From fdf3a0881445560e962924a02319fc5cd2506231 Mon Sep 17 00:00:00 2001
From: Colin Guthrie <colin@mageia.org>
Date: Mon, 16 May 2011 22:15:57 +0100
Subject: introspect: Get formats for sources

This gets the list of supported formats for a source in
pa_context_get_source_info*(). Also prints these in 'pactl list'.
---
 src/pulse/introspect.c | 66 +++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 49 insertions(+), 17 deletions(-)

(limited to 'src/pulse/introspect.c')

diff --git a/src/pulse/introspect.c b/src/pulse/introspect.c
index c4001331..a781c14f 100644
--- a/src/pulse/introspect.c
+++ b/src/pulse/introspect.c
@@ -405,11 +405,16 @@ pa_operation* pa_context_set_sink_port_by_name(pa_context *c, const char *name,
 static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
     pa_operation *o = userdata;
     int eol = 1;
+    pa_source_info i;
+    uint32_t j;
 
     pa_assert(pd);
     pa_assert(o);
     pa_assert(PA_REFCNT_VALUE(o) >= 1);
 
+    /* For safety incase someone use fail: outside the while loop below */
+    pa_zero(i);
+
     if (!o->context)
         goto finish;
 
@@ -421,11 +426,9 @@ static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command,
     } else {
 
         while (!pa_tagstruct_eof(t)) {
-            pa_source_info i;
             pa_bool_t mute;
             uint32_t flags;
             uint32_t state;
-            unsigned j;
             const char *ap;
 
             pa_zero(i);
@@ -460,9 +463,7 @@ static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command,
                 (o->context->version >= 16 &&
                  (pa_tagstruct_getu32(t, &i.n_ports)))) {
 
-                pa_context_fail(o->context, PA_ERR_PROTOCOL);
-                pa_proplist_free(i.proplist);
-                goto finish;
+                goto fail;
             }
 
             if (o->context->version >= 16) {
@@ -475,11 +476,7 @@ static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command,
                             pa_tagstruct_gets(t, &i.ports[0][j].description) < 0 ||
                             pa_tagstruct_getu32(t, &i.ports[0][j].priority) < 0) {
 
-                            pa_context_fail(o->context, PA_ERR_PROTOCOL);
-                            pa_xfree(i.ports[0]);
-                            pa_xfree(i.ports);
-                            pa_proplist_free(i.proplist);
-                            goto finish;
+                            goto fail;
                         }
 
                         i.ports[j] = &i.ports[0][j];
@@ -488,13 +485,8 @@ static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command,
                     i.ports[j] = NULL;
                 }
 
-                if (pa_tagstruct_gets(t, &ap) < 0) {
-                    pa_context_fail(o->context, PA_ERR_PROTOCOL);
-                    pa_xfree(i.ports[0]);
-                    pa_xfree(i.ports);
-                    pa_proplist_free(i.proplist);
-                    goto finish;
-                }
+                if (pa_tagstruct_gets(t, &ap) < 0)
+                    goto fail;
 
                 if (ap) {
                     for (j = 0; j < i.n_ports; j++)
@@ -505,6 +497,22 @@ static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command,
                 }
             }
 
+            if (o->context->version >= 22) {
+                uint8_t n_formats;
+                if (pa_tagstruct_getu8(t, &n_formats) < 0 || n_formats < 1)
+                    goto fail;
+
+                i.formats = pa_xnew0(pa_format_info*, n_formats);
+
+                for (j = 0; j < n_formats; j++) {
+                    i.n_formats++;
+                    i.formats[j] = pa_format_info_new();
+
+                    if (pa_tagstruct_get_format_info(t, i.formats[j]) < 0)
+                        goto fail;
+                }
+            }
+
             i.mute = (int) mute;
             i.flags = (pa_source_flags_t) flags;
             i.state = (pa_source_state_t) state;
@@ -514,6 +522,11 @@ static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command,
                 cb(o->context, &i, 0, o->userdata);
             }
 
+            if (i.formats) {
+                for (j = 0; j < i.n_formats; j++)
+                    pa_format_info_free(i.formats[j]);
+                pa_xfree(i.formats);
+            }
             if (i.ports) {
                 pa_xfree(i.ports[0]);
                 pa_xfree(i.ports);
@@ -530,6 +543,25 @@ static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command,
 finish:
     pa_operation_done(o);
     pa_operation_unref(o);
+    return;
+
+fail:
+    pa_assert(i.proplist);
+
+    pa_context_fail(o->context, PA_ERR_PROTOCOL);
+
+    if (i.formats) {
+        for (j = 0; j < i.n_formats; j++)
+            pa_format_info_free(i.formats[j]);
+        pa_xfree(i.formats);
+    }
+    if (i.ports) {
+        pa_xfree(i.ports[0]);
+        pa_xfree(i.ports);
+    }
+    pa_proplist_free(i.proplist);
+
+    goto finish;
 }
 
 pa_operation* pa_context_get_source_info_list(pa_context *c, pa_source_info_cb_t cb, void *userdata) {
-- 
cgit