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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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2730 // Avoid adjusting when there is 32-bit wrap-around since that is | 2730 // Avoid adjusting when there is 32-bit wrap-around since that is |
2731 // something neccessary. | 2731 // something neccessary. |
2732 // | 2732 // |
2733 WEBRTC_TRACE(kTraceDebug, kTraceUtility, _id, "msecleft() => wrap ar
ound occured: %d bits used by sound card)", (i+1)); | 2733 WEBRTC_TRACE(kTraceDebug, kTraceUtility, _id, "msecleft() => wrap ar
ound occured: %d bits used by sound card)", (i+1)); |
2734 | 2734 |
2735 _writtenSamples = _writtenSamples - POW2(i + 1); | 2735 _writtenSamples = _writtenSamples - POW2(i + 1); |
2736 writtenSamples = _writtenSamples; | 2736 writtenSamples = _writtenSamples; |
2737 msecInPlayoutBuffer = ((writtenSamples - playedSamples)/nSamplesPerM
s); | 2737 msecInPlayoutBuffer = ((writtenSamples - playedSamples)/nSamplesPerM
s); |
2738 } | 2738 } |
2739 } | 2739 } |
2740 else if ((_writtenSamplesOld > POW2(31)) && (writtenSamples < 96000)) | 2740 else if ((_writtenSamplesOld > (unsigned long)POW2(31)) && (writtenSamples <
96000)) |
2741 { | 2741 { |
2742 // Wrap around as expected after having used all 32 bits. (But we still | 2742 // Wrap around as expected after having used all 32 bits. (But we still |
2743 // test if the wrap around happened earlier which it should not) | 2743 // test if the wrap around happened earlier which it should not) |
2744 | 2744 |
2745 i = 31; | 2745 i = 31; |
2746 while (_writtenSamplesOld <= (unsigned long)POW2(i)) { | 2746 while (_writtenSamplesOld <= (unsigned long)POW2(i)) { |
2747 i--; | 2747 i--; |
2748 } | 2748 } |
2749 | 2749 |
2750 WEBRTC_TRACE(kTraceDebug, kTraceUtility, _id, " msecleft() (wrap around
occured after having used all 32 bits)"); | 2750 WEBRTC_TRACE(kTraceDebug, kTraceUtility, _id, " msecleft() (wrap around
occured after having used all 32 bits)"); |
2751 | 2751 |
2752 _writtenSamplesOld = writtenSamples; | 2752 _writtenSamplesOld = writtenSamples; |
2753 _playedSamplesOld = playedSamples; | 2753 _playedSamplesOld = playedSamples; |
2754 msecInPlayoutBuffer = (int)((writtenSamples + POW2(i + 1) - playedSample
s)/nSamplesPerMs); | 2754 msecInPlayoutBuffer = (int)((writtenSamples + POW2(i + 1) - playedSample
s)/nSamplesPerMs); |
2755 | 2755 |
2756 } | 2756 } |
2757 else if ((writtenSamples < 96000) && (playedSamples > POW2(31))) | 2757 else if ((writtenSamples < 96000) && (playedSamples > (unsigned long)POW2(31
))) |
2758 { | 2758 { |
2759 // Wrap around has, as expected, happened for written_sampels before | 2759 // Wrap around has, as expected, happened for written_sampels before |
2760 // playedSampels so we have to adjust for this until also playedSampels | 2760 // playedSampels so we have to adjust for this until also playedSampels |
2761 // has had wrap around. | 2761 // has had wrap around. |
2762 | 2762 |
2763 WEBRTC_TRACE(kTraceDebug, kTraceUtility, _id, " msecleft() (wrap around
occured: correction of output is done)"); | 2763 WEBRTC_TRACE(kTraceDebug, kTraceUtility, _id, " msecleft() (wrap around
occured: correction of output is done)"); |
2764 | 2764 |
2765 _writtenSamplesOld = writtenSamples; | 2765 _writtenSamplesOld = writtenSamples; |
2766 _playedSamplesOld = playedSamples; | 2766 _playedSamplesOld = playedSamples; |
2767 msecInPlayoutBuffer = (int)((writtenSamples + POW2(32) - playedSamples)/
nSamplesPerMs); | 2767 msecInPlayoutBuffer = (int)((writtenSamples + POW2(32) - playedSamples)/
nSamplesPerMs); |
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2946 readSamples = _read_samples; | 2946 readSamples = _read_samples; |
2947 _wrapCounter++; | 2947 _wrapCounter++; |
2948 } else { | 2948 } else { |
2949 WEBRTC_TRACE (kTraceWarning, kTraceUtility, -1,"AEC (_rec_samples_ol
d %d recSamples %d)",_rec_samples_old, recSamples); | 2949 WEBRTC_TRACE (kTraceWarning, kTraceUtility, -1,"AEC (_rec_samples_ol
d %d recSamples %d)",_rec_samples_old, recSamples); |
2950 } | 2950 } |
2951 } | 2951 } |
2952 | 2952 |
2953 if((_wrapCounter>200)){ | 2953 if((_wrapCounter>200)){ |
2954 // Do nothing, handled later | 2954 // Do nothing, handled later |
2955 } | 2955 } |
2956 else if((_rec_samples_old > POW2(31)) && (recSamples < 96000)) { | 2956 else if((_rec_samples_old > (unsigned long)POW2(31)) && (recSamples < 96000)
) { |
2957 WEBRTC_TRACE (kTraceDebug, kTraceUtility, -1,"WRAP 2 (_rec_samples_old %
d recSamples %d)",_rec_samples_old, recSamples); | 2957 WEBRTC_TRACE (kTraceDebug, kTraceUtility, -1,"WRAP 2 (_rec_samples_old %
d recSamples %d)",_rec_samples_old, recSamples); |
2958 // Wrap around as expected after having used all 32 bits. | 2958 // Wrap around as expected after having used all 32 bits. |
2959 _read_samples_old = readSamples; | 2959 _read_samples_old = readSamples; |
2960 _rec_samples_old = recSamples; | 2960 _rec_samples_old = recSamples; |
2961 _wrapCounter++; | 2961 _wrapCounter++; |
2962 return (int)((recSamples + POW2(32) - readSamples)/nSamplesPerMs); | 2962 return (int)((recSamples + POW2(32) - readSamples)/nSamplesPerMs); |
2963 | 2963 |
2964 | 2964 |
2965 } else if((recSamples < 96000) && (readSamples > POW2(31))) { | 2965 } else if((recSamples < 96000) && (readSamples > (unsigned long)POW2(31))) { |
2966 WEBRTC_TRACE (kTraceDebug, kTraceUtility, -1,"WRAP 3 (readSamples %d rec
Samples %d)",readSamples, recSamples); | 2966 WEBRTC_TRACE (kTraceDebug, kTraceUtility, -1,"WRAP 3 (readSamples %d rec
Samples %d)",readSamples, recSamples); |
2967 // Wrap around has, as expected, happened for rec_sampels before | 2967 // Wrap around has, as expected, happened for rec_sampels before |
2968 // readSampels so we have to adjust for this until also readSampels | 2968 // readSampels so we have to adjust for this until also readSampels |
2969 // has had wrap around. | 2969 // has had wrap around. |
2970 _read_samples_old = readSamples; | 2970 _read_samples_old = readSamples; |
2971 _rec_samples_old = recSamples; | 2971 _rec_samples_old = recSamples; |
2972 _wrapCounter++; | 2972 _wrapCounter++; |
2973 return (int)((recSamples + POW2(32) - readSamples)/nSamplesPerMs); | 2973 return (int)((recSamples + POW2(32) - readSamples)/nSamplesPerMs); |
2974 } | 2974 } |
2975 | 2975 |
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3723 bool AudioDeviceWindowsWave::KeyPressed() const{ | 3723 bool AudioDeviceWindowsWave::KeyPressed() const{ |
3724 | 3724 |
3725 int key_down = 0; | 3725 int key_down = 0; |
3726 for (int key = VK_SPACE; key < VK_NUMLOCK; key++) { | 3726 for (int key = VK_SPACE; key < VK_NUMLOCK; key++) { |
3727 short res = GetAsyncKeyState(key); | 3727 short res = GetAsyncKeyState(key); |
3728 key_down |= res & 0x1; // Get the LSB | 3728 key_down |= res & 0x1; // Get the LSB |
3729 } | 3729 } |
3730 return (key_down > 0); | 3730 return (key_down > 0); |
3731 } | 3731 } |
3732 } // namespace webrtc | 3732 } // namespace webrtc |
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