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spa: make a function to make a channel short name

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Make a function that can generate and parse a short name for
the positions that are not in the type list, like the AUX channels.
This commit is contained in:
Wim Taymans 2025-10-22 13:04:53 +02:00
parent 7177f8269d
commit 11f1298f53
16 changed files with 74 additions and 38 deletions
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4
src/modules/module-protocol-pulse/format.c
View file

@ -298,9 +298,9 @@ uint32_t channel_pa2id(enum channel_position channel)
return audio_channels[channel].channel;
}
const char *channel_id2name(uint32_t channel)
const char *channel_id2name(uint32_t channel, char *buf, size_t size)
{
return spa_type_audio_channel_to_short_name(channel);
return spa_type_audio_channel_make_short_name(channel, buf, size, "UNK");
}
uint32_t channel_name2id(const char *name)

2
src/modules/module-protocol-pulse/format.h
View file

@ -190,7 +190,7 @@ void sample_spec_fix(struct sample_spec *ss, struct channel_map *map,
struct spa_dict *props);
uint32_t channel_pa2id(enum channel_position channel);
const char *channel_id2name(uint32_t channel);
const char *channel_id2name(uint32_t channel, char *buf, size_t size);
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);

4
src/modules/module-protocol-pulse/message.c
View file

@ -761,11 +761,13 @@ int message_dump(enum spa_log_level level, const char *prefix, struct message *m
case TAG_CHANNEL_MAP:
{
struct channel_map map;
char pos[8];
if ((res = read_channel_map(m, &map)) < 0)
return res;
pw_log(level, "%s %u: channelmap: channels:%u", prefix, o, map.channels);
for (i = 0; i < map.channels; i++)
pw_log(level, "%s %d: %s", prefix, i, channel_id2name(map.map[i]));
pw_log(level, "%s %d: %s", prefix, i,
channel_id2name(map.map[i], pos, sizeof(pos)));
break;
}
case TAG_CVOLUME:

5
src/modules/module-protocol-pulse/module.c
View file

@ -283,14 +283,15 @@ void audioinfo_to_properties(struct spa_audio_info_raw *info, struct pw_properti
if (info->rate)
pw_properties_setf(props, SPA_KEY_AUDIO_RATE, "%u", info->rate);
if (info->channels) {
char *s, *p;
char *s, *p, pos[8];
pw_properties_setf(props, SPA_KEY_AUDIO_CHANNELS, "%u", info->channels);
p = s = alloca(info->channels * 8);
for (i = 0; i < info->channels; i++)
p += spa_scnprintf(p, 8, "%s%s", i == 0 ? "" : ", ",
channel_id2name(spa_format_audio_raw_get_position(info, i)));
channel_id2name(spa_format_audio_raw_get_position(info, i),
pos, sizeof(pos)));
pw_properties_setf(props, SPA_KEY_AUDIO_POSITION, "[ %s ]", s);
}
}

4
src/modules/module-protocol-pulse/modules/module-stream-restore.c
View file

@ -295,9 +295,11 @@ static int do_extension_stream_restore_write(struct module *module, struct clien
fprintf(f, " ]");
}
if (map.channels > 0) {
char pos[8];
fprintf(f, ", \"channels\": [");
for (i = 0; i < map.channels; i++)
fprintf(f, "%s\"%s\"", (i == 0 ? " ":", "), channel_id2name(map.map[i]));
fprintf(f, "%s\"%s\"", (i == 0 ? " ":", "),
channel_id2name(map.map[i], pos, sizeof(pos)));
fprintf(f, " ]");
}
if (device_name != NULL && device_name[0] &&