Add plumbing for video pixel formats with JPEG color range.

media/filters/skcanvas_video_renderer.cc

 // Copyright (c) 2012 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.
 
 #include "media/filters/skcanvas_video_renderer.h"
 
 #include "base/logging.h"
 #include "media/base/video_frame.h"
 #include "media/base/yuv_convert.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkDevice.h"
 
 namespace media {
 
 static bool IsEitherYV12OrYV16(media::VideoFrame::Format format) {
-  return format == media::VideoFrame::YV12 || format == media::VideoFrame::YV16;
+  return format == media::VideoFrame::YV12 ||
+         format == media::VideoFrame::YV16 ||
+         format == media::VideoFrame::YV12J;
 }
 
 static bool IsEitherYV12OrYV16OrNative(media::VideoFrame::Format format) {
   return IsEitherYV12OrYV16(format) ||
       format == media::VideoFrame::NATIVE_TEXTURE;
 }
 
 static bool IsEitherYV12OrYV12AOrYV16(media::VideoFrame::Format format) {
   return IsEitherYV12OrYV16(format) ||
       format == media::VideoFrame::YV12A;
@@ skipping 53 matching lines @@
 
   const SkBitmap& bitmap = canvas->getDevice()->accessBitmap(true);
   media::YUVType yuv_type = media::YV16;
   int y_shift = 0;
   if (video_frame->format() == media::VideoFrame::YV12 ||
       video_frame->format() == media::VideoFrame::YV12A) {
     yuv_type = media::YV12;
     y_shift = 1;
   }
 
+  if (video_frame->format() == media::VideoFrame::YV12J) {
+    yuv_type = media::YV12;
+    y_shift = 1;
+  }
+
   // Transform the destination rectangle to local coordinates.
   const SkMatrix& local_matrix = canvas->getTotalMatrix();
   SkRect local_dest_rect;
   local_matrix.mapRect(&local_dest_rect, dest_rect);
 
   // After projecting the destination rectangle to local coordinates, round
   // the projected rectangle to integer values, this will give us pixel values
   // of the rectangle.
   SkIRect local_dest_irect, local_dest_irect_saved;
   local_dest_rect.round(&local_dest_irect);
@@ skipping 110 matching lines @@
     // in Y, U and V planes.
     y_offset = (video_frame->stride(media::VideoFrame::kYPlane) *
                 video_frame->visible_rect().y()) +
                 video_frame->visible_rect().x();
     // For format YV12, there is one U, V value per 2x2 block.
     // For format YV16, there is one U, V value per 2x1 block.
     uv_offset = (video_frame->stride(media::VideoFrame::kUPlane) *
                 (video_frame->visible_rect().y() >> y_shift)) +
                 (video_frame->visible_rect().x() >> 1);
   }
+
   switch (video_frame->format()) {
     case media::VideoFrame::YV12:
+    case media::VideoFrame::YV12J:
       media::ConvertYUVToRGB32(
           video_frame->data(media::VideoFrame::kYPlane) + y_offset,
           video_frame->data(media::VideoFrame::kUPlane) + uv_offset,
           video_frame->data(media::VideoFrame::kVPlane) + uv_offset,
           static_cast<uint8*>(bitmap->getPixels()),
           video_frame->visible_rect().width(),
           video_frame->visible_rect().height(),
           video_frame->stride(media::VideoFrame::kYPlane),
           video_frame->stride(media::VideoFrame::kUPlane),
           bitmap->rowBytes(),
@@ skipping 83 matching lines @@
     ConvertVideoFrameToBitmap(video_frame, &last_frame_);
     last_frame_timestamp_ = video_frame->GetTimestamp();
   }
 
   // Do a slower paint using |last_frame_|.
   paint.setFilterBitmap(true);
   canvas->drawBitmapRect(last_frame_, NULL, dest, &paint);
 }
 
 }  // namespace media