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/command_buffer_proxy_impl.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 }
  99
 100 PPB_VideoDecoder_Impl::~PPB_VideoDecoder_Impl() { Destroy(); }
 101
 102 // static
 103 PP_Resource PPB_VideoDecoder_Impl::Create(PP_Instance instance,
 104                                           PP_Resource graphics_context,
 105                                           PP_VideoDecoder_Profile profile) {
 106   scoped_refptr<PPB_VideoDecoder_Impl> decoder(
 107       new PPB_VideoDecoder_Impl(instance));
 108   if (decoder->Init(graphics_context, profile))
 109     return decoder->GetReference();
 110   return 0;
 111 }
 112
 113 bool PPB_VideoDecoder_Impl::Init(PP_Resource graphics_context,
 114                                  PP_VideoDecoder_Profile profile) {
 115   EnterResourceNoLock<PPB_Graphics3D_API> enter_context(graphics_context, true);
 116   if (enter_context.failed())
 117     return false;
 118
 119   PPB_Graphics3D_Impl* graphics_3d =
 120       static_cast<PPB_Graphics3D_Impl*>(enter_context.object());
 121
 122   CommandBufferProxyImpl* command_buffer = graphics_3d->GetCommandBufferProxy();
 123   if (!command_buffer)
 124     return false;
 125
 126   InitCommon(graphics_context, graphics_3d->gles2_impl());
 127   FlushCommandBuffer();
 128
 129   // This is not synchronous, but subsequent IPC messages will be buffered, so
 130   // it is okay to immediately send IPC messages.
 131   decoder_ = command_buffer->CreateVideoDecoder();
 132   return (decoder_ && decoder_->Initialize(PPToMediaProfile(profile), this));
 133 }
 134
 135 const PPP_VideoDecoder_Dev* PPB_VideoDecoder_Impl::GetPPP() {
 136   if (!ppp_videodecoder_) {
 137     PluginModule* plugin_module =
 138         HostGlobals::Get()->GetInstance(pp_instance())->module();
 139     if (plugin_module) {
 140       ppp_videodecoder_ = static_cast<const PPP_VideoDecoder_Dev*>(
 141           plugin_module->GetPluginInterface(PPP_VIDEODECODER_DEV_INTERFACE));
 142     }
 143   }
 144   return ppp_videodecoder_;
 145 }
 146
 147 int32_t PPB_VideoDecoder_Impl::Decode(
 148     const PP_VideoBitstreamBuffer_Dev* bitstream_buffer,
 149     scoped_refptr<TrackedCallback> callback) {
 150   if (!decoder_)
 151     return PP_ERROR_BADRESOURCE;
 152
 153   EnterResourceNoLock<PPB_Buffer_API> enter(bitstream_buffer->data, true);
 154   if (enter.failed())
 155     return PP_ERROR_FAILED;
 156
 157   PPB_Buffer_Impl* buffer = static_cast<PPB_Buffer_Impl*>(enter.object());
 158   DCHECK_GE(bitstream_buffer->id, 0);
 159   media::BitstreamBuffer decode_buffer(bitstream_buffer->id,
 160                                        buffer->shared_memory()->handle(),
 161                                        bitstream_buffer->size);
 162   if (!SetBitstreamBufferCallback(bitstream_buffer->id, callback))
 163     return PP_ERROR_BADARGUMENT;
 164
 165   FlushCommandBuffer();
 166   decoder_->Decode(decode_buffer);
 167   return PP_OK_COMPLETIONPENDING;
 168 }
 169
 170 void PPB_VideoDecoder_Impl::AssignPictureBuffers(
 171     uint32_t no_of_buffers,
 172     const PP_PictureBuffer_Dev* buffers) {
 173   if (!decoder_)
 174     return;
 175   UMA_HISTOGRAM_COUNTS_100("Media.PepperVideoDecoderPictureCount",
 176                            no_of_buffers);
 177
 178   std::vector<media::PictureBuffer> wrapped_buffers;
 179   for (uint32 i = 0; i < no_of_buffers; i++) {
 180     PP_PictureBuffer_Dev in_buf = buffers[i];
 181     DCHECK_GE(in_buf.id, 0);
 182     media::PictureBuffer buffer(
 183         in_buf.id,
 184         gfx::Size(in_buf.size.width, in_buf.size.height),
 185         in_buf.texture_id);
 186     wrapped_buffers.push_back(buffer);
 187     UMA_HISTOGRAM_COUNTS_10000("Media.PepperVideoDecoderPictureHeight",
 188                                in_buf.size.height);
 189   }
 190
 191   FlushCommandBuffer();
 192   decoder_->AssignPictureBuffers(wrapped_buffers);
 193 }
 194
 195 void PPB_VideoDecoder_Impl::ReusePictureBuffer(int32_t picture_buffer_id) {
 196   if (!decoder_)
 197     return;
 198
 199   FlushCommandBuffer();
 200   decoder_->ReusePictureBuffer(picture_buffer_id);
 201 }
 202
 203 int32_t PPB_VideoDecoder_Impl::Flush(scoped_refptr<TrackedCallback> callback) {
 204   if (!decoder_)
 205     return PP_ERROR_BADRESOURCE;
 206
 207   if (!SetFlushCallback(callback))
 208     return PP_ERROR_INPROGRESS;
 209
 210   FlushCommandBuffer();
 211   decoder_->Flush();
 212   return PP_OK_COMPLETIONPENDING;
 213 }
 214
 215 int32_t PPB_VideoDecoder_Impl::Reset(scoped_refptr<TrackedCallback> callback) {
 216   if (!decoder_)
 217     return PP_ERROR_BADRESOURCE;
 218
 219   if (!SetResetCallback(callback))
 220     return PP_ERROR_INPROGRESS;
 221
 222   FlushCommandBuffer();
 223   decoder_->Reset();
 224   return PP_OK_COMPLETIONPENDING;
 225 }
 226
 227 void PPB_VideoDecoder_Impl::Destroy() {
 228   FlushCommandBuffer();
 229
 230   decoder_.reset();
 231   ppp_videodecoder_ = NULL;
 232
 233   ::ppapi::PPB_VideoDecoder_Shared::Destroy();
 234 }
 235
 236 void PPB_VideoDecoder_Impl::ProvidePictureBuffers(
 237     uint32 requested_num_of_buffers,
 238     const gfx::Size& dimensions,
 239     uint32 texture_target) {
 240   DCHECK(RenderThreadImpl::current());
 241   if (!GetPPP())
 242     return;
 243
 244   PP_Size out_dim = PP_MakeSize(dimensions.width(), dimensions.height());
 245   GetPPP()->ProvidePictureBuffers(pp_instance(), pp_resource(),
 246                                   requested_num_of_buffers, &out_dim,
 247                                   texture_target);
 248 }
 249
 250 void PPB_VideoDecoder_Impl::PictureReady(const media::Picture& picture) {
 251   // So far picture.visible_rect is not used. If used, visible_rect should
 252   // be validated since it comes from GPU process and may not be trustworthy.
 253   DCHECK(RenderThreadImpl::current());
 254   if (!GetPPP())
 255     return;
 256
 257   PP_Picture_Dev output;
 258   output.picture_buffer_id = picture.picture_buffer_id();
 259   output.bitstream_buffer_id = picture.bitstream_buffer_id();
 260   GetPPP()->PictureReady(pp_instance(), pp_resource(), &output);
 261 }
 262
 263 void PPB_VideoDecoder_Impl::DismissPictureBuffer(int32 picture_buffer_id) {
 264   DCHECK(RenderThreadImpl::current());
 265   if (!GetPPP())
 266     return;
 267   GetPPP()->DismissPictureBuffer(pp_instance(), pp_resource(),
 268                                  picture_buffer_id);
 269 }
 270
 271 void PPB_VideoDecoder_Impl::NotifyError(
 272     media::VideoDecodeAccelerator::Error error) {
 273   DCHECK(RenderThreadImpl::current());
 274   if (!GetPPP())
 275     return;
 276
 277   PP_VideoDecodeError_Dev pp_error = MediaToPPError(error);
 278   GetPPP()->NotifyError(pp_instance(), pp_resource(), pp_error);
 279   UMA_HISTOGRAM_ENUMERATION("Media.PepperVideoDecoderError",
 280                             error,
 281                             media::VideoDecodeAccelerator::LARGEST_ERROR_ENUM);
 282 }
 283
 284 void PPB_VideoDecoder_Impl::NotifyResetDone() {
 285   DCHECK(RenderThreadImpl::current());
 286   RunResetCallback(PP_OK);
 287 }
 288
 289 void PPB_VideoDecoder_Impl::NotifyEndOfBitstreamBuffer(
 290     int32 bitstream_buffer_id) {
 291   DCHECK(RenderThreadImpl::current());
 292   RunBitstreamBufferCallback(bitstream_buffer_id, PP_OK);
 293 }
 294
 295 void PPB_VideoDecoder_Impl::NotifyFlushDone() {
 296   DCHECK(RenderThreadImpl::current());
 297   RunFlushCallback(PP_OK);
 298 }
 299
 300 }  // namespace content