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json: add helper function to parse channel positions

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Use the helper instead of duplicating the same code.

Also add some helpers to parse a json array of uint32_t

Move some functions to convert between type name and id.
This commit is contained in:
Wim Taymans 2024-09-18 09:54:34 +02:00
parent 911a601b95
commit e2991f6398
34 changed files with 256 additions and 791 deletions
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36
spa/plugins/avb/avb-pcm.h
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@ -33,6 +33,7 @@ extern "C" {
#include <spa/param/param.h>
#include <spa/param/latency-utils.h>
#include <spa/param/audio/format-utils.h>
#include <spa/param/audio/raw-json.h>
#include "avb.h"
@ -264,41 +265,6 @@ int spa_avb_skip(struct state *state);
void spa_avb_recycle_buffer(struct state *state, struct port *port, uint32_t buffer_id);
static inline uint32_t spa_avb_format_from_name(const char *name, size_t len)
{
int i;
for (i = 0; spa_type_audio_format[i].name; i++) {
if (strncmp(name, spa_debug_type_short_name(spa_type_audio_format[i].name), len) == 0)
return spa_type_audio_format[i].type;
}
return SPA_AUDIO_FORMAT_UNKNOWN;
}
static inline uint32_t spa_avb_channel_from_name(const char *name)
{
int i;
for (i = 0; spa_type_audio_channel[i].name; i++) {
if (strcmp(name, spa_debug_type_short_name(spa_type_audio_channel[i].name)) == 0)
return spa_type_audio_channel[i].type;
}
return SPA_AUDIO_CHANNEL_UNKNOWN;
}
static inline void spa_avb_parse_position(struct channel_map *map, const char *val, size_t len)
{
struct spa_json it[1];
char v[256];
if (spa_json_begin_array_relax(&it[0], val, len) <= 0)
return;
map->channels = 0;
while (spa_json_get_string(&it[0], v, sizeof(v)) > 0 &&
map->channels < SPA_AUDIO_MAX_CHANNELS) {
map->pos[map->channels++] = spa_avb_channel_from_name(v);
}
}
static inline uint32_t spa_avb_parse_rates(uint32_t *rates, uint32_t max, const char *val, size_t len)
{
struct spa_json it[1];