Merge "hal: Add support for stream properties" (ebed202d) · Commits · e / devices / Fairphone 4 / android_hardware_qcom_audio

hal/audio_hw.c

+51 −0

Original line number	Diff line number	Diff line
		@@ -3278,6 +3278,51 @@ static int check_input_parameters(uint32_t sample_rate,
		return ret;
		}


		/** Add a value in a list if not already present.
		* @return true if value was successfully inserted or already present,
		* false if the list is full and does not contain the value.
		*/
		static bool register_uint(uint32_t value, uint32_t* list, size_t list_length) {
		for (size_t i = 0; i < list_length; i++) {
		if (list[i] == value) return true; // value is already present
		if (list[i] == 0) { // no values in this slot
		list[i] = value;
		return true; // value inserted
		}
		}
		return false; // could not insert value
		}

		/** Add channel_mask in supported_channel_masks if not already present.
		* @return true if channel_mask was successfully inserted or already present,
		* false if supported_channel_masks is full and does not contain channel_mask.
		*/
		static void register_channel_mask(audio_channel_mask_t channel_mask,
		audio_channel_mask_t supported_channel_masks[static MAX_SUPPORTED_CHANNEL_MASKS]) {
		ALOGE_IF(!register_uint(channel_mask, supported_channel_masks, MAX_SUPPORTED_CHANNEL_MASKS),
		"%s: stream can not declare supporting its channel_mask %x", __func__, channel_mask);
		}

		/** Add format in supported_formats if not already present.
		* @return true if format was successfully inserted or already present,
		* false if supported_formats is full and does not contain format.
		*/
		static void register_format(audio_format_t format,
		audio_format_t supported_formats[static MAX_SUPPORTED_FORMATS]) {
		ALOGE_IF(!register_uint(format, supported_formats, MAX_SUPPORTED_FORMATS),
		"%s: stream can not declare supporting its format %x", __func__, format);
		}
		/** Add sample_rate in supported_sample_rates if not already present.
		* @return true if sample_rate was successfully inserted or already present,
		* false if supported_sample_rates is full and does not contain sample_rate.
		*/
		static void register_sample_rate(uint32_t sample_rate,
		uint32_t supported_sample_rates[static MAX_SUPPORTED_SAMPLE_RATES]) {
		ALOGE_IF(!register_uint(sample_rate, supported_sample_rates, MAX_SUPPORTED_SAMPLE_RATES),
		"%s: stream can not declare supporting its sample rate %x", __func__, sample_rate);
		}

		static size_t get_input_buffer_size(uint32_t sample_rate,
		audio_format_t format,
		int channel_count,
		@@ -6206,6 +6251,9 @@ int adev_open_output_stream(struct audio_hw_device *dev,
		config->format = out->stream.common.get_format(&out->stream.common);
		config->channel_mask = out->stream.common.get_channels(&out->stream.common);
		config->sample_rate = out->stream.common.get_sample_rate(&out->stream.common);
		register_format(out->format, out->supported_formats);
		register_channel_mask(out->channel_mask, out->supported_channel_masks);
		register_sample_rate(out->sample_rate, out->supported_sample_rates);

		/*
		By locking output stream before registering, we allow the callback
		@@ -7021,6 +7069,9 @@ static int adev_open_input_stream(struct audio_hw_device *dev,
		devices, flags, in->format,
		in->sample_rate, in->bit_width,
		in->profile, &in->app_type_cfg);
		register_format(in->format, in->supported_formats);
		register_channel_mask(in->channel_mask, in->supported_channel_masks);
		register_sample_rate(in->sample_rate, in->supported_sample_rates);

		/* This stream could be for sound trigger lab,
		get sound trigger pcm if present */