Index: content/public/gpu/gpu_video_decode_accelerator_factory.h |
diff --git a/content/public/gpu/gpu_video_decode_accelerator_factory.h b/content/public/gpu/gpu_video_decode_accelerator_factory.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..b02ceeabfed731bb67c4a10565c7a7eddcbca761 |
--- /dev/null |
+++ b/content/public/gpu/gpu_video_decode_accelerator_factory.h |
@@ -0,0 +1,96 @@ |
+// Copyright 2016 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. |
+ |
+#ifndef CONTENT_PUBLIC_GPU_GPU_VIDEO_DECODE_ACCELERATOR_FACTORY_H_ |
+#define CONTENT_PUBLIC_GPU_GPU_VIDEO_DECODE_ACCELERATOR_FACTORY_H_ |
+ |
+#include "base/callback.h" |
+#include "base/memory/weak_ptr.h" |
+#include "content/common/content_export.h" |
+#include "gpu/command_buffer/service/gpu_preferences.h" |
+#include "gpu/config/gpu_info.h" |
+#include "media/video/video_decode_accelerator.h" |
+ |
+namespace gfx { |
+class GLContext; |
+} |
+ |
+namespace gl { |
+class GLImage; |
+} |
+ |
+namespace gpu { |
+namespace gles2 { |
+class GLES2Decoder; |
+} |
+} |
+ |
+namespace content { |
+ |
+class GpuVideoDecodeAcceleratorFactoryImpl; |
+ |
+// This factory allows creation of VideoDecodeAccelerator implementations, |
+// providing the most applicable VDA for current platform and given |
+// configuration. To be used in GPU process only. |
+class CONTENT_EXPORT GpuVideoDecodeAcceleratorFactory { |
+ public: |
+ virtual ~GpuVideoDecodeAcceleratorFactory(); |
+ |
+ // Return current GLContext. |
+ using GetGLContextCallback = base::Callback<gfx::GLContext*(void)>; |
+ |
+ // Make the applicable GL context current. To be called by VDAs before |
+ // executing any GL calls. Return true on success, false otherwise. |
+ using MakeGLContextCurrentCallback = base::Callback<bool(void)>; |
+ |
+ // Bind |image| to |client_texture_id| given |texture_target|. If |
+ // |can_bind_to_sampler| is true, then the image may be used as a sampler |
+ // directly, otherwise a copy to a staging buffer is required. |
+ // Return true on success, false otherwise. |
+ using BindGLImageCallback = |
+ base::Callback<bool(uint32_t client_texture_id, |
+ uint32_t texture_target, |
+ const scoped_refptr<gl::GLImage>& image, |
+ bool can_bind_to_sampler)>; |
+ |
+ // Return a WeakPtr to a GLES2Decoder, if one is available. |
+ using GetGLES2DecoderCallback = |
+ base::Callback<base::WeakPtr<gpu::gles2::GLES2Decoder>(void)>; |
+ |
+ // Create a factory capable of producing VDA instances for current platform. |
+ static scoped_ptr<GpuVideoDecodeAcceleratorFactory> Create( |
+ const GetGLContextCallback& get_gl_context_cb, |
+ const MakeGLContextCurrentCallback& make_context_current_cb, |
+ const BindGLImageCallback& bind_image_cb); |
+ |
+ static scoped_ptr<GpuVideoDecodeAcceleratorFactory> CreateWithGLES2Decoder( |
+ const GetGLContextCallback& get_gl_context_cb, |
+ const MakeGLContextCurrentCallback& make_context_current_cb, |
+ const BindGLImageCallback& bind_image_cb, |
+ const GetGLES2DecoderCallback& get_gles2_decoder_cb); |
+ |
+ // Return decoder capabilities supported on the current platform. |
+ static gpu::VideoDecodeAcceleratorCapabilities GetDecoderCapabilities( |
+ const gpu::GpuPreferences& gpu_preferences); |
+ |
+ // Create a VDA for the current platform for |client| with the given |config| |
+ // and for given |gpu_preferences|. Return nullptr on failure. |
+ virtual scoped_ptr<media::VideoDecodeAccelerator> CreateVDA( |
+ media::VideoDecodeAccelerator::Client* client, |
+ const media::VideoDecodeAccelerator::Config& config, |
+ const gpu::GpuPreferences& gpu_preferences); |
+ |
+ private: |
+ // TODO(posciak): This is temporary and will not be needed once |
+ // GpuVideoDecodeAcceleratorFactoryImpl implements |
+ // GpuVideoDecodeAcceleratorFactory, see crbug.com/597150 and related. |
+ GpuVideoDecodeAcceleratorFactory( |
+ scoped_ptr<GpuVideoDecodeAcceleratorFactoryImpl> gvdafactory_impl); |
+ |
+ scoped_ptr<GpuVideoDecodeAcceleratorFactoryImpl> gvdafactory_impl_; |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_PUBLIC_GPU_GPU_VIDEO_DECODE_ACCELERATOR_FACTORY_H_ |