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pulse-server: split out format handling

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Part of !776.
This commit is contained in:
Barnabás Pőcze 2021-06-18 21:49:24 +02:00
parent 8ac60cb0ae
commit 43e2c64307
4 changed files with 126 additions and 95 deletions
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52
src/modules/module-protocol-pulse/format.h
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@ -25,6 +25,12 @@
#ifndef PULSE_SERVER_FORMAT_H
#define PULSE_SERVER_FORMAT_H
#include <spa/utils/defs.h>
#include <pipewire/properties.h>
struct spa_pod;
struct spa_pod_builder;
#define RATE_MAX (48000u*8u)
#define CHANNELS_MAX (64u)
@ -72,11 +78,12 @@ struct sample_spec {
uint32_t rate;
uint8_t channels;
};
#define SAMPLE_SPEC_INIT (struct sample_spec) { \
.format = SPA_AUDIO_FORMAT_UNKNOWN, \
.rate = 0, \
.channels = 0, \
}
#define SAMPLE_SPEC_INIT \
(struct sample_spec) { \
.format = SPA_AUDIO_FORMAT_UNKNOWN, \
.rate = 0, \
.channels = 0, \
}
enum channel_position {
CHANNEL_POSITION_INVALID = -1,
@ -151,9 +158,10 @@ struct channel_map {
uint32_t map[CHANNELS_MAX];
};
#define CHANNEL_MAP_INIT (struct channel_map) { \
.channels = 0, \
}
#define CHANNEL_MAP_INIT \
(struct channel_map) { \
.channels = 0, \
}
enum encoding {
ENCODING_ANY,
@ -169,23 +177,49 @@ enum encoding {
ENCODING_INVALID = -1,
};
struct format_info {
enum encoding encoding;
struct pw_properties *props;
};
uint32_t format_pa2id(enum sample_format format);
const char *format_id2name(uint32_t format);
uint32_t format_name2id(const char *name);
uint32_t format_paname2id(const char *name, size_t size);
enum sample_format format_id2pa(uint32_t id);
const char *format_id2paname(uint32_t id);
const char *format_encoding2name(enum encoding enc);
uint32_t sample_spec_frame_size(const struct sample_spec *ss);
bool sample_spec_valid(const struct sample_spec *ss);
uint32_t channel_pa2id(enum channel_position channel);
const char *channel_id2name(uint32_t channel);
uint32_t channel_name2id(const char *name);
enum channel_position channel_id2pa(uint32_t id, uint32_t *aux);
const char *channel_id2paname(uint32_t id, uint32_t *aux);
uint32_t channel_paname2id(const char *name, size_t size);
void channel_map_to_positions(const struct channel_map *map, uint32_t *pos);
void channel_map_parse(const char *str, struct channel_map *map);
bool channel_map_valid(const struct channel_map *map);
const char *format_encoding2name(enum encoding enc);
int format_parse_param(const struct spa_pod *param, struct sample_spec *ss,
struct channel_map *map);
const struct spa_pod *format_build_param(struct spa_pod_builder *b, uint32_t id,
struct sample_spec *spec, struct channel_map *map);
int format_info_from_spec(struct format_info *info, struct sample_spec *ss,
struct channel_map *map);
const struct spa_pod *format_info_build_param(struct spa_pod_builder *b, uint32_t id,
struct format_info *info);
static inline void format_info_clear(struct format_info *info)
{
pw_properties_free(info->props);
spa_zero(*info);
}
#endif