| /* |
| * Copyright (c) 2015 Henrik Gramner |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with FFmpeg; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| #include <string.h> |
| #include "checkasm.h" |
| #include "libavcodec/avcodec.h" |
| #include "libavcodec/h264pred.h" |
| #include "libavutil/common.h" |
| #include "libavutil/internal.h" |
| #include "libavutil/intreadwrite.h" |
| |
| static const int codec_ids[4] = { AV_CODEC_ID_H264, AV_CODEC_ID_VP8, AV_CODEC_ID_RV40, AV_CODEC_ID_SVQ3 }; |
| |
| static const char * const pred4x4_modes[4][15] = { |
| { /* H264 */ |
| [VERT_PRED ] = "vertical", |
| [HOR_PRED ] = "horizontal", |
| [DC_PRED ] = "dc", |
| [DIAG_DOWN_LEFT_PRED ] = "down_left", |
| [DIAG_DOWN_RIGHT_PRED] = "down_right", |
| [VERT_RIGHT_PRED ] = "vertical_right", |
| [HOR_DOWN_PRED ] = "horizontal_right", |
| [VERT_LEFT_PRED ] = "vertical_left", |
| [HOR_UP_PRED ] = "horizontal_up", |
| [LEFT_DC_PRED ] = "left_dc", |
| [TOP_DC_PRED ] = "top_dc", |
| [DC_128_PRED ] = "dc_128", |
| }, |
| { /* VP8 */ |
| [VERT_PRED ] = "vertical_vp8", |
| [HOR_PRED ] = "horizontal_vp8", |
| [VERT_LEFT_PRED] = "vertical_left_vp8", |
| [TM_VP8_PRED ] = "tm_vp8", |
| [DC_127_PRED ] = "dc_127_vp8", |
| [DC_129_PRED ] = "dc_129_vp8", |
| }, |
| { /* RV40 */ |
| [DIAG_DOWN_LEFT_PRED ] = "down_left_rv40", |
| [VERT_LEFT_PRED ] = "vertical_left_rv40", |
| [HOR_UP_PRED ] = "horizontal_up_rv40", |
| [DIAG_DOWN_LEFT_PRED_RV40_NODOWN] = "down_left_nodown_rv40", |
| [HOR_UP_PRED_RV40_NODOWN ] = "horizontal_up_nodown_rv40", |
| [VERT_LEFT_PRED_RV40_NODOWN ] = "vertical_left_nodown_rv40", |
| }, |
| { /* SVQ3 */ |
| [DIAG_DOWN_LEFT_PRED] = "down_left_svq3", |
| }, |
| }; |
| |
| static const char * const pred8x8_modes[4][11] = { |
| { /* H264 */ |
| [DC_PRED8x8 ] = "dc", |
| [HOR_PRED8x8 ] = "horizontal", |
| [VERT_PRED8x8 ] = "vertical", |
| [PLANE_PRED8x8 ] = "plane", |
| [LEFT_DC_PRED8x8 ] = "left_dc", |
| [TOP_DC_PRED8x8 ] = "top_dc", |
| [DC_128_PRED8x8 ] = "dc_128", |
| [ALZHEIMER_DC_L0T_PRED8x8] = "mad_cow_dc_l0t", |
| [ALZHEIMER_DC_0LT_PRED8x8] = "mad_cow_dc_0lt", |
| [ALZHEIMER_DC_L00_PRED8x8] = "mad_cow_dc_l00", |
| [ALZHEIMER_DC_0L0_PRED8x8] = "mad_cow_dc_0l0", |
| }, |
| { /* VP8 */ |
| [PLANE_PRED8x8 ] = "tm_vp8", |
| [DC_127_PRED8x8] = "dc_127_vp8", |
| [DC_129_PRED8x8] = "dc_129_vp8", |
| }, |
| { /* RV40 */ |
| [DC_PRED8x8 ] = "dc_rv40", |
| [LEFT_DC_PRED8x8] = "left_dc_rv40", |
| [TOP_DC_PRED8x8 ] = "top_dc_rv40", |
| }, |
| /* nothing for SVQ3 */ |
| }; |
| |
| static const char * const pred16x16_modes[4][9] = { |
| { /* H264 */ |
| [DC_PRED8x8 ] = "dc", |
| [HOR_PRED8x8 ] = "horizontal", |
| [VERT_PRED8x8 ] = "vertical", |
| [PLANE_PRED8x8 ] = "plane", |
| [LEFT_DC_PRED8x8] = "left_dc", |
| [TOP_DC_PRED8x8 ] = "top_dc", |
| [DC_128_PRED8x8 ] = "dc_128", |
| }, |
| { /* VP8 */ |
| [PLANE_PRED8x8 ] = "tm_vp8", |
| [DC_127_PRED8x8] = "dc_127_vp8", |
| [DC_129_PRED8x8] = "dc_129_vp8", |
| }, |
| { /* RV40 */ |
| [PLANE_PRED8x8] = "plane_rv40", |
| }, |
| { /* SVQ3 */ |
| [PLANE_PRED8x8] = "plane_svq3", |
| }, |
| }; |
| |
| static const uint32_t pixel_mask[3] = { 0xffffffff, 0x01ff01ff, 0x03ff03ff }; |
| |
| #define SIZEOF_PIXEL ((bit_depth + 7) / 8) |
| #define BUF_SIZE (3 * 16 * 17) |
| |
| #define check_pred_func(func, name, mode_name) \ |
| (mode_name && ((codec_ids[codec] == AV_CODEC_ID_H264) ? \ |
| check_func(func, "pred%s_%s_%d", name, mode_name, bit_depth) : \ |
| check_func(func, "pred%s_%s", name, mode_name))) |
| |
| #define randomize_buffers() \ |
| do { \ |
| uint32_t mask = pixel_mask[bit_depth - 8]; \ |
| int i; \ |
| for (i = 0; i < BUF_SIZE; i += 4) { \ |
| uint32_t r = rnd() & mask; \ |
| AV_WN32A(buf0 + i, r); \ |
| AV_WN32A(buf1 + i, r); \ |
| } \ |
| } while (0) |
| |
| #define src0 (buf0 + 4 * 16) /* Offset to allow room for top and left */ |
| #define src1 (buf1 + 4 * 16) |
| |
| static void check_pred4x4(H264PredContext *h, uint8_t *buf0, uint8_t *buf1, |
| int codec, int chroma_format, int bit_depth) |
| { |
| if (chroma_format == 1) { |
| uint8_t *topright = buf0 + 2*16; |
| int pred_mode; |
| declare_func_emms(AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT, void, uint8_t *src, const uint8_t *topright, ptrdiff_t stride); |
| |
| for (pred_mode = 0; pred_mode < 15; pred_mode++) { |
| if (check_pred_func(h->pred4x4[pred_mode], "4x4", pred4x4_modes[codec][pred_mode])) { |
| randomize_buffers(); |
| call_ref(src0, topright, 12*SIZEOF_PIXEL); |
| call_new(src1, topright, 12*SIZEOF_PIXEL); |
| if (memcmp(buf0, buf1, BUF_SIZE)) |
| fail(); |
| bench_new(src1, topright, 12*SIZEOF_PIXEL); |
| } |
| } |
| } |
| } |
| |
| static void check_pred8x8(H264PredContext *h, uint8_t *buf0, uint8_t *buf1, |
| int codec, int chroma_format, int bit_depth) |
| { |
| int pred_mode; |
| declare_func_emms(AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT, void, uint8_t *src, ptrdiff_t stride); |
| |
| for (pred_mode = 0; pred_mode < 11; pred_mode++) { |
| if (check_pred_func(h->pred8x8[pred_mode], (chroma_format == 2) ? "8x16" : "8x8", |
| pred8x8_modes[codec][pred_mode])) { |
| randomize_buffers(); |
| call_ref(src0, 24*SIZEOF_PIXEL); |
| call_new(src1, 24*SIZEOF_PIXEL); |
| if (memcmp(buf0, buf1, BUF_SIZE)) |
| fail(); |
| bench_new(src1, 24*SIZEOF_PIXEL); |
| } |
| } |
| } |
| |
| static void check_pred16x16(H264PredContext *h, uint8_t *buf0, uint8_t *buf1, |
| int codec, int chroma_format, int bit_depth) |
| { |
| if (chroma_format == 1) { |
| int pred_mode; |
| declare_func_emms(AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT, void, uint8_t *src, ptrdiff_t stride); |
| |
| for (pred_mode = 0; pred_mode < 9; pred_mode++) { |
| if (check_pred_func(h->pred16x16[pred_mode], "16x16", pred16x16_modes[codec][pred_mode])) { |
| randomize_buffers(); |
| call_ref(src0, 48); |
| call_new(src1, 48); |
| if (memcmp(buf0, buf1, BUF_SIZE)) |
| fail(); |
| bench_new(src1, 48); |
| } |
| } |
| } |
| } |
| |
| static void check_pred8x8l(H264PredContext *h, uint8_t *buf0, uint8_t *buf1, |
| int codec, int chroma_format, int bit_depth) |
| { |
| if (chroma_format == 1 && codec_ids[codec] == AV_CODEC_ID_H264) { |
| int pred_mode; |
| declare_func_emms(AV_CPU_FLAG_MMXEXT, void, uint8_t *src, int topleft, int topright, ptrdiff_t stride); |
| |
| for (pred_mode = 0; pred_mode < 12; pred_mode++) { |
| if (check_pred_func(h->pred8x8l[pred_mode], "8x8l", pred4x4_modes[codec][pred_mode])) { |
| int neighbors; |
| for (neighbors = 0; neighbors <= 0xc000; neighbors += 0x4000) { |
| int has_topleft = neighbors & 0x8000; |
| int has_topright = neighbors & 0x4000; |
| |
| if ((pred_mode == DIAG_DOWN_RIGHT_PRED || pred_mode == VERT_RIGHT_PRED) && !has_topleft) |
| continue; /* Those aren't allowed according to the spec */ |
| |
| randomize_buffers(); |
| call_ref(src0, has_topleft, has_topright, 24*SIZEOF_PIXEL); |
| call_new(src1, has_topleft, has_topright, 24*SIZEOF_PIXEL); |
| if (memcmp(buf0, buf1, BUF_SIZE)) |
| fail(); |
| bench_new(src1, has_topleft, has_topright, 24*SIZEOF_PIXEL); |
| } |
| } |
| } |
| } |
| } |
| |
| /* TODO: Add tests for H.264 lossless H/V prediction */ |
| |
| void checkasm_check_h264pred(void) |
| { |
| static const struct { |
| void (*func)(H264PredContext*, uint8_t*, uint8_t*, int, int, int); |
| const char *name; |
| } tests[] = { |
| { check_pred4x4, "pred4x4" }, |
| { check_pred8x8, "pred8x8" }, |
| { check_pred16x16, "pred16x16" }, |
| { check_pred8x8l, "pred8x8l" }, |
| }; |
| |
| LOCAL_ALIGNED_16(uint8_t, buf0, [BUF_SIZE]); |
| LOCAL_ALIGNED_16(uint8_t, buf1, [BUF_SIZE]); |
| H264PredContext h; |
| int test, codec, chroma_format, bit_depth; |
| |
| for (test = 0; test < FF_ARRAY_ELEMS(tests); test++) { |
| for (codec = 0; codec < 4; codec++) { |
| int codec_id = codec_ids[codec]; |
| for (bit_depth = 8; bit_depth <= (codec_id == AV_CODEC_ID_H264 ? 10 : 8); bit_depth++) |
| for (chroma_format = 1; chroma_format <= (codec_id == AV_CODEC_ID_H264 ? 2 : 1); chroma_format++) { |
| ff_h264_pred_init(&h, codec_id, bit_depth, chroma_format); |
| tests[test].func(&h, buf0, buf1, codec, chroma_format, bit_depth); |
| } |
| } |
| report("%s", tests[test].name); |
| } |
| } |
