Index: content/common/gpu/media/v4l2_device.h |
diff --git a/content/common/gpu/media/v4l2_device.h b/content/common/gpu/media/v4l2_device.h |
deleted file mode 100644 |
index 10905f6ad899db5d7df013e8d9c39642ecd2251b..0000000000000000000000000000000000000000 |
--- a/content/common/gpu/media/v4l2_device.h |
+++ /dev/null |
@@ -1,159 +0,0 @@ |
-// Copyright 2014 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. |
-// |
-// This file defines the V4L2Device interface which is used by the |
-// V4L2DecodeAccelerator class to delegate/pass the device specific |
-// handling of any of the functionalities. |
- |
-#ifndef CONTENT_COMMON_GPU_MEDIA_V4L2_DEVICE_H_ |
-#define CONTENT_COMMON_GPU_MEDIA_V4L2_DEVICE_H_ |
- |
-#include <stddef.h> |
-#include <stdint.h> |
- |
-#include <linux/videodev2.h> |
- |
-#include "base/files/scoped_file.h" |
-#include "base/memory/ref_counted.h" |
-#include "content/common/content_export.h" |
-#include "media/base/video_decoder_config.h" |
-#include "media/base/video_frame.h" |
-#include "media/video/video_decode_accelerator.h" |
-#include "ui/gfx/geometry/size.h" |
-#include "ui/gl/gl_bindings.h" |
- |
-// TODO(posciak): remove this once V4L2 headers are updated. |
-#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') |
-#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') |
-#define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') |
-#define V4L2_PIX_FMT_MT21 v4l2_fourcc('M', 'T', '2', '1') |
- |
-namespace content { |
- |
-class CONTENT_EXPORT V4L2Device |
- : public base::RefCountedThreadSafe<V4L2Device> { |
- public: |
- // Utility format conversion functions |
- static media::VideoPixelFormat V4L2PixFmtToVideoPixelFormat(uint32_t format); |
- static uint32_t VideoPixelFormatToV4L2PixFmt(media::VideoPixelFormat format); |
- static uint32_t VideoCodecProfileToV4L2PixFmt( |
- media::VideoCodecProfile profile, |
- bool slice_based); |
- static uint32_t V4L2PixFmtToDrmFormat(uint32_t format); |
- // Convert format requirements requested by a V4L2 device to gfx::Size. |
- static gfx::Size CodedSizeFromV4L2Format(struct v4l2_format format); |
- |
- enum Type { |
- kDecoder, |
- kEncoder, |
- kImageProcessor, |
- kJpegDecoder, |
- }; |
- |
- // Creates and initializes an appropriate V4L2Device of |type| for the |
- // current platform and returns a scoped_refptr<V4L2Device> on success, or |
- // NULL. |
- static scoped_refptr<V4L2Device> Create(Type type); |
- |
- // Parameters and return value are the same as for the standard ioctl() system |
- // call. |
- virtual int Ioctl(int request, void* arg) = 0; |
- |
- // This method sleeps until either: |
- // - SetDevicePollInterrupt() is called (on another thread), |
- // - |poll_device| is true, and there is new data to be read from the device, |
- // or an event from the device has arrived; in the latter case |
- // |*event_pending| will be set to true. |
- // Returns false on error, true otherwise. |
- // This method should be called from a separate thread. |
- virtual bool Poll(bool poll_device, bool* event_pending) = 0; |
- |
- // These methods are used to interrupt the thread sleeping on Poll() and force |
- // it to return regardless of device state, which is usually when the client |
- // is no longer interested in what happens with the device (on cleanup, |
- // client state change, etc.). When SetDevicePollInterrupt() is called, Poll() |
- // will return immediately, and any subsequent calls to it will also do so |
- // until ClearDevicePollInterrupt() is called. |
- virtual bool SetDevicePollInterrupt() = 0; |
- virtual bool ClearDevicePollInterrupt() = 0; |
- |
- // Wrappers for standard mmap/munmap system calls. |
- virtual void* Mmap(void* addr, |
- unsigned int len, |
- int prot, |
- int flags, |
- unsigned int offset) = 0; |
- virtual void Munmap(void* addr, unsigned int len) = 0; |
- |
- // Initializes the V4L2Device to operate as a device of |type|. |
- // Returns true on success. |
- virtual bool Initialize() = 0; |
- |
- // Return a vector of dmabuf file descriptors, exported for V4L2 buffer with |
- // |index|, assuming the buffer contains |num_planes| V4L2 planes and is of |
- // |type|. Return an empty vector on failure. |
- // The caller is responsible for closing the file descriptors after use. |
- virtual std::vector<base::ScopedFD> GetDmabufsForV4L2Buffer( |
- int index, |
- size_t num_planes, |
- enum v4l2_buf_type type) = 0; |
- |
- // Return true if the given V4L2 pixfmt can be used in CreateEGLImage() |
- // for the current platform. |
- virtual bool CanCreateEGLImageFrom(uint32_t v4l2_pixfmt) = 0; |
- |
- // Create an EGLImage from provided |dmabuf_fds| and bind |texture_id| to it. |
- // Some implementations may also require the V4L2 |buffer_index| of the buffer |
- // for which |dmabuf_fds| have been exported. |
- // The caller may choose to close the file descriptors after this method |
- // returns, and may expect the buffers to remain valid for the lifetime of |
- // the created EGLImage. |
- // Return EGL_NO_IMAGE_KHR on failure. |
- virtual EGLImageKHR CreateEGLImage( |
- EGLDisplay egl_display, |
- EGLContext egl_context, |
- GLuint texture_id, |
- const gfx::Size& size, |
- unsigned int buffer_index, |
- uint32_t v4l2_pixfmt, |
- const std::vector<base::ScopedFD>& dmabuf_fds) = 0; |
- |
- // Destroys the EGLImageKHR. |
- virtual EGLBoolean DestroyEGLImage(EGLDisplay egl_display, |
- EGLImageKHR egl_image) = 0; |
- |
- // Returns the supported texture target for the V4L2Device. |
- virtual GLenum GetTextureTarget() = 0; |
- |
- // Returns the preferred V4L2 input format or 0 if don't care. |
- virtual uint32_t PreferredInputFormat() = 0; |
- |
- // Get minimum and maximum resolution for fourcc |pixelformat| and store to |
- // |min_resolution| and |max_resolution|. |
- void GetSupportedResolution(uint32_t pixelformat, gfx::Size* min_resolution, |
- gfx::Size* max_resolution); |
- |
- // Return supported profiles for decoder, including only profiles for given |
- // fourcc |pixelformats|. |
- media::VideoDecodeAccelerator::SupportedProfiles GetSupportedDecodeProfiles( |
- const size_t num_formats, const uint32_t pixelformats[]); |
- |
- // Return true if the device supports |profile|, taking into account only |
- // fourccs from the given array of |pixelformats| of size |num_formats|. |
- bool SupportsDecodeProfileForV4L2PixelFormats( |
- media::VideoCodecProfile profile, |
- const size_t num_formats, |
- const uint32_t pixelformats[]); |
- |
- protected: |
- friend class base::RefCountedThreadSafe<V4L2Device>; |
- explicit V4L2Device(Type type); |
- virtual ~V4L2Device(); |
- |
- const Type type_; |
-}; |
- |
-} // namespace content |
- |
-#endif // CONTENT_COMMON_GPU_MEDIA_V4L2_DEVICE_H_ |