From 579be969e50f36d614733a51b1102ebf3b09c9c4 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wim.taymans@collabora.co.uk>
Date: Wed, 4 Sep 2013 15:07:56 +0200
Subject: [PATCH] videoconvert: add more fastpaths

Also reuse the I420 code for YV12 because it can handle the swapped UV fields
just fine.
---
 gst/videoconvert/videoconvert.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/gst/videoconvert/videoconvert.c b/gst/videoconvert/videoconvert.c
index ad40ef4d64..38ec60aefa 100644
--- a/gst/videoconvert/videoconvert.c
+++ b/gst/videoconvert/videoconvert.c
@@ -1320,8 +1320,21 @@ static const VideoTransform transforms[] = {
   {GST_VIDEO_FORMAT_I420, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y444,
       GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, convert_I420_Y444},
 
+  {GST_VIDEO_FORMAT_YV12, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YUY2,
+      GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, convert_I420_YUY2},
+  {GST_VIDEO_FORMAT_YV12, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_UYVY,
+      GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, convert_I420_UYVY},
+  {GST_VIDEO_FORMAT_YV12, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_AYUV,
+      GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, convert_I420_AYUV},
+  {GST_VIDEO_FORMAT_YV12, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y42B,
+      GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, convert_I420_Y42B},
+  {GST_VIDEO_FORMAT_YV12, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_Y444,
+      GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, convert_I420_Y444},
+
   {GST_VIDEO_FORMAT_YUY2, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_I420,
       GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, convert_YUY2_I420},
+  {GST_VIDEO_FORMAT_YUY2, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YV12,
+      GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, convert_YUY2_I420},
   {GST_VIDEO_FORMAT_YUY2, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_UYVY,
       GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, convert_UYVY_YUY2},   /* alias */
   {GST_VIDEO_FORMAT_YUY2, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_AYUV,
@@ -1333,6 +1346,8 @@ static const VideoTransform transforms[] = {
 
   {GST_VIDEO_FORMAT_UYVY, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_I420,
       GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, convert_UYVY_I420},
+  {GST_VIDEO_FORMAT_UYVY, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YV12,
+      GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, convert_UYVY_I420},
   {GST_VIDEO_FORMAT_UYVY, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YUY2,
       GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, convert_UYVY_YUY2},
   {GST_VIDEO_FORMAT_UYVY, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_AYUV,
@@ -1344,6 +1359,8 @@ static const VideoTransform transforms[] = {
 
   {GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_I420,
       GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, convert_AYUV_I420},
+  {GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YV12,
+      GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, convert_AYUV_I420},
   {GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YUY2,
       GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, convert_AYUV_YUY2},
   {GST_VIDEO_FORMAT_AYUV, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_UYVY,
@@ -1355,6 +1372,8 @@ static const VideoTransform transforms[] = {
 
   {GST_VIDEO_FORMAT_Y42B, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_I420,
       GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, convert_Y42B_I420},
+  {GST_VIDEO_FORMAT_Y42B, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YV12,
+      GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, convert_Y42B_I420},
   {GST_VIDEO_FORMAT_Y42B, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YUY2,
       GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, convert_Y42B_YUY2},
   {GST_VIDEO_FORMAT_Y42B, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_UYVY,
@@ -1366,6 +1385,8 @@ static const VideoTransform transforms[] = {
 
   {GST_VIDEO_FORMAT_Y444, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_I420,
       GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, convert_Y444_I420},
+  {GST_VIDEO_FORMAT_Y444, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YV12,
+      GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, FALSE, convert_Y444_I420},
   {GST_VIDEO_FORMAT_Y444, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_YUY2,
       GST_VIDEO_COLOR_MATRIX_UNKNOWN, TRUE, TRUE, convert_Y444_YUY2},
   {GST_VIDEO_FORMAT_Y444, GST_VIDEO_COLOR_MATRIX_UNKNOWN, GST_VIDEO_FORMAT_UYVY,
@@ -1395,6 +1416,8 @@ static const VideoTransform transforms[] = {
 
   {GST_VIDEO_FORMAT_I420, GST_VIDEO_COLOR_MATRIX_BT601, GST_VIDEO_FORMAT_BGRA,
       GST_VIDEO_COLOR_MATRIX_RGB, FALSE, FALSE, convert_I420_BGRA},
+  {GST_VIDEO_FORMAT_YV12, GST_VIDEO_COLOR_MATRIX_BT601, GST_VIDEO_FORMAT_BGRA,
+      GST_VIDEO_COLOR_MATRIX_RGB, FALSE, FALSE, convert_I420_BGRA},
 #endif
 };