YUV转RGB查表方式的代码
2024-05-18 05:49:02
YUV格式画面可以出来。如果是其他的YUV格式，颜色会有问题。性能并不象预料中的那样。
static int Table_fv1[] = {-180, -179, -177, -176, -174, -173, -172, -170,-169, -167, -166, -165, -163, -162, -160, -159,-158, -156, -155, -153, -152, -151, -149, -148,-146, -145, -144, -142, -141, -139, -138, -137,-135, -134, -132, -131, -130, -128, -127, -125,-124, -123, -121, -120, -118, -117, -115, -114,-113, -111, -110, -108, -107, -106, -104, -103,-101, -100, -99, -97, -96, -94, -93, -92,-90, -89, -87, -86, -85, -83, -82, -80,-79, -78, -76, -75, -73, -72, -71, -69,-68, -66, -65, -64, -62, -61, -59, -58,-57, -55, -54, -52, -51, -50, -48, -47,-45, -44, -43, -41, -40, -38, -37, -36,-34, -33, -31, -30, -29, -27, -26, -24,-23, -22, -20, -19, -17, -16, -15, -13,-12, -10, -9, -8, -6, -5, -3, -2,0, 1, 2, 4, 5, 7,8, 9, 11, 12, 14, 15,16, 18, 19, 21, 22, 23, 25, 26, 28, 29, 30,32, 33, 35, 36, 37, 39, 40, 42, 43, 44, 46,47, 49, 50, 51, 53, 54, 56, 57, 58, 60, 61,63, 64, 65, 67, 68, 70, 71, 72, 74, 75, 77, 78, 79,81, 82, 84, 85, 86, 88, 89, 91, 92, 93, 95, 96, 98, 99, 100,102, 103, 105, 106, 107, 109, 110, 112, 113, 114, 116, 117,119, 120, 122, 123, 124, 126, 127, 129, 130, 131, 133, 134,136, 137, 138, 140, 141, 143, 144, 145, 147, 148,150, 151, 152, 154, 155, 157, 158, 159, 161, 162,164, 165, 166, 168, 169, 171, 172, 173, 175, 176, 178 };static int Table_fv2[] = {-92, -91, -91, -90, -89, -88, -88, -87, -86, -86, -85,-84, -83, -83, -82, -81, -81, -80, -79, -78, -78, -77,-76, -76, -75, -74, -73, -73, -72, -71, -71, -70, -69,-68, -68, -67, -66, -66, -65, -64, -63, -63, -62,-61, -61, -60, -59, -58, -58, -57, -56, -56, -55,-54, -53, -53, -52, -51, -51, -50, -49, -48, -48, -47,-46, -46, -45, -44, -43, -43, -42, -41, -41, -40, -39, -38, -38,-37, -36, -36, -35, -34, -33, -33, -32, -31, -31, -30, -29,-28, -28, -27, -26, -26, -25, -24, -23, -23, -22, -21, -21, -20, -19,-18, -18, -17, -16, -16, -15, -14, -13, -13, -12, -11, -11, -10, -9,-8, -8, -7, -6, -6, -5, -4, -3, -3, -2, -1, 0, 0, 1, 2, 2, 3, 4, 5, 5,6, 7, 7, 8, 9, 10, 10, 11, 12, 12, 13, 14, 15, 15, 16, 17, 17, 18, 19,20, 20, 21, 22, 22, 23, 24, 25, 25, 26, 27, 27, 28, 29, 30, 30, 31,32, 32, 33, 34, 35, 35, 36, 37, 37, 38, 39, 40, 40, 41, 42, 42,43, 44, 45, 45, 46, 47, 47, 48, 49, 50, 50, 51, 52, 52, 53, 54, 55, 55,56, 57, 57, 58, 59, 60, 60, 61, 62, 62, 63, 64, 65, 65, 66, 67, 67, 68, 69,70, 70, 71, 72, 72, 73, 74, 75, 75, 76, 77, 77, 78, 79, 80, 80, 81, 82, 82,83, 84, 85, 85, 86, 87, 87, 88, 89, 90, 90 };static int Table_fu1[] = {-44, -44, -44, -43, -43, -43, -42, -42, -42,-41, -41, -41, -40, -40, -40, -39, -39, -39,-38, -38, -38, -37, -37, -37, -36, -36, -36,-35, -35, -35, -34, -34, -33, -33, -33,-32, -32, -32, -31, -31, -31, -30, -30, -30,-29, -29, -29, -28, -28, -28, -27, -27, -27,-26, -26, -26, -25, -25, -25, -24, -24, -24,-23, -23, -22, -22, -22, -21, -21, -21,-20, -20, -20, -19, -19, -19, -18, -18, -18,-17, -17, -17, -16, -16, -16, -15, -15, -15,-14, -14, -14, -13, -13, -13, -12, -12,-11, -11, -11, -10, -10, -10, -9, -9, -9,-8, -8, -8, -7, -7, -7, -6, -6, -6, -5,-5, -5, -4, -4, -4, -3, -3, -3,-2, -2, -2, -1, -1,0, 0, 0, 1, 1, 1, 2, 2, 2,3, 3, 3, 4, 4, 4, 5, 5, 5,6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10,11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14,15, 15, 15, 16, 16, 16, 17, 17, 17, 18, 18, 18,19, 19, 19, 20, 20, 20, 21, 21, 22, 22, 22, 23, 23, 23,24, 24, 24, 25, 25, 25, 26, 26, 26, 27, 27, 27,28, 28, 28, 29, 29, 29, 30, 30, 30, 31, 31, 31, 32, 32,33, 33, 33, 34, 34, 34, 35, 35, 35, 36, 36, 36, 37, 37, 37,38, 38, 38, 39, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42, 42,43, 43 };static int Table_fu2[] = {-227, -226, -224, -222, -220, -219, -217, -215, -213, -212,-210, -208, -206, -204, -203, -201, -199, -197, -196, -194,-192, -190, -188, -187, -185, -183, -181, -180, -178, -176,-174, -173, -171, -169, -167, -165, -164, -162, -160, -158,-157, -155, -153, -151, -149, -148, -146, -144, -142, -141,-139, -137, -135, -134, -132, -130, -128, -126, -125, -123,-121, -119, -118, -116, -114, -112, -110, -109, -107, -105,-103, -102, -100, -98, -96, -94, -93, -91, -89, -87, -86,-84, -82, -80, -79, -77, -75, -73, -71, -70, -68, -66,-64, -63, -61, -59, -57, -55, -54, -52, -50, -48, -47,-45, -43, -41, -40, -38, -36, -34, -32, -31, -29, -27,-25, -24, -22, -20, -18, -16, -15, -13, -11, -9, -8,-6, -4, -2, 0, 1, 3, 5, 7, 8, 10, 12, 14, 15, 17, 19,21, 23, 24, 26, 28, 30, 31, 33, 35, 37, 39, 40, 42,44, 46, 47, 49, 51, 53, 54, 56, 58, 60, 62, 63, 65,67, 69, 70, 72, 74, 76, 78, 79, 81, 83, 85, 86, 88,90, 92, 93, 95, 97, 99, 101, 102, 104, 106, 108, 109,111, 113, 115, 117, 118, 120, 122, 124, 125, 127, 129,131, 133, 134, 136, 138, 140, 141, 143, 145, 147, 148,150, 152, 154, 156, 157, 159, 161, 163, 164, 166, 168,170, 172, 173, 175, 177, 179, 180, 182, 184, 186, 187,189, 191, 193, 195, 196, 198, 200, 202, 203, 205, 207,209, 211, 212, 214, 216, 218, 219, 221, 223, 225};public static boolean YV12ToBGRA_Table(byte[] pYUV, byte[] pBGR24, int width, int height){if (width < 1 || height < 1 || pYUV == null || pBGR24 == null){return false;}Log.e(TAG, "size="+pYUV.length+", "+pBGR24.length+", "+width+", "+height);int color_depth = 4;int len = width * height;int yData = 0;int vData = len;int uData = len >> 2;int bgr[] = new int[color_depth];int yIdx,uIdx,vIdx,idx;int rdif,invgdif,bdif;for (int i = 0;i < height;i++){for (int j = 0;j < width;j++){yIdx = i * width + j;vIdx = (i/2) * (width/2) + (j/2);uIdx = vIdx;rdif = Table_fv1[pYUV[vData+vIdx] & 0xFF];invgdif = Table_fu1[pYUV[uData+uIdx] & 0xFF] + Table_fv2[pYUV[vData+vIdx] & 0xFF];bdif = Table_fu2[pYUV[uData+uIdx] & 0xFF];bgr[0] = (pYUV[yData+yIdx] & 0xFF) + bdif; bgr[1] = (pYUV[yData+yIdx] & 0xFF) - invgdif;bgr[2] = (pYUV[yData+yIdx] & 0xFF) + rdif;for (int k = 0;k < color_depth;k++){idx = (i * width + j) * color_depth + k;if(bgr[k] >= 0 && bgr[k] <= 255)pBGR24[idx] = (byte) bgr[k];elsepBGR24[idx] = (byte)((bgr[k] < 0)? 0: 255);}}}return true;}YUV转RGB查表方式的代码相关推荐
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