Searched refs:pcm_buffer (Results 1 – 6 of 6) sorted by relevance
| /btstack/example/ |
| H A D | audio_duplex.c | 80 static void audio_recording(const int16_t * pcm_buffer, uint16_t num_samples_to_write){ in audio_recording() argument
82 …int err = btstack_ring_buffer_write(&audio_buffer, (uint8_t *) pcm_buffer, num_samples_to_write * … in audio_recording()
88 static void audio_playback(int16_t * pcm_buffer, uint16_t num_samples_to_write){ in audio_playback() argument
113 *pcm_buffer++ = transfer_buffer[i]; in audio_playback()
114 *pcm_buffer++ = transfer_buffer[i]; in audio_playback()
124 *pcm_buffer++ = transfer_buffer[j++]; in audio_playback()
125 *pcm_buffer++ = transfer_buffer[j++]; in audio_playback()
140 memset(pcm_buffer, 0, num_samples_to_write * 4); in audio_playback()
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| H A D | a2dp_source_demo.c | 380 static void produce_sine_audio(int16_t * pcm_buffer, int num_samples_to_write){ in produce_sine_audio() argument
385 pcm_buffer[count * 2] = sine_int16_44100[sine_phase]; in produce_sine_audio()
386 pcm_buffer[count * 2 + 1] = sine_int16_44100[sine_phase]; in produce_sine_audio()
393 pcm_buffer[count * 2] = sine_int16_48000[sine_phase]; in produce_sine_audio()
394 pcm_buffer[count * 2 + 1] = sine_int16_48000[sine_phase]; in produce_sine_audio()
406 static void produce_mod_audio(int16_t * pcm_buffer, int num_samples_to_write){ in produce_mod_audio() argument
407 hxcmod_fillbuffer(&mod_context, &pcm_buffer[0], num_samples_to_write, &trkbuf); in produce_mod_audio()
410 static void produce_audio(int16_t * pcm_buffer, int num_samples){ in produce_audio() argument
413 produce_sine_audio(pcm_buffer, num_samples); in produce_audio()
416 produce_mod_audio(pcm_buffer, num_samples); in produce_audio()
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| H A D | sine_player.c | 68 static void audio_playback(int16_t * pcm_buffer, uint16_t num_samples_to_write){ in audio_playback() argument
73 pcm_buffer[count * NUM_CHANNELS + channel] = sine_int16[sine_phase]; in audio_playback()
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| /btstack/3rd-party/lc3-google/python/ |
| H A D | lc3.py | 260 pcm_buffer = array.array('f', pcm)
267 pcm_buffer.extend(array.array('f', [0] * padding))
271 pcm_buffer = bytearray(pcm) + bytearray(padding)
279 pcm = (pcm_t * (pcm_len - ich)).from_buffer(pcm_buffer, pcm_offset)
380 pcm_buffer = (pcm_t * pcm_len)()
387 pcm = (pcm_t * (pcm_len - ich)).from_buffer(pcm_buffer, pcm_offset)
399 return array.array('f', pcm_buffer) \
400 if bitdepth is None else bytes(pcm_buffer)
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| /btstack/port/stm32-f4discovery-usb/port/ |
| H A D | hal_audio_f4discovery.c | 242 int16_t * pcm_buffer = input_buffer; in process_pdm() local
246 BSP_AUDIO_IN_PDMToPCM(pdm_half_buffer, (uint16_t *) pcm_buffer); in process_pdm()
248 pcm_buffer += source_pcm_samples_per_ms; in process_pdm()
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| /btstack/port/stm32-f4discovery-cc256x/port/ |
| H A D | hal_audio_f4discovery.c | 242 int16_t * pcm_buffer = input_buffer; in process_pdm() local
246 BSP_AUDIO_IN_PDMToPCM(pdm_half_buffer, (uint16_t *) pcm_buffer); in process_pdm()
248 pcm_buffer += source_pcm_samples_per_ms; in process_pdm()
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