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introspect: Get formats for sinks

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This gets the list of supported formats for a sink in
pa_context_get_sink_info*(). Also prints these in 'pactl list'.
This commit is contained in:
Arun Raghavan 2011-03-08 23:30:24 +05:30
parent dedbc942ab
commit 322980e2e3
5 changed files with 68 additions and 1 deletions
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34
src/pulse/introspect.c
View file

@ -240,6 +240,33 @@ static void context_get_sink_info_callback(pa_pdispatch *pd, uint32_t command, u
}
}
if (o->context->version >= 21) {
i.formats = NULL;
if (pa_tagstruct_getu8(t, &i.n_formats)) {
pa_context_fail(o->context, PA_ERR_PROTOCOL);
pa_proplist_free(i.proplist);
goto finish;
}
pa_assert(i.n_formats > 0);
i.formats = pa_xnew0(pa_format_info*, i.n_formats);
for (j = 0; j < i.n_formats; j++) {
i.formats[j] = pa_format_info_new();
if (pa_tagstruct_get_format_info(t, i.formats[j]) < 0) {
do {
pa_format_info_free(i.formats[j]);
} while (j--);
pa_xfree(i.formats);
pa_context_fail(o->context, PA_ERR_PROTOCOL);
pa_proplist_free(i.proplist);
goto finish;
}
}
}
i.mute = (int) mute;
i.flags = (pa_sink_flags_t) flags;
i.state = (pa_sink_state_t) state;
@ -253,6 +280,13 @@ static void context_get_sink_info_callback(pa_pdispatch *pd, uint32_t command, u
pa_xfree(i.ports[0]);
pa_xfree(i.ports);
}
if (i.formats) {
for (j = 0; j < i.n_formats; j++)
pa_format_info_free(i.formats[j]);
pa_xfree(i.formats);
}
pa_proplist_free(i.proplist);
}
}

3
src/pulse/introspect.h
View file

@ -32,6 +32,7 @@
#include <pulse/channelmap.h>
#include <pulse/volume.h>
#include <pulse/proplist.h>
#include <pulse/format.h>
#include <pulse/version.h>
/** \page introspect Server Query and Control
@ -230,6 +231,8 @@ typedef struct pa_sink_info {
uint32_t n_ports; /**< Number of entries in port array \since 0.9.16 */
pa_sink_port_info** ports; /**< Array of available ports, or NULL. Array is terminated by an entry set to NULL. The number of entries is stored in n_ports \since 0.9.16 */
pa_sink_port_info* active_port; /**< Pointer to active port in the array, or NULL \since 0.9.16 */
uint8_t n_formats; /**< Number of formats supported by the sink. \since 1.0 */
pa_format_info **formats; /**< Array of formats supported by the sink. \since 1.0 */
} pa_sink_info;
/** Callback prototype for pa_context_get_sink_info_by_name() and friends */