Using 128 entry look up table for coef models
Reverts to using 128 bit LUT for the coef models rather than 48 to ease hardware implementation. Also incorporates some cleanups including removing various hooks to support different lookup tables based on block_type and ref_type. Change-Id: I54100c120cca07a2ebd3a7776bc4630fa6a153f6
This commit is contained in:
Deb Mukherjee
parent
4e08fa96f3
commit
de4d682ca4
@ -423,111 +423,166 @@ const vp9_tree_index vp9_coefmodel_tree[6] = {
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// beta = 8
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const vp9_prob vp9_modelcoefprobs_pareto8[COEFPROB_MODELS][MODEL_NODES] = {
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{ 3, 86, 128, 6, 86, 23, 88, 29},
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{ 9, 86, 129, 17, 88, 61, 94, 76},
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{ 20, 88, 130, 38, 91, 118, 106, 136},
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{ 31, 90, 131, 58, 94, 156, 117, 171},
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{ 42, 91, 132, 75, 97, 183, 127, 194},
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{ 52, 93, 133, 90, 100, 201, 137, 208},
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{ 62, 94, 135, 105, 103, 214, 146, 218},
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{ 71, 96, 136, 117, 106, 224, 155, 225},
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{ 80, 98, 137, 129, 109, 231, 162, 231},
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{ 89, 99, 138, 140, 112, 236, 170, 235},
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{ 97, 101, 140, 149, 115, 240, 176, 238},
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{ 105, 103, 141, 158, 118, 243, 182, 240},
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{ 113, 104, 142, 166, 120, 245, 187, 242},
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{ 120, 106, 143, 173, 123, 247, 192, 244},
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{ 127, 108, 145, 180, 126, 249, 197, 245},
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{ 134, 110, 146, 186, 129, 250, 201, 246},
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{ 140, 112, 147, 192, 132, 251, 205, 247},
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{ 146, 114, 149, 197, 135, 252, 208, 248},
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{ 152, 115, 150, 201, 138, 252, 211, 248},
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{ 158, 117, 151, 206, 140, 253, 214, 249},
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{ 163, 119, 153, 210, 143, 253, 217, 249},
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{ 168, 121, 154, 213, 146, 254, 220, 250},
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{ 173, 123, 155, 217, 148, 254, 222, 250},
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{ 178, 125, 157, 220, 151, 254, 224, 251},
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{ 183, 127, 158, 222, 153, 254, 226, 251},
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{ 187, 129, 160, 225, 156, 255, 228, 251},
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{ 191, 132, 161, 227, 159, 255, 229, 251},
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{ 195, 134, 163, 230, 161, 255, 231, 252},
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{ 199, 136, 164, 232, 163, 255, 232, 252},
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{ 202, 138, 166, 233, 166, 255, 233, 252},
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{ 206, 140, 167, 235, 168, 255, 235, 252},
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{ 212, 145, 170, 238, 173, 255, 237, 252},
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{ 218, 149, 173, 241, 177, 255, 239, 253},
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{ 223, 154, 177, 243, 182, 255, 240, 253},
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{ 228, 159, 180, 245, 186, 255, 242, 253},
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{ 232, 164, 184, 247, 190, 255, 243, 253},
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{ 236, 169, 187, 248, 194, 255, 244, 253},
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{ 239, 174, 191, 249, 198, 255, 245, 254},
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{ 242, 179, 195, 250, 202, 255, 246, 254},
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{ 244, 185, 199, 251, 206, 255, 247, 254},
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{ 247, 191, 203, 252, 209, 255, 248, 254},
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{ 249, 197, 207, 253, 213, 255, 249, 254},
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{ 250, 203, 212, 253, 216, 255, 249, 254},
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{ 252, 209, 217, 254, 220, 255, 250, 254},
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{ 253, 216, 222, 254, 224, 255, 251, 254},
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{ 254, 224, 228, 255, 227, 255, 251, 254},
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{ 255, 232, 235, 255, 232, 255, 252, 254},
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{ 255, 246, 247, 255, 239, 255, 253, 255}
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{ 3, 86, 128, 6, 86, 23, 88, 29},
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{ 9, 86, 129, 17, 88, 61, 94, 76},
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{ 15, 87, 129, 28, 89, 93, 100, 110},
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{ 20, 88, 130, 38, 91, 118, 106, 136},
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{ 26, 89, 131, 48, 92, 139, 111, 156},
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{ 31, 90, 131, 58, 94, 156, 117, 171},
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{ 37, 90, 132, 66, 95, 171, 122, 184},
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{ 42, 91, 132, 75, 97, 183, 127, 194},
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{ 47, 92, 133, 83, 98, 193, 132, 202},
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{ 52, 93, 133, 90, 100, 201, 137, 208},
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{ 57, 94, 134, 98, 101, 208, 142, 214},
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{ 62, 94, 135, 105, 103, 214, 146, 218},
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{ 66, 95, 135, 111, 104, 219, 151, 222},
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{ 71, 96, 136, 117, 106, 224, 155, 225},
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{ 76, 97, 136, 123, 107, 227, 159, 228},
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{ 80, 98, 137, 129, 109, 231, 162, 231},
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{ 84, 98, 138, 134, 110, 234, 166, 233},
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{ 89, 99, 138, 140, 112, 236, 170, 235},
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{ 93, 100, 139, 145, 113, 238, 173, 236},
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{ 97, 101, 140, 149, 115, 240, 176, 238},
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{101, 102, 140, 154, 116, 242, 179, 239},
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{105, 103, 141, 158, 118, 243, 182, 240},
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{109, 104, 141, 162, 119, 244, 185, 241},
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{113, 104, 142, 166, 120, 245, 187, 242},
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{116, 105, 143, 170, 122, 246, 190, 243},
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{120, 106, 143, 173, 123, 247, 192, 244},
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{123, 107, 144, 177, 125, 248, 195, 244},
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{127, 108, 145, 180, 126, 249, 197, 245},
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{130, 109, 145, 183, 128, 249, 199, 245},
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{134, 110, 146, 186, 129, 250, 201, 246},
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{137, 111, 147, 189, 131, 251, 203, 246},
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{140, 112, 147, 192, 132, 251, 205, 247},
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{143, 113, 148, 194, 133, 251, 207, 247},
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{146, 114, 149, 197, 135, 252, 208, 248},
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{149, 115, 149, 199, 136, 252, 210, 248},
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{152, 115, 150, 201, 138, 252, 211, 248},
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{155, 116, 151, 204, 139, 253, 213, 249},
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{158, 117, 151, 206, 140, 253, 214, 249},
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{161, 118, 152, 208, 142, 253, 216, 249},
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{163, 119, 153, 210, 143, 253, 217, 249},
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{166, 120, 153, 212, 144, 254, 218, 250},
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{168, 121, 154, 213, 146, 254, 220, 250},
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{171, 122, 155, 215, 147, 254, 221, 250},
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{173, 123, 155, 217, 148, 254, 222, 250},
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{176, 124, 156, 218, 150, 254, 223, 250},
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{178, 125, 157, 220, 151, 254, 224, 251},
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{180, 126, 157, 221, 152, 254, 225, 251},
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{183, 127, 158, 222, 153, 254, 226, 251},
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{185, 128, 159, 224, 155, 255, 227, 251},
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{187, 129, 160, 225, 156, 255, 228, 251},
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{189, 131, 160, 226, 157, 255, 228, 251},
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{191, 132, 161, 227, 159, 255, 229, 251},
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{193, 133, 162, 228, 160, 255, 230, 252},
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{195, 134, 163, 230, 161, 255, 231, 252},
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{197, 135, 163, 231, 162, 255, 231, 252},
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{199, 136, 164, 232, 163, 255, 232, 252},
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{201, 137, 165, 233, 165, 255, 233, 252},
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{202, 138, 166, 233, 166, 255, 233, 252},
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{204, 139, 166, 234, 167, 255, 234, 252},
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{206, 140, 167, 235, 168, 255, 235, 252},
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{207, 141, 168, 236, 169, 255, 235, 252},
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{209, 142, 169, 237, 171, 255, 236, 252},
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{210, 144, 169, 237, 172, 255, 236, 252},
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{212, 145, 170, 238, 173, 255, 237, 252},
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{214, 146, 171, 239, 174, 255, 237, 253},
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{215, 147, 172, 240, 175, 255, 238, 253},
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{216, 148, 173, 240, 176, 255, 238, 253},
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{218, 149, 173, 241, 177, 255, 239, 253},
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{219, 150, 174, 241, 179, 255, 239, 253},
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{220, 152, 175, 242, 180, 255, 240, 253},
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{222, 153, 176, 242, 181, 255, 240, 253},
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{223, 154, 177, 243, 182, 255, 240, 253},
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{224, 155, 178, 244, 183, 255, 241, 253},
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{225, 156, 178, 244, 184, 255, 241, 253},
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{226, 158, 179, 244, 185, 255, 242, 253},
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{228, 159, 180, 245, 186, 255, 242, 253},
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{229, 160, 181, 245, 187, 255, 242, 253},
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{230, 161, 182, 246, 188, 255, 243, 253},
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{231, 163, 183, 246, 189, 255, 243, 253},
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{232, 164, 184, 247, 190, 255, 243, 253},
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{233, 165, 185, 247, 191, 255, 244, 253},
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{234, 166, 185, 247, 192, 255, 244, 253},
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{235, 168, 186, 248, 193, 255, 244, 253},
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{236, 169, 187, 248, 194, 255, 244, 253},
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{236, 170, 188, 248, 195, 255, 245, 253},
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{237, 171, 189, 249, 196, 255, 245, 254},
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{238, 173, 190, 249, 197, 255, 245, 254},
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{239, 174, 191, 249, 198, 255, 245, 254},
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{240, 175, 192, 249, 199, 255, 246, 254},
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{240, 177, 193, 250, 200, 255, 246, 254},
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{241, 178, 194, 250, 201, 255, 246, 254},
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{242, 179, 195, 250, 202, 255, 246, 254},
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{242, 181, 196, 250, 203, 255, 247, 254},
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{243, 182, 197, 251, 204, 255, 247, 254},
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{244, 184, 198, 251, 205, 255, 247, 254},
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{244, 185, 199, 251, 206, 255, 247, 254},
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{245, 186, 200, 251, 207, 255, 247, 254},
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{246, 188, 201, 252, 207, 255, 248, 254},
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{246, 189, 202, 252, 208, 255, 248, 254},
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{247, 191, 203, 252, 209, 255, 248, 254},
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{247, 192, 204, 252, 210, 255, 248, 254},
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{248, 194, 205, 252, 211, 255, 248, 254},
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{248, 195, 206, 252, 212, 255, 249, 254},
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{249, 197, 207, 253, 213, 255, 249, 254},
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{249, 198, 208, 253, 214, 255, 249, 254},
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{250, 200, 210, 253, 215, 255, 249, 254},
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{250, 201, 211, 253, 215, 255, 249, 254},
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{250, 203, 212, 253, 216, 255, 249, 254},
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{251, 204, 213, 253, 217, 255, 250, 254},
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{251, 206, 214, 254, 218, 255, 250, 254},
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{252, 207, 216, 254, 219, 255, 250, 254},
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{252, 209, 217, 254, 220, 255, 250, 254},
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{252, 211, 218, 254, 221, 255, 250, 254},
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{253, 213, 219, 254, 222, 255, 250, 254},
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{253, 214, 221, 254, 223, 255, 250, 254},
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{253, 216, 222, 254, 224, 255, 251, 254},
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{253, 218, 224, 254, 225, 255, 251, 254},
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{254, 220, 225, 254, 225, 255, 251, 254},
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{254, 222, 227, 255, 226, 255, 251, 254},
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{254, 224, 228, 255, 227, 255, 251, 254},
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{254, 226, 230, 255, 228, 255, 251, 254},
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{255, 228, 231, 255, 230, 255, 251, 254},
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{255, 230, 233, 255, 231, 255, 252, 254},
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{255, 232, 235, 255, 232, 255, 252, 254},
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{255, 235, 237, 255, 233, 255, 252, 254},
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{255, 238, 240, 255, 235, 255, 252, 255},
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{255, 241, 243, 255, 236, 255, 252, 254},
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{255, 246, 247, 255, 239, 255, 253, 255}
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};
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void vp9_get_model_distribution(vp9_prob p, vp9_prob *tree_probs,
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int b, int r) {
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static void extend_model_to_full_distribution(vp9_prob p,
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vp9_prob *tree_probs) {
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const int l = ((p - 1) / 2);
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const vp9_prob (*model)[MODEL_NODES];
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model = vp9_modelcoefprobs_pareto8;
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if (p == 1) {
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if (p & 1) {
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vpx_memcpy(tree_probs + UNCONSTRAINED_NODES,
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model[2], MODEL_NODES * sizeof(vp9_prob));
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} else if (p == 2) {
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model[l], MODEL_NODES * sizeof(vp9_prob));
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} else {
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// interpolate
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int i;
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for (i = UNCONSTRAINED_NODES; i < ENTROPY_NODES; ++i)
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tree_probs[i] = (model[0][i - UNCONSTRAINED_NODES] +
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model[1][i - UNCONSTRAINED_NODES]) >> 1;
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} else if (p < 119) {
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// interpolate
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int i, k, l;
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k = (p - 3) & 3;
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l = ((p - 3) >> 2) + 1;
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if (k) {
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for (i = UNCONSTRAINED_NODES; i < ENTROPY_NODES; ++i)
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tree_probs[i] = (model[l][i - UNCONSTRAINED_NODES] * (4 - k) +
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model[l + 1][i - UNCONSTRAINED_NODES] * k + 1) >> 2;
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} else {
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vpx_memcpy(tree_probs + UNCONSTRAINED_NODES,
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model[l], MODEL_NODES * sizeof(vp9_prob));
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}
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} else {
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// interpolate
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int i, k, l;
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k = (p - 119) & 7;
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l = ((p - 119) >> 3) + 30;
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if (k) {
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for (i = UNCONSTRAINED_NODES; i < ENTROPY_NODES; ++i)
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tree_probs[i] = (model[l][i - UNCONSTRAINED_NODES] * (8 - k) +
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model[l + 1][i - UNCONSTRAINED_NODES] * k + 3) >> 3;
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} else {
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vpx_memcpy(tree_probs + UNCONSTRAINED_NODES,
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model[l], MODEL_NODES * sizeof(vp9_prob));
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}
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tree_probs[i] = (model[l][i - UNCONSTRAINED_NODES] +
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model[l + 1][i - UNCONSTRAINED_NODES]) >> 1;
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}
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}
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void vp9_model_to_full_probs(const vp9_prob *model, int b, int r, vp9_prob *full) {
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vpx_memcpy(full, model, sizeof(vp9_prob) * UNCONSTRAINED_NODES);
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vp9_get_model_distribution(model[PIVOT_NODE], full, b, r);
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void vp9_model_to_full_probs(const vp9_prob *model, vp9_prob *full) {
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if (full != model)
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vpx_memcpy(full, model, sizeof(vp9_prob) * UNCONSTRAINED_NODES);
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extend_model_to_full_distribution(model[PIVOT_NODE], full);
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}
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void vp9_model_to_full_probs_sb(
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vp9_prob model[COEF_BANDS][PREV_COEF_CONTEXTS][UNCONSTRAINED_NODES],
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int b, int r,
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vp9_prob full[COEF_BANDS][PREV_COEF_CONTEXTS][ENTROPY_NODES]) {
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int c, p;
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for (c = 0; c < COEF_BANDS; ++c)
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for (p = 0; p < PREV_COEF_CONTEXTS; ++p) {
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vp9_model_to_full_probs(model[c][p], b, r, full[c][p]);
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vp9_model_to_full_probs(model[c][p], full[c][p]);
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}
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}
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@ -155,13 +155,11 @@ extern int vp9_get_coef_context(const int *scan, const int *neighbors,
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const int *vp9_get_coef_neighbors_handle(const int *scan, int *pad);
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// 48 lists of probabilities are stored for the following ONE node probs:
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// 1, (count 1)
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// 3, 7, 11, 15, ..., 115, 119, (count 30)
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// 127, 135, 143, ..., 247, 255 (count 17)
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// 128 lists of probabilities are stored for the following ONE node probs:
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// 1, 3, 5, 7, ..., 253, 255
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// In between probabilities are interpolated linearly
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#define COEFPROB_MODELS 48
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#define COEFPROB_MODELS 128
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#define UNCONSTRAINED_NODES 3
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#define MODEL_NODES (ENTROPY_NODES - UNCONSTRAINED_NODES)
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@ -180,16 +178,13 @@ typedef unsigned int vp9_coeff_stats_model[REF_TYPES][COEF_BANDS]
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extern void vp9_full_to_model_counts(
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vp9_coeff_count_model *model_count, vp9_coeff_count *full_count);
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void vp9_model_to_full_probs(const vp9_prob *model, int b, int r, vp9_prob *full);
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void vp9_model_to_full_probs(const vp9_prob *model, vp9_prob *full);
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void vp9_model_to_full_probs_sb(
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vp9_prob model[COEF_BANDS][PREV_COEF_CONTEXTS][UNCONSTRAINED_NODES],
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int b, int r,
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vp9_prob full[COEF_BANDS][PREV_COEF_CONTEXTS][ENTROPY_NODES]);
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extern const vp9_prob vp9_modelcoefprobs[COEFPROB_MODELS][ENTROPY_NODES - 1];
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void vp9_get_model_distribution(vp9_prob model, vp9_prob *tree_probs,
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int b, int r);
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static INLINE const int* get_scan_4x4(TX_TYPE tx_type) {
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switch (tx_type) {
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@ -206,7 +206,7 @@ SKIP_START:
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}
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// Load full probabilities if not already loaded
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if (!load_map[band][pt]) {
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vp9_model_to_full_probs(coef_probs[band][pt], type, ref,
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vp9_model_to_full_probs(coef_probs[band][pt],
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coef_probs_full[band][pt]);
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load_map[band][pt] = 1;
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}
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@ -420,7 +420,8 @@ static int prob_diff_update_savings_search_model(const unsigned int *ct,
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int i, old_b, new_b, update_b, savings, bestsavings, step;
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int newp;
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vp9_prob bestnewp, newplist[ENTROPY_NODES], oldplist[ENTROPY_NODES];
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vp9_model_to_full_probs(oldp, b, r, oldplist);
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vp9_model_to_full_probs(oldp, oldplist);
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vpx_memcpy(newplist, oldp, sizeof(vp9_prob) * UNCONSTRAINED_NODES);
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for (i = UNCONSTRAINED_NODES, old_b = 0; i < ENTROPY_NODES; ++i)
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old_b += cost_branch256(ct + 2 * i, oldplist[i]);
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old_b += cost_branch256(ct + 2 * PIVOT_NODE, oldplist[PIVOT_NODE]);
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@ -433,7 +434,7 @@ static int prob_diff_update_savings_search_model(const unsigned int *ct,
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for (; newp != oldp[PIVOT_NODE]; newp += step) {
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if (newp < 1 || newp > 255) continue;
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newplist[PIVOT_NODE] = newp;
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vp9_get_model_distribution(newp, newplist, b, r);
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vp9_model_to_full_probs(newplist, newplist);
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for (i = UNCONSTRAINED_NODES, new_b = 0; i < ENTROPY_NODES; ++i)
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new_b += cost_branch256(ct + 2 * i, newplist[i]);
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new_b += cost_branch256(ct + 2 * PIVOT_NODE, newplist[PIVOT_NODE]);
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@ -485,8 +486,7 @@ static void pack_mb_tokens(vp9_writer* const bc,
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break;
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||||
}
|
||||
if (t >= TWO_TOKEN) {
|
||||
vp9_model_to_full_probs(p->context_tree,
|
||||
p->block_type, p->ref_type, probs);
|
||||
vp9_model_to_full_probs(p->context_tree, probs);
|
||||
pp = probs;
|
||||
} else {
|
||||
pp = p->context_tree;
|
||||
|
||||
@ -115,7 +115,7 @@ static void fill_token_costs(vp9_coeff_count *c,
|
||||
for (k = 0; k < COEF_BANDS; k++)
|
||||
for (l = 0; l < PREV_COEF_CONTEXTS; l++) {
|
||||
vp9_prob probs[ENTROPY_NODES];
|
||||
vp9_model_to_full_probs(p[i][j][k][l], i, j, probs);
|
||||
vp9_model_to_full_probs(p[i][j][k][l], probs);
|
||||
vp9_cost_tokens_skip((int *)c[i][j][k][l], probs,
|
||||
vp9_coef_tree);
|
||||
}
|
||||
@ -292,7 +292,7 @@ static INLINE int cost_coeffs(VP9_COMMON *const cm, MACROBLOCK *mb,
|
||||
above_ec = A[0] != 0;
|
||||
left_ec = L[0] != 0;
|
||||
vp9_model_to_full_probs_sb(cm->fc.coef_probs_4x4[type][ref],
|
||||
type, ref, coef_probs);
|
||||
coef_probs);
|
||||
seg_eob = 16;
|
||||
scan = get_scan_4x4(tx_type);
|
||||
band_translate = vp9_coefband_trans_4x4;
|
||||
@ -308,7 +308,7 @@ static INLINE int cost_coeffs(VP9_COMMON *const cm, MACROBLOCK *mb,
|
||||
left_ec = (L[0] + L[1]) != 0;
|
||||
scan = get_scan_8x8(tx_type);
|
||||
vp9_model_to_full_probs_sb(cm->fc.coef_probs_8x8[type][ref],
|
||||
type, ref, coef_probs);
|
||||
coef_probs);
|
||||
seg_eob = 64;
|
||||
band_translate = vp9_coefband_trans_8x8plus;
|
||||
break;
|
||||
@ -321,7 +321,7 @@ static INLINE int cost_coeffs(VP9_COMMON *const cm, MACROBLOCK *mb,
|
||||
get_tx_type_16x16(xd, y + (x >> 2)) : DCT_DCT;
|
||||
scan = get_scan_16x16(tx_type);
|
||||
vp9_model_to_full_probs_sb(cm->fc.coef_probs_16x16[type][ref],
|
||||
type, ref, coef_probs);
|
||||
coef_probs);
|
||||
seg_eob = 256;
|
||||
above_ec = (A[0] + A[1] + A[2] + A[3]) != 0;
|
||||
left_ec = (L[0] + L[1] + L[2] + L[3]) != 0;
|
||||
@ -331,7 +331,7 @@ static INLINE int cost_coeffs(VP9_COMMON *const cm, MACROBLOCK *mb,
|
||||
case TX_32X32:
|
||||
scan = vp9_default_zig_zag1d_32x32;
|
||||
vp9_model_to_full_probs_sb(cm->fc.coef_probs_32x32[type][ref],
|
||||
type, ref, coef_probs);
|
||||
coef_probs);
|
||||
seg_eob = 1024;
|
||||
above_ec = (A[0] + A[1] + A[2] + A[3] + A[4] + A[5] + A[6] + A[7]) != 0;
|
||||
left_ec = (L[0] + L[1] + L[2] + L[3] + L[4] + L[5] + L[6] + L[7]) != 0;
|
||||
|
||||
@ -224,8 +224,6 @@ static void tokenize_b(int plane, int block, BLOCK_SIZE_TYPE bsize,
|
||||
|
||||
t->token = token;
|
||||
t->context_tree = coef_probs[type][ref][band][pt];
|
||||
t->block_type = type;
|
||||
t->ref_type = ref;
|
||||
t->skip_eob_node = (c > 0) && (token_cache[scan[c - 1]] == 0);
|
||||
assert(vp9_coef_encodings[t->token].len - t->skip_eob_node > 0);
|
||||
|
||||
|
||||
@ -26,8 +26,6 @@ typedef struct {
|
||||
int16_t extra;
|
||||
uint8_t token;
|
||||
uint8_t skip_eob_node;
|
||||
uint8_t block_type;
|
||||
uint8_t ref_type;
|
||||
} TOKENEXTRA;
|
||||
|
||||
typedef int64_t vp9_coeff_accum[REF_TYPES][COEF_BANDS][PREV_COEF_CONTEXTS]
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user