Merge "hal: Limit multichannel clips >48khz to 48Khz" (4267f979) · Commits · e / devices / Fairphone 4 / android_hardware_qcom_audio

hal/audio_extn/audio_extn.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -441,6 +441,7 @@ void audio_extn_utils_update_stream_app_type_cfg(void *platform,
		audio_format_t format,
		uint32_t sample_rate,
		uint32_t bit_width,
		audio_channel_mask_t channel_mask,
		struct stream_app_type_cfg *app_type_cfg);
		int audio_extn_utils_send_app_type_cfg(struct audio_usecase *usecase);
		void audio_extn_utils_send_audio_calibration(struct audio_device *adev,

hal/audio_extn/utils.c

+21 −0

Original line number	Diff line number	Diff line
		@@ -480,12 +480,14 @@ void audio_extn_utils_update_stream_app_type_cfg(void *platform,
		audio_format_t format,
		uint32_t sample_rate,
		uint32_t bit_width,
		audio_channel_mask_t channel_mask,
		struct stream_app_type_cfg *app_type_cfg)
		{
		struct listnode node_i, node_j, *node_k;
		struct streams_output_cfg *so_info;
		struct stream_format *sf_info;
		struct stream_sample_rate *ss_info;
		char value[PROPERTY_VALUE_MAX] = {0};

		if ((24 == bit_width) &&
		(devices & AUDIO_DEVICE_OUT_SPEAKER)) {
		@@ -496,6 +498,16 @@ void audio_extn_utils_update_stream_app_type_cfg(void *platform,
		ALOGI("%s Allowing 24-bit playback on speaker ONLY at default sampling rate", __func__);
		}

		property_get("audio.playback.mch.downsample",value,"");
		if (!strncmp("true", value, sizeof("true"))) {
		if ((popcount(channel_mask) > 2) &&
		(sample_rate > CODEC_BACKEND_DEFAULT_SAMPLE_RATE) &&
		!(flags & AUDIO_OUTPUT_FLAG_COMPRESS_PASSTHROUGH)) {
		sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
		ALOGD("%s: MCH session defaulting sample rate to %d",
		__func__, sample_rate);
		}
		}
		ALOGV("%s: flags: %x, format: %x sample_rate %d",
		__func__, flags, format, sample_rate);
		list_for_each(node_i, streams_output_cfg_list) {
		@@ -537,6 +549,7 @@ int audio_extn_utils_send_app_type_cfg(struct audio_usecase *usecase)
		struct mixer_ctl *ctl;
		int pcm_device_id, acdb_dev_id, snd_device = usecase->out_snd_device;
		int32_t sample_rate = DEFAULT_OUTPUT_SAMPLING_RATE;
		char value[PROPERTY_VALUE_MAX] = {0};

		ALOGV("%s", __func__);

		@@ -589,6 +602,14 @@ int audio_extn_utils_send_app_type_cfg(struct audio_usecase *usecase)
		}
		sample_rate = out->app_type_cfg.sample_rate;

		property_get("audio.playback.mch.downsample",value,"");
		if (!strncmp("true", value, sizeof("true"))) {
		if ((popcount(out->channel_mask) > 2) &&
		(out->sample_rate > CODEC_BACKEND_DEFAULT_SAMPLE_RATE) &&
		!(out->flags & AUDIO_OUTPUT_FLAG_COMPRESS_PASSTHROUGH))
		sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
		}

		app_type_cfg[len++] = out->app_type_cfg.app_type;
		app_type_cfg[len++] = acdb_dev_id;
		if (((out->format == AUDIO_FORMAT_E_AC3) \|\|

hal/audio_hw.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1001,6 +1001,7 @@ int select_devices(struct audio_device *adev, audio_usecase_t uc_id)
		usecase->stream.out->format,
		usecase->stream.out->sample_rate,
		usecase->stream.out->bit_width,
		usecase->stream.out->channel_mask,
		&usecase->stream.out->app_type_cfg);
		ALOGI("%s Selected apptype: %d", __func__, usecase->stream.out->app_type_cfg.app_type);
		}
		@@ -3112,7 +3113,8 @@ static int adev_open_output_stream(struct audio_hw_device *dev,
		audio_extn_utils_update_stream_app_type_cfg(adev->platform,
		&adev->streams_output_cfg_list,
		devices, flags, format, out->sample_rate,
		out->bit_width, &out->app_type_cfg);
		out->bit_width, out->channel_mask,
		&out->app_type_cfg);
		if ((out->usecase == USECASE_AUDIO_PLAYBACK_PRIMARY) \|\|
		(flags & AUDIO_OUTPUT_FLAG_PRIMARY)) {
		/* Ensure the default output is not selected twice */

hal/msm8916/platform.c

+16 −0

Original line number	Diff line number	Diff line
		@@ -4046,6 +4046,22 @@ bool platform_check_codec_backend_cfg(struct audio_device* adev,
		if (!is_external_codec)
		sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;

		//check if mulitchannel clip needs to be down sampled to 48k
		property_get("audio.playback.mch.downsample",value,"");
		if (!strncmp("true", value, sizeof("true"))) {
		out = usecase->stream.out;
		if ((popcount(out->channel_mask) > 2) &&
		(out->sample_rate > CODEC_BACKEND_DEFAULT_SAMPLE_RATE) &&
		!(out->flags & AUDIO_OUTPUT_FLAG_COMPRESS_PASSTHROUGH)) {
		sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE;
		/* update out sample rate to reflect current backend sample rate */
		out->sample_rate = sample_rate;
		ALOGD("%s: MCH session defaulting sample rate to %d",
		__func__, sample_rate);
		}
		}



		ALOGI("%s Codec selected backend: %d updated bit width: %d and sample rate: %d",
		__func__, backend_idx, bit_width, sample_rate);