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Diffstat (limited to 'modules/usbaudio/alsa_device_profile.h')
-rw-r--r-- | modules/usbaudio/alsa_device_profile.h | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/modules/usbaudio/alsa_device_profile.h b/modules/usbaudio/alsa_device_profile.h deleted file mode 100644 index 2c0da39..0000000 --- a/modules/usbaudio/alsa_device_profile.h +++ /dev/null @@ -1,90 +0,0 @@ -/* - * Copyright (C) 2014 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef ANDROID_HARDWARE_LIBHARDWARE_MODULES_USBAUDIO_ALSA_DEVICE_PROFILE_H -#define ANDROID_HARDWARE_LIBHARDWARE_MODULES_USBAUDIO_ALSA_DEVICE_PROFILE_H - -#include <stdbool.h> - -#include <tinyalsa/asoundlib.h> - -#define MAX_PROFILE_FORMATS 6 /* We long support the 5 standard formats defined - * in asound.h, so we just need this to be 1 more - * than that */ -#define MAX_PROFILE_SAMPLE_RATES 10 /* this number needs to be 1 more than the number of - * standard formats in std_sample_rates[] - * (in alsa_device_profile.c) */ -#define MAX_PROFILE_CHANNEL_COUNTS 5 /* this number need to be 1 more than the number of - * standard channel formats in std_channel_counts[] - * (in alsa_device_profile.c) */ - -#define DEFAULT_SAMPLE_RATE 44100 -#define DEFAULT_SAMPLE_FORMAT PCM_FORMAT_S16_LE -#define DEFAULT_CHANNEL_COUNT 2 - -typedef struct { - int card; - int device; - int direction; /* PCM_OUT or PCM_IN */ - - enum pcm_format formats[MAX_PROFILE_FORMATS]; - - unsigned sample_rates[MAX_PROFILE_SAMPLE_RATES]; - - unsigned channel_counts[MAX_PROFILE_CHANNEL_COUNTS]; - - bool is_valid; - - /* read from the hardware device */ - struct pcm_config default_config; - - unsigned min_period_size; - unsigned max_period_size; - - unsigned min_channel_count; - unsigned max_channel_count; -} alsa_device_profile; - -void profile_init(alsa_device_profile* profile, int direction); -bool profile_is_initialized(alsa_device_profile* profile); -bool profile_is_valid(alsa_device_profile* profile); -bool profile_is_cached_for(alsa_device_profile* profile, int card, int device); -void profile_decache(alsa_device_profile* profile); - -bool profile_read_device_info(alsa_device_profile* profile); - -/* Audio Config Strings Methods */ -char * profile_get_sample_rate_strs(alsa_device_profile* profile); -char * profile_get_format_strs(alsa_device_profile* profile); -char * profile_get_channel_count_strs(alsa_device_profile* profile); - -/* Sample Rate Methods */ -unsigned profile_get_default_sample_rate(alsa_device_profile* profile); -bool profile_is_sample_rate_valid(alsa_device_profile* profile, unsigned rate); - -/* Format Methods */ -enum pcm_format profile_get_default_format(alsa_device_profile* profile); -bool profile_is_format_valid(alsa_device_profile* profile, enum pcm_format fmt); - -/* Channel Methods */ -unsigned profile_get_default_channel_count(alsa_device_profile* profile); -bool profile_is_channel_count_valid(alsa_device_profile* profile, unsigned count); - -/* Utility */ -unsigned profile_calc_min_period_size(alsa_device_profile* profile, unsigned sample_rate); -unsigned int profile_get_period_size(alsa_device_profile* profile, unsigned sample_rate); - -#endif /* ANDROID_HARDWARE_LIBHARDWARE_MODULES_USBAUDIO_ALSA_DEVICE_PROFILE_H */ |