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Diffstat (limited to 'Graphic_Equalizer/src/audio.hcc')
| -rw-r--r-- | Graphic_Equalizer/src/audio.hcc | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/Graphic_Equalizer/src/audio.hcc b/Graphic_Equalizer/src/audio.hcc deleted file mode 100644 index 91901e1..0000000 --- a/Graphic_Equalizer/src/audio.hcc +++ /dev/null @@ -1,102 +0,0 @@ -/*! @file audio.hcc
- *
- * @section generic Audio init and main loop
- *
- * @section project Project information.
- * Project Graphic Equalizer\n
- * @author O.M. Schinagl
- * @date 20041011
- * @version 0.1
- *
- * @section copyright Copyright
- * Copyright ©2004 Koninklijke Philips Electronics N.V. All rights reserved
- *
- * @section history Change history
- * 20041011: \n Initial version
- *
- ********************************************************************/
-
-/******** System Includes *************/
-#include <stdlib.hch>
-
-#include "pal_master.hch"
-
-/******** Application Includes ********/
-#include "configuration.hch"
-#include "audio.hch"
-
-
-
-/*! \fn macro proc audio_init(gain_level, input_source, sample_rate, AUDIOIN, AUDIOOUT)
- *
- * \brief Set some inital values to the audio hardware.
- *
- * \param gain_level Set the input amplifier to this amplification
- * level.
- * \param input_source Choose between microphone input or linein
- * input.
- * \param sample_rate Set the sample rate between 8000
- * and 48000
- *
- * \return void
- * \retval void
- *
- */
-macro proc audio_init(gain_level, input_source, sample_rate, AUDIOIN, AUDIOOUT) {
- /*
- * We simply call the appropiate handlers and pass values along. We
- * Don't set the mute on input gain. We have volume control to do this.
- * Input and Output sampling rates are equal. We dont' need different
- * rates.
- */
- RC200AudioInSetGain(FALSE, gain_level, gain_level);
- RC200AudioInSetInput(input_source);
- PalAudioInSetSampleRate(AUDIOIN, sample_rate);
- PalAudioOutSetSampleRate(AUDIOOUT, sample_rate);
-} /* --- audio_init() --- */
-
-
-#if !USE_RUNFFT
-//TODO: put runfft here!
-/*! @fn macro proc audio_main(audiodata, AUDIOIN, AUDIOOUT);
- *
- * @brief Main audiodriver. This function never returns! It calls the
- * audiohandlers and stores samples into a global array. Once 64
- * Samples are collected it raises a signal AUDIO_READY to let
- * other processes know it's ready. We use quadruple buffering for
- * audio input and double buffering for audio output.
- *
- * @param *audiodata pointer to audio information structure.
- * @param AUDIOIN Audio Input Handler
- * @param AUDIOOUT Audio Output Handler
- *
- * @return Never Returns.
- * @retval void
- */
-macro proc audio_main(audiodata, AUDIOIN, AUDIOOUT) {
- /*
- * Determin the data width for the current platform.
- */
- macro expr IW = PalAudioInGetMaxDataWidthCT();
- macro expr OW = PalAudioOutGetMaxDataWidthCT();
-
- signed IW sample_left_in, sample_right_in;
- signed OW sample_left_out, sample_right_out;
-
- while (TRUE) {
- PalAudioInRead(AUDIOIN, &sample_left_in, &sample_right_in);
-
-/* par {
- sample_add(sample_left_in);
- sample_get(&sample_left_out);
- sample_right_out = sample_right_in;
- }
- if (rotate_samples()) {
- / *
- * 64 Samples have been processed, calculate.
- * /
- }
-*/ PalAudioOutWrite(AUDIOOUT, (signed OW)(sample_left_in @ 0), (signed OW)(sample_right_in @ 0));
- }
-} /* --- audio_main() --- */
-#endif
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