#ifndef foosampleutilhfoo
#define foosampleutilhfoo
-/* $Id$ */
-
/***
This file is part of PulseAudio.
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
- by the Free Software Foundation; either version 2 of the License,
+ by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
#include <pulse/sample.h>
#include <pulse/volume.h>
+#include <pulse/channelmap.h>
#include <pulsecore/memblock.h>
#include <pulsecore/memchunk.h>
-pa_memblock *pa_silence_memblock(pa_memblock* b, const pa_sample_spec *spec);
-pa_memblock *pa_silence_memblock_new(pa_mempool *pool, const pa_sample_spec *spec, size_t length);
-void pa_silence_memchunk(pa_memchunk *c, const pa_sample_spec *spec);
-void pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec);
+typedef struct pa_silence_cache {
+ pa_memblock* blocks[PA_SAMPLE_MAX];
+} pa_silence_cache;
+
+void pa_silence_cache_init(pa_silence_cache *cache);
+void pa_silence_cache_done(pa_silence_cache *cache);
+
+void *pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec);
+pa_memchunk* pa_silence_memchunk(pa_memchunk *c, const pa_sample_spec *spec);
+pa_memblock* pa_silence_memblock(pa_memblock *b, const pa_sample_spec *spec);
+
+pa_memchunk* pa_silence_memchunk_get(pa_silence_cache *cache, pa_mempool *pool, pa_memchunk* ret, const pa_sample_spec *spec, size_t length);
typedef struct pa_mix_info {
pa_memchunk chunk;
pa_cvolume volume;
void *userdata;
- void *internal; /* Used internally by pa_mix(), should not be initialised when calling pa_mix() */
+
+ /* The following fields are used internally by pa_mix(), should
+ * not be initialised by the caller of pa_mix(). */
+ void *ptr;
+ union {
+ int32_t i;
+ float f;
+ } linear[PA_CHANNELS_MAX];
} pa_mix_info;
size_t pa_mix(
size_t length,
const pa_sample_spec *spec,
const pa_cvolume *volume,
- int mute);
+ pa_bool_t mute);
void pa_volume_memchunk(
pa_memchunk*c,
const pa_sample_spec *spec,
const pa_cvolume *volume);
+size_t pa_frame_align(size_t l, const pa_sample_spec *ss) PA_GCC_PURE;
+
+pa_bool_t pa_frame_aligned(size_t l, const pa_sample_spec *ss) PA_GCC_PURE;
+
+void pa_interleave(const void *src[], unsigned channels, void *dst, size_t ss, unsigned n);
+void pa_deinterleave(const void *src, void *dst[], unsigned channels, size_t ss, unsigned n);
+
+void pa_sample_clamp(pa_sample_format_t format, void *dst, size_t dstr, const void *src, size_t sstr, unsigned n);
+
+pa_usec_t pa_bytes_to_usec_round_up(uint64_t length, const pa_sample_spec *spec);
+size_t pa_usec_to_bytes_round_up(pa_usec_t t, const pa_sample_spec *spec);
+
+void pa_memchunk_dump_to_file(pa_memchunk *c, const char *fn);
+
+void pa_memchunk_sine(pa_memchunk *c, pa_mempool *pool, unsigned rate, unsigned freq);
+
+#define PA_CHANNEL_POSITION_MASK_LEFT \
+ (PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_FRONT_LEFT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_REAR_LEFT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_SIDE_LEFT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_FRONT_LEFT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_REAR_LEFT)) \
+
+#define PA_CHANNEL_POSITION_MASK_RIGHT \
+ (PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_FRONT_RIGHT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_REAR_RIGHT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_SIDE_RIGHT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_FRONT_RIGHT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_REAR_RIGHT))
+
+#define PA_CHANNEL_POSITION_MASK_CENTER \
+ (PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_FRONT_CENTER) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_REAR_CENTER) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_CENTER) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_FRONT_CENTER) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_REAR_CENTER))
+
+#define PA_CHANNEL_POSITION_MASK_FRONT \
+ (PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_FRONT_LEFT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_FRONT_RIGHT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_FRONT_CENTER) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_FRONT_LEFT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_FRONT_RIGHT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_FRONT_CENTER))
+
+#define PA_CHANNEL_POSITION_MASK_REAR \
+ (PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_REAR_LEFT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_REAR_RIGHT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_REAR_CENTER) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_REAR_LEFT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_REAR_RIGHT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_REAR_CENTER))
+
+#define PA_CHANNEL_POSITION_MASK_SIDE_OR_TOP_CENTER \
+ (PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_SIDE_LEFT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_SIDE_RIGHT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_CENTER))
+
+#define PA_CHANNEL_POSITION_MASK_TOP \
+ (PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_CENTER) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_FRONT_LEFT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_FRONT_RIGHT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_FRONT_CENTER) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_REAR_LEFT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_REAR_RIGHT) \
+ | PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_TOP_REAR_CENTER))
+
+#define PA_CHANNEL_POSITION_MASK_ALL \
+ ((pa_channel_position_mask_t) (PA_CHANNEL_POSITION_MASK(PA_CHANNEL_POSITION_MAX)-1))
+
#endif