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pulse-server: add support for overriding fix format

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Add support for using custom format, rate or channels when the streams
asks to fix those parameters for us.

Some streams might expect to see S16LE when they connect to a sink in
S16LE when the FIX_FORMAT flag is set but this is not the case in
PipeWire because the audio DSP pipeline works in F32, and so F32 is
choosen. Make it possible to use a pulse.rule with a audio.format
property to control this.
This commit is contained in:
Wim Taymans 2023-02-22 18:04:44 +01:00
parent 84eafcd12f
commit d28990af34
1 changed files with 48 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

84
src/modules/module-protocol-pulse/pulse-server.c
View file

@ -1693,26 +1693,33 @@ static int do_create_playback_stream(struct client *client, uint32_t command, ui
}
}
if (sample_spec_valid(&ss)) {
if (fix_format || fix_rate || fix_channels) {
struct sample_spec sfix = ss;
if (fix_format)
struct sample_spec sfix = ss;
const char *str;
rate = ss.rate;
if (fix_format) {
if ((str = pw_properties_get(props, SPA_KEY_AUDIO_FORMAT)) != NULL)
sfix.format = format_name2id(str);
else
sfix.format = SPA_AUDIO_FORMAT_UNKNOWN;
if (fix_rate)
sfix.rate = 0;
if (fix_channels)
sfix.channels = 0;
if (n_params < MAX_FORMATS &&
(params[n_params] = format_build_param(&b,
SPA_PARAM_EnumFormat, &sfix,
sfix.channels > 0 ? &map : NULL)) != NULL) {
n_params++;
n_valid_formats++;
}
}
else if (n_params < MAX_FORMATS &&
if (fix_rate) {
if ((str = pw_properties_get(props, SPA_KEY_AUDIO_RATE)) != NULL)
sfix.rate = atoi(str);
else
sfix.rate = 0;
}
if (fix_channels) {
if ((str = pw_properties_get(props, SPA_KEY_AUDIO_CHANNELS)) != NULL)
sfix.channels = atoi(str);
else
sfix.channels = 0;
}
if (n_params < MAX_FORMATS &&
(params[n_params] = format_build_param(&b,
SPA_PARAM_EnumFormat, &ss,
ss.channels > 0 ? &map : NULL)) != NULL) {
SPA_PARAM_EnumFormat, &sfix,
sfix.channels > 0 ? &map : NULL)) != NULL) {
n_params++;
n_valid_formats++;
} else {
@ -1720,7 +1727,6 @@ static int do_create_playback_stream(struct client *client, uint32_t command, ui
impl, format_id2name(ss.format), ss.rate,
ss.channels);
}
rate = ss.rate;
}
if (m->offset != m->length)
@ -1950,26 +1956,33 @@ static int do_create_record_stream(struct client *client, uint32_t command, uint
volume_set = false;
}
if (sample_spec_valid(&ss)) {
if (fix_format || fix_rate || fix_channels) {
struct sample_spec sfix = ss;
if (fix_format)
struct sample_spec sfix = ss;
const char *str;
rate = ss.rate;
if (fix_format) {
if ((str = pw_properties_get(props, SPA_KEY_AUDIO_FORMAT)) != NULL)
sfix.format = format_name2id(str);
else
sfix.format = SPA_AUDIO_FORMAT_UNKNOWN;
if (fix_rate)
sfix.rate = 0;
if (fix_channels)
sfix.channels = 0;
if (n_params < MAX_FORMATS &&
(params[n_params] = format_build_param(&b,
SPA_PARAM_EnumFormat, &sfix,
sfix.channels > 0 ? &map : NULL)) != NULL) {
n_params++;
n_valid_formats++;
}
}
else if (n_params < MAX_FORMATS &&
if (fix_rate) {
if ((str = pw_properties_get(props, SPA_KEY_AUDIO_RATE)) != NULL)
sfix.rate = atoi(str);
else
sfix.rate = 0;
}
if (fix_channels) {
if ((str = pw_properties_get(props, SPA_KEY_AUDIO_CHANNELS)) != NULL)
sfix.channels = atoi(str);
else
sfix.channels = 0;
}
if (n_params < MAX_FORMATS &&
(params[n_params] = format_build_param(&b,
SPA_PARAM_EnumFormat, &ss,
ss.channels > 0 ? &map : NULL)) != NULL) {
SPA_PARAM_EnumFormat, &sfix,
sfix.channels > 0 ? &map : NULL)) != NULL) {
n_params++;
n_valid_formats++;
} else {
@ -1977,7 +1990,6 @@ static int do_create_record_stream(struct client *client, uint32_t command, uint
impl, format_id2name(ss.format), ss.rate,
ss.channels);
}
rate = ss.rate;
}
if (m->offset != m->length)
goto error_protocol;