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authorChih-Chung Chang <chihchung@google.com>2011-06-30 14:21:38 +0800
committerChih-Chung Chang <chihchung@google.com>2011-06-30 14:24:42 +0800
commit9969866cfe5b17c6e481b90d81b011a0cece78a0 (patch)
tree182eebee90d6238d61cf7a761f4ada86e1abc8de /libvideoeditor/vss/video_filters/src/M4VIFI_RGB565toYUV420.c
parent9dd21dd09e821d24eda6af225fa173f4aa2d366c (diff)
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Make line-ending consistent (unix style).
Change-Id: Id837b042952ff5d97907591f337b2222cff2c8a9
Diffstat (limited to 'libvideoeditor/vss/video_filters/src/M4VIFI_RGB565toYUV420.c')
-rwxr-xr-xlibvideoeditor/vss/video_filters/src/M4VIFI_RGB565toYUV420.c402
1 files changed, 201 insertions, 201 deletions
diff --git a/libvideoeditor/vss/video_filters/src/M4VIFI_RGB565toYUV420.c b/libvideoeditor/vss/video_filters/src/M4VIFI_RGB565toYUV420.c
index f0fff16..34cbd57 100755
--- a/libvideoeditor/vss/video_filters/src/M4VIFI_RGB565toYUV420.c
+++ b/libvideoeditor/vss/video_filters/src/M4VIFI_RGB565toYUV420.c
@@ -1,201 +1,201 @@
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- ******************************************************************************
- * @brief Contain video library function
- * @note Color Conversion Filter
- * Contains the format conversion filters from RGB565 to YUV420
- ******************************************************************************
-*/
-
-/* Prototypes of functions, and type definitions */
-#include "M4VIFI_FiltersAPI.h"
-/* Macro definitions */
-#include "M4VIFI_Defines.h"
-/* Clip table declaration */
-#include "M4VIFI_Clip.h"
-
-
-/**
- ******************************************************************************
- * M4VIFI_UInt8 M4VIFI_RGB565toYUV420 (void *pUserData,
- * M4VIFI_ImagePlane *pPlaneIn,
- * M4VIFI_ImagePlane *pPlaneOut)
- * @brief transform RGB565 image to a YUV420 image.
- * @note Convert RGB565 to YUV420,
- * Loop on each row ( 2 rows by 2 rows )
- * Loop on each column ( 2 col by 2 col )
- * Get 4 RGB samples from input data and build 4 output Y samples
- * and each single U & V data
- * end loop on col
- * end loop on row
- * @param pUserData: (IN) User Specific Data
- * @param pPlaneIn: (IN) Pointer to RGB565 Plane
- * @param pPlaneOut: (OUT) Pointer to YUV420 buffer Plane
- * @return M4VIFI_OK: there is no error
- * @return M4VIFI_ILLEGAL_FRAME_HEIGHT: YUV Plane height is ODD
- * @return M4VIFI_ILLEGAL_FRAME_WIDTH: YUV Plane width is ODD
- ******************************************************************************
-*/
-M4VIFI_UInt8 M4VIFI_RGB565toYUV420(void *pUserData, M4VIFI_ImagePlane *pPlaneIn,
- M4VIFI_ImagePlane *pPlaneOut)
-{
- M4VIFI_UInt32 u32_width, u32_height;
- M4VIFI_UInt32 u32_stride_Y, u32_stride2_Y, u32_stride_U, u32_stride_V;
- M4VIFI_UInt32 u32_stride_rgb, u32_stride_2rgb;
- M4VIFI_UInt32 u32_col, u32_row;
-
- M4VIFI_Int32 i32_r00, i32_r01, i32_r10, i32_r11;
- M4VIFI_Int32 i32_g00, i32_g01, i32_g10, i32_g11;
- M4VIFI_Int32 i32_b00, i32_b01, i32_b10, i32_b11;
- M4VIFI_Int32 i32_y00, i32_y01, i32_y10, i32_y11;
- M4VIFI_Int32 i32_u00, i32_u01, i32_u10, i32_u11;
- M4VIFI_Int32 i32_v00, i32_v01, i32_v10, i32_v11;
- M4VIFI_UInt8 *pu8_yn, *pu8_ys, *pu8_u, *pu8_v;
- M4VIFI_UInt8 *pu8_y_data, *pu8_u_data, *pu8_v_data;
- M4VIFI_UInt8 *pu8_rgbn_data, *pu8_rgbn;
- M4VIFI_UInt16 u16_pix1, u16_pix2, u16_pix3, u16_pix4;
-
- /* Check planes height are appropriate */
- if ((pPlaneIn->u_height != pPlaneOut[0].u_height) ||
- (pPlaneOut[0].u_height != (pPlaneOut[1].u_height<<1)) ||
- (pPlaneOut[0].u_height != (pPlaneOut[2].u_height<<1)))
- {
- return M4VIFI_ILLEGAL_FRAME_HEIGHT;
- }
-
- /* Check planes width are appropriate */
- if ((pPlaneIn->u_width != pPlaneOut[0].u_width) ||
- (pPlaneOut[0].u_width != (pPlaneOut[1].u_width<<1)) ||
- (pPlaneOut[0].u_width != (pPlaneOut[2].u_width<<1)))
- {
- return M4VIFI_ILLEGAL_FRAME_WIDTH;
- }
-
- /* Set the pointer to the beginning of the output data buffers */
- pu8_y_data = pPlaneOut[0].pac_data + pPlaneOut[0].u_topleft;
- pu8_u_data = pPlaneOut[1].pac_data + pPlaneOut[1].u_topleft;
- pu8_v_data = pPlaneOut[2].pac_data + pPlaneOut[2].u_topleft;
-
- /* Set the pointer to the beginning of the input data buffers */
- pu8_rgbn_data = pPlaneIn->pac_data + pPlaneIn->u_topleft;
-
- /* Get the size of the output image */
- u32_width = pPlaneOut[0].u_width;
- u32_height = pPlaneOut[0].u_height;
-
- /* Set the size of the memory jumps corresponding to row jump in each output plane */
- u32_stride_Y = pPlaneOut[0].u_stride;
- u32_stride2_Y = u32_stride_Y << 1;
- u32_stride_U = pPlaneOut[1].u_stride;
- u32_stride_V = pPlaneOut[2].u_stride;
-
- /* Set the size of the memory jumps corresponding to row jump in input plane */
- u32_stride_rgb = pPlaneIn->u_stride;
- u32_stride_2rgb = u32_stride_rgb << 1;
-
-
- /* Loop on each row of the output image, input coordinates are estimated from output ones */
- /* Two YUV rows are computed at each pass */
- for (u32_row = u32_height ;u32_row != 0; u32_row -=2)
- {
- /* Current Y plane row pointers */
- pu8_yn = pu8_y_data;
- /* Next Y plane row pointers */
- pu8_ys = pu8_yn + u32_stride_Y;
- /* Current U plane row pointer */
- pu8_u = pu8_u_data;
- /* Current V plane row pointer */
- pu8_v = pu8_v_data;
-
- pu8_rgbn = pu8_rgbn_data;
-
- /* Loop on each column of the output image */
- for (u32_col = u32_width; u32_col != 0 ; u32_col -=2)
- {
- /* Get four RGB 565 samples from input data */
- u16_pix1 = *( (M4VIFI_UInt16 *) pu8_rgbn);
- u16_pix2 = *( (M4VIFI_UInt16 *) (pu8_rgbn + CST_RGB_16_SIZE));
- u16_pix3 = *( (M4VIFI_UInt16 *) (pu8_rgbn + u32_stride_rgb));
- u16_pix4 = *( (M4VIFI_UInt16 *) (pu8_rgbn + u32_stride_rgb + CST_RGB_16_SIZE));
-
- /* Unpack RGB565 to 8bit R, G, B */
- /* (x,y) */
- GET_RGB565(i32_r00,i32_g00,i32_b00,u16_pix1);
- /* (x+1,y) */
- GET_RGB565(i32_r10,i32_g10,i32_b10,u16_pix2);
- /* (x,y+1) */
- GET_RGB565(i32_r01,i32_g01,i32_b01,u16_pix3);
- /* (x+1,y+1) */
- GET_RGB565(i32_r11,i32_g11,i32_b11,u16_pix4);
-
- /* Convert RGB value to YUV */
- i32_u00 = U16(i32_r00, i32_g00, i32_b00);
- i32_v00 = V16(i32_r00, i32_g00, i32_b00);
- /* luminance value */
- i32_y00 = Y16(i32_r00, i32_g00, i32_b00);
-
- i32_u10 = U16(i32_r10, i32_g10, i32_b10);
- i32_v10 = V16(i32_r10, i32_g10, i32_b10);
- /* luminance value */
- i32_y10 = Y16(i32_r10, i32_g10, i32_b10);
-
- i32_u01 = U16(i32_r01, i32_g01, i32_b01);
- i32_v01 = V16(i32_r01, i32_g01, i32_b01);
- /* luminance value */
- i32_y01 = Y16(i32_r01, i32_g01, i32_b01);
-
- i32_u11 = U16(i32_r11, i32_g11, i32_b11);
- i32_v11 = V16(i32_r11, i32_g11, i32_b11);
- /* luminance value */
- i32_y11 = Y16(i32_r11, i32_g11, i32_b11);
-
- /* Store luminance data */
- pu8_yn[0] = (M4VIFI_UInt8)i32_y00;
- pu8_yn[1] = (M4VIFI_UInt8)i32_y10;
- pu8_ys[0] = (M4VIFI_UInt8)i32_y01;
- pu8_ys[1] = (M4VIFI_UInt8)i32_y11;
-
- /* Store chroma data */
- *pu8_u = (M4VIFI_UInt8)((i32_u00 + i32_u01 + i32_u10 + i32_u11 + 2) >> 2);
- *pu8_v = (M4VIFI_UInt8)((i32_v00 + i32_v01 + i32_v10 + i32_v11 + 2) >> 2);
-
- /* Prepare for next column */
- pu8_rgbn += (CST_RGB_16_SIZE<<1);
- /* Update current Y plane line pointer*/
- pu8_yn += 2;
- /* Update next Y plane line pointer*/
- pu8_ys += 2;
- /* Update U plane line pointer*/
- pu8_u ++;
- /* Update V plane line pointer*/
- pu8_v ++;
- } /* End of horizontal scanning */
-
- /* Prepare pointers for the next row */
- pu8_y_data += u32_stride2_Y;
- pu8_u_data += u32_stride_U;
- pu8_v_data += u32_stride_V;
- pu8_rgbn_data += u32_stride_2rgb;
-
-
- } /* End of vertical scanning */
-
- return M4VIFI_OK;
-}
-
-
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ ******************************************************************************
+ * @brief Contain video library function
+ * @note Color Conversion Filter
+ * Contains the format conversion filters from RGB565 to YUV420
+ ******************************************************************************
+*/
+
+/* Prototypes of functions, and type definitions */
+#include "M4VIFI_FiltersAPI.h"
+/* Macro definitions */
+#include "M4VIFI_Defines.h"
+/* Clip table declaration */
+#include "M4VIFI_Clip.h"
+
+
+/**
+ ******************************************************************************
+ * M4VIFI_UInt8 M4VIFI_RGB565toYUV420 (void *pUserData,
+ * M4VIFI_ImagePlane *pPlaneIn,
+ * M4VIFI_ImagePlane *pPlaneOut)
+ * @brief transform RGB565 image to a YUV420 image.
+ * @note Convert RGB565 to YUV420,
+ * Loop on each row ( 2 rows by 2 rows )
+ * Loop on each column ( 2 col by 2 col )
+ * Get 4 RGB samples from input data and build 4 output Y samples
+ * and each single U & V data
+ * end loop on col
+ * end loop on row
+ * @param pUserData: (IN) User Specific Data
+ * @param pPlaneIn: (IN) Pointer to RGB565 Plane
+ * @param pPlaneOut: (OUT) Pointer to YUV420 buffer Plane
+ * @return M4VIFI_OK: there is no error
+ * @return M4VIFI_ILLEGAL_FRAME_HEIGHT: YUV Plane height is ODD
+ * @return M4VIFI_ILLEGAL_FRAME_WIDTH: YUV Plane width is ODD
+ ******************************************************************************
+*/
+M4VIFI_UInt8 M4VIFI_RGB565toYUV420(void *pUserData, M4VIFI_ImagePlane *pPlaneIn,
+ M4VIFI_ImagePlane *pPlaneOut)
+{
+ M4VIFI_UInt32 u32_width, u32_height;
+ M4VIFI_UInt32 u32_stride_Y, u32_stride2_Y, u32_stride_U, u32_stride_V;
+ M4VIFI_UInt32 u32_stride_rgb, u32_stride_2rgb;
+ M4VIFI_UInt32 u32_col, u32_row;
+
+ M4VIFI_Int32 i32_r00, i32_r01, i32_r10, i32_r11;
+ M4VIFI_Int32 i32_g00, i32_g01, i32_g10, i32_g11;
+ M4VIFI_Int32 i32_b00, i32_b01, i32_b10, i32_b11;
+ M4VIFI_Int32 i32_y00, i32_y01, i32_y10, i32_y11;
+ M4VIFI_Int32 i32_u00, i32_u01, i32_u10, i32_u11;
+ M4VIFI_Int32 i32_v00, i32_v01, i32_v10, i32_v11;
+ M4VIFI_UInt8 *pu8_yn, *pu8_ys, *pu8_u, *pu8_v;
+ M4VIFI_UInt8 *pu8_y_data, *pu8_u_data, *pu8_v_data;
+ M4VIFI_UInt8 *pu8_rgbn_data, *pu8_rgbn;
+ M4VIFI_UInt16 u16_pix1, u16_pix2, u16_pix3, u16_pix4;
+
+ /* Check planes height are appropriate */
+ if ((pPlaneIn->u_height != pPlaneOut[0].u_height) ||
+ (pPlaneOut[0].u_height != (pPlaneOut[1].u_height<<1)) ||
+ (pPlaneOut[0].u_height != (pPlaneOut[2].u_height<<1)))
+ {
+ return M4VIFI_ILLEGAL_FRAME_HEIGHT;
+ }
+
+ /* Check planes width are appropriate */
+ if ((pPlaneIn->u_width != pPlaneOut[0].u_width) ||
+ (pPlaneOut[0].u_width != (pPlaneOut[1].u_width<<1)) ||
+ (pPlaneOut[0].u_width != (pPlaneOut[2].u_width<<1)))
+ {
+ return M4VIFI_ILLEGAL_FRAME_WIDTH;
+ }
+
+ /* Set the pointer to the beginning of the output data buffers */
+ pu8_y_data = pPlaneOut[0].pac_data + pPlaneOut[0].u_topleft;
+ pu8_u_data = pPlaneOut[1].pac_data + pPlaneOut[1].u_topleft;
+ pu8_v_data = pPlaneOut[2].pac_data + pPlaneOut[2].u_topleft;
+
+ /* Set the pointer to the beginning of the input data buffers */
+ pu8_rgbn_data = pPlaneIn->pac_data + pPlaneIn->u_topleft;
+
+ /* Get the size of the output image */
+ u32_width = pPlaneOut[0].u_width;
+ u32_height = pPlaneOut[0].u_height;
+
+ /* Set the size of the memory jumps corresponding to row jump in each output plane */
+ u32_stride_Y = pPlaneOut[0].u_stride;
+ u32_stride2_Y = u32_stride_Y << 1;
+ u32_stride_U = pPlaneOut[1].u_stride;
+ u32_stride_V = pPlaneOut[2].u_stride;
+
+ /* Set the size of the memory jumps corresponding to row jump in input plane */
+ u32_stride_rgb = pPlaneIn->u_stride;
+ u32_stride_2rgb = u32_stride_rgb << 1;
+
+
+ /* Loop on each row of the output image, input coordinates are estimated from output ones */
+ /* Two YUV rows are computed at each pass */
+ for (u32_row = u32_height ;u32_row != 0; u32_row -=2)
+ {
+ /* Current Y plane row pointers */
+ pu8_yn = pu8_y_data;
+ /* Next Y plane row pointers */
+ pu8_ys = pu8_yn + u32_stride_Y;
+ /* Current U plane row pointer */
+ pu8_u = pu8_u_data;
+ /* Current V plane row pointer */
+ pu8_v = pu8_v_data;
+
+ pu8_rgbn = pu8_rgbn_data;
+
+ /* Loop on each column of the output image */
+ for (u32_col = u32_width; u32_col != 0 ; u32_col -=2)
+ {
+ /* Get four RGB 565 samples from input data */
+ u16_pix1 = *( (M4VIFI_UInt16 *) pu8_rgbn);
+ u16_pix2 = *( (M4VIFI_UInt16 *) (pu8_rgbn + CST_RGB_16_SIZE));
+ u16_pix3 = *( (M4VIFI_UInt16 *) (pu8_rgbn + u32_stride_rgb));
+ u16_pix4 = *( (M4VIFI_UInt16 *) (pu8_rgbn + u32_stride_rgb + CST_RGB_16_SIZE));
+
+ /* Unpack RGB565 to 8bit R, G, B */
+ /* (x,y) */
+ GET_RGB565(i32_r00,i32_g00,i32_b00,u16_pix1);
+ /* (x+1,y) */
+ GET_RGB565(i32_r10,i32_g10,i32_b10,u16_pix2);
+ /* (x,y+1) */
+ GET_RGB565(i32_r01,i32_g01,i32_b01,u16_pix3);
+ /* (x+1,y+1) */
+ GET_RGB565(i32_r11,i32_g11,i32_b11,u16_pix4);
+
+ /* Convert RGB value to YUV */
+ i32_u00 = U16(i32_r00, i32_g00, i32_b00);
+ i32_v00 = V16(i32_r00, i32_g00, i32_b00);
+ /* luminance value */
+ i32_y00 = Y16(i32_r00, i32_g00, i32_b00);
+
+ i32_u10 = U16(i32_r10, i32_g10, i32_b10);
+ i32_v10 = V16(i32_r10, i32_g10, i32_b10);
+ /* luminance value */
+ i32_y10 = Y16(i32_r10, i32_g10, i32_b10);
+
+ i32_u01 = U16(i32_r01, i32_g01, i32_b01);
+ i32_v01 = V16(i32_r01, i32_g01, i32_b01);
+ /* luminance value */
+ i32_y01 = Y16(i32_r01, i32_g01, i32_b01);
+
+ i32_u11 = U16(i32_r11, i32_g11, i32_b11);
+ i32_v11 = V16(i32_r11, i32_g11, i32_b11);
+ /* luminance value */
+ i32_y11 = Y16(i32_r11, i32_g11, i32_b11);
+
+ /* Store luminance data */
+ pu8_yn[0] = (M4VIFI_UInt8)i32_y00;
+ pu8_yn[1] = (M4VIFI_UInt8)i32_y10;
+ pu8_ys[0] = (M4VIFI_UInt8)i32_y01;
+ pu8_ys[1] = (M4VIFI_UInt8)i32_y11;
+
+ /* Store chroma data */
+ *pu8_u = (M4VIFI_UInt8)((i32_u00 + i32_u01 + i32_u10 + i32_u11 + 2) >> 2);
+ *pu8_v = (M4VIFI_UInt8)((i32_v00 + i32_v01 + i32_v10 + i32_v11 + 2) >> 2);
+
+ /* Prepare for next column */
+ pu8_rgbn += (CST_RGB_16_SIZE<<1);
+ /* Update current Y plane line pointer*/
+ pu8_yn += 2;
+ /* Update next Y plane line pointer*/
+ pu8_ys += 2;
+ /* Update U plane line pointer*/
+ pu8_u ++;
+ /* Update V plane line pointer*/
+ pu8_v ++;
+ } /* End of horizontal scanning */
+
+ /* Prepare pointers for the next row */
+ pu8_y_data += u32_stride2_Y;
+ pu8_u_data += u32_stride_U;
+ pu8_v_data += u32_stride_V;
+ pu8_rgbn_data += u32_stride_2rgb;
+
+
+ } /* End of vertical scanning */
+
+ return M4VIFI_OK;
+}
+
+