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authorMiika Pekkarinen <miipekk@ihme.org>2005-07-13 12:48:22 +0000
committerMiika Pekkarinen <miipekk@ihme.org>2005-07-13 12:48:22 +0000
commit20b3897474cfa680e33f7d03feb6644390fd2b20 (patch)
tree6f0cb7bde0b73317e62ad9131a7c81aeff00942a /apps/pcmbuf.h
parent10a680556aa690d8643516f74db471e5da8db930 (diff)
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Separated buffering stuff from pcm_playback to pcmbuf. Renamed some
function calls (audiobuffer -> pcmbuf etc.). git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7131 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/pcmbuf.h')
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diff --git a/apps/pcmbuf.h b/apps/pcmbuf.h
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+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2005 by Miika Pekkarinen
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef PCMBUF_H
+#define PCMBUF_H
+
+/* Guard buffer for crossfader when dsp is enabled. */
+#define PCMBUF_GUARD 32768
+
+/* PCM audio buffer. */
+#define PCMBUF_SIZE (1*1024*1024)
+
+void pcmbuf_init(void);
+
+void pcmbuf_play_stop(void);
+bool pcmbuf_is_crossfade_active(void);
+
+/* These functions are for playing chained buffers of PCM data */
+bool pcmbuf_add_chunk(void *addr, int size, void (*callback)(void));
+int pcmbuf_num_used_buffers(void);
+void pcmbuf_set_watermark(int numbytes, void (*callback)(int bytes_left));
+
+void pcmbuf_set_boost_mode(bool state);
+bool pcmbuf_is_lowdata(void);
+void pcmbuf_flush_audio(void);
+bool pcmbuf_crossfade_init(void);
+void pcmbuf_add_event(void (*event_handler)(void));
+unsigned int pcmbuf_get_latency(void);
+bool pcmbuf_insert_buffer(char *buf, long length);
+void pcmbuf_flush_buffer(long length);
+void* pcmbuf_request_buffer(long length, long *realsize);
+bool pcmbuf_is_crossfade_enabled(void);
+void pcmbuf_crossfade_enable(bool on_off);
+
+#endif