// Copyright 2015 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.
|
// Note: ported from Chromium commit head: 006301b
|
// Note: only necessary functions are ported from video_types.h
|
|
#ifndef VIDEO_PIXEL_FORMAT_H_
|
#define VIDEO_PIXEL_FORMAT_H_
|
|
namespace media {
|
|
// Pixel formats roughly based on FOURCC labels, see:
|
// http://www.fourcc.org/rgb.php and http://www.fourcc.org/yuv.php
|
// Logged to UMA, so never reuse values. Leave gaps if necessary.
|
// Ordered as planar, semi-planar, YUV-packed, and RGB formats.
|
enum VideoPixelFormat {
|
PIXEL_FORMAT_UNKNOWN = 0, // Unknown or unspecified format value.
|
PIXEL_FORMAT_I420 =
|
1, // 12bpp YUV planar 1x1 Y, 2x2 UV samples, a.k.a. YU12.
|
|
// Note: Chrome does not actually support YVU compositing, so you probably
|
// don't actually want to use this. See http://crbug.com/784627.
|
PIXEL_FORMAT_YV12 = 2, // 12bpp YVU planar 1x1 Y, 2x2 VU samples.
|
|
PIXEL_FORMAT_I422 = 3, // 16bpp YUV planar 1x1 Y, 2x1 UV samples.
|
PIXEL_FORMAT_I420A = 4, // 20bpp YUVA planar 1x1 Y, 2x2 UV, 1x1 A samples.
|
PIXEL_FORMAT_I444 = 5, // 24bpp YUV planar, no subsampling.
|
PIXEL_FORMAT_NV12 =
|
6, // 12bpp with Y plane followed by a 2x2 interleaved UV plane.
|
PIXEL_FORMAT_NV21 =
|
7, // 12bpp with Y plane followed by a 2x2 interleaved VU plane.
|
PIXEL_FORMAT_UYVY =
|
8, // 16bpp interleaved 2x1 U, 1x1 Y, 2x1 V, 1x1 Y samples.
|
PIXEL_FORMAT_YUY2 =
|
9, // 16bpp interleaved 1x1 Y, 2x1 U, 1x1 Y, 2x1 V samples.
|
PIXEL_FORMAT_ARGB = 10, // 32bpp ARGB, 1 plane.
|
PIXEL_FORMAT_XRGB = 11, // 24bpp XRGB, 1 plane.
|
PIXEL_FORMAT_RGB24 = 12, // 24bpp BGR, 1 plane.
|
PIXEL_FORMAT_RGB32 = 13, // 32bpp BGRA, 1 plane.
|
PIXEL_FORMAT_MJPEG = 14, // MJPEG compressed.
|
// MediaTek proprietary format. MT21 is similar to NV21 except the memory
|
// layout and pixel layout (swizzles). 12bpp with Y plane followed by a 2x2
|
// interleaved VU plane. Each image contains two buffers -- Y plane and VU
|
// plane. Two planes can be non-contiguous in memory. The starting addresses
|
// of Y plane and VU plane are 4KB alignment.
|
// Suppose image dimension is (width, height). For both Y plane and VU plane:
|
// Row pitch = ((width+15)/16) * 16.
|
// Plane size = Row pitch * (((height+31)/32)*32)
|
PIXEL_FORMAT_MT21 = 15,
|
|
// The P* in the formats below designates the number of bits per pixel. I.e.
|
// P9 is 9-bits per pixel, P10 is 10-bits per pixel, etc.
|
PIXEL_FORMAT_YUV420P9 = 16,
|
PIXEL_FORMAT_YUV420P10 = 17,
|
PIXEL_FORMAT_YUV422P9 = 18,
|
PIXEL_FORMAT_YUV422P10 = 19,
|
PIXEL_FORMAT_YUV444P9 = 20,
|
PIXEL_FORMAT_YUV444P10 = 21,
|
|
PIXEL_FORMAT_YUV420P12 = 22,
|
PIXEL_FORMAT_YUV422P12 = 23,
|
PIXEL_FORMAT_YUV444P12 = 24,
|
|
/* PIXEL_FORMAT_Y8 = 25, Deprecated */
|
PIXEL_FORMAT_Y16 = 26, // single 16bpp plane.
|
|
// Please update UMA histogram enumeration when adding new formats here.
|
PIXEL_FORMAT_MAX =
|
PIXEL_FORMAT_Y16, // Must always be equal to largest entry logged.
|
};
|
|
} // namespace media
|
|
#endif // VIDEO_PIXEL_FORMAT_H_
|
