Implement Pepper PPB_VideoDecoder interface.

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"
 #include "base/files/file_path.h"
 #include "base/memory/shared_memory.h"
 #include "base/process/process.h"
 #include "base/strings/string16.h"
 #include "base/sync_socket.h"
 #include "base/values.h"
 #include "gpu/command_buffer/common/command_buffer.h"
+#include "gpu/command_buffer/common/mailbox.h"
 #include "gpu/ipc/gpu_command_buffer_traits.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_message_utils.h"
 #include "ipc/ipc_platform_file.h"
 #include "ppapi/c/dev/pp_video_capture_dev.h"
 #include "ppapi/c/dev/pp_video_dev.h"
 #include "ppapi/c/dev/ppb_truetype_font_dev.h"
 #include "ppapi/c/dev/ppb_url_util_dev.h"
 #include "ppapi/c/dev/ppp_printing_dev.h"
 #include "ppapi/c/pp_bool.h"
+#include "ppapi/c/pp_codecs.h"
 #include "ppapi/c/pp_file_info.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/c/pp_point.h"
 #include "ppapi/c/pp_rect.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_size.h"
 #include "ppapi/c/pp_time.h"
 #include "ppapi/c/ppb_audio_config.h"
 #include "ppapi/c/ppb_image_data.h"
@@ skipping 74 matching lines @@
 IPC_ENUM_TRAITS(PP_TrueTypeFontFamily_Dev)
 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_RECV_BUFFER_SIZE)
 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_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)
 IPC_STRUCT_TRAITS_END()
@@ skipping 1669 matching lines @@
 
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_OutputProtection_Create)
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_OutputProtection_EnableProtection,
                      uint32_t /* desired_method_mask */)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_OutputProtection_EnableProtectionReply)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_OutputProtection_QueryStatus)
 IPC_MESSAGE_CONTROL2(PpapiPluginMsg_OutputProtection_QueryStatusReply,
                      uint32_t /* link_mask */,
                      uint32_t /* protection_mask */)
 
+// VideoDecoder ------------------------------------------------------
+
+IPC_MESSAGE_CONTROL0(PpapiHostMsg_VideoDecoder_Create)
+IPC_MESSAGE_CONTROL3(PpapiHostMsg_VideoDecoder_Initialize,
+                     ppapi::HostResource /* graphics_context */,
+                     PP_VideoProfile /* profile */,
+                     bool /* allow_software_fallback */)
+IPC_MESSAGE_CONTROL0(PpapiPluginMsg_VideoDecoder_InitializeReply)
+IPC_MESSAGE_CONTROL2(PpapiHostMsg_VideoDecoder_GetShm,
+                     uint32_t /* shm_id */,
+                     uint32_t /* shm_size */)
+// On success, a shm handle is passed in the ReplyParams struct.
+IPC_MESSAGE_CONTROL1(PpapiPluginMsg_VideoDecoder_GetShmReply,
+                     uint32_t /* shm_size */)
+IPC_MESSAGE_CONTROL2(PpapiHostMsg_VideoDecoder_Decode,
+                     uint32_t /* shm_id */,
+                     uint32_t /* size */)
+IPC_MESSAGE_CONTROL1(PpapiPluginMsg_VideoDecoder_DecodeReply,
+                     uint32_t /* shm_id */)
+IPC_MESSAGE_CONTROL3(PpapiPluginMsg_VideoDecoder_RequestTextures,
+                     uint32_t /* num_textures */,
+                     PP_Size /* size */,
+                     uint32_t /* texture_target */)
+IPC_MESSAGE_CONTROL2(PpapiHostMsg_VideoDecoder_AssignTextures,
+                     PP_Size /* size */,
+                     std::vector<uint32_t> /* texture_ids */)
+IPC_MESSAGE_CONTROL2(PpapiPluginMsg_VideoDecoder_PictureReady,
+                     uint32_t /* decode_id */,

[Ami GONE FROM CHROMIUM, 2014/05/28 20:50:56]

decode_id is not an argument to PpapiHostMsg_VideoDecoder_Decode

[bbudge, 2014/05/29 00:03:34]

Both sides count Decode calls in unison. 'decode_id' allows the host to identify
the decode which generated the picture. I added some comments around the host
and resource's num_decodes_ fields.

+                     uint32_t /* texture_id */)
+IPC_MESSAGE_CONTROL1(PpapiHostMsg_VideoDecoder_RecyclePicture,
+                     uint32_t /* texture_id */)
+IPC_MESSAGE_CONTROL1(PpapiPluginMsg_VideoDecoder_DismissPicture,
+                     uint32_t /* texture_id */)
+IPC_MESSAGE_CONTROL0(PpapiHostMsg_VideoDecoder_Flush)
+IPC_MESSAGE_CONTROL0(PpapiPluginMsg_VideoDecoder_FlushReply)
+IPC_MESSAGE_CONTROL0(PpapiHostMsg_VideoDecoder_Reset)
+IPC_MESSAGE_CONTROL0(PpapiPluginMsg_VideoDecoder_ResetReply)
+IPC_MESSAGE_CONTROL1(PpapiPluginMsg_VideoDecoder_NotifyError,
+                     int32_t /* error */)
+
 #if !defined(OS_NACL) && !defined(NACL_WIN64)
 
 // Audio input.
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_AudioInput_Create)
 IPC_MESSAGE_CONTROL3(PpapiHostMsg_AudioInput_Open,
                      std::string /* device_id */,
                      PP_AudioSampleRate /* sample_rate */,
                      uint32_t /* sample_frame_count */)
 // Reply to an Open call. This supplies a socket handle and a shared memory
 // handle. Both handles are passed in the ReplyParams struct.
@@ skipping 291 matching lines @@
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_Talk_RequestPermission,
                      PP_TalkPermission /* permission */)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_Talk_RequestPermissionReply)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_Talk_StartRemoting)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_Talk_StartRemotingReply)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_Talk_StopRemoting)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_Talk_StopRemotingReply)
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_Talk_NotifyEvent, PP_TalkEvent /* event */)
 
 #endif  // !defined(OS_NACL) && !defined(NACL_WIN64)