content/renderer/pepper/ppb_video_decoder_impl.cc

   1 // Copyright (c) 2012 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 "content/renderer/pepper/ppb_video_decoder_impl.h"
   6
   7 #include <string>
   8
   9 #include "base/logging.h"
  10 #include "base/message_loop/message_loop.h"
  11 #include "base/metrics/histogram.h"
  12 #include "content/common/gpu/client/gpu_channel_host.h"
  13 #include "content/renderer/pepper/host_globals.h"
  14 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
  15 #include "content/renderer/pepper/plugin_module.h"
  16 #include "content/renderer/pepper/ppb_buffer_impl.h"
  17 #include "content/renderer/pepper/ppb_graphics_3d_impl.h"
  18 #include "content/renderer/render_thread_impl.h"
  19 #include "gpu/command_buffer/client/gles2_implementation.h"
  20 #include "media/video/picture.h"
  21 #include "media/video/video_decode_accelerator.h"
  22 #include "ppapi/c/dev/pp_video_dev.h"
  23 #include "ppapi/c/dev/ppb_video_decoder_dev.h"
  24 #include "ppapi/c/dev/ppp_video_decoder_dev.h"
  25 #include "ppapi/c/pp_completion_callback.h"
  26 #include "ppapi/c/pp_errors.h"
  27 #include "ppapi/shared_impl/resource_tracker.h"
  28 #include "ppapi/thunk/enter.h"
  29
  30 using ppapi::TrackedCallback;
  31 using ppapi::thunk::EnterResourceNoLock;
  32 using ppapi::thunk::PPB_Buffer_API;
  33 using ppapi::thunk::PPB_Graphics3D_API;
  34
  35 namespace {
  36
  37 // Convert PP_VideoDecoder_Profile to media::VideoCodecProfile.
  38 media::VideoCodecProfile PPToMediaProfile(
  39     const PP_VideoDecoder_Profile pp_profile) {
  40   switch (pp_profile) {
  41     case PP_VIDEODECODER_H264PROFILE_NONE:
  42     // HACK: PPAPI contains a bogus "none" h264 profile that doesn't
  43     // correspond to anything in h.264; but a number of released chromium
  44     // versions silently promoted this to Baseline profile, so we retain that
  45     // behavior here.  Fall through.
  46     case PP_VIDEODECODER_H264PROFILE_BASELINE:
  47       return media::H264PROFILE_BASELINE;
  48     case PP_VIDEODECODER_H264PROFILE_MAIN:
  49       return media::H264PROFILE_MAIN;
  50     case PP_VIDEODECODER_H264PROFILE_EXTENDED:
  51       return media::H264PROFILE_EXTENDED;
  52     case PP_VIDEODECODER_H264PROFILE_HIGH:
  53       return media::H264PROFILE_HIGH;
  54     case PP_VIDEODECODER_H264PROFILE_HIGH10PROFILE:
  55       return media::H264PROFILE_HIGH10PROFILE;
  56     case PP_VIDEODECODER_H264PROFILE_HIGH422PROFILE:
  57       return media::H264PROFILE_HIGH422PROFILE;
  58     case PP_VIDEODECODER_H264PROFILE_HIGH444PREDICTIVEPROFILE:
  59       return media::H264PROFILE_HIGH444PREDICTIVEPROFILE;
  60     case PP_VIDEODECODER_H264PROFILE_SCALABLEBASELINE:
  61       return media::H264PROFILE_SCALABLEBASELINE;
  62     case PP_VIDEODECODER_H264PROFILE_SCALABLEHIGH:
  63       return media::H264PROFILE_SCALABLEHIGH;
  64     case PP_VIDEODECODER_H264PROFILE_STEREOHIGH:
  65       return media::H264PROFILE_STEREOHIGH;
  66     case PP_VIDEODECODER_H264PROFILE_MULTIVIEWHIGH:
  67       return media::H264PROFILE_MULTIVIEWHIGH;
  68     case PP_VIDEODECODER_VP8PROFILE_ANY:
  69       return media::VP8PROFILE_ANY;
  70     default:
  71       return media::VIDEO_CODEC_PROFILE_UNKNOWN;
  72   }
  73 }
  74
  75 PP_VideoDecodeError_Dev MediaToPPError(
  76     media::VideoDecodeAccelerator::Error error) {
  77   switch (error) {
  78     case media::VideoDecodeAccelerator::ILLEGAL_STATE:
  79       return PP_VIDEODECODERERROR_ILLEGAL_STATE;
  80     case media::VideoDecodeAccelerator::INVALID_ARGUMENT:
  81       return PP_VIDEODECODERERROR_INVALID_ARGUMENT;
  82     case media::VideoDecodeAccelerator::UNREADABLE_INPUT:
  83       return PP_VIDEODECODERERROR_UNREADABLE_INPUT;
  84     case media::VideoDecodeAccelerator::PLATFORM_FAILURE:
  85       return PP_VIDEODECODERERROR_PLATFORM_FAILURE;
  86     default:
  87       NOTREACHED();
  88       return PP_VIDEODECODERERROR_ILLEGAL_STATE;
  89   }
  90 }
  91
  92 }  // namespace
  93
  94 namespace content {
  95
  96 PPB_VideoDecoder_Impl::PPB_VideoDecoder_Impl(PP_Instance instance)
  97     : PPB_VideoDecoder_Shared(instance), ppp_videodecoder_(NULL) {
  98   PluginModule* plugin_module =
  99       HostGlobals::Get()->GetInstance(pp_instance())->module();
 100   if (plugin_module) {
 101     ppp_videodecoder_ = static_cast<const PPP_VideoDecoder_Dev*>(
 102         plugin_module->GetPluginInterface(PPP_VIDEODECODER_DEV_INTERFACE));
 103   }
 104 }
 105
 106 PPB_VideoDecoder_Impl::~PPB_VideoDecoder_Impl() { Destroy(); }
 107
 108 // static
 109 PP_Resource PPB_VideoDecoder_Impl::Create(PP_Instance instance,
 110                                           PP_Resource graphics_context,
 111                                           PP_VideoDecoder_Profile profile) {
 112   scoped_refptr<PPB_VideoDecoder_Impl> decoder(
 113       new PPB_VideoDecoder_Impl(instance));
 114   if (decoder->Init(graphics_context, profile))
 115     return decoder->GetReference();
 116   return 0;
 117 }
 118
 119 bool PPB_VideoDecoder_Impl::Init(PP_Resource graphics_context,
 120                                  PP_VideoDecoder_Profile profile) {
 121   EnterResourceNoLock<PPB_Graphics3D_API> enter_context(graphics_context, true);
 122   if (enter_context.failed())
 123     return false;
 124
 125   PPB_Graphics3D_Impl* graphics_3d =
 126       static_cast<PPB_Graphics3D_Impl*>(enter_context.object());
 127
 128   int command_buffer_route_id = graphics_3d->GetCommandBufferRouteId();
 129   if (command_buffer_route_id == 0)
 130     return false;
 131
 132   InitCommon(graphics_context, graphics_3d->gles2_impl());
 133   FlushCommandBuffer();
 134
 135   // This is not synchronous, but subsequent IPC messages will be buffered, so
 136   // it is okay to immediately send IPC messages through the returned channel.
 137   GpuChannelHost* channel = graphics_3d->channel();
 138   DCHECK(channel);
 139   decoder_ = channel->CreateVideoDecoder(command_buffer_route_id);
 140   return (decoder_ && decoder_->Initialize(PPToMediaProfile(profile), this));
 141 }
 142
 143 int32_t PPB_VideoDecoder_Impl::Decode(
 144     const PP_VideoBitstreamBuffer_Dev* bitstream_buffer,
 145     scoped_refptr<TrackedCallback> callback) {
 146   if (!decoder_)
 147     return PP_ERROR_BADRESOURCE;
 148
 149   EnterResourceNoLock<PPB_Buffer_API> enter(bitstream_buffer->data, true);
 150   if (enter.failed())
 151     return PP_ERROR_FAILED;
 152
 153   PPB_Buffer_Impl* buffer = static_cast<PPB_Buffer_Impl*>(enter.object());
 154   DCHECK_GE(bitstream_buffer->id, 0);
 155   media::BitstreamBuffer decode_buffer(bitstream_buffer->id,
 156                                        buffer->shared_memory()->handle(),
 157                                        bitstream_buffer->size);
 158   if (!SetBitstreamBufferCallback(bitstream_buffer->id, callback))
 159     return PP_ERROR_BADARGUMENT;
 160
 161   FlushCommandBuffer();
 162   decoder_->Decode(decode_buffer);
 163   return PP_OK_COMPLETIONPENDING;
 164 }
 165
 166 void PPB_VideoDecoder_Impl::AssignPictureBuffers(
 167     uint32_t no_of_buffers,
 168     const PP_PictureBuffer_Dev* buffers) {
 169   if (!decoder_)
 170     return;
 171   UMA_HISTOGRAM_COUNTS_100("Media.PepperVideoDecoderPictureCount",
 172                            no_of_buffers);
 173
 174   std::vector<media::PictureBuffer> wrapped_buffers;
 175   for (uint32 i = 0; i < no_of_buffers; i++) {
 176     PP_PictureBuffer_Dev in_buf = buffers[i];
 177     DCHECK_GE(in_buf.id, 0);
 178     media::PictureBuffer buffer(
 179         in_buf.id,
 180         gfx::Size(in_buf.size.width, in_buf.size.height),
 181         in_buf.texture_id);
 182     wrapped_buffers.push_back(buffer);
 183     UMA_HISTOGRAM_COUNTS_10000("Media.PepperVideoDecoderPictureHeight",
 184                                in_buf.size.height);
 185   }
 186
 187   FlushCommandBuffer();
 188   decoder_->AssignPictureBuffers(wrapped_buffers);
 189 }
 190
 191 void PPB_VideoDecoder_Impl::ReusePictureBuffer(int32_t picture_buffer_id) {
 192   if (!decoder_)
 193     return;
 194
 195   FlushCommandBuffer();
 196   decoder_->ReusePictureBuffer(picture_buffer_id);
 197 }
 198
 199 int32_t PPB_VideoDecoder_Impl::Flush(scoped_refptr<TrackedCallback> callback) {
 200   if (!decoder_)
 201     return PP_ERROR_BADRESOURCE;
 202
 203   if (!SetFlushCallback(callback))
 204     return PP_ERROR_INPROGRESS;
 205
 206   FlushCommandBuffer();
 207   decoder_->Flush();
 208   return PP_OK_COMPLETIONPENDING;
 209 }
 210
 211 int32_t PPB_VideoDecoder_Impl::Reset(scoped_refptr<TrackedCallback> callback) {
 212   if (!decoder_)
 213     return PP_ERROR_BADRESOURCE;
 214
 215   if (!SetResetCallback(callback))
 216     return PP_ERROR_INPROGRESS;
 217
 218   FlushCommandBuffer();
 219   decoder_->Reset();
 220   return PP_OK_COMPLETIONPENDING;
 221 }
 222
 223 void PPB_VideoDecoder_Impl::Destroy() {
 224   FlushCommandBuffer();
 225
 226   decoder_.reset();
 227   ppp_videodecoder_ = NULL;
 228
 229   ::ppapi::PPB_VideoDecoder_Shared::Destroy();
 230 }
 231
 232 void PPB_VideoDecoder_Impl::ProvidePictureBuffers(
 233     uint32 requested_num_of_buffers,
 234     const gfx::Size& dimensions,
 235     uint32 texture_target) {
 236   DCHECK(RenderThreadImpl::current());
 237   if (!ppp_videodecoder_)
 238     return;
 239
 240   PP_Size out_dim = PP_MakeSize(dimensions.width(), dimensions.height());
 241   ppp_videodecoder_->ProvidePictureBuffers(pp_instance(),
 242                                            pp_resource(),
 243                                            requested_num_of_buffers,
 244                                            &out_dim,
 245                                            texture_target);
 246 }
 247
 248 void PPB_VideoDecoder_Impl::PictureReady(const media::Picture& picture) {
 249   // So far picture.visible_rect is not used. If used, visible_rect should
 250   // be validated since it comes from GPU process and may not be trustworthy.
 251   DCHECK(RenderThreadImpl::current());
 252   if (!ppp_videodecoder_)
 253     return;
 254
 255   PP_Picture_Dev output;
 256   output.picture_buffer_id = picture.picture_buffer_id();
 257   output.bitstream_buffer_id = picture.bitstream_buffer_id();
 258   ppp_videodecoder_->PictureReady(pp_instance(), pp_resource(), &output);
 259 }
 260
 261 void PPB_VideoDecoder_Impl::DismissPictureBuffer(int32 picture_buffer_id) {
 262   DCHECK(RenderThreadImpl::current());
 263   if (!ppp_videodecoder_)
 264     return;
 265   ppp_videodecoder_->DismissPictureBuffer(
 266       pp_instance(), pp_resource(), picture_buffer_id);
 267 }
 268
 269 void PPB_VideoDecoder_Impl::NotifyError(
 270     media::VideoDecodeAccelerator::Error error) {
 271   DCHECK(RenderThreadImpl::current());
 272   if (!ppp_videodecoder_)
 273     return;
 274
 275   PP_VideoDecodeError_Dev pp_error = MediaToPPError(error);
 276   ppp_videodecoder_->NotifyError(pp_instance(), pp_resource(), pp_error);
 277   UMA_HISTOGRAM_ENUMERATION("Media.PepperVideoDecoderError",
 278                             error,
 279                             media::VideoDecodeAccelerator::LARGEST_ERROR_ENUM);
 280 }
 281
 282 void PPB_VideoDecoder_Impl::NotifyResetDone() {
 283   DCHECK(RenderThreadImpl::current());
 284   RunResetCallback(PP_OK);
 285 }
 286
 287 void PPB_VideoDecoder_Impl::NotifyEndOfBitstreamBuffer(
 288     int32 bitstream_buffer_id) {
 289   DCHECK(RenderThreadImpl::current());
 290   RunBitstreamBufferCallback(bitstream_buffer_id, PP_OK);
 291 }
 292
 293 void PPB_VideoDecoder_Impl::NotifyFlushDone() {
 294   DCHECK(RenderThreadImpl::current());
 295   RunFlushCallback(PP_OK);
 296 }
 297
 298 }  // namespace content