Add plumbing for video pixel formats with JPEG color range.

media/base/yuv_convert.h

Index: media/base/yuv_convert.h
diff --git a/media/base/yuv_convert.h b/media/base/yuv_convert.h
index 8f64c79689a3dfaf33a1944d23d4e1ac66655f6b..4de5033014e28e7c7c5700e9a60958c1c2d57ff9 100644
--- a/media/base/yuv_convert.h
+++ b/media/base/yuv_convert.h
@@ -28,6 +28,11 @@ enum YUVType {
   YV12 = 1,  // YV12 is half width and half height chroma channels.
 };
 
+enum YUVRange {
+  YUV_RANGE_RESTRICTED,  // "MPEG" [16,235] Y channel, [16,239] U/V.
+  YUV_RANGE_FULL,  // "JPEG" Full [0,255] color range for all channels.

[scherkus (not reviewing), 2013/12/03 00:21:30]

since we don't implement this yet, it'd be preferable to not introduce this enum
+ corresponding changes yet

(if you happen to sideline this work we'll end up checking in an API that isn't
doing anything at the moment)

[rileya (GONE FROM CHROMIUM), 2013/12/03 18:58:55]

Alrighty, removed from this CL.

+};
+
 // Mirror means flip the image horizontally, as in looking in a mirror.
 // Rotate happens after mirroring.
 enum Rotate {
@@ -62,7 +67,8 @@ MEDIA_EXPORT void ConvertYUVToRGB32(const uint8* yplane,
                                     int ystride,
                                     int uvstride,
                                     int rgbstride,
-                                    YUVType yuv_type);
+                                    YUVType yuv_type,
+                                    YUVRange yuv_range);
 
 // Convert a frame of YUVA to 32 bit ARGB.
 // Pass in YV12A
@@ -77,7 +83,8 @@ MEDIA_EXPORT void ConvertYUVAToARGB(const uint8* yplane,
                                     int uvstride,
                                     int astride,
                                     int rgbstride,
-                                    YUVType yuv_type);
+                                    YUVType yuv_type,
+                                    YUVRange yuv_range);
 
 // Scale a frame of YUV to 32 bit ARGB.
 // Supports rotation and mirroring.
@@ -93,6 +100,7 @@ MEDIA_EXPORT void ScaleYUVToRGB32(const uint8* yplane,
                                   int uvstride,
                                   int rgbstride,
                                   YUVType yuv_type,
+                                  YUVRange yuv_range,
                                   Rotate view_rotate,
                                   ScaleFilter filter);