blob: e588951450a27f1717068a4711f182e08524e8c5 [file] [log] [blame]
// 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 contains the implementation of TegraV4L2Device used on
// Tegra platform.
#include "content/common/gpu/media/v4l2_video_device.h"
#include "ui/gl/gl_bindings.h"
namespace content {
// This class implements the V4L2Device interface for Tegra platform.
// It interfaces with libtegrav4l2 library which provides API that exhibit the
// V4L2 specification via the library API instead of system calls.
class TegraV4L2Device : public V4L2Device {
explicit TegraV4L2Device(Type type);
virtual ~TegraV4L2Device();
virtual int Ioctl(int flags, void* arg) OVERRIDE;
virtual bool Poll(bool poll_device, bool* event_pending) OVERRIDE;
virtual bool SetDevicePollInterrupt() OVERRIDE;
virtual bool ClearDevicePollInterrupt() OVERRIDE;
virtual void* Mmap(void* addr,
unsigned int len,
int prot,
int flags,
unsigned int offset) OVERRIDE;
virtual void Munmap(void* addr, unsigned int len) OVERRIDE;
virtual bool Initialize() OVERRIDE;
virtual EGLImageKHR CreateEGLImage(EGLDisplay egl_display,
EGLContext egl_context,
GLuint texture_id,
gfx::Size frame_buffer_size,
unsigned int buffer_index,
size_t planes_count) OVERRIDE;
virtual EGLBoolean DestroyEGLImage(EGLDisplay egl_display,
EGLImageKHR egl_image) OVERRIDE;
virtual GLenum GetTextureTarget() OVERRIDE;
virtual uint32 PreferredInputFormat() OVERRIDE;
virtual uint32 PreferredOutputFormat() OVERRIDE;
const Type type_;
// The actual device fd.
int device_fd_;
} // namespace content