summaryrefslogtreecommitdiff
path: root/chromium/media/base/video_types.h
diff options
context:
space:
mode:
Diffstat (limited to 'chromium/media/base/video_types.h')
-rw-r--r--chromium/media/base/video_types.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/chromium/media/base/video_types.h b/chromium/media/base/video_types.h
new file mode 100644
index 00000000000..b40dfb47a0a
--- /dev/null
+++ b/chromium/media/base/video_types.h
@@ -0,0 +1,74 @@
+// 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.
+
+#ifndef MEDIA_BASE_VIDEO_TYPES_H_
+#define MEDIA_BASE_VIDEO_TYPES_H_
+
+#include <string>
+
+#include "build/build_config.h"
+#include "media/base/media_export.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.
+ PIXEL_FORMAT_YV12 = 2, // 12bpp YVU planar 1x1 Y, 2x2 VU samples.
+ PIXEL_FORMAT_YV16 = 3, // 16bpp YVU planar 1x1 Y, 2x1 VU samples.
+ PIXEL_FORMAT_YV12A = 4, // 20bpp YUVA planar 1x1 Y, 2x2 VU, 1x1 A samples.
+ PIXEL_FORMAT_YV24 = 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,
+ // Please update UMA histogram enumeration when adding new formats here.
+ PIXEL_FORMAT_MAX =
+ PIXEL_FORMAT_MT21, // Must always be equal to largest entry logged.
+};
+
+// Color space or color range used for the pixels.
+// Logged to UMA, so never reuse values. Leave gaps if necessary.
+enum ColorSpace {
+ COLOR_SPACE_UNSPECIFIED = 0, // In general this is Rec601.
+ // The JPEG color space is the combination of Rec.601 and full range colors
+ // (aka pc range colors).
+ COLOR_SPACE_JPEG = 1,
+ COLOR_SPACE_HD_REC709 = 2, // Rec709 "HD" color space.
+ COLOR_SPACE_SD_REC601 = 3, // Rec601 "SD" color space.
+ COLOR_SPACE_MAX = COLOR_SPACE_SD_REC601,
+};
+
+// Returns the name of a Format as a string.
+MEDIA_EXPORT std::string VideoPixelFormatToString(VideoPixelFormat format);
+
+// Returns true if |format| is a YUV format with multiple planes.
+MEDIA_EXPORT bool IsYuvPlanar(VideoPixelFormat format);
+
+} // namespace media
+
+#endif // MEDIA_BASE_VIDEO_TYPES_H_