytes_per_frame(fInput.format.u.raw_audio),
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bytes_per_frame(fInput.format.u.raw_audio), in_frames2,
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reinterpret_cast<char *>(fInputChannelInfo[i].buffer_base),
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fInputChannelCount * sizeof(float), out_frames2,
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fInputChannelInfo[i].gain);
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}
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} else {
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//printf("at %10Ld, data arrived for %10Ld to %10Ld, storing at frames %ld to %ld\n", fCore->fTimeSource->Now(), start, start + duration_for_frames(fInput.format.u.raw_audio.frame_rate, frames_per_buffer(fInput.format.u.raw_audio)), offset, offset + out_frames - 1);
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PRINT(3, "at %10Ld, data arrived for %10Ld to %10Ld, storing at frames %ld to %ld\n", fCore->fTimeSource->Now(), start, start + duration_for_frames(fInput.format.u.raw_audio.frame_rate, frames_per_buffer(fInput.format.u.raw_audio)), offset, offset + out_frames - 1);
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// printf("at %10Ld, data arrived for %10Ld to %10Ld, storing at "
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// "frames %ld to %ld\n", fCore->fTimeSource->Now(), start,
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// start + duration_for_frames(fInput.format.u.raw_audio.frame_rate,
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// frames_per_buffer(fInput.format.u.raw_audio)), offset,
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// offset + out_frames - 1);
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PRINT(3, "at %10Ld, data arrived for %10Ld to %10Ld, storing at "
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"frames %ld to %ld\n", fCore->fTimeSource->Now(), start,
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start + duration_for_frames(fInput.format.u.raw_audio.frame_rate,
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frames_per_buffer(fInput.format.u.raw_audio)), offset,
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offset + out_frames - 1);
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PRINT(5, " in_frames %5d, out_frames %5d\n", in_frames, out_frames);
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fLastDataFrameWritten = offset + out_frames - 1;
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offset *= sizeof(float) * fInputChannelCount; // convert offset from frames into bytes
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// convert offset from frames into bytes
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offset *= sizeof(float) * fInputChannelCount;
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for (int i = 0; i < fInputChannelCount; i++) {
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fResampler[i]->Resample(reinterpret_cast<char *>(data) + i * bytes_per_sample(fInput.format.u.raw_audio),
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bytes_per_frame(fInput.format.u.raw_audio),
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in_frames,
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reinterpret_cast<char *>(fInputChannelInfo[i].buffer_base) + offset,
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fInputChannelCount * sizeof(float),
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out_frames,
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fInputChannelInfo[i].gain);
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fResampler[i]->Resample(
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reinterpret_cast<char *>(data)
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+ i * bytes_per_sample(fInput.format.u.raw_audio),
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bytes_per_frame(fInput.format.u.raw_audio), in_frames,
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reinterpret_cast<char *>(fInputChannelInfo[i].buffer_base)
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+ offset, fInputChannelCount * sizeof(float),
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out_frames, fInputChannelInfo[i].gain);
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}
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}
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fLastDataAvailableTime = start + buffer_duration;
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@ -277,7 +328,9 @@ MixerInput::AddInputChannelDestination(int channel, int destination_type)
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// verify that no other channel has id
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if (-1 != GetInputChannelForDestination(destination_type)) {
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ERROR("MixerInput::AddInputChannelDestination: destination_type %d already assigned to channel %d\n", destination_type, GetInputChannelForDestination(destination_type));
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ERROR("MixerInput::AddInputChannelDestination: destination_type %d "
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"already assigned to channel %d\n", destination_type,
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GetInputChannelForDestination(destination_type));
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return;
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}
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@ -316,7 +369,8 @@ MixerInput::HasInputChannelDestination(int channel, int destination_type)
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return false;
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if (destination_type < 0 || destination_type >= MAX_CHANNEL_TYPES)
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return false;
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return fInputChannelInfo[channel].destination_mask & ChannelTypeToChannelMask(destination_type);
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return fInputChannelInfo[channel].destination_mask
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& ChannelTypeToChannelMask(destination_type);
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}
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@ -374,36 +428,54 @@ MixerInput::UpdateInputChannelDestinationMask()
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TRACE("UpdateInputChannelDestinationMask: enter\n");
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// first apply a 1:1 mapping
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for (int i = 0; i < fInputChannelCount; i++)
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fInputChannelInfo[i].destination_mask = GetChannelMask(i, fInputChannelMask);
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for (int i = 0; i < fInputChannelCount; i++) {
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fInputChannelInfo[i].destination_mask = GetChannelMask(i,
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fInputChannelMask);
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}
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// specialize this, depending on the available physical output channels
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if (fCore->OutputChannelCount() <= 2) {
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// less or equal two channels
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if (fInputChannelCount == 1 && (GetChannelMask(0, fInputChannelMask) & (B_CHANNEL_LEFT | B_CHANNEL_RIGHT))) {
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if (fInputChannelCount == 1
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&& (GetChannelMask(0, fInputChannelMask)
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& (B_CHANNEL_LEFT | B_CHANNEL_RIGHT))) {
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fInputChannelInfo[0].destination_mask = B_CHANNEL_MONO;
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}
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} else {
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// more than two channel output card
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if (fInputChannelCount == 1 && (GetChannelMask(0, fInputChannelMask) & (B_CHANNEL_LEFT | B_CHANNEL_RIGHT))) {
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if (fInputChannelCount == 1
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&& (GetChannelMask(0, fInputChannelMask)
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& (B_CHANNEL_LEFT | B_CHANNEL_RIGHT))) {
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fInputChannelInfo[0].destination_mask = B_CHANNEL_MONO;
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}
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if (fInputChannelCount == 2 && (GetChannelMask(0, fInputChannelMask) & B_CHANNEL_LEFT)) {
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fInputChannelInfo[0].destination_mask = B_CHANNEL_LEFT | B_CHANNEL_REARLEFT;
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if (fInputChannelCount == 2
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&& (GetChannelMask(0, fInputChannelMask) & B_CHANNEL_LEFT)) {
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fInputChannelInfo[0].destination_mask
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= B_CHANNEL_LEFT | B_CHANNEL_REARLEFT;
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}
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if (fInputChannelCount == 2 && (GetChannelMask(0, fInputChannelMask) & B_CHANNEL_RIGHT)) {
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fInputChannelInfo[0].destination_mask = B_CHANNEL_RIGHT | B_CHANNEL_REARRIGHT;
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if (fInputChannelCount == 2
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&& (GetChannelMask(0, fInputChannelMask) & B_CHANNEL_RIGHT)) {
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fInputChannelInfo[0].destination_mask
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= B_CHANNEL_RIGHT | B_CHANNEL_REARRIGHT;
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}
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if (fInputChannelCount == 2 && (GetChannelMask(1, fInputChannelMask) & B_CHANNEL_LEFT)) {
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fInputChannelInfo[1].destination_mask = B_CHANNEL_LEFT | B_CHANNEL_REARLEFT;
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if (fInputChannelCount == 2
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&& (GetChannelMask(1, fInputChannelMask) & B_CHANNEL_LEFT)) {
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fInputChannelInfo[1].destination_mask
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= B_CHANNEL_LEFT | B_CHANNEL_REARLEFT;
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}
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if (fInputChannelCount == 2 && (GetChannelMask(1, fInputChannelMask) & B_CHANNEL_RIGHT)) {
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fInputChannelInfo[1].destination_mask = B_CHANNEL_RIGHT | B_CHANNEL_REARRIGHT;
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if (fInputChannelCount == 2
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&& (GetChannelMask(1, fInputChannelMask) & B_CHANNEL_RIGHT)) {
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fInputChannelInfo[1].destination_mask
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= B_CHANNEL_RIGHT | B_CHANNEL_REARRIGHT;
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}
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}
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for (int i = 0; i < fInputChannelCount; i++)
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TRACE("UpdateInputChannelDestinationMask: input channel %d, destination_mask 0x%08lX, base %p, gain %.3f\n", i, fInputChannelInfo[i].destination_mask, fInputChannelInfo[i].buffer_base, fInputChannelInfo[i].gain);
|
||||
for (int i = 0; i < fInputChannelCount; i++) {
|
||||
TRACE("UpdateInputChannelDestinationMask: input channel %d, "
|
||||
"destination_mask 0x%08lX, base %p, gain %.3f\n", i,
|
||||
fInputChannelInfo[i].destination_mask,
|
||||
fInputChannelInfo[i].buffer_base, fInputChannelInfo[i].gain);
|
||||
}
|
||||
TRACE("UpdateInputChannelDestinationMask: leave\n");
|
||||
}
|
||||
|
||||
@ -416,8 +488,12 @@ MixerInput::UpdateInputChannelDestinations()
|
||||
uint32 mask;
|
||||
|
||||
TRACE("UpdateInputChannelDestinations: enter\n");
|
||||
for (int i = 0; i < fInputChannelCount; i++)
|
||||
TRACE("UpdateInputChannelDestinations: input channel %d, destination_mask 0x%08lX, base %p, gain %.3f\n", i, fInputChannelInfo[i].destination_mask, fInputChannelInfo[i].buffer_base, fInputChannelInfo[i].gain);
|
||||
for (int i = 0; i < fInputChannelCount; i++) {
|
||||
TRACE("UpdateInputChannelDestinations: input channel %d, "
|
||||
"destination_mask 0x%08lX, base %p, gain %.3f\n", i,
|
||||
fInputChannelInfo[i].destination_mask,
|
||||
fInputChannelInfo[i].buffer_base, fInputChannelInfo[i].gain);
|
||||
}
|
||||
|
||||
all_bits = 0;
|
||||
for (int i = 0; i < fInputChannelCount; i++)
|
||||
@ -426,7 +502,9 @@ MixerInput::UpdateInputChannelDestinations()
|
||||
TRACE("UpdateInputChannelDestinations: all_bits = %08lx\n", all_bits);
|
||||
|
||||
channel_count = count_nonzero_bits(all_bits);
|
||||
TRACE("UpdateInputChannelDestinations: %d input channels, %d mixer channels (%d old)\n", fInputChannelCount, channel_count, fMixerChannelCount);
|
||||
TRACE("UpdateInputChannelDestinations: %d input channels, %d mixer "
|
||||
"channels (%d old)\n", fInputChannelCount, channel_count,
|
||||
fMixerChannelCount);
|
||||
if (channel_count != fMixerChannelCount) {
|
||||
delete [] fMixerChannelInfo;
|
||||
fMixerChannelInfo = new mixer_chan_info[channel_count];
|
||||
@ -440,7 +518,8 @@ MixerInput::UpdateInputChannelDestinations()
|
||||
while (mask != 0 && (all_bits & mask) == 0)
|
||||
mask <<= 1;
|
||||
fMixerChannelInfo[i].destination_type = ChannelMaskToChannelType(mask);
|
||||
fMixerChannelInfo[i].destination_gain = fChannelTypeGain[fMixerChannelInfo[i].destination_type];
|
||||
fMixerChannelInfo[i].destination_gain
|
||||
= fChannelTypeGain[fMixerChannelInfo[i].destination_type];
|
||||
mask <<= 1;
|
||||
}
|
||||
|
||||
@ -448,8 +527,11 @@ MixerInput::UpdateInputChannelDestinations()
|
||||
for (int i = 0; i < fMixerChannelCount; i++) {
|
||||
int j;
|
||||
for (j = 0; j < fInputChannelCount; j++) {
|
||||
if (fInputChannelInfo[j].destination_mask & ChannelTypeToChannelMask(fMixerChannelInfo[i].destination_type)) {
|
||||
fMixerChannelInfo[i].buffer_base = fMixBuffer ? &fMixBuffer[j] : 0;
|
||||
if (fInputChannelInfo[j].destination_mask
|
||||
& ChannelTypeToChannelMask(
|
||||
fMixerChannelInfo[i].destination_type)) {
|
||||
fMixerChannelInfo[i].buffer_base = fMixBuffer ? &fMixBuffer[j]
|
||||
: 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
@ -459,8 +541,12 @@ MixerInput::UpdateInputChannelDestinations()
|
||||
}
|
||||
}
|
||||
|
||||
for (int i = 0; i < fMixerChannelCount; i++)
|
||||
TRACE("UpdateInputChannelDestinations: mixer channel %d, type %2d, base %p, gain %.3f\n", i, fMixerChannelInfo[i].destination_type, fMixerChannelInfo[i].buffer_base, fMixerChannelInfo[i].destination_gain);
|
||||
for (int i = 0; i < fMixerChannelCount; i++) {
|
||||
TRACE("UpdateInputChannelDestinations: mixer channel %d, type %2d, "
|
||||
"base %p, gain %.3f\n", i, fMixerChannelInfo[i].destination_type,
|
||||
fMixerChannelInfo[i].buffer_base,
|
||||
fMixerChannelInfo[i].destination_gain);
|
||||
}
|
||||
|
||||
TRACE("UpdateInputChannelDestinations: leave\n");
|
||||
}
|
||||
@ -470,9 +556,11 @@ MixerInput::UpdateInputChannelDestinations()
|
||||
// and is about to be modified at a later point
|
||||
/*
|
||||
void
|
||||
MixerInput::SetInputChannelDestinationGain(int channel, int destination_type, float gain)
|
||||
MixerInput::SetInputChannelDestinationGain(int channel, int destination_type,
|
||||
float gain)
|
||||
{
|
||||
TRACE("SetInputChannelDestinationGain: channel %d, destination_type %d, gain %.4f\n", channel, destination_type, gain);
|
||||
TRACE("SetInputChannelDestinationGain: channel %d, destination_type %d,
|
||||
gain %.4f\n", channel, destination_type, gain);
|
||||
// we don't need the channel, as each destination_type can only exist
|
||||
// once for each MixerInput, but we use it for parameter validation
|
||||
// and to have a interface similar to MixerOutput
|
||||
@ -579,16 +667,19 @@ MixerInput::SetMixBufferFormat(int32 framerate, int32 frames)
|
||||
// make fMixBufferFrameCount an integral multiple of frames,
|
||||
// but at least 3 times duration of our input buffer
|
||||
// and at least 2 times duration of the output buffer
|
||||
bigtime_t inputBufferLength = duration_for_frames(fInput.format.u.raw_audio.frame_rate, frames_per_buffer(fInput.format.u.raw_audio));
|
||||
bigtime_t inputBufferLength = duration_for_frames(
|
||||
fInput.format.u.raw_audio.frame_rate,
|
||||
frames_per_buffer(fInput.format.u.raw_audio));
|
||||
bigtime_t outputBufferLength = duration_for_frames(framerate, frames);
|
||||
bigtime_t mixerBufferLength = max_c(3 * inputBufferLength, 2 * outputBufferLength);
|
||||
bigtime_t mixerBufferLength
|
||||
= max_c(3 * inputBufferLength, 2 * outputBufferLength);
|
||||
int temp = frames_for_duration(framerate, mixerBufferLength);
|
||||
fMixBufferFrameCount = ((temp / frames) + 1) * frames;
|
||||
|
||||
TRACE(" inputBufferLength %10Ld\n", inputBufferLength);
|
||||
TRACE(" outputBufferLength %10Ld\n", outputBufferLength);
|
||||
TRACE(" mixerBufferLength %10Ld\n", mixerBufferLength);
|
||||
TRACE(" fMixBufferFrameCount %10d\n", fMixBufferFrameCount);
|
||||
TRACE(" inputBufferLength %10Ld\n", inputBufferLength);
|
||||
TRACE(" outputBufferLength %10Ld\n", outputBufferLength);
|
||||
TRACE(" mixerBufferLength %10Ld\n", mixerBufferLength);
|
||||
TRACE(" fMixBufferFrameCount %10d\n", fMixBufferFrameCount);
|
||||
|
||||
ASSERT((fMixBufferFrameCount % frames) == 0);
|
||||
|
||||
@ -602,7 +693,7 @@ MixerInput::SetMixBufferFormat(int32 framerate, int32 frames)
|
||||
if (rtm_create_pool(&fRtmPool, size) != B_OK)
|
||||
fRtmPool = NULL;
|
||||
|
||||
fMixBuffer = (float *)rtm_alloc(fRtmPool, size);
|
||||
fMixBuffer = (float*)rtm_alloc(fRtmPool, size);
|
||||
if (fMixBuffer == NULL)
|
||||
return;
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user