| // Copyright 2016 Google Inc. All Rights Reserved. |
| // |
| // 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 STARBOARD_SHARED_ALSA_ALSA_UTIL_H_ |
| #define STARBOARD_SHARED_ALSA_ALSA_UTIL_H_ |
| |
| #include <alsa/asoundlib.h> |
| |
| #include "starboard/shared/internal_only.h" |
| |
| namespace starboard { |
| namespace shared { |
| namespace alsa { |
| |
| // The lengthy ALSA device opening function. |
| // TODO: Use native alsa period as |frames_per_request|. |
| void* AlsaOpenPlaybackDevice(int channel, |
| int sample_rate, |
| int frames_per_request, |
| int buffer_size_in_frames, |
| snd_pcm_format_t sample_type); |
| bool AlsaStartPlay(void* playback_handle); |
| int AlsaWriteFrames(void* playback_handle, |
| const void* buffer, |
| int frames_to_write); |
| int AlsaGetBufferedFrames(void* playback_handle); |
| void AlsaCloseDevice(void* playback_handle); |
| bool AlsaDrain(void* playback_handle); |
| |
| } // namespace alsa |
| } // namespace shared |
| } // namespace starboard |
| |
| #endif // STARBOARD_SHARED_ALSA_ALSA_UTIL_H_ |