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pulse-server: fix parsing and creation of iec958 formats

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Implement creating IEC958 format EnumFormat params.

Fix parsing of negotiated IEC958 formats and convert to our internal
format.
This commit is contained in:
Wim Taymans 2021-08-20 13:47:23 +02:00
parent bceb9a4b6e
commit 1a713e963a
2 changed files with 108 additions and 39 deletions
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144
src/modules/module-protocol-pulse/format.c
View file

@ -406,6 +406,13 @@ const char *format_encoding2name(enum encoding enc)
return encoding_names[enc].name;
return "INVALID";
}
static uint32_t format_encoding2id(enum encoding enc)
{
if (enc >= 0 && enc < (int)SPA_N_ELEMENTS(encoding_names) &&
encoding_names[enc].name != NULL)
return encoding_names[enc].id;
return SPA_ID_INVALID;
}
static enum encoding format_encoding_from_id(uint32_t id)
{
@ -425,10 +432,30 @@ int format_parse_param(const struct spa_pod *param, struct sample_spec *ss, stru
if (spa_format_parse(param, &info.media_type, &info.media_subtype) < 0)
return -ENOTSUP;
if (info.media_type != SPA_MEDIA_TYPE_audio ||
info.media_subtype != SPA_MEDIA_SUBTYPE_raw ||
spa_format_audio_raw_parse(param, &info.info.raw) < 0) {
if (info.media_type != SPA_MEDIA_TYPE_audio)
return -ENOTSUP;
switch (info.media_subtype) {
case SPA_MEDIA_SUBTYPE_raw:
if (spa_format_audio_raw_parse(param, &info.info.raw) < 0)
return -ENOTSUP;
break;
case SPA_MEDIA_SUBTYPE_iec958:
{
struct spa_audio_info_iec958 iec;
if (spa_format_audio_iec958_parse(param, &iec) < 0)
return -ENOTSUP;
info.info.raw.format = SPA_AUDIO_FORMAT_S16;
info.info.raw.channels = 2;
info.info.raw.rate = iec.rate;
info.info.raw.position[0] = SPA_AUDIO_CHANNEL_FL;
info.info.raw.position[1] = SPA_AUDIO_CHANNEL_FR;
break;
}
default:
return -ENOTSUP;
}
if (ss) {
ss->format = info.info.raw.format;
@ -607,13 +634,52 @@ int format_info_from_param(struct format_info *info, struct spa_pod *param, uint
return res;
}
static uint32_t format_info_get_format(const struct format_info *info)
{
const char *str, *val;
struct spa_json it[2];
int len;
if ((str = pw_properties_get(info->props, "format.sample_format")) == NULL)
return SPA_AUDIO_FORMAT_UNKNOWN;
spa_json_init(&it[0], str, strlen(str));
if ((len = spa_json_next(&it[0], &val)) <= 0)
return SPA_AUDIO_FORMAT_UNKNOWN;
if (spa_json_is_string(val, len))
return format_paname2id(val+1, len-2);
return SPA_AUDIO_FORMAT_UNKNOWN;
}
static int format_info_get_rate(const struct format_info *info)
{
const char *str, *val;
struct spa_json it[2];
int len, v;
if ((str = pw_properties_get(info->props, "format.rate")) == NULL)
return -ENOENT;
spa_json_init(&it[0], str, strlen(str));
if ((len = spa_json_next(&it[0], &val)) <= 0)
return -EINVAL;
if (spa_json_is_int(val, len)) {
if (spa_json_parse_int(val, len, &v) <= 0)
return -EINVAL;
return v;
}
return -ENOTSUP;
}
int format_info_to_spec(const struct format_info *info, struct sample_spec *ss,
struct channel_map *map)
{
const char *str, *val;
struct spa_json it[2];
float f;
int len;
int res, len;
spa_zero(*ss);
spa_zero(*map);
@ -623,37 +689,12 @@ int format_info_to_spec(const struct format_info *info, struct sample_spec *ss,
if (info->props == NULL)
return -ENOENT;
if ((str = pw_properties_get(info->props, "format.sample_format")) == NULL)
return -ENOENT;
spa_json_init(&it[0], str, strlen(str));
if ((len = spa_json_next(&it[0], &val)) <= 0)
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 -ENOTSUP;
} else if (spa_json_is_array(val, len)) {
return -ENOTSUP;
} else
if ((ss->format = format_info_get_format(info)) == SPA_AUDIO_FORMAT_UNKNOWN)
return -ENOTSUP;
if ((str = pw_properties_get(info->props, "format.rate")) == NULL)
return -ENOENT;
spa_json_init(&it[0], str, strlen(str));
if ((len = spa_json_next(&it[0], &val)) <= 0)
return -EINVAL;
if (spa_json_is_float(val, len)) {
if (spa_json_parse_float(val, len, &f) <= 0)
return -EINVAL;
ss->rate = f;
} else if (spa_json_is_array(val, len)) {
return -ENOTSUP;
} else if (spa_json_is_object(val, len)) {
return -ENOTSUP;
} else
return -ENOTSUP;
if ((res = format_info_get_rate(info)) < 0)
return res;
ss->rate = res;
if ((str = pw_properties_get(info->props, "format.channels")) == NULL)
return -ENOENT;
@ -692,12 +733,39 @@ const struct spa_pod *format_info_build_param(struct spa_pod_builder *b, uint32_
{
struct sample_spec ss;
struct channel_map map;
const struct spa_pod *param = NULL;
int res;
if ((res = format_info_to_spec(info, &ss, &map)) < 0) {
errno = -res;
return NULL;
switch (info->encoding) {
case ENCODING_PCM:
if ((res = format_info_to_spec(info, &ss, &map)) < 0) {
errno = -res;
return NULL;
}
*rate = ss.rate;
param = format_build_param(b, id, &ss, &map);
break;
case ENCODING_AC3_IEC61937:
case ENCODING_EAC3_IEC61937:
case ENCODING_MPEG_IEC61937:
case ENCODING_DTS_IEC61937:
case ENCODING_MPEG2_AAC_IEC61937:
case ENCODING_TRUEHD_IEC61937:
case ENCODING_DTSHD_IEC61937:
{
struct spa_audio_info_iec958 i = { 0 };
i.codec = format_encoding2id(info->encoding);
if ((res = format_info_get_rate(info)) <= 0) {
errno = -res;
return NULL;
}
i.rate = res;
param = spa_format_audio_iec958_build(b, id, &i);
break;
}
*rate = ss.rate;
return format_build_param(b, id, &ss, &map);
default:
errno = ENOTSUP;
break;
}
return param;
}