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bluez5: lc3: simplify parsing

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This commit is contained in:
Pauli Virtanen 2024-12-14 12:32:41 +02:00 • committed by Wim Taymans
parent 8f1983d14c
commit bf12fe6d8b
1 changed files with 27 additions and 47 deletions
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74
spa/plugins/bluez5/bap-codec-lc3.c
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@ -14,6 +14,7 @@
#include <spa/param/audio/format.h>
#include <spa/param/audio/format-utils.h>
#include <spa/utils/string.h>
#include <spa/utils/json.h>
#include <spa/debug/log.h>
#include <lc3.h>
@ -240,21 +241,15 @@ static int write_ltv_uint32(uint8_t *dest, uint8_t type, uint32_t value)
static uint16_t parse_rates(const char *str)
{
char *s, *p, *save = NULL;
struct spa_json it;
uint16_t rate_mask = 0;
int value;
if (!str)
return 0;
if (spa_json_begin_array_relax(&it, str, strlen(str)) <= 0)
return rate_mask;
s = strdup(str);
if (s == NULL)
return 0;
for (p = s; (p = strtok_r(p, "[, ]", &save)) != NULL; p = NULL) {
if (*p == '\0')
continue;
switch (atoi(p)) {
while (spa_json_get_int(&it, &value) > 0) {
switch (value) {
case LC3_VAL_FREQ_8KHZ:
rate_mask |= LC3_FREQ_8KHZ;
break;
@ -277,58 +272,40 @@ static uint16_t parse_rates(const char *str)
break;
}
}
free(s);
return rate_mask;
}
static uint8_t parse_durations(const char *str)
{
char *s, *p, *save = NULL;
struct spa_json it;
uint8_t duration_mask = 0;
float value;
if (!str)
return 0;
if (spa_json_begin_array_relax(&it, str, strlen(str)) <= 0)
return duration_mask;
s = strdup(str);
if (s == NULL)
return 0;
for (p = s; (p = strtok_r(p, "[, ]", &save)) != NULL; p = NULL) {
double duration;
if (*p == '\0')
continue;
duration = atof(p);
if (duration == LC3_VAL_DUR_7_5)
while (spa_json_get_float(&it, &value) > 0) {
if (value == (float)LC3_VAL_DUR_7_5)
duration_mask |= LC3_DUR_7_5;
else if (duration == LC3_VAL_DUR_10)
else if (value == (float)LC3_VAL_DUR_10)
duration_mask |= LC3_DUR_10;
}
free(s);
return duration_mask;
}
static uint8_t parse_channel_counts(const char *str)
{
char *s, *p, *save = NULL;
struct spa_json it;
uint8_t channel_counts = 0;
int value;
if (!str)
return 0;
if (spa_json_begin_array_relax(&it, str, strlen(str)) <= 0)
return channel_counts;
s = strdup(str);
if (s == NULL)
return 0;
for (p = s; (p = strtok_r(p, "[, ]", &save)) != NULL; p = NULL) {
if (*p == '\0')
continue;
switch (atoi(p)) {
while (spa_json_get_int(&it, &value) > 0) {
switch (value) {
case LC3_VAL_CHAN_1:
channel_counts |= LC3_CHAN_1;
break;
@ -357,7 +334,6 @@ static uint8_t parse_channel_counts(const char *str)
break;
}
}
free(s);
return channel_counts;
}
@ -375,6 +351,7 @@ static int codec_fill_caps(const struct media_codec *codec, uint32_t flags,
uint16_t framelen_min = LC3_MIN_FRAME_BYTES;
uint16_t framelen_max = LC3_MAX_FRAME_BYTES;
uint8_t max_frames = 2;
uint32_t value;
if (settings && (str = spa_dict_lookup(settings, "bluez5.bap-server-capabilities.rates")))
rate_mask = parse_rates(str);
@ -386,13 +363,16 @@ static int codec_fill_caps(const struct media_codec *codec, uint32_t flags,
channel_counts = parse_channel_counts(str);
if (settings && (str = spa_dict_lookup(settings, "bluez5.bap-server-capabilities.framelen_min")))
framelen_min = atoi(str);
if (spa_atou32(str, &value, 0))
framelen_min = value;
if (settings && (str = spa_dict_lookup(settings, "bluez5.bap-server-capabilities.framelen_max")))
framelen_max = atoi(str);
if (spa_atou32(str, &value, 0))
framelen_max = value;
if (settings && (str = spa_dict_lookup(settings, "bluez5.bap-server-capabilities.max_frames")))
max_frames = atoi(str);
if (spa_atou32(str, &value, 0))
max_frames = value;
framelen[0] = htobs(framelen_min);
framelen[1] = htobs(framelen_max);