mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
pulse: parse and fill up the array of formats
A sink and source can have an array of pa_format_info structures that contain the possible formats of the device. Parse them from the EnumFormat and return them when introspecting.
This commit is contained in:
Wim Taymans
parent
8406ad8a4e
commit
023281fd0b
6 changed files with 333 additions and 180 deletions
|
|
@ -26,118 +26,6 @@
|
|||
|
||||
#include "internal.h"
|
||||
|
||||
static const uint32_t audio_formats[] = {
|
||||
[PA_SAMPLE_U8] = SPA_AUDIO_FORMAT_U8,
|
||||
[PA_SAMPLE_ALAW] = SPA_AUDIO_FORMAT_UNKNOWN,
|
||||
[PA_SAMPLE_ULAW] = SPA_AUDIO_FORMAT_UNKNOWN,
|
||||
[PA_SAMPLE_S16NE] = SPA_AUDIO_FORMAT_S16,
|
||||
[PA_SAMPLE_S16RE] = SPA_AUDIO_FORMAT_S16_OE,
|
||||
[PA_SAMPLE_FLOAT32NE] = SPA_AUDIO_FORMAT_F32,
|
||||
[PA_SAMPLE_FLOAT32RE] = SPA_AUDIO_FORMAT_F32_OE,
|
||||
[PA_SAMPLE_S32NE] = SPA_AUDIO_FORMAT_S32,
|
||||
[PA_SAMPLE_S32RE] = SPA_AUDIO_FORMAT_S32_OE,
|
||||
[PA_SAMPLE_S24NE] = SPA_AUDIO_FORMAT_S24,
|
||||
[PA_SAMPLE_S24RE] = SPA_AUDIO_FORMAT_S24_OE,
|
||||
[PA_SAMPLE_S24_32NE] = SPA_AUDIO_FORMAT_S24_32,
|
||||
[PA_SAMPLE_S24_32RE] = SPA_AUDIO_FORMAT_S24_32_OE,
|
||||
};
|
||||
|
||||
static inline uint32_t format_pa2id(pa_sample_format_t format)
|
||||
{
|
||||
if (format < 0 || (size_t)format >= SPA_N_ELEMENTS(audio_formats))
|
||||
return SPA_AUDIO_FORMAT_UNKNOWN;
|
||||
return audio_formats[format];
|
||||
}
|
||||
|
||||
static inline pa_sample_format_t format_id2pa(uint32_t id)
|
||||
{
|
||||
size_t i;
|
||||
for (i = 0; i < SPA_N_ELEMENTS(audio_formats); i++) {
|
||||
if (id == audio_formats[i])
|
||||
return i;
|
||||
}
|
||||
return PA_SAMPLE_INVALID;
|
||||
}
|
||||
|
||||
static const uint32_t audio_channels[] = {
|
||||
[PA_CHANNEL_POSITION_MONO] = SPA_AUDIO_CHANNEL_MONO,
|
||||
|
||||
[PA_CHANNEL_POSITION_FRONT_LEFT] = SPA_AUDIO_CHANNEL_FL,
|
||||
[PA_CHANNEL_POSITION_FRONT_RIGHT] = SPA_AUDIO_CHANNEL_FR,
|
||||
[PA_CHANNEL_POSITION_FRONT_CENTER] = SPA_AUDIO_CHANNEL_FC,
|
||||
|
||||
[PA_CHANNEL_POSITION_REAR_CENTER] = SPA_AUDIO_CHANNEL_RC,
|
||||
[PA_CHANNEL_POSITION_REAR_LEFT] = SPA_AUDIO_CHANNEL_RL,
|
||||
[PA_CHANNEL_POSITION_REAR_RIGHT] = SPA_AUDIO_CHANNEL_RR,
|
||||
|
||||
[PA_CHANNEL_POSITION_LFE] = SPA_AUDIO_CHANNEL_LFE,
|
||||
[PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER] = SPA_AUDIO_CHANNEL_FLC,
|
||||
[PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER] = SPA_AUDIO_CHANNEL_FRC,
|
||||
|
||||
[PA_CHANNEL_POSITION_SIDE_LEFT] = SPA_AUDIO_CHANNEL_SL,
|
||||
[PA_CHANNEL_POSITION_SIDE_RIGHT] = SPA_AUDIO_CHANNEL_SR,
|
||||
|
||||
[PA_CHANNEL_POSITION_AUX0] = SPA_AUDIO_CHANNEL_CUSTOM_START + 1,
|
||||
[PA_CHANNEL_POSITION_AUX1] = SPA_AUDIO_CHANNEL_CUSTOM_START + 2,
|
||||
[PA_CHANNEL_POSITION_AUX2] = SPA_AUDIO_CHANNEL_CUSTOM_START + 3,
|
||||
[PA_CHANNEL_POSITION_AUX3] = SPA_AUDIO_CHANNEL_CUSTOM_START + 4,
|
||||
[PA_CHANNEL_POSITION_AUX4] = SPA_AUDIO_CHANNEL_CUSTOM_START + 5,
|
||||
[PA_CHANNEL_POSITION_AUX5] = SPA_AUDIO_CHANNEL_CUSTOM_START + 6,
|
||||
[PA_CHANNEL_POSITION_AUX6] = SPA_AUDIO_CHANNEL_CUSTOM_START + 7,
|
||||
[PA_CHANNEL_POSITION_AUX7] = SPA_AUDIO_CHANNEL_CUSTOM_START + 8,
|
||||
[PA_CHANNEL_POSITION_AUX8] = SPA_AUDIO_CHANNEL_CUSTOM_START + 9,
|
||||
[PA_CHANNEL_POSITION_AUX9] = SPA_AUDIO_CHANNEL_CUSTOM_START + 10,
|
||||
[PA_CHANNEL_POSITION_AUX10] = SPA_AUDIO_CHANNEL_CUSTOM_START + 11,
|
||||
[PA_CHANNEL_POSITION_AUX11] = SPA_AUDIO_CHANNEL_CUSTOM_START + 12,
|
||||
[PA_CHANNEL_POSITION_AUX12] = SPA_AUDIO_CHANNEL_CUSTOM_START + 13,
|
||||
[PA_CHANNEL_POSITION_AUX13] = SPA_AUDIO_CHANNEL_CUSTOM_START + 14,
|
||||
[PA_CHANNEL_POSITION_AUX14] = SPA_AUDIO_CHANNEL_CUSTOM_START + 15,
|
||||
[PA_CHANNEL_POSITION_AUX15] = SPA_AUDIO_CHANNEL_CUSTOM_START + 16,
|
||||
[PA_CHANNEL_POSITION_AUX16] = SPA_AUDIO_CHANNEL_CUSTOM_START + 17,
|
||||
[PA_CHANNEL_POSITION_AUX17] = SPA_AUDIO_CHANNEL_CUSTOM_START + 18,
|
||||
[PA_CHANNEL_POSITION_AUX18] = SPA_AUDIO_CHANNEL_CUSTOM_START + 19,
|
||||
[PA_CHANNEL_POSITION_AUX19] = SPA_AUDIO_CHANNEL_CUSTOM_START + 20,
|
||||
[PA_CHANNEL_POSITION_AUX20] = SPA_AUDIO_CHANNEL_CUSTOM_START + 21,
|
||||
[PA_CHANNEL_POSITION_AUX21] = SPA_AUDIO_CHANNEL_CUSTOM_START + 22,
|
||||
[PA_CHANNEL_POSITION_AUX22] = SPA_AUDIO_CHANNEL_CUSTOM_START + 23,
|
||||
[PA_CHANNEL_POSITION_AUX23] = SPA_AUDIO_CHANNEL_CUSTOM_START + 24,
|
||||
[PA_CHANNEL_POSITION_AUX24] = SPA_AUDIO_CHANNEL_CUSTOM_START + 25,
|
||||
[PA_CHANNEL_POSITION_AUX25] = SPA_AUDIO_CHANNEL_CUSTOM_START + 26,
|
||||
[PA_CHANNEL_POSITION_AUX26] = SPA_AUDIO_CHANNEL_CUSTOM_START + 27,
|
||||
[PA_CHANNEL_POSITION_AUX27] = SPA_AUDIO_CHANNEL_CUSTOM_START + 28,
|
||||
[PA_CHANNEL_POSITION_AUX28] = SPA_AUDIO_CHANNEL_CUSTOM_START + 29,
|
||||
[PA_CHANNEL_POSITION_AUX29] = SPA_AUDIO_CHANNEL_CUSTOM_START + 30,
|
||||
[PA_CHANNEL_POSITION_AUX30] = SPA_AUDIO_CHANNEL_CUSTOM_START + 31,
|
||||
[PA_CHANNEL_POSITION_AUX31] = SPA_AUDIO_CHANNEL_CUSTOM_START + 32,
|
||||
|
||||
[PA_CHANNEL_POSITION_TOP_CENTER] = SPA_AUDIO_CHANNEL_TC,
|
||||
|
||||
[PA_CHANNEL_POSITION_TOP_FRONT_LEFT] = SPA_AUDIO_CHANNEL_TFL,
|
||||
[PA_CHANNEL_POSITION_TOP_FRONT_RIGHT] = SPA_AUDIO_CHANNEL_TFR,
|
||||
[PA_CHANNEL_POSITION_TOP_FRONT_CENTER] = SPA_AUDIO_CHANNEL_TFC,
|
||||
|
||||
[PA_CHANNEL_POSITION_TOP_REAR_LEFT] = SPA_AUDIO_CHANNEL_TRL,
|
||||
[PA_CHANNEL_POSITION_TOP_REAR_RIGHT] = SPA_AUDIO_CHANNEL_TRR,
|
||||
[PA_CHANNEL_POSITION_TOP_REAR_CENTER] = SPA_AUDIO_CHANNEL_TRC,
|
||||
};
|
||||
|
||||
static inline uint32_t channel_pa2id(pa_channel_position_t channel)
|
||||
{
|
||||
if (channel < 0 || (size_t)channel >= SPA_N_ELEMENTS(audio_channels))
|
||||
return SPA_AUDIO_CHANNEL_UNKNOWN;
|
||||
return audio_channels[channel];
|
||||
}
|
||||
|
||||
static inline pa_channel_position_t channel_id2pa(uint32_t id, uint32_t *aux)
|
||||
{
|
||||
size_t i;
|
||||
for (i = 0; i < SPA_N_ELEMENTS(audio_channels); i++) {
|
||||
if (id == audio_channels[i])
|
||||
return i;
|
||||
}
|
||||
return PA_CHANNEL_POSITION_AUX0 + (*aux)++;
|
||||
}
|
||||
|
||||
SPA_EXPORT
|
||||
int pa_format_info_get_sample_format(const pa_format_info *f, pa_sample_format_t *sf) {
|
||||
int r;
|
||||
|
|
@ -358,55 +246,3 @@ int pa_format_info_to_sample_spec_fake(const pa_format_info *f, pa_sample_spec *
|
|||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int pa_format_parse_param(const struct spa_pod *param, pa_sample_spec *spec, pa_channel_map *map)
|
||||
{
|
||||
struct spa_audio_info info = { 0 };
|
||||
uint32_t i, aux;
|
||||
|
||||
if (param == NULL)
|
||||
return -EINVAL;
|
||||
|
||||
spa_format_parse(param, &info.media_type, &info.media_subtype);
|
||||
|
||||
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 ||
|
||||
!SPA_AUDIO_FORMAT_IS_INTERLEAVED(info.info.raw.format)) {
|
||||
return -ENOTSUP;
|
||||
}
|
||||
|
||||
spec->format = format_id2pa(info.info.raw.format);
|
||||
if (spec->format == PA_SAMPLE_INVALID)
|
||||
return -ENOTSUP;
|
||||
|
||||
spec->rate = info.info.raw.rate;
|
||||
spec->channels = info.info.raw.channels;
|
||||
|
||||
aux = 0;
|
||||
pa_channel_map_init(map);
|
||||
map->channels = info.info.raw.channels;
|
||||
for (i = 0; i < info.info.raw.channels; i++)
|
||||
map->map[i] = channel_id2pa(info.info.raw.position[i], &aux);
|
||||
|
||||
if (!pa_channel_map_valid(map))
|
||||
pa_channel_map_init_extend(map, info.info.raw.channels, PA_CHANNEL_MAP_DEFAULT);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
const struct spa_pod *pa_format_build_param(struct spa_pod_builder *b,
|
||||
uint32_t id, pa_sample_spec *spec, pa_channel_map *map)
|
||||
{
|
||||
struct spa_audio_info_raw info;
|
||||
|
||||
info = SPA_AUDIO_INFO_RAW_INIT( .format = format_pa2id(spec->format),
|
||||
.channels = spec->channels,
|
||||
.rate = spec->rate);
|
||||
if (map) {
|
||||
int i;
|
||||
for (i = 0; i < map->channels; i++)
|
||||
info.position[i] = channel_pa2id(map->map[i]);
|
||||
}
|
||||
return spa_format_audio_raw_build(b, id, &info);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue