Simplified AudioOutputStream interface.

1. Removed packet_size parameter from Open().
2. Removed OnClose() from the callback. Now the callback is guaranteed to be called only between Start() and Stop().
3. Added samples_per_packet in the AudioParameters struct.

BUG=39825
TEST=Unittests

Review URL: http://codereview.chromium.org/4661001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@65766 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 4 insertions, 5 deletions

diff --git a/chrome/common/render_messages_params.cc b/chrome/common/render_messages_params.cc
index a57b076..b0ee44a 100644
--- a/chrome/common/render_messages_params.cc
+++ b/chrome/common/render_messages_params.cc
@@ -136,8 +136,7 @@ ViewHostMsg_DidPrintPage_Params::ViewHostMsg_DidPrintPage_Params()
 ViewHostMsg_DidPrintPage_Params::~ViewHostMsg_DidPrintPage_Params() {
 }
 
-ViewHostMsg_Audio_CreateStream_Params::ViewHostMsg_Audio_CreateStream_Params()
-    : packet_size(0) {
+ViewHostMsg_Audio_CreateStream_Params::ViewHostMsg_Audio_CreateStream_Params() {
 }
 
 ViewHostMsg_Audio_CreateStream_Params::
@@ -1096,7 +1095,7 @@ void ParamTraits<ViewHostMsg_Audio_CreateStream_Params>::Write(
   WriteParam(m, p.params.channels);
   WriteParam(m, p.params.sample_rate);
   WriteParam(m, p.params.bits_per_sample);
-  WriteParam(m, p.packet_size);
+  WriteParam(m, p.params.samples_per_packet);
 }
 
 bool ParamTraits<ViewHostMsg_Audio_CreateStream_Params>::Read(const Message* m,
@@ -1107,7 +1106,7 @@ bool ParamTraits<ViewHostMsg_Audio_CreateStream_Params>::Read(const Message* m,
       ReadParam(m, iter, &p->params.channels) &&
       ReadParam(m, iter, &p->params.sample_rate) &&
       ReadParam(m, iter, &p->params.bits_per_sample) &&
-      ReadParam(m, iter, &p->packet_size);
+      ReadParam(m, iter, &p->params.samples_per_packet);
 }
 
 void ParamTraits<ViewHostMsg_Audio_CreateStream_Params>::Log(
@@ -1122,7 +1121,7 @@ void ParamTraits<ViewHostMsg_Audio_CreateStream_Params>::Log(
   l->append(", ");
   LogParam(p.params.bits_per_sample, l);
   l->append(", ");
-  LogParam(p.packet_size, l);
+  LogParam(p.params.samples_per_packet, l);
   l->append(")");
 }