1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "ppapi/cpp/media_stream_audio_track.h"
6
7 #include "ppapi/c/pp_errors.h"
8 #include "ppapi/c/ppb_media_stream_audio_track.h"
9 #include "ppapi/cpp/audio_buffer.h"
10 #include "ppapi/cpp/completion_callback.h"
11 #include "ppapi/cpp/module_impl.h"
12 #include "ppapi/cpp/var.h"
13
14 namespace pp {
15
16 namespace {
17
interface_name()18 template <> const char* interface_name<PPB_MediaStreamAudioTrack_0_1>() {
19 return PPB_MEDIASTREAMAUDIOTRACK_INTERFACE_0_1;
20 }
21
22 } // namespace
23
MediaStreamAudioTrack()24 MediaStreamAudioTrack::MediaStreamAudioTrack() {
25 }
26
MediaStreamAudioTrack(const MediaStreamAudioTrack & other)27 MediaStreamAudioTrack::MediaStreamAudioTrack(
28 const MediaStreamAudioTrack& other) : Resource(other) {
29 }
30
MediaStreamAudioTrack(const Resource & resource)31 MediaStreamAudioTrack::MediaStreamAudioTrack(const Resource& resource)
32 : Resource(resource) {
33 PP_DCHECK(IsMediaStreamAudioTrack(resource));
34 }
35
MediaStreamAudioTrack(PassRef,PP_Resource resource)36 MediaStreamAudioTrack::MediaStreamAudioTrack(PassRef, PP_Resource resource)
37 : Resource(PASS_REF, resource) {
38 }
39
~MediaStreamAudioTrack()40 MediaStreamAudioTrack::~MediaStreamAudioTrack() {
41 }
42
Configure(const int32_t attributes[],const CompletionCallback & callback)43 int32_t MediaStreamAudioTrack::Configure(
44 const int32_t attributes[],
45 const CompletionCallback& callback) {
46 if (has_interface<PPB_MediaStreamAudioTrack_0_1>()) {
47 return get_interface<PPB_MediaStreamAudioTrack_0_1>()->Configure(
48 pp_resource(), attributes, callback.pp_completion_callback());
49 }
50 return callback.MayForce(PP_ERROR_NOINTERFACE);
51 }
52
GetAttrib(PP_MediaStreamAudioTrack_Attrib attrib,int32_t * value)53 int32_t MediaStreamAudioTrack::GetAttrib(PP_MediaStreamAudioTrack_Attrib attrib,
54 int32_t* value) {
55 if (has_interface<PPB_MediaStreamAudioTrack_0_1>()) {
56 return get_interface<PPB_MediaStreamAudioTrack_0_1>()->GetAttrib(
57 pp_resource(), attrib, value);
58 }
59 return PP_ERROR_NOINTERFACE;
60 }
61
GetId() const62 std::string MediaStreamAudioTrack::GetId() const {
63 if (has_interface<PPB_MediaStreamAudioTrack_0_1>()) {
64 pp::Var id(PASS_REF, get_interface<PPB_MediaStreamAudioTrack_0_1>()->GetId(
65 pp_resource()));
66 if (id.is_string())
67 return id.AsString();
68 }
69 return std::string();
70 }
71
HasEnded() const72 bool MediaStreamAudioTrack::HasEnded() const {
73 if (has_interface<PPB_MediaStreamAudioTrack_0_1>()) {
74 return PP_ToBool(get_interface<PPB_MediaStreamAudioTrack_0_1>()->HasEnded(
75 pp_resource()));
76 }
77 return true;
78 }
79
GetBuffer(const CompletionCallbackWithOutput<AudioBuffer> & callback)80 int32_t MediaStreamAudioTrack::GetBuffer(
81 const CompletionCallbackWithOutput<AudioBuffer>& callback) {
82 if (has_interface<PPB_MediaStreamAudioTrack_0_1>()) {
83 return get_interface<PPB_MediaStreamAudioTrack_0_1>()->GetBuffer(
84 pp_resource(), callback.output(), callback.pp_completion_callback());
85 }
86 return callback.MayForce(PP_ERROR_NOINTERFACE);
87 }
88
RecycleBuffer(const AudioBuffer & buffer)89 int32_t MediaStreamAudioTrack::RecycleBuffer(const AudioBuffer& buffer) {
90 if (has_interface<PPB_MediaStreamAudioTrack_0_1>()) {
91 return get_interface<PPB_MediaStreamAudioTrack_0_1>()->RecycleBuffer(
92 pp_resource(), buffer.pp_resource());
93 }
94 return PP_ERROR_NOINTERFACE;
95 }
96
Close()97 void MediaStreamAudioTrack::Close() {
98 if (has_interface<PPB_MediaStreamAudioTrack_0_1>())
99 get_interface<PPB_MediaStreamAudioTrack_0_1>()->Close(pp_resource());
100 }
101
102 // static
IsMediaStreamAudioTrack(const Resource & resource)103 bool MediaStreamAudioTrack::IsMediaStreamAudioTrack(const Resource& resource) {
104 if (has_interface<PPB_MediaStreamAudioTrack_0_1>()) {
105 return PP_ToBool(get_interface<PPB_MediaStreamAudioTrack_0_1>()->
106 IsMediaStreamAudioTrack(resource.pp_resource()));
107 }
108 return false;
109 }
110
111 } // namespace pp
112