diff options
Diffstat (limited to 'audio')
| -rw-r--r-- | audio/audio_hw.c | 685 |
1 files changed, 584 insertions, 101 deletions
diff --git a/audio/audio_hw.c b/audio/audio_hw.c index a26ea14..0a0d9c6 100644 --- a/audio/audio_hw.c +++ b/audio/audio_hw.c @@ -39,6 +39,7 @@ #include "ril_interface.h" + /* Mixer control names */ #define MIXER_DL2_LEFT_EQUALIZER "DL2 Left Equalizer" #define MIXER_DL2_RIGHT_EQUALIZER "DL2 Right Equalizer" @@ -399,6 +400,38 @@ struct route_setting mm_ul2_amic_right[] = { }, }; +/* dual mic configuration with main mic on main channel and sub mic on aux channel. + * Used for handset mode (near talk) */ +struct route_setting mm_ul2_amic_dual_main_sub[] = { + { + .ctl_name = MIXER_MUX_UL10, + .strval = MIXER_AMIC0, + }, + { + .ctl_name = MIXER_MUX_UL11, + .strval = MIXER_AMIC1, + }, + { + .ctl_name = NULL, + }, +}; + +/* dual mic configuration with sub mic on main channel and main mic on aux channel. + * Used for speakerphone mode (far talk) */ +struct route_setting mm_ul2_amic_dual_sub_main[] = { + { + .ctl_name = MIXER_MUX_UL10, + .strval = MIXER_AMIC1, + }, + { + .ctl_name = MIXER_MUX_UL11, + .strval = MIXER_AMIC0, + }, + { + .ctl_name = NULL, + }, +}; + /* VX UL front-end paths */ struct route_setting vx_ul_amic_left[] = { { @@ -527,6 +560,19 @@ struct tuna_stream_out { #define MAX_PREPROCESSORS 3 /* maximum one AGC + one NS + one AEC per input stream */ +struct effect_info_s { + effect_handle_t effect_itfe; + size_t num_channel_configs; + channel_config_t* channel_configs; +}; + +#define NUM_IN_AUX_CNL_CONFIGS 2 +channel_config_t in_aux_cnl_configs[NUM_IN_AUX_CNL_CONFIGS] = { + { AUDIO_CHANNEL_IN_FRONT , AUDIO_CHANNEL_IN_BACK}, + { AUDIO_CHANNEL_IN_STEREO , AUDIO_CHANNEL_IN_RIGHT} +}; + + struct tuna_stream_in { struct audio_stream_in stream; @@ -536,23 +582,33 @@ struct tuna_stream_in { int device; struct resampler_itfe *resampler; struct resampler_buffer_provider buf_provider; - int16_t *buffer; - size_t frames_in; unsigned int requested_rate; int standby; int source; struct echo_reference_itfe *echo_reference; bool need_echo_reference; - effect_handle_t preprocessors[MAX_PREPROCESSORS]; - int num_preprocessors; - int16_t *proc_buf; + + int16_t *read_buf; + size_t read_buf_size; + size_t read_buf_frames; + + int16_t *proc_buf_in; + int16_t *proc_buf_out; size_t proc_buf_size; - size_t proc_frames_in; + size_t proc_buf_frames; + int16_t *ref_buf; size_t ref_buf_size; - size_t ref_frames_in; + size_t ref_buf_frames; + int read_status; + int num_preprocessors; + struct effect_info_s preprocessors[MAX_PREPROCESSORS]; + + bool aux_channels_changed; + uint32_t main_channels; + uint32_t aux_channels; struct tuna_audio_device *dev; }; @@ -567,6 +623,7 @@ static void select_input_device(struct tuna_audio_device *adev); static int adev_set_voice_volume(struct audio_hw_device *dev, float volume); static int do_input_standby(struct tuna_stream_in *in); static int do_output_standby(struct tuna_stream_out *out); +static void in_update_aux_channels(struct tuna_stream_in *in, effect_handle_t effect); /* Returns true on devices that are toro, false otherwise */ static int is_device_toro(void) @@ -740,7 +797,7 @@ static void set_input_volumes(struct tuna_audio_device *adev, int main_mic_on, if (adev->mode == AUDIO_MODE_IN_CALL) { int sub_mic_volume = is_device_toro() ? VOICE_CALL_SUB_MIC_VOLUME_TORO : - VOICE_CALL_SUB_MIC_VOLUME_MAGURO; + VOICE_CALL_SUB_MIC_VOLUME_MAGURO; /* special case: don't look at input source for IN_CALL state */ volume = DB_TO_ABE_GAIN(main_mic_on ? VOICE_CALL_MAIN_MIC_VOLUME : (headset_mic_on ? VOICE_CALL_HEADSET_MIC_VOLUME : @@ -1082,12 +1139,32 @@ static void select_input_device(struct tuna_audio_device *adev) set_route_by_array(adev->mixer, mm_ul2_bt, 1); else { /* Select front end */ - if (main_mic_on || headset_on) - set_route_by_array(adev->mixer, mm_ul2_amic_left, 1); - else if (sub_mic_on) - set_route_by_array(adev->mixer, mm_ul2_amic_right, 1); - else - set_route_by_array(adev->mixer, mm_ul2_amic_left, 0); + + + if ((adev->active_input != 0) && (adev->active_input->aux_channels)) { + ALOGV("select input device(): multi-mic configuration main mic %s sub mic %s", + main_mic_on ? "ON" : "OFF", sub_mic_on ? "ON" : "OFF"); + if (main_mic_on) { + set_route_by_array(adev->mixer, mm_ul2_amic_dual_main_sub, 1); + sub_mic_on = 1; + } + else if (sub_mic_on) { + set_route_by_array(adev->mixer, mm_ul2_amic_dual_sub_main, 1); + main_mic_on = 1; + } + else { + set_route_by_array(adev->mixer, mm_ul2_amic_dual_main_sub, 0); + } + } else { + ALOGV("select input device(): single mic configuration"); + if (main_mic_on || headset_on) + set_route_by_array(adev->mixer, mm_ul2_amic_left, 1); + else if (sub_mic_on) + set_route_by_array(adev->mixer, mm_ul2_amic_right, 1); + else + set_route_by_array(adev->mixer, mm_ul2_amic_left, 0); + } + /* Select back end */ mixer_ctl_set_enum_by_string(adev->mixer_ctls.right_capture, @@ -1485,7 +1562,6 @@ static ssize_t out_write(struct audio_stream_out *stream, const void* buffer, struct tuna_stream_in *in; bool low_power; int kernel_frames; - void *buf; /* If we're in out_write, we will find at least one pcm active */ int primary_pcm = -1; int i; @@ -1645,6 +1721,27 @@ static int start_input_stream(struct tuna_stream_in *in) select_input_device(adev); } + if (in->aux_channels_changed) + { + in->aux_channels_changed = false; + in->config.channels = popcount(in->main_channels | in->aux_channels); + + if (in->resampler) { + /* release and recreate the resampler with the new number of channel of the input */ + release_resampler(in->resampler); + in->resampler = NULL; + ret = create_resampler(in->config.rate, + in->requested_rate, + in->config.channels, + RESAMPLER_QUALITY_DEFAULT, + &in->buf_provider, + &in->resampler); + } + ALOGV("start_input_stream(): New channel configuration, " + "main_channels = [%04x], aux_channels = [%04x], config.channels = %d", + in->main_channels, in->aux_channels, in->config.channels); + } + if (in->need_echo_reference && in->echo_reference == NULL) in->echo_reference = get_echo_reference(adev, AUDIO_FORMAT_PCM_16_BIT, @@ -1660,10 +1757,14 @@ static int start_input_stream(struct tuna_stream_in *in) return -ENOMEM; } + /* force read and proc buf reallocation case of frame size or channel count change */ + in->read_buf_frames = 0; + in->read_buf_size = 0; + in->proc_buf_frames = 0; + in->proc_buf_size = 0; /* if no supported sample rate is available, use the resampler */ if (in->resampler) { in->resampler->reset(in->resampler); - in->frames_in = 0; } return 0; } @@ -1686,14 +1787,14 @@ static size_t in_get_buffer_size(const struct audio_stream *stream) return get_input_buffer_size(in->requested_rate, AUDIO_FORMAT_PCM_16_BIT, - in->config.channels); + popcount(in->main_channels)); } static uint32_t in_get_channels(const struct audio_stream *stream) { struct tuna_stream_in *in = (struct tuna_stream_in *)stream; - return audio_channel_in_mask_from_count(in->config.channels); + return in->main_channels; } static audio_format_t in_get_format(const struct audio_stream *stream) @@ -1782,6 +1883,9 @@ static int in_set_parameters(struct audio_stream *stream, const char *kvpairs) if ((in->device != val) && (val != 0)) { in->device = val; do_standby = true; + /* make sure new device selection is incompatible with multi-mic pre processing + * configuration */ + in_update_aux_channels(in, NULL); } } @@ -1831,8 +1935,9 @@ static void get_capture_delay(struct tuna_stream_in *in, * in current buffer */ /* frames in in->buffer are at driver sampling rate while frames in in->proc_buf are * at requested sampling rate */ - buf_delay = (long)(((int64_t)(in->frames_in) * 1000000000) / in->config.rate + - ((int64_t)(in->proc_frames_in) * 1000000000) / in->requested_rate); + buf_delay = (long)(((int64_t)(in->read_buf_frames) * 1000000000) / in->config.rate + + ((int64_t)(in->proc_buf_frames) * 1000000000) / + in->requested_rate); /* add delay introduced by resampler */ rsmp_delay = 0; @@ -1848,10 +1953,10 @@ static void get_capture_delay(struct tuna_stream_in *in, buffer->delay_ns = delay_ns; ALOGV("get_capture_delay time_stamp = [%ld].[%ld], delay_ns: [%d]," " kernel_delay:[%ld], buf_delay:[%ld], rsmp_delay:[%ld], kernel_frames:[%d], " - "in->frames_in:[%d], in->proc_frames_in:[%d], frames:[%d]", + "in->read_buf_frames:[%d], in->proc_buf_frames:[%d], frames:[%d]", buffer->time_stamp.tv_sec , buffer->time_stamp.tv_nsec, buffer->delay_ns, kernel_delay, buf_delay, rsmp_delay, kernel_frames, - in->frames_in, in->proc_frames_in, frames); + in->read_buf_frames, in->proc_buf_frames, frames); } @@ -1860,31 +1965,32 @@ static int32_t update_echo_reference(struct tuna_stream_in *in, size_t frames) struct echo_reference_buffer b; b.delay_ns = 0; - ALOGV("update_echo_reference, frames = [%d], in->ref_frames_in = [%d], " + ALOGV("update_echo_reference, frames = [%d], in->ref_buf_frames = [%d], " "b.frame_count = [%d]", - frames, in->ref_frames_in, frames - in->ref_frames_in); - if (in->ref_frames_in < frames) { + frames, in->ref_buf_frames, frames - in->ref_buf_frames); + if (in->ref_buf_frames < frames) { if (in->ref_buf_size < frames) { in->ref_buf_size = frames; - in->ref_buf = (int16_t *)realloc(in->ref_buf, - in->ref_buf_size * - in->config.channels * sizeof(int16_t)); + in->ref_buf = (int16_t *)realloc(in->ref_buf, pcm_frames_to_bytes(in->pcm, frames)); + ALOG_ASSERT((in->ref_buf != NULL), + "update_echo_reference() failed to reallocate ref_buf"); + ALOGV("update_echo_reference(): ref_buf %p extended to %d bytes", + in->ref_buf, pcm_frames_to_bytes(in->pcm, frames)); } - - b.frame_count = frames - in->ref_frames_in; - b.raw = (void *)(in->ref_buf + in->ref_frames_in * in->config.channels); + b.frame_count = frames - in->ref_buf_frames; + b.raw = (void *)(in->ref_buf + in->ref_buf_frames * in->config.channels); get_capture_delay(in, frames, &b); if (in->echo_reference->read(in->echo_reference, &b) == 0) { - in->ref_frames_in += b.frame_count; - ALOGV("update_echo_reference: in->ref_frames_in:[%d], " + in->ref_buf_frames += b.frame_count; + ALOGV("update_echo_reference(): in->ref_buf_frames:[%d], " "in->ref_buf_size:[%d], frames:[%d], b.frame_count:[%d]", - in->ref_frames_in, in->ref_buf_size, frames, b.frame_count); + in->ref_buf_frames, in->ref_buf_size, frames, b.frame_count); } } else - ALOGW("update_echo_reference: NOT enough frames to read ref buffer"); + ALOGW("update_echo_reference(): NOT enough frames to read ref buffer"); return b.delay_ns; } @@ -1924,32 +2030,32 @@ static int set_preprocessor_echo_delay(effect_handle_t handle, static void push_echo_reference(struct tuna_stream_in *in, size_t frames) { /* read frames from echo reference buffer and update echo delay - * in->ref_frames_in is updated with frames available in in->ref_buf */ + * in->ref_buf_frames is updated with frames available in in->ref_buf */ int32_t delay_us = update_echo_reference(in, frames)/1000; int i; audio_buffer_t buf; - if (in->ref_frames_in < frames) - frames = in->ref_frames_in; + if (in->ref_buf_frames < frames) + frames = in->ref_buf_frames; buf.frameCount = frames; buf.raw = in->ref_buf; for (i = 0; i < in->num_preprocessors; i++) { - if ((*in->preprocessors[i])->process_reverse == NULL) + if ((*in->preprocessors[i].effect_itfe)->process_reverse == NULL) continue; - (*in->preprocessors[i])->process_reverse(in->preprocessors[i], + (*in->preprocessors[i].effect_itfe)->process_reverse(in->preprocessors[i].effect_itfe, &buf, NULL); - set_preprocessor_echo_delay(in->preprocessors[i], delay_us); + set_preprocessor_echo_delay(in->preprocessors[i].effect_itfe, delay_us); } - in->ref_frames_in -= buf.frameCount; - if (in->ref_frames_in) { + in->ref_buf_frames -= buf.frameCount; + if (in->ref_buf_frames) { memcpy(in->ref_buf, in->ref_buf + buf.frameCount * in->config.channels, - in->ref_frames_in * in->config.channels * sizeof(int16_t)); + in->ref_buf_frames * in->config.channels * sizeof(int16_t)); } } @@ -1971,23 +2077,31 @@ static int get_next_buffer(struct resampler_buffer_provider *buffer_provider, return -ENODEV; } - if (in->frames_in == 0) { - in->read_status = pcm_read(in->pcm, - (void*)in->buffer, - in->config.period_size * - audio_stream_frame_size(&in->stream.common)); + if (in->read_buf_frames == 0) { + size_t size_in_bytes = pcm_frames_to_bytes(in->pcm, in->config.period_size); + if (in->read_buf_size < in->config.period_size) { + in->read_buf_size = in->config.period_size; + in->read_buf = (int16_t *) realloc(in->read_buf, size_in_bytes); + ALOG_ASSERT((in->read_buf != NULL), + "get_next_buffer() failed to reallocate read_buf"); + ALOGV("get_next_buffer(): read_buf %p extended to %d bytes", + in->read_buf, size_in_bytes); + } + + in->read_status = pcm_read(in->pcm, (void*)in->read_buf, size_in_bytes); + if (in->read_status != 0) { ALOGE("get_next_buffer() pcm_read error %d", in->read_status); buffer->raw = NULL; buffer->frame_count = 0; return in->read_status; } - in->frames_in = in->config.period_size; + in->read_buf_frames = in->config.period_size; } - buffer->frame_count = (buffer->frame_count > in->frames_in) ? - in->frames_in : buffer->frame_count; - buffer->i16 = in->buffer + (in->config.period_size - in->frames_in) * + buffer->frame_count = (buffer->frame_count > in->read_buf_frames) ? + in->read_buf_frames : buffer->frame_count; + buffer->i16 = in->read_buf + (in->config.period_size - in->read_buf_frames) * in->config.channels; return in->read_status; @@ -2005,7 +2119,7 @@ static void release_buffer(struct resampler_buffer_provider *buffer_provider, in = (struct tuna_stream_in *)((char *)buffer_provider - offsetof(struct tuna_stream_in, buf_provider)); - in->frames_in -= buffer->frame_count; + in->read_buf_frames -= buffer->frame_count; } /* read_frames() reads frames from kernel driver, down samples to capture rate @@ -2018,9 +2132,10 @@ static ssize_t read_frames(struct tuna_stream_in *in, void *buffer, ssize_t fram size_t frames_rd = frames - frames_wr; if (in->resampler != NULL) { in->resampler->resample_from_provider(in->resampler, - (int16_t *)((char *)buffer + - frames_wr * audio_stream_frame_size(&in->stream.common)), - &frames_rd); + (int16_t *)((char *)buffer + + pcm_frames_to_bytes(in->pcm ,frames_wr)), + &frames_rd); + } else { struct resampler_buffer buf = { { raw : NULL, }, @@ -2029,9 +2144,9 @@ static ssize_t read_frames(struct tuna_stream_in *in, void *buffer, ssize_t fram get_next_buffer(&in->buf_provider, &buf); if (buf.raw != NULL) { memcpy((char *)buffer + - frames_wr * audio_stream_frame_size(&in->stream.common), + pcm_frames_to_bytes(in->pcm, frames_wr), buf.raw, - buf.frame_count * audio_stream_frame_size(&in->stream.common)); + pcm_frames_to_bytes(in->pcm, buf.frame_count)); frames_rd = buf.frame_count; } release_buffer(&in->buf_provider, &buf); @@ -2055,66 +2170,127 @@ static ssize_t process_frames(struct tuna_stream_in *in, void* buffer, ssize_t f audio_buffer_t in_buf; audio_buffer_t out_buf; int i; + bool has_aux_channels = (~in->main_channels & in->aux_channels); + void *proc_buf_out; + if (has_aux_channels) + proc_buf_out = in->proc_buf_out; + else + proc_buf_out = buffer; + + /* since all the processing below is done in frames and using the config.channels + * as the number of channels, no changes is required in case aux_channels are present */ while (frames_wr < frames) { /* first reload enough frames at the end of process input buffer */ - if (in->proc_frames_in < (size_t)frames) { + if (in->proc_buf_frames < (size_t)frames) { ssize_t frames_rd; if (in->proc_buf_size < (size_t)frames) { + size_t size_in_bytes = pcm_frames_to_bytes(in->pcm, frames); + in->proc_buf_size = (size_t)frames; - in->proc_buf = (int16_t *)realloc(in->proc_buf, - in->proc_buf_size * - in->config.channels * sizeof(int16_t)); - ALOGV("process_frames(): in->proc_buf %p size extended to %d frames", - in->proc_buf, in->proc_buf_size); + in->proc_buf_in = (int16_t *)realloc(in->proc_buf_in, size_in_bytes); + ALOG_ASSERT((in->proc_buf_in != NULL), + "process_frames() failed to reallocate proc_buf_in"); + if (has_aux_channels) { + in->proc_buf_out = (int16_t *)realloc(in->proc_buf_out, size_in_bytes); + ALOG_ASSERT((in->proc_buf_out != NULL), + "process_frames() failed to reallocate proc_buf_out"); + proc_buf_out = in->proc_buf_out; + } + ALOGV("process_frames(): proc_buf_in %p extended to %d bytes", + in->proc_buf_in, size_in_bytes); } frames_rd = read_frames(in, - in->proc_buf + - in->proc_frames_in * in->config.channels, - frames - in->proc_frames_in); + in->proc_buf_in + + in->proc_buf_frames * in->config.channels, + frames - in->proc_buf_frames); if (frames_rd < 0) { frames_wr = frames_rd; break; } - in->proc_frames_in += frames_rd; + in->proc_buf_frames += frames_rd; } if (in->echo_reference != NULL) - push_echo_reference(in, in->proc_frames_in); + push_echo_reference(in, in->proc_buf_frames); /* in_buf.frameCount and out_buf.frameCount indicate respectively * the maximum number of frames to be consumed and produced by process() */ - in_buf.frameCount = in->proc_frames_in; - in_buf.s16 = in->proc_buf; + in_buf.frameCount = in->proc_buf_frames; + in_buf.s16 = in->proc_buf_in; out_buf.frameCount = frames - frames_wr; - out_buf.s16 = (int16_t *)buffer + frames_wr * in->config.channels; - - for (i = 0; i < in->num_preprocessors; i++) - (*in->preprocessors[i])->process(in->preprocessors[i], + out_buf.s16 = (int16_t *)proc_buf_out + frames_wr * in->config.channels; + + /* FIXME: this works because of current pre processing library implementation that + * does the actual process only when the last enabled effect process is called. + * The generic solution is to have an output buffer for each effect and pass it as + * input to the next. + */ + for (i = 0; i < in->num_preprocessors; i++) { + (*in->preprocessors[i].effect_itfe)->process(in->preprocessors[i].effect_itfe, &in_buf, &out_buf); + } /* process() has updated the number of frames consumed and produced in * in_buf.frameCount and out_buf.frameCount respectively - * move remaining frames to the beginning of in->proc_buf */ - in->proc_frames_in -= in_buf.frameCount; - if (in->proc_frames_in) { - memcpy(in->proc_buf, - in->proc_buf + in_buf.frameCount * in->config.channels, - in->proc_frames_in * in->config.channels * sizeof(int16_t)); + * move remaining frames to the beginning of in->proc_buf_in */ + in->proc_buf_frames -= in_buf.frameCount; + + if (in->proc_buf_frames) { + memcpy(in->proc_buf_in, + in->proc_buf_in + in_buf.frameCount * in->config.channels, + in->proc_buf_frames * in->config.channels * sizeof(int16_t)); } /* if not enough frames were passed to process(), read more and retry. */ - if (out_buf.frameCount == 0) + if (out_buf.frameCount == 0) { + ALOGW("No frames produced by preproc"); continue; + } - frames_wr += out_buf.frameCount; + if ((frames_wr + (ssize_t)out_buf.frameCount) <= frames) { + frames_wr += out_buf.frameCount; + } else { + /* The effect does not comply to the API. In theory, we should never end up here! */ + ALOGE("preprocessing produced too many frames: %d + %d > %d !", + (unsigned int)frames_wr, out_buf.frameCount, (unsigned int)frames); + frames_wr = frames; + } + } + + /* Remove aux_channels that have been added on top of main_channels + * Assumption is made that the channels are interleaved and that the main + * channels are first. */ + if (has_aux_channels) + { + size_t src_channels = in->config.channels; + size_t dst_channels = popcount(in->main_channels); + int16_t* src_buffer = (int16_t *)proc_buf_out; + int16_t* dst_buffer = (int16_t *)buffer; + + if (dst_channels == 1) { + for (i = frames_wr; i > 0; i--) + { + *dst_buffer++ = *src_buffer; + src_buffer += src_channels; + } + } else { + for (i = frames_wr; i > 0; i--) + { + memcpy(dst_buffer, src_buffer, dst_channels*sizeof(int16_t)); + dst_buffer += dst_channels; + src_buffer += src_channels; + } + } } + return frames_wr; } static ssize_t in_read(struct audio_stream_in *stream, void* buffer, + size_t bytes) { int ret = 0; @@ -2165,6 +2341,284 @@ static uint32_t in_get_input_frames_lost(struct audio_stream_in *stream) return 0; } +#define GET_COMMAND_STATUS(status, fct_status, cmd_status) \ + do { \ + if (fct_status != 0) \ + status = fct_status; \ + else if (cmd_status != 0) \ + status = cmd_status; \ + } while(0) + +static int in_configure_reverse(struct tuna_stream_in *in) +{ + int32_t cmd_status; + uint32_t size = sizeof(int); + effect_config_t config; + int32_t status = 0; + int32_t fct_status = 0; + int i; + + if (in->num_preprocessors > 0) { + config.inputCfg.channels = in->main_channels; + config.outputCfg.channels = in->main_channels; + config.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT; + config.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT; + config.inputCfg.samplingRate = in->requested_rate; + config.outputCfg.samplingRate = in->requested_rate; + config.inputCfg.mask = + ( EFFECT_CONFIG_SMP_RATE | EFFECT_CONFIG_CHANNELS | EFFECT_CONFIG_FORMAT ); + config.outputCfg.mask = + ( EFFECT_CONFIG_SMP_RATE | EFFECT_CONFIG_CHANNELS | EFFECT_CONFIG_FORMAT ); + + for (i = 0; i < in->num_preprocessors; i++) + { + if ((*in->preprocessors[i].effect_itfe)->process_reverse == NULL) + continue; + fct_status = (*(in->preprocessors[i].effect_itfe))->command( + in->preprocessors[i].effect_itfe, + EFFECT_CMD_SET_CONFIG_REVERSE, + sizeof(effect_config_t), + &config, + &size, + &cmd_status); + GET_COMMAND_STATUS(status, fct_status, cmd_status); + } + } + return status; +} + +#define MAX_NUM_CHANNEL_CONFIGS 10 + +static void in_read_audio_effect_channel_configs(struct tuna_stream_in *in, + struct effect_info_s *effect_info) +{ + /* size and format of the cmd are defined in hardware/audio_effect.h */ + effect_handle_t effect = effect_info->effect_itfe; + uint32_t cmd_size = 2 * sizeof(uint32_t); + uint32_t cmd[] = { EFFECT_FEATURE_AUX_CHANNELS, MAX_NUM_CHANNEL_CONFIGS }; + /* reply = status + number of configs (n) + n x channel_config_t */ + uint32_t reply_size = + 2 * sizeof(uint32_t) + (MAX_NUM_CHANNEL_CONFIGS * sizeof(channel_config_t)); + int32_t reply[reply_size]; + int32_t cmd_status; + + ALOG_ASSERT((effect_info->num_channel_configs == 0), + "in_read_audio_effect_channel_configs() num_channel_configs not cleared"); + ALOG_ASSERT((effect_info->channel_configs == NULL), + "in_read_audio_effect_channel_configs() channel_configs not cleared"); + + /* if this command is not supported, then the effect is supposed to return -EINVAL. + * This error will be interpreted as if the effect supports the main_channels but does not + * support any aux_channels */ + cmd_status = (*effect)->command(effect, + EFFECT_CMD_GET_FEATURE_SUPPORTED_CONFIGS, + cmd_size, + (void*)&cmd, + &reply_size, + (void*)&reply); + + if (cmd_status != 0) { + ALOGV("in_read_audio_effect_channel_configs(): " + "fx->command returned %d", cmd_status); + return; + } + + if (reply[0] != 0) { + ALOGW("in_read_audio_effect_channel_configs(): " + "command EFFECT_CMD_GET_FEATURE_SUPPORTED_CONFIGS error %d num configs %d", + reply[0], (reply[0] == -ENOMEM) ? reply[1] : MAX_NUM_CHANNEL_CONFIGS); + return; + } + + /* the feature is not supported */ + ALOGV("in_read_audio_effect_channel_configs()(): " + "Feature supported and adding %d channel configs to the list", reply[1]); + effect_info->num_channel_configs = reply[1]; + effect_info->channel_configs = + (channel_config_t *) malloc(sizeof(channel_config_t) * reply[1]); /* n x configs */ + memcpy(effect_info->channel_configs, (reply + 2), sizeof(channel_config_t) * reply[1]); +} + + +static uint32_t in_get_aux_channels(struct tuna_stream_in *in) +{ + int i; + channel_config_t new_chcfg = {0, 0}; + + if (in->num_preprocessors == 0) + return 0; + + /* do not enable dual mic configurations when capturing from other microphones than + * main or sub */ + if (!(in->device & (AUDIO_DEVICE_IN_BUILTIN_MIC | AUDIO_DEVICE_IN_BACK_MIC))) + return 0; + + /* retain most complex aux channels configuration compatible with requested main channels and + * supported by audio driver and all pre processors */ + for (i = 0; i < NUM_IN_AUX_CNL_CONFIGS; i++) { + channel_config_t *cur_chcfg = &in_aux_cnl_configs[i]; + if (cur_chcfg->main_channels == in->main_channels) { + size_t match_cnt; + size_t idx_preproc; + for (idx_preproc = 0, match_cnt = 0; + /* no need to continue if at least one preprocessor doesn't match */ + idx_preproc < (size_t)in->num_preprocessors && match_cnt == idx_preproc; + idx_preproc++) { + struct effect_info_s *effect_info = &in->preprocessors[idx_preproc]; + size_t idx_chcfg; + + for (idx_chcfg = 0; idx_chcfg < effect_info->num_channel_configs; idx_chcfg++) { + if (memcmp(effect_info->channel_configs + idx_chcfg, + cur_chcfg, + sizeof(channel_config_t)) == 0) { + match_cnt++; + break; + } + } + } + /* if all preprocessors match, we have a candidate */ + if (match_cnt == (size_t)in->num_preprocessors) { + /* retain most complex aux channels configuration */ + if (popcount(cur_chcfg->aux_channels) > popcount(new_chcfg.aux_channels)) { + new_chcfg = *cur_chcfg; + } + } + } + } + + ALOGV("in_get_aux_channels(): return %04x", new_chcfg.aux_channels); + + return new_chcfg.aux_channels; +} + +static int in_configure_effect_channels(effect_handle_t effect, + channel_config_t *channel_config) +{ + int status = 0; + int fct_status; + int32_t cmd_status; + uint32_t reply_size; + effect_config_t config; + uint32_t cmd[(sizeof(uint32_t) + sizeof(channel_config_t) - 1) / sizeof(uint32_t) + 1]; + + ALOGV("in_configure_effect_channels(): configure effect with channels: [%04x][%04x]", + channel_config->main_channels, + channel_config->aux_channels); + + config.inputCfg.mask = EFFECT_CONFIG_CHANNELS; + config.outputCfg.mask = EFFECT_CONFIG_CHANNELS; + reply_size = sizeof(effect_config_t); + fct_status = (*effect)->command(effect, + EFFECT_CMD_GET_CONFIG, + 0, + NULL, + &reply_size, + &config); + if (fct_status != 0) { + ALOGE("in_configure_effect_channels(): EFFECT_CMD_GET_CONFIG failed"); + return fct_status; + } + + config.inputCfg.channels = channel_config->main_channels | channel_config->aux_channels; + config.outputCfg.channels = config.inputCfg.channels; + reply_size = sizeof(uint32_t); + fct_status = (*effect)->command(effect, + EFFECT_CMD_SET_CONFIG, + sizeof(effect_config_t), + &config, + &reply_size, + &cmd_status); + GET_COMMAND_STATUS(status, fct_status, cmd_status); + + cmd[0] = EFFECT_FEATURE_AUX_CHANNELS; + memcpy(cmd + 1, channel_config, sizeof(channel_config_t)); + reply_size = sizeof(uint32_t); + fct_status = (*effect)->command(effect, + EFFECT_CMD_SET_FEATURE_CONFIG, + sizeof(cmd), //sizeof(uint32_t) + sizeof(channel_config_t), + cmd, + &reply_size, + &cmd_status); + GET_COMMAND_STATUS(status, fct_status, cmd_status); + + /* some implementations need to be re-enabled after a config change */ + reply_size = sizeof(uint32_t); + fct_status = (*effect)->command(effect, + EFFECT_CMD_ENABLE, + 0, + NULL, + &reply_size, + &cmd_status); + GET_COMMAND_STATUS(status, fct_status, cmd_status); + + return status; +} + +static int in_reconfigure_channels(struct tuna_stream_in *in, + effect_handle_t effect, + channel_config_t *channel_config, + bool config_changed) { + + int status = 0; + + ALOGV("in_reconfigure_channels(): config_changed %d effect %p", + config_changed, effect); + + /* if config changed, reconfigure all previously added effects */ + if (config_changed) { + int i; + for (i = 0; i < in->num_preprocessors; i++) + { + int cur_status = in_configure_effect_channels(in->preprocessors[i].effect_itfe, + channel_config); + if (cur_status != 0) { + ALOGV("in_reconfigure_channels(): error %d configuring effect " + "%d with channels: [%04x][%04x]", + cur_status, + i, + channel_config->main_channels, + channel_config->aux_channels); + status = cur_status; + } + } + } else if (effect != NULL && channel_config->aux_channels) { + /* if aux channels config did not change but aux channels are present, + * we still need to configure the effect being added */ + status = in_configure_effect_channels(effect, channel_config); + } + return status; +} + +static void in_update_aux_channels(struct tuna_stream_in *in, + effect_handle_t effect) +{ + uint32_t aux_channels; + channel_config_t channel_config; + int status; + + aux_channels = in_get_aux_channels(in); + + channel_config.main_channels = in->main_channels; + channel_config.aux_channels = aux_channels; + status = in_reconfigure_channels(in, + effect, + &channel_config, + (aux_channels != in->aux_channels)); + + if (status != 0) { + ALOGV("in_update_aux_channels(): in_reconfigure_channels error %d", status); + /* resetting aux channels configuration */ + aux_channels = 0; + channel_config.aux_channels = 0; + in_reconfigure_channels(in, effect, &channel_config, true); + } + if (in->aux_channels != aux_channels) { + in->aux_channels_changed = true; + in->aux_channels = aux_channels; + do_input_standby(in); + } +} + static int in_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect) { @@ -2183,15 +2637,26 @@ static int in_add_audio_effect(const struct audio_stream *stream, if (status != 0) goto exit; - in->preprocessors[in->num_preprocessors++] = effect; + in->preprocessors[in->num_preprocessors].effect_itfe = effect; + /* add the supported channel of the effect in the channel_configs */ + in_read_audio_effect_channel_configs(in, &in->preprocessors[in->num_preprocessors]); + + in->num_preprocessors++; + + /* check compatibility between main channel supported and possible auxiliary channels */ + in_update_aux_channels(in, effect); + + ALOGV("in_add_audio_effect(), effect type: %08x", desc.type.timeLow); if (memcmp(&desc.type, FX_IID_AEC, sizeof(effect_uuid_t)) == 0) { in->need_echo_reference = true; do_input_standby(in); + in_configure_reverse(in); } exit: + ALOGW_IF(status != 0, "in_add_audio_effect() error %d", status); pthread_mutex_unlock(&in->lock); pthread_mutex_unlock(&in->dev->lock); return status; @@ -2203,7 +2668,6 @@ static int in_remove_audio_effect(const struct audio_stream *stream, struct tuna_stream_in *in = (struct tuna_stream_in *)stream; int i; int status = -EINVAL; - bool found = false; effect_descriptor_t desc; pthread_mutex_lock(&in->dev->lock); @@ -2214,14 +2678,17 @@ static int in_remove_audio_effect(const struct audio_stream *stream, } for (i = 0; i < in->num_preprocessors; i++) { - if (found) { - in->preprocessors[i - 1] = in->preprocessors[i]; + if (status == 0) { /* status == 0 means an effect was removed from a previous slot */ + in->preprocessors[i - 1].effect_itfe = in->preprocessors[i].effect_itfe; + in->preprocessors[i - 1].channel_configs = in->preprocessors[i].channel_configs; + in->preprocessors[i - 1].num_channel_configs = in->preprocessors[i].num_channel_configs; + ALOGV("in_remove_audio_effect moving fx from %d to %d", i, i - 1); continue; } - if (in->preprocessors[i] == effect) { - in->preprocessors[i] = NULL; + if (in->preprocessors[i].effect_itfe == effect) { + ALOGV("in_remove_audio_effect found fx at index %d", i); + free(in->preprocessors[i].channel_configs); status = 0; - found = true; } } @@ -2229,10 +2696,21 @@ static int in_remove_audio_effect(const struct audio_stream *stream, goto exit; in->num_preprocessors--; + /* if we remove one effect, at least the last preproc should be reset */ + in->preprocessors[in->num_preprocessors].num_channel_configs = 0; + in->preprocessors[in->num_preprocessors].effect_itfe = NULL; + in->preprocessors[in->num_preprocessors].channel_configs = NULL; + + + /* check compatibility between main channel supported and possible auxiliary channels */ + in_update_aux_channels(in, NULL); status = (*effect)->get_descriptor(effect, &desc); if (status != 0) goto exit; + + ALOGV("in_remove_audio_effect(), effect type: %08x", desc.type.timeLow); + if (memcmp(&desc.type, FX_IID_AEC, sizeof(effect_uuid_t)) == 0) { in->need_echo_reference = false; do_input_standby(in); @@ -2240,6 +2718,7 @@ static int in_remove_audio_effect(const struct audio_stream *stream, exit: + ALOGW_IF(status != 0, "in_remove_audio_effect() error %d", status); pthread_mutex_unlock(&in->lock); pthread_mutex_unlock(&in->dev->lock); return status; @@ -2487,12 +2966,10 @@ static int adev_open_input_stream(struct audio_hw_device *dev, uint32_t devices, memcpy(&in->config, &pcm_config_mm_ul, sizeof(pcm_config_mm_ul)); in->config.channels = channel_count; - in->buffer = malloc(in->config.period_size * - audio_stream_frame_size(&in->stream.common)); - if (!in->buffer) { - ret = -ENOMEM; - goto err; - } + in->main_channels = *channel_mask; + + /* initialisation of preprocessor structure array is implicit with the calloc. + * same for in->aux_channels and in->aux_channels_changed */ if (in->requested_rate != in->config.rate) { in->buf_provider.get_next_buffer = get_next_buffer; @@ -2518,7 +2995,6 @@ static int adev_open_input_stream(struct audio_hw_device *dev, uint32_t devices, return 0; err: - free(in->buffer); if (in->resampler) release_resampler(in->resampler); @@ -2531,15 +3007,22 @@ static void adev_close_input_stream(struct audio_hw_device *dev, struct audio_stream_in *stream) { struct tuna_stream_in *in = (struct tuna_stream_in *)stream; + int i; in_standby(&stream->common); - free(in->buffer); + for (i = 0; i < in->num_preprocessors; i++) { + free(in->preprocessors[i].channel_configs); + } + + free(in->read_buf); if (in->resampler) { release_resampler(in->resampler); } - if (in->proc_buf) - free(in->proc_buf); + if (in->proc_buf_in) + free(in->proc_buf_in); + if (in->proc_buf_out) + free(in->proc_buf_out); if (in->ref_buf) free(in->ref_buf); |