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Diffstat (limited to 'apps/plugins/mpegplayer/pcm_output.h')
-rw-r--r-- | apps/plugins/mpegplayer/pcm_output.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/apps/plugins/mpegplayer/pcm_output.h b/apps/plugins/mpegplayer/pcm_output.h new file mode 100644 index 0000000000..bae00cd045 --- /dev/null +++ b/apps/plugins/mpegplayer/pcm_output.h @@ -0,0 +1,48 @@ +/*************************************************************************** + * __________ __ ___. + * 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 + +#define PCM_HDR_SIZE (sizeof (struct pcm_frame_header)) +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); + +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); +void * pcm_output_get_buffer(ssize_t *size); +bool pcm_output_commit_data(ssize_t size, uint32_t timestamp); +bool pcm_output_empty(void); + +#endif /* PCM_OUTPUT_H */ |