Support for setting volume on sources.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@560 fefdeb5f-60dc-0310-8127-8f9354f1896f

2 files changed, 62 insertions, 0 deletions

diff --git a/src/polyp/introspect.c b/src/polyp/introspect.c
index 043d2076..4fa23841 100644
--- a/src/polyp/introspect.c
+++ b/src/polyp/introspect.c
@@ -252,6 +252,7 @@ static void context_get_source_info_callback(pa_pdispatch *pd, uint32_t command,
                 pa_tagstruct_get_sample_spec(t, &i.sample_spec) < 0 ||
                 pa_tagstruct_get_channel_map(t, &i.channel_map) < 0 ||
                 pa_tagstruct_getu32(t, &i.owner_module) < 0 ||
+                pa_tagstruct_get_cvolume(t, &i.volume) < 0 ||
                 pa_tagstruct_getu32(t, &i.monitor_of_sink) < 0 ||
                 pa_tagstruct_gets(t, &i.monitor_of_sink_name) < 0 ||
                 pa_tagstruct_get_usec(t, &i.latency) < 0 ||
@@ -727,6 +728,60 @@ pa_operation* pa_context_set_sink_input_volume(pa_context *c, uint32_t idx, cons
     return o;
 }
 
+pa_operation* pa_context_set_source_volume_by_index(pa_context *c, uint32_t idx, const pa_cvolume *volume, pa_context_success_cb_t cb, void *userdata) {
+    pa_operation *o;
+    pa_tagstruct *t;
+    uint32_t tag;
+
+    assert(c);
+    assert(c->ref >= 1);
+    assert(volume);
+
+    PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, pa_cvolume_valid(volume), PA_ERR_INVALID);
+
+    o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
+
+    t = pa_tagstruct_new(NULL, 0);
+    pa_tagstruct_putu32(t, PA_COMMAND_SET_SOURCE_VOLUME);
+    pa_tagstruct_putu32(t, tag = c->ctag++);
+    pa_tagstruct_putu32(t, idx);
+    pa_tagstruct_puts(t, NULL);
+    pa_tagstruct_put_cvolume(t, volume);
+    pa_pstream_send_tagstruct(c->pstream, t);
+    pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o));
+
+    return o;
+}
+
+pa_operation* pa_context_set_source_volume_by_name(pa_context *c, const char *name, const pa_cvolume *volume, pa_context_success_cb_t cb, void *userdata) {
+    pa_operation *o;
+    pa_tagstruct *t;
+    uint32_t tag;
+
+    assert(c);
+    assert(c->ref >= 1);
+    assert(name);
+    assert(volume);
+
+    PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, pa_cvolume_valid(volume), PA_ERR_INVALID);
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !name || *name, PA_ERR_INVALID);
+    
+    o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
+
+    t = pa_tagstruct_new(NULL, 0);
+    pa_tagstruct_putu32(t, PA_COMMAND_SET_SOURCE_VOLUME);
+    pa_tagstruct_putu32(t, tag = c->ctag++);
+    pa_tagstruct_putu32(t, PA_INVALID_INDEX);
+    pa_tagstruct_puts(t, name);
+    pa_tagstruct_put_cvolume(t, volume);
+    pa_pstream_send_tagstruct(c->pstream, t);
+    pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o));
+
+    return o;
+}
+
 /** Sample Cache **/
 
 static void context_get_sample_info_callback(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
diff --git a/src/polyp/introspect.h b/src/polyp/introspect.h
index d4ff65fb..d7fad9c4 100644
--- a/src/polyp/introspect.h
+++ b/src/polyp/introspect.h
@@ -84,6 +84,7 @@ typedef struct pa_source_info {
     pa_sample_spec sample_spec;         /**< Sample spec of this source */
     pa_channel_map channel_map;         /**< Channel map \since 0.9 */
     uint32_t owner_module;              /**< Owning module index, or PA_INVALID_INDEX */
+    pa_cvolume volume;                  /**< Volume of the source \since 0.8 */
     uint32_t monitor_of_sink;           /**< If this is a monitor source the index of the owning sink, otherwise PA_INVALID_INDEX */
     const char *monitor_of_sink_name;   /**< Name of the owning sink, or PA_INVALID_INDEX */
     pa_usec_t latency;                  /**< Length of filled record buffer of this source. \since 0.5 */
@@ -213,6 +214,12 @@ pa_operation* pa_context_set_sink_volume_by_name(pa_context *c, const char *name
 /** Set the volume of a sink input stream */
 pa_operation* pa_context_set_sink_input_volume(pa_context *c, uint32_t idx, const pa_cvolume *volume, pa_context_success_cb_t cb, void *userdata);
 
+/** Set the volume of a source device specified by its index \since 0.8 */
+pa_operation* pa_context_set_source_volume_by_index(pa_context *c, uint32_t idx, const pa_cvolume *volume, pa_context_success_cb_t cb, void *userdata);
+
+/** Set the volume of a source device specified by its name \since 0.8 */
+pa_operation* pa_context_set_source_volume_by_name(pa_context *c, const char *name, const pa_cvolume *volume, pa_context_success_cb_t cb, void *userdata);
+
 /** Memory block statistics */
 typedef struct pa_stat_info {
     uint32_t memblock_total;           /**< Currently allocated memory blocks */