86 static int get_pcm_timestamp(struct pcm* pcm, uint32_t sample_rate, struct aec_info* info,  in get_pcm_timestamp()  argument
89     if (pcm_get_htimestamp(pcm, &info->available, &info->timestamp) < 0) {  in get_pcm_timestamp()
97         frames = pcm_get_buffer_size(pcm) - info->available;  in get_pcm_timestamp()
171         out->pcm = pcm_open(CARD_OUT, out_port, PCM_OUT | PCM_MONOTONIC, &out->config);  in start_output_stream()
172         if ((out->pcm != NULL) && pcm_is_ready(out->pcm)) {  in start_output_stream()
175             ALOGE("cannot open pcm_out driver: %s", pcm_get_error(out->pcm));  in start_output_stream()
176             if (out->pcm != NULL) {  in start_output_stream()
177                 pcm_close(out->pcm);  in start_output_stream()
178                 out->pcm = NULL;  in start_output_stream()
242         pcm_close(out->pcm);  in do_output_standby()
243         out->pcm = NULL;  in do_output_standby()
352     ret = pcm_write(out->pcm, buffer, out_frames * frame_size);  in out_write()
357         get_pcm_timestamp(out->pcm, out->config.rate, &info, true /*isOutput*/);  in out_write()
431         in->pcm = pcm_open(CARD_IN, PORT_BUILTIN_MIC, PCM_IN | PCM_MONOTONIC, &in->config);  in start_input_stream()
432         if ((in->pcm != NULL) && pcm_is_ready(in->pcm)) {  in start_input_stream()
435             ALOGE("cannot open pcm_in driver: %s", pcm_get_error(in->pcm));  in start_input_stream()
436             if (in->pcm != NULL) {  in start_input_stream()
437                 pcm_close(in->pcm);  in start_input_stream()
438                 in->pcm = NULL;  in start_input_stream()
552         pcm_close(in->pcm);  in do_input_standby()
553         in->pcm = NULL;  in do_input_standby()
695     ret = pcm_read(in->pcm, buffer, in_frames * frame_size);  in in_read()
697     get_pcm_timestamp(in->pcm, in->config.rate, &info, false /*isOutput*/);  in in_read()