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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:03:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:03:18 +0000 |
commit | 2dd5bc6a074165ddfbd57c4bd52c2d2dac8f47a1 (patch) | |
tree | 465b29cb405d3af0b0ad50c78e1dccc636594fec /src/pulsecore/modargs.h | |
parent | Initial commit. (diff) | |
download | pulseaudio-2dd5bc6a074165ddfbd57c4bd52c2d2dac8f47a1.tar.xz pulseaudio-2dd5bc6a074165ddfbd57c4bd52c2d2dac8f47a1.zip |
Adding upstream version 14.2.upstream/14.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/pulsecore/modargs.h')
-rw-r--r-- | src/pulsecore/modargs.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/pulsecore/modargs.h b/src/pulsecore/modargs.h new file mode 100644 index 0000000..96132a3 --- /dev/null +++ b/src/pulsecore/modargs.h @@ -0,0 +1,98 @@ +#ifndef foomodargshfoo +#define foomodargshfoo + +/*** + This file is part of PulseAudio. + + Copyright 2004-2006 Lennart Poettering + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2.1 of the License, + or (at your option) any later version. + + PulseAudio is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. +***/ + +#include <inttypes.h> +#include <pulse/sample.h> +#include <pulse/channelmap.h> +#include <pulse/proplist.h> +#include <pulse/volume.h> +#include <pulsecore/macro.h> +#include <pulsecore/resampler.h> + +typedef struct pa_modargs pa_modargs; + +/* A generic parser for module arguments */ + +/* Parse the string args. The NULL-terminated array keys contains all valid arguments. */ +pa_modargs *pa_modargs_new(const char *args, const char* const keys[]); +/* Parse the string args, and add any keys that are not already present. */ +int pa_modargs_append(pa_modargs *ma, const char *args, const char* const* valid_keys); +void pa_modargs_free(pa_modargs*ma); + +/* Return the module argument for the specified name as a string. If + * the argument was not specified, return def instead.*/ +const char *pa_modargs_get_value(pa_modargs *ma, const char *key, const char *def); + +/* Return a module argument as unsigned 32bit value in *value. If the argument + * was not specified, *value remains unchanged. */ +int pa_modargs_get_value_u32(pa_modargs *ma, const char *key, uint32_t *value); +int pa_modargs_get_value_s32(pa_modargs *ma, const char *key, int32_t *value); +int pa_modargs_get_value_boolean(pa_modargs *ma, const char *key, bool *value); + +/* Return a module argument as double value in *value. If the argument was not + * specified, *value remains unchanged. */ +int pa_modargs_get_value_double(pa_modargs *ma, const char *key, double *value); + +/* Return a module argument as pa_volume_t value in *value. If the argument + * was not specified, *value remains unchanged. */ +int pa_modargs_get_value_volume(pa_modargs *ma, const char *key, pa_volume_t *value); + +/* Return sample rate from the "rate" argument. If the argument was not + * specified, *rate remains unchanged. */ +int pa_modargs_get_sample_rate(pa_modargs *ma, uint32_t *rate); + +/* Return sample spec data from the three arguments "rate", "format" and + * "channels". If the argument was not specified, *ss remains unchanged. */ +int pa_modargs_get_sample_spec(pa_modargs *ma, pa_sample_spec *ss); + +/* Return channel map data from the argument "channel_map" if name is NULL, + * otherwise read from the specified argument. If the argument was not + * specified, *map remains unchanged. */ +int pa_modargs_get_channel_map(pa_modargs *ma, const char *name, pa_channel_map *map); + +/* Return resample method from the argument "resample_method". If the argument + * was not specified, *method remains unchanged. */ +int pa_modargs_get_resample_method(pa_modargs *ma, pa_resample_method_t *method); + +/* Combination of pa_modargs_get_sample_spec() and +pa_modargs_get_channel_map(). Not always suitable, since this routine +initializes the map parameter based on the channels field of the ss +structure if no channel_map is found, using pa_channel_map_init_auto() */ + +int pa_modargs_get_sample_spec_and_channel_map(pa_modargs *ma, pa_sample_spec *ss, pa_channel_map *map, pa_channel_map_def_t def); + +/* Return alternate sample rate from "alternate_sample_rate" parameter. If the + * argument was not specified, *alternate_rate remains unchanged. */ +int pa_modargs_get_alternate_sample_rate(pa_modargs *ma, uint32_t *alternate_rate); + +int pa_modargs_get_proplist(pa_modargs *ma, const char *name, pa_proplist *p, pa_update_mode_t m); + +/* Iterate through the module argument list. The user should allocate a + * state variable of type void* and initialize it with NULL. A pointer + * to this variable should then be passed to pa_modargs_iterate() + * which should be called in a loop until it returns NULL which + * signifies EOL. On each invocation this function will return the + * key string for the next entry. The keys in the argument list do not + * have any particular order. */ +const char *pa_modargs_iterate(pa_modargs *ma, void **state); + +#endif |