VaapiVEA: Get maximum resolution from libva

content/common/gpu/media/vaapi_wrapper.cc

 // Copyright 2013 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.
 
 #include "content/common/gpu/media/vaapi_wrapper.h"
 
 #include <dlfcn.h>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 144 matching lines @@
 }
 
 VaapiWrapper::~VaapiWrapper() {
   DestroyPendingBuffers();
   DestroyCodedBuffers();
   DestroySurfaces();
   DeinitializeVpp();
   Deinitialize();
 }
 
+// static
 scoped_ptr<VaapiWrapper> VaapiWrapper::Create(
     CodecMode mode,
     media::VideoCodecProfile profile,
     const base::Closure& report_error_to_uma_cb) {
   scoped_ptr<VaapiWrapper> vaapi_wrapper(new VaapiWrapper());
 
   if (!vaapi_wrapper->Initialize(mode, profile, report_error_to_uma_cb))
     vaapi_wrapper.reset();
 
   return vaapi_wrapper.Pass();
 }
 
+// static
 std::vector<media::VideoCodecProfile> VaapiWrapper::GetSupportedEncodeProfiles(
     const base::Closure& report_error_to_uma_cb) {
   std::vector<media::VideoCodecProfile> supported_profiles;
 
   scoped_ptr<VaapiWrapper> wrapper(new VaapiWrapper());
   if (!wrapper->VaInitialize(report_error_to_uma_cb)) {
     return supported_profiles;
   }
 
   std::vector<VAProfile> va_profiles;
@@ skipping 144 matching lines @@
         (attribs[i].value & required_attribs[i].value) !=
             required_attribs[i].value) {
       DVLOG(1) << "Unsupported value " << required_attribs[i].value
                << " for attribute type " << required_attribs[i].type;
       return false;
     }
   }
   return true;
 }
 
+bool VaapiWrapper::GetVaCodecMaxResolution(gfx::Size* resolution) {
+  base::AutoLock auto_lock(va_lock_);
+  unsigned int width = 0, height = 0;
+  VAStatus va_res = vaGetCodecResolution(va_display_, &width, &height);
+  VA_SUCCESS_OR_RETURN(va_res, "vaGetCodecResolution failed", false);
+  resolution->SetSize(width, height);
+  return true;
+}
+
 bool VaapiWrapper::Initialize(CodecMode mode,
                               media::VideoCodecProfile profile,
                               const base::Closure& report_error_to_uma_cb) {
   if (!VaInitialize(report_error_to_uma_cb))
     return false;
   std::vector<VAProfile> supported_va_profiles;
   if (!GetSupportedVaProfiles(&supported_va_profiles))
     return false;
   VAProfile va_profile = ProfileToVAProfile(profile, supported_va_profiles);
   if (va_profile == VAProfileNone) {
@@ skipping 555 matching lines @@
 #if defined(USE_X11)
   paths[kModuleVa_x11].push_back("libva-x11.so.1");
 #elif defined(USE_OZONE)
   paths[kModuleVa_drm].push_back("libva-drm.so.1");
 #endif
 
   return InitializeStubs(paths);
 }
 
 }  // namespace content