| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * PCM output buffer declarations |
| * |
| * Copyright (c) 2007 Michael Sevakis |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ****************************************************************************/ |
| #ifndef PCM_OUTPUT_H |
| #define PCM_OUTPUT_H |
| |
| struct pcm_frame_header /* Header added to pcm data every time a decoded |
| audio frame is sent out */ |
| { |
| uint32_t size; /* size of this frame - including header */ |
| uint32_t time; /* timestamp for this frame in audio ticks */ |
| unsigned char data[]; /* open array of audio data */ |
| } ALIGNED_ATTR(4); |
| |
| extern int pcm_skipped, pcm_underruns; |
| |
| bool pcm_output_init(void); |
| void pcm_output_exit(void); |
| void pcm_output_flush(void); |
| void pcm_output_set_clock(uint32_t time); |
| uint32_t pcm_output_get_clock(void); |
| uint32_t pcm_output_get_ticks(uint32_t *start); |
| void pcm_output_play_pause(bool play); |
| void pcm_output_stop(void); |
| void pcm_output_drain(void); |
| struct pcm_frame_header * pcm_output_get_buffer(void); |
| void pcm_output_add_data(void); |
| ssize_t pcm_output_used(void); |
| ssize_t pcm_output_free(void); |
| |
| #endif /* PCM_OUTPUT_H */ |