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pulse-server: find the rate in the format_info

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Also look for the highest rate in the format_info to suggest as
the graph sample rate.

See #1523
This commit is contained in:
Wim Taymans 2021-08-18 16:58:22 +02:00
parent f8aa4dcfcc
commit f96fa1bf36
3 changed files with 74 additions and 50 deletions
Download patch file Download diff file Expand all files Collapse all files

87
src/modules/module-protocol-pulse/format.c
View file

@ -430,7 +430,7 @@ int format_parse_param(const struct spa_pod *param, struct sample_spec *ss, stru
}
const struct spa_pod *format_build_param(struct spa_pod_builder *b, uint32_t id,
struct sample_spec *spec, struct channel_map *map)
const struct sample_spec *spec, const struct channel_map *map)
{
struct spa_audio_info_raw info;
@ -444,8 +444,8 @@ const struct spa_pod *format_build_param(struct spa_pod_builder *b, uint32_t id,
return spa_format_audio_raw_build(b, id, &info);
}
int format_info_from_spec(struct format_info *info, struct sample_spec *ss,
struct channel_map *map)
int format_info_from_spec(struct format_info *info, const struct sample_spec *ss,
const struct channel_map *map)
{
spa_zero(*info);
info->encoding = ENCODING_PCM;
@ -473,84 +473,97 @@ int format_info_from_spec(struct format_info *info, struct sample_spec *ss,
return 0;
}
const struct spa_pod *format_info_build_param(struct spa_pod_builder *b, uint32_t id,
struct format_info *info)
int format_info_to_spec(const struct format_info *info, struct sample_spec *ss,
struct channel_map *map)
{
const char *str, *val;
struct sample_spec ss;
struct channel_map map, *pmap = NULL;
struct spa_json it[2];
float f;
int len;
spa_zero(ss);
spa_zero(map);
spa_zero(*ss);
spa_zero(*map);
if (info->encoding != ENCODING_PCM)
return NULL;
return -ENOTSUP;
if (info->props == NULL)
return -ENOENT;
if ((str = pw_properties_get(info->props, "format.sample_format")) == NULL)
return NULL;
return -ENOENT;
spa_json_init(&it[0], str, strlen(str));
if ((len = spa_json_next(&it[0], &val)) <= 0)
return NULL;
return -EINVAL;
if (spa_json_is_string(val, len)) {
ss.format = format_paname2id(val+1, len-2);
if (ss.format == SPA_AUDIO_FORMAT_UNKNOWN)
return NULL;
ss->format = format_paname2id(val+1, len-2);
if (ss->format == SPA_AUDIO_FORMAT_UNKNOWN)
return -ENOTSUP;
} else if (spa_json_is_array(val, len)) {
return NULL;
return -ENOTSUP;
} else
return NULL;
return -ENOTSUP;
if ((str = pw_properties_get(info->props, "format.rate")) == NULL)
return NULL;
return -ENOENT;
spa_json_init(&it[0], str, strlen(str));
if ((len = spa_json_next(&it[0], &val)) <= 0)
return NULL;
return -EINVAL;
if (spa_json_is_float(val, len)) {
if (spa_json_parse_float(val, len, &f) <= 0)
return NULL;
ss.rate = f;
return -EINVAL;
ss->rate = f;
} else if (spa_json_is_array(val, len)) {
return NULL;
return -ENOTSUP;
} else if (spa_json_is_object(val, len)) {
return NULL;
return -ENOTSUP;
} else
return NULL;
return -ENOTSUP;
if ((str = pw_properties_get(info->props, "format.channels")) == NULL)
return NULL;
return -ENOENT;
spa_json_init(&it[0], str, strlen(str));
if ((len = spa_json_next(&it[0], &val)) <= 0)
return NULL;
return -EINVAL;
if (spa_json_is_float(val, len)) {
if (spa_json_parse_float(val, len, &f) <= 0)
return NULL;
ss.channels = f;
return -EINVAL;
ss->channels = f;
} else if (spa_json_is_array(val, len)) {
return NULL;
return -ENOTSUP;
} else if (spa_json_is_object(val, len)) {
return NULL;
return -ENOTSUP;
} else
return NULL;
return -ENOTSUP;
if ((str = pw_properties_get(info->props, "format.channel_map")) != NULL) {
spa_json_init(&it[0], str, strlen(str));
if ((len = spa_json_next(&it[0], &val)) <= 0)
return NULL;
return -EINVAL;
if (!spa_json_is_string(val, len))
return NULL;
return -EINVAL;
while ((*str == '\"' || *str == ',') &&
(len = strcspn(++str, "\",")) > 0) {
map.map[map.channels++] = channel_paname2id(str, len);
map->map[map->channels++] = channel_paname2id(str, len);
str += len;
}
if (map.channels == ss.channels)
pmap = &map;
}
return format_build_param(b, id, &ss, pmap);
return 0;
}
const struct spa_pod *format_info_build_param(struct spa_pod_builder *b, uint32_t id,
const struct format_info *info, uint32_t *rate)
{
struct sample_spec ss;
struct channel_map map;
int res;
if ((res = format_info_to_spec(info, &ss, &map)) < 0) {
errno = -res;
return NULL;
}
*rate = ss.rate;
return format_build_param(b, id, &ss, &map);
}