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https://chromium.googlesource.com/libyuv/libyuv
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Port format_conversion (bayer) to C
BUG=303 TESTED=cl /c /TC /Iinclude source/format_conversion.cc R=tpsiaki@google.com Review URL: https://webrtc-codereview.appspot.com/10709004 git-svn-id: http://libyuv.googlecode.com/svn/trunk@990 16f28f9a-4ce2-e073-06de-1de4eb20be90
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fbarchard@google.com
parent
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commit
a3cda5080c
@ -1,6 +1,6 @@
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Name: libyuv
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URL: http://code.google.com/p/libyuv/
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Version: 989
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Version: 990
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License: BSD
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License File: LICENSE
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@ -11,6 +11,6 @@
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#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
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#define INCLUDE_LIBYUV_VERSION_H_
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#define LIBYUV_VERSION 989
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#define LIBYUV_VERSION 990
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#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT
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@ -64,13 +64,18 @@ int ARGBToBayer(const uint8* src_argb, int src_stride_argb,
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uint8* dst_bayer, int dst_stride_bayer,
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int width, int height,
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uint32 dst_fourcc_bayer) {
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int y;
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const int blue_index = 0; // Offsets for ARGB format
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const int green_index = 1;
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const int red_index = 2;
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uint32 index_map[2];
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void (*ARGBToBayerRow)(const uint8* src_argb, uint8* dst_bayer,
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uint32 selector, int pix) = ARGBToBayerRow_C;
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if (height < 0) {
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height = -height;
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src_argb = src_argb + (height - 1) * src_stride_argb;
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src_stride_argb = -src_stride_argb;
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}
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void (*ARGBToBayerRow)(const uint8* src_argb, uint8* dst_bayer,
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uint32 selector, int pix) = ARGBToBayerRow_C;
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#if defined(HAS_ARGBTOBAYERROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) && width >= 8 &&
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IS_ALIGNED(src_argb, 16) && IS_ALIGNED(src_stride_argb, 16)) {
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@ -87,16 +92,12 @@ int ARGBToBayer(const uint8* src_argb, int src_stride_argb,
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}
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}
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#endif
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const int blue_index = 0; // Offsets for ARGB format
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const int green_index = 1;
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const int red_index = 2;
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uint32 index_map[2];
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if (MakeSelectors(blue_index, green_index, red_index,
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dst_fourcc_bayer, index_map)) {
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return -1; // Bad FourCC
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}
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for (int y = 0; y < height; ++y) {
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for (y = 0; y < height; ++y) {
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ARGBToBayerRow(src_argb, dst_bayer, index_map[y & 1], width);
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src_argb += src_stride_argb;
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dst_bayer += dst_stride_bayer;
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@ -111,7 +112,8 @@ static void BayerRowBG(const uint8* src_bayer0, int src_stride_bayer,
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const uint8* src_bayer1 = src_bayer0 + src_stride_bayer;
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uint8 g = src_bayer0[1];
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uint8 r = src_bayer1[1];
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for (int x = 0; x < pix - 2; x += 2) {
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int x;
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for (x = 0; x < pix - 2; x += 2) {
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dst_argb[0] = src_bayer0[0];
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dst_argb[1] = AVG(g, src_bayer0[1]);
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dst_argb[2] = AVG(r, src_bayer1[1]);
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@ -143,7 +145,8 @@ static void BayerRowRG(const uint8* src_bayer0, int src_stride_bayer,
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const uint8* src_bayer1 = src_bayer0 + src_stride_bayer;
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uint8 g = src_bayer0[1];
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uint8 b = src_bayer1[1];
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for (int x = 0; x < pix - 2; x += 2) {
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int x;
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for (x = 0; x < pix - 2; x += 2) {
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dst_argb[0] = AVG(b, src_bayer1[1]);
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dst_argb[1] = AVG(g, src_bayer0[1]);
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dst_argb[2] = src_bayer0[0];
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@ -174,7 +177,8 @@ static void BayerRowGB(const uint8* src_bayer0, int src_stride_bayer,
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uint8* dst_argb, int pix) {
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const uint8* src_bayer1 = src_bayer0 + src_stride_bayer;
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uint8 b = src_bayer0[1];
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for (int x = 0; x < pix - 2; x += 2) {
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int x;
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for (x = 0; x < pix - 2; x += 2) {
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dst_argb[0] = AVG(b, src_bayer0[1]);
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dst_argb[1] = src_bayer0[0];
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dst_argb[2] = src_bayer1[0];
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@ -204,7 +208,8 @@ static void BayerRowGR(const uint8* src_bayer0, int src_stride_bayer,
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uint8* dst_argb, int pix) {
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const uint8* src_bayer1 = src_bayer0 + src_stride_bayer;
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uint8 r = src_bayer0[1];
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for (int x = 0; x < pix - 2; x += 2) {
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int x;
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for (x = 0; x < pix - 2; x += 2) {
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dst_argb[0] = src_bayer1[0];
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dst_argb[1] = src_bayer0[0];
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dst_argb[2] = AVG(r, src_bayer0[1]);
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@ -236,15 +241,16 @@ int BayerToARGB(const uint8* src_bayer, int src_stride_bayer,
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uint8* dst_argb, int dst_stride_argb,
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int width, int height,
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uint32 src_fourcc_bayer) {
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int y;
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void (*BayerRow0)(const uint8* src_bayer, int src_stride_bayer,
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uint8* dst_argb, int pix);
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void (*BayerRow1)(const uint8* src_bayer, int src_stride_bayer,
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uint8* dst_argb, int pix);
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if (height < 0) {
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height = -height;
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dst_argb = dst_argb + (height - 1) * dst_stride_argb;
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dst_stride_argb = -dst_stride_argb;
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}
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void (*BayerRow0)(const uint8* src_bayer, int src_stride_bayer,
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uint8* dst_argb, int pix);
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void (*BayerRow1)(const uint8* src_bayer, int src_stride_bayer,
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uint8* dst_argb, int pix);
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switch (src_fourcc_bayer) {
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case FOURCC_BGGR:
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BayerRow0 = BayerRowBG;
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@ -266,7 +272,7 @@ int BayerToARGB(const uint8* src_bayer, int src_stride_bayer,
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return -1; // Bad FourCC
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}
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for (int y = 0; y < height - 1; y += 2) {
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for (y = 0; y < height - 1; y += 2) {
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BayerRow0(src_bayer, src_stride_bayer, dst_argb, width);
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BayerRow1(src_bayer + src_stride_bayer, -src_stride_bayer,
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dst_argb + dst_stride_argb, width);
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@ -287,17 +293,6 @@ int BayerToI420(const uint8* src_bayer, int src_stride_bayer,
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uint8* dst_v, int dst_stride_v,
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int width, int height,
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uint32 src_fourcc_bayer) {
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// Negative height means invert the image.
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if (height < 0) {
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height = -height;
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int halfheight = (height + 1) >> 1;
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dst_y = dst_y + (height - 1) * dst_stride_y;
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dst_u = dst_u + (halfheight - 1) * dst_stride_u;
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dst_v = dst_v + (halfheight - 1) * dst_stride_v;
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dst_stride_y = -dst_stride_y;
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dst_stride_u = -dst_stride_u;
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dst_stride_v = -dst_stride_v;
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}
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void (*BayerRow0)(const uint8* src_bayer, int src_stride_bayer,
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uint8* dst_argb, int pix);
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void (*BayerRow1)(const uint8* src_bayer, int src_stride_bayer,
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@ -307,6 +302,18 @@ int BayerToI420(const uint8* src_bayer, int src_stride_bayer,
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uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
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void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
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ARGBToYRow_C;
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// Negative height means invert the image.
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if (height < 0) {
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int halfheight;
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height = -height;
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halfheight = (height + 1) >> 1;
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dst_y = dst_y + (height - 1) * dst_stride_y;
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dst_u = dst_u + (halfheight - 1) * dst_stride_u;
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dst_v = dst_v + (halfheight - 1) * dst_stride_v;
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dst_stride_y = -dst_stride_y;
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dst_stride_u = -dst_stride_u;
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dst_stride_v = -dst_stride_v;
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}
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#if defined(HAS_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) && width >= 16) {
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ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
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@ -355,27 +362,30 @@ int BayerToI420(const uint8* src_bayer, int src_stride_bayer,
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return -1; // Bad FourCC
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}
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// Allocate 2 rows of ARGB.
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const int kRowSize = (width * 4 + 15) & ~15;
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align_buffer_64(row, kRowSize * 2);
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for (int y = 0; y < height - 1; y += 2) {
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BayerRow0(src_bayer, src_stride_bayer, row, width);
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BayerRow1(src_bayer + src_stride_bayer, -src_stride_bayer,
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row + kRowSize, width);
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ARGBToUVRow(row, kRowSize, dst_u, dst_v, width);
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ARGBToYRow(row, dst_y, width);
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ARGBToYRow(row + kRowSize, dst_y + dst_stride_y, width);
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src_bayer += src_stride_bayer * 2;
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dst_y += dst_stride_y * 2;
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dst_u += dst_stride_u;
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dst_v += dst_stride_v;
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{
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// Allocate 2 rows of ARGB.
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const int kRowSize = (width * 4 + 15) & ~15;
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align_buffer_64(row, kRowSize * 2);
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int y;
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for (y = 0; y < height - 1; y += 2) {
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BayerRow0(src_bayer, src_stride_bayer, row, width);
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BayerRow1(src_bayer + src_stride_bayer, -src_stride_bayer,
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row + kRowSize, width);
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ARGBToUVRow(row, kRowSize, dst_u, dst_v, width);
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ARGBToYRow(row, dst_y, width);
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ARGBToYRow(row + kRowSize, dst_y + dst_stride_y, width);
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src_bayer += src_stride_bayer * 2;
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dst_y += dst_stride_y * 2;
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dst_u += dst_stride_u;
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dst_v += dst_stride_v;
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}
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if (height & 1) {
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BayerRow0(src_bayer, src_stride_bayer, row, width);
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ARGBToUVRow(row, 0, dst_u, dst_v, width);
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ARGBToYRow(row, dst_y, width);
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}
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free_aligned_buffer_64(row);
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}
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if (height & 1) {
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BayerRow0(src_bayer, src_stride_bayer, row, width);
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ARGBToUVRow(row, 0, dst_u, dst_v, width);
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ARGBToYRow(row, dst_y, width);
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}
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free_aligned_buffer_64(row);
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return 0;
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}
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@ -387,10 +397,22 @@ int I420ToBayer(const uint8* src_y, int src_stride_y,
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uint8* dst_bayer, int dst_stride_bayer,
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int width, int height,
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uint32 dst_fourcc_bayer) {
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void (*I422ToARGBRow)(const uint8* y_buf,
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const uint8* u_buf,
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const uint8* v_buf,
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uint8* rgb_buf,
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int width) = I422ToARGBRow_C;
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void (*ARGBToBayerRow)(const uint8* src_argb, uint8* dst_bayer,
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uint32 selector, int pix) = ARGBToBayerRow_C;
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const int blue_index = 0; // Offsets for ARGB format
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const int green_index = 1;
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const int red_index = 2;
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uint32 index_map[2];
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// Negative height means invert the image.
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if (height < 0) {
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int halfheight;
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height = -height;
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int halfheight = (height + 1) >> 1;
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halfheight = (height + 1) >> 1;
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src_y = src_y + (height - 1) * src_stride_y;
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src_u = src_u + (halfheight - 1) * src_stride_u;
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src_v = src_v + (halfheight - 1) * src_stride_v;
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@ -398,11 +420,6 @@ int I420ToBayer(const uint8* src_y, int src_stride_y,
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src_stride_u = -src_stride_u;
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src_stride_v = -src_stride_v;
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}
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void (*I422ToARGBRow)(const uint8* y_buf,
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const uint8* u_buf,
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const uint8* v_buf,
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uint8* rgb_buf,
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int width) = I422ToARGBRow_C;
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#if defined(HAS_I422TOARGBROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
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I422ToARGBRow = I422ToARGBRow_Any_SSSE3;
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@ -436,8 +453,6 @@ int I420ToBayer(const uint8* src_y, int src_stride_y,
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}
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#endif
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void (*ARGBToBayerRow)(const uint8* src_argb, uint8* dst_bayer,
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uint32 selector, int pix) = ARGBToBayerRow_C;
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#if defined(HAS_ARGBTOBAYERROW_SSSE3)
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if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
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ARGBToBayerRow = ARGBToBayerRow_Any_SSSE3;
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@ -454,27 +469,26 @@ int I420ToBayer(const uint8* src_y, int src_stride_y,
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}
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#endif
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const int blue_index = 0; // Offsets for ARGB format
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const int green_index = 1;
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const int red_index = 2;
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uint32 index_map[2];
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if (MakeSelectors(blue_index, green_index, red_index,
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dst_fourcc_bayer, index_map)) {
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return -1; // Bad FourCC
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}
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// Allocate a row of ARGB.
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align_buffer_64(row, width * 4);
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for (int y = 0; y < height; ++y) {
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I422ToARGBRow(src_y, src_u, src_v, row, width);
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ARGBToBayerRow(row, dst_bayer, index_map[y & 1], width);
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dst_bayer += dst_stride_bayer;
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src_y += src_stride_y;
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if (y & 1) {
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src_u += src_stride_u;
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src_v += src_stride_v;
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{
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// Allocate a row of ARGB.
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align_buffer_64(row, width * 4);
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int y;
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for (y = 0; y < height; ++y) {
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I422ToARGBRow(src_y, src_u, src_v, row, width);
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ARGBToBayerRow(row, dst_bayer, index_map[y & 1], width);
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dst_bayer += dst_stride_bayer;
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src_y += src_stride_y;
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if (y & 1) {
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src_u += src_stride_u;
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src_v += src_stride_v;
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}
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}
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free_aligned_buffer_64(row);
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}
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free_aligned_buffer_64(row);
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return 0;
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}
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