ppapi: implement PPB_AudioEncoder

ppapi/proxy/ppapi_messages.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Multiply-included message header, no traditional include guard.
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 111 matching lines @@
 IPC_ENUM_TRAITS(PP_TrueTypeFontStyle_Dev)
 IPC_ENUM_TRAITS(PP_TrueTypeFontWeight_Dev)
 IPC_ENUM_TRAITS(PP_TrueTypeFontWidth_Dev)
 IPC_ENUM_TRAITS(PP_TrueTypeFontCharset_Dev)
 IPC_ENUM_TRAITS_MAX_VALUE(PP_UDPSocket_Option,
                           PP_UDPSOCKET_OPTION_MULTICAST_TTL)
 IPC_ENUM_TRAITS(PP_VideoDecodeError_Dev)
 IPC_ENUM_TRAITS(PP_VideoDecoder_Profile)
 IPC_ENUM_TRAITS_MAX_VALUE(PP_VideoFrame_Format, PP_VIDEOFRAME_FORMAT_LAST)
 IPC_ENUM_TRAITS_MAX_VALUE(PP_HardwareAcceleration, PP_HARDWAREACCELERATION_LAST)
+IPC_ENUM_TRAITS_MAX_VALUE(PP_AudioProfile, PP_AUDIOPROFILE_MAX)
 IPC_ENUM_TRAITS_MAX_VALUE(PP_VideoProfile, PP_VIDEOPROFILE_MAX)
 
 IPC_STRUCT_TRAITS_BEGIN(PP_Point)
   IPC_STRUCT_TRAITS_MEMBER(x)
   IPC_STRUCT_TRAITS_MEMBER(y)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(PP_FloatPoint)
   IPC_STRUCT_TRAITS_MEMBER(x)
   IPC_STRUCT_TRAITS_MEMBER(y)
@@ skipping 292 matching lines @@
 // The list of switches can be found in:
 //   components/nacl/browser/nacl_process_host.cc
 IPC_STRUCT_TRAITS_BEGIN(ppapi::PpapiNaClPluginArgs)
   IPC_STRUCT_TRAITS_MEMBER(off_the_record)
   IPC_STRUCT_TRAITS_MEMBER(permissions)
   IPC_STRUCT_TRAITS_MEMBER(keepalive_throttle_interval_milliseconds)
   IPC_STRUCT_TRAITS_MEMBER(switch_names)
   IPC_STRUCT_TRAITS_MEMBER(switch_values)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(PP_AudioProfileDescription)
+  IPC_STRUCT_TRAITS_MEMBER(profile)
+  IPC_STRUCT_TRAITS_MEMBER(max_channels)
+  IPC_STRUCT_TRAITS_MEMBER(sample_size)
+  IPC_STRUCT_TRAITS_MEMBER(sample_rate)
+  IPC_STRUCT_TRAITS_MEMBER(hardware_accelerated)
+IPC_STRUCT_TRAITS_END()
+
 IPC_STRUCT_TRAITS_BEGIN(PP_VideoProfileDescription)
 IPC_STRUCT_TRAITS_MEMBER(profile)
 IPC_STRUCT_TRAITS_MEMBER(max_resolution)
 IPC_STRUCT_TRAITS_MEMBER(max_framerate_numerator)
 IPC_STRUCT_TRAITS_MEMBER(max_framerate_denominator)
 IPC_STRUCT_TRAITS_MEMBER(hardware_accelerated)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(ppapi::proxy::PPB_AudioEncodeParameters)
+  IPC_STRUCT_TRAITS_MEMBER(channels)
+  IPC_STRUCT_TRAITS_MEMBER(input_sample_rate)
+  IPC_STRUCT_TRAITS_MEMBER(input_sample_size)
+  IPC_STRUCT_TRAITS_MEMBER(output_profile)
+  IPC_STRUCT_TRAITS_MEMBER(initial_bitrate)
+  IPC_STRUCT_TRAITS_MEMBER(acceleration)
+IPC_STRUCT_TRAITS_END()
+
 #if !defined(OS_NACL) && !defined(NACL_WIN64)
 
 IPC_STRUCT_TRAITS_BEGIN(ppapi::proxy::PPPDecryptor_Buffer)
   IPC_STRUCT_TRAITS_MEMBER(resource)
   IPC_STRUCT_TRAITS_MEMBER(handle)
   IPC_STRUCT_TRAITS_MEMBER(size)
 IPC_STRUCT_TRAITS_END()
 
 #endif  // !defined(OS_NACL) && !defined(NACL_WIN64)
 
@@ skipping 420 matching lines @@
 // PPB_Audio.
 IPC_SYNC_MESSAGE_ROUTED3_1(PpapiHostMsg_PPBAudio_Create,
                            PP_Instance /* instance_id */,
                            int32_t /* sample_rate */,
                            uint32_t /* sample_frame_count */,
                            ppapi::HostResource /* result */)
 IPC_MESSAGE_ROUTED2(PpapiHostMsg_PPBAudio_StartOrStop,
                     ppapi::HostResource /* audio_id */,
                     bool /* play */)
 
+// PPB_AudioEncoder
+IPC_MESSAGE_CONTROL0(PpapiHostMsg_AudioEncoder_Create)
+IPC_MESSAGE_CONTROL0(PpapiHostMsg_AudioEncoder_GetSupportedProfiles)
+IPC_MESSAGE_CONTROL1(PpapiPluginMsg_AudioEncoder_GetSupportedProfilesReply,
+                     std::vector<PP_AudioProfileDescription> /* results */)
+IPC_MESSAGE_CONTROL1(PpapiHostMsg_AudioEncoder_Initialize,
+                     ppapi::proxy::PPB_AudioEncodeParameters /* parameters */)
+IPC_MESSAGE_CONTROL3(PpapiPluginMsg_AudioEncoder_InitializeReply,
+                     uint32_t /* number_of_samples */,
+                     uint32_t /* buffer_count */,
+                     uint32_t /* buffer_size */)
+IPC_MESSAGE_CONTROL0(PpapiHostMsg_AudioEncoder_GetAudioFrames)

[bbudge, 2015/10/06 00:54:25]

The IDL for PPB_AudioEncoder talks about audio buffers and bitstream buffers,
not frames. Could we use a consistent terminology here too?

[llandwerlin-old, 2015/10/06 10:28:57]

Done.

+IPC_MESSAGE_CONTROL2(PpapiPluginMsg_AudioEncoder_GetAudioFramesReply,
+                     uint32_t /* frame_count */,
+                     uint32_t /* frame_length */)
+IPC_MESSAGE_CONTROL1(PpapiHostMsg_AudioEncoder_Encode, uint32_t /* buffer_id */)
+IPC_MESSAGE_CONTROL1(PpapiPluginMsg_AudioEncoder_EncodeReply,
+                     uint32_t /* buffer_id */)
+IPC_MESSAGE_CONTROL2(PpapiPluginMsg_AudioEncoder_BitstreamBufferReady,
+                     uint32_t /* buffer_id */,
+                     uint32_t /* buffer_size */)
+IPC_MESSAGE_CONTROL1(PpapiHostMsg_AudioEncoder_RecycleBitstreamBuffer,
+                     uint32_t /* buffer_id */)
+IPC_MESSAGE_CONTROL1(PpapiHostMsg_AudioEncoder_RequestBitrateChange,
+                     uint32_t /* bitrate */)
+IPC_MESSAGE_CONTROL1(PpapiPluginMsg_AudioEncoder_NotifyError,
+                     int32_t /* error */)
+IPC_MESSAGE_CONTROL0(PpapiHostMsg_AudioEncoder_Close)
+
 // PPB_Core.
 IPC_MESSAGE_ROUTED1(PpapiHostMsg_PPBCore_AddRefResource,
                     ppapi::HostResource)
 IPC_MESSAGE_ROUTED1(PpapiHostMsg_PPBCore_ReleaseResource,
                     ppapi::HostResource)
 
 // PPB_Graphics3D.
 IPC_SYNC_MESSAGE_ROUTED3_4(PpapiHostMsg_PPBGraphics3D_Create,
                            PP_Instance /* instance */,
                            ppapi::HostResource /* share_context */,
@@ skipping 1423 matching lines @@
                      std::vector<ppapi::HostResource> /* buffers */,
                      uint32_t /* buffer_size */)
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_VideoCapture_OnStatus,
                      uint32_t /* status */)
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_VideoCapture_OnError,
                      uint32_t /* error */)
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_VideoCapture_OnBufferReady,
                      uint32_t /* buffer */)
 
 #endif  // !defined(OS_NACL) && !defined(NACL_WIN64)