/* * Copyright (c) 2015 James Almer * * 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 #include "checkasm.h" #include "libavcodec/flacdsp.h" #include "libavcodec/mathops.h" #include "libavutil/common.h" #include "libavutil/internal.h" #include "libavutil/intreadwrite.h" #include "libavutil/mem_internal.h" #define BUF_SIZE 256 #define MAX_CHANNELS 8 #define randomize_buffers() \ do { \ int i, j; \ for (i = 0; i < BUF_SIZE; i += 4) { \ for (j = 0; j < channels; j++) { \ uint32_t r = rnd() & (1 << (bits - 2)) - 1; \ AV_WN32A(ref_src[j] + i, r); \ AV_WN32A(new_src[j] + i, r); \ } \ } \ } while (0) static void check_decorrelate(uint8_t **ref_dst, uint8_t **ref_src, uint8_t **new_dst, uint8_t **new_src, int channels, int bits) { declare_func(void, uint8_t **out, int32_t **in, int channels, int len, int shift); randomize_buffers(); call_ref(ref_dst, (int32_t **)ref_src, channels, BUF_SIZE / sizeof(int32_t), 8); call_new(new_dst, (int32_t **)new_src, channels, BUF_SIZE / sizeof(int32_t), 8); if (memcmp(*ref_dst, *new_dst, bits == 16 ? BUF_SIZE * (channels/2) : BUF_SIZE * channels) || memcmp(*ref_src, *new_src, BUF_SIZE * channels)) fail(); bench_new(new_dst, (int32_t **)new_src, channels, BUF_SIZE / sizeof(int32_t), 8); } static void check_lpc(int pred_order, int bps) { int qlevel = rnd() % 16; int coeff_prec = (rnd() % 15) + 1; LOCAL_ALIGNED_16(int32_t, coeffs, [32]); LOCAL_ALIGNED_16(int32_t, dst, [BUF_SIZE]); LOCAL_ALIGNED_16(int32_t, dst0, [BUF_SIZE]); LOCAL_ALIGNED_16(int32_t, dst1, [BUF_SIZE]); declare_func(void, int32_t *, const int[32], int, int, int); if (bps <= 16) coeff_prec = av_clip(coeff_prec, 0, 32 - bps - av_log2(pred_order)); for (int i = 0; i < 32; i++) coeffs[i] = sign_extend(rnd(), coeff_prec); for (int i = 0; i < BUF_SIZE; i++) dst[i] = sign_extend(rnd(), bps); memcpy(dst0, dst, BUF_SIZE * sizeof (int32_t)); memcpy(dst1, dst, BUF_SIZE * sizeof (int32_t)); call_ref(dst0, coeffs, pred_order, qlevel, BUF_SIZE); call_new(dst1, coeffs, pred_order, qlevel, BUF_SIZE); if (memcmp(dst0, dst1, BUF_SIZE * sizeof (int32_t)) != 0) fail(); bench_new(dst, coeffs, pred_order, qlevel, BUF_SIZE); } static void check_wasted32(void) { int wasted = rnd() % 32; LOCAL_ALIGNED_16(int32_t, dst, [BUF_SIZE]); LOCAL_ALIGNED_16(int32_t, dst0, [BUF_SIZE]); LOCAL_ALIGNED_16(int32_t, dst1, [BUF_SIZE]); declare_func(void, int32_t *, int, int); for (int i = 0; i < BUF_SIZE; i++) dst[i] = rnd(); memcpy(dst0, dst, BUF_SIZE * sizeof (int32_t)); memcpy(dst1, dst, BUF_SIZE * sizeof (int32_t)); call_ref(dst0, wasted, BUF_SIZE); call_new(dst1, wasted, BUF_SIZE); if (memcmp(dst0, dst1, BUF_SIZE * sizeof (int32_t)) != 0) fail(); bench_new(dst, wasted, BUF_SIZE); } static void check_wasted33(void) { int wasted = rnd() % 33; LOCAL_ALIGNED_16(int64_t, dst0, [BUF_SIZE]); LOCAL_ALIGNED_16(int64_t, dst1, [BUF_SIZE]); LOCAL_ALIGNED_16(int32_t, residuals, [BUF_SIZE]); declare_func(void, int64_t *, const int32_t *, int, int); for (int i = 0; i < BUF_SIZE; i++) residuals[i] = rnd(); call_ref(dst0, residuals, wasted, BUF_SIZE); call_new(dst1, residuals, wasted, BUF_SIZE); if (memcmp(dst0, dst1, BUF_SIZE * sizeof (int64_t)) != 0) fail(); bench_new(dst0, residuals, wasted, BUF_SIZE); } void checkasm_check_flacdsp(void) { LOCAL_ALIGNED_16(uint8_t, ref_dst, [BUF_SIZE*MAX_CHANNELS]); LOCAL_ALIGNED_16(uint8_t, ref_buf, [BUF_SIZE*MAX_CHANNELS]); LOCAL_ALIGNED_16(uint8_t, new_dst, [BUF_SIZE*MAX_CHANNELS]); LOCAL_ALIGNED_16(uint8_t, new_buf, [BUF_SIZE*MAX_CHANNELS]); uint8_t *ref_src[] = { &ref_buf[BUF_SIZE*0], &ref_buf[BUF_SIZE*1], &ref_buf[BUF_SIZE*2], &ref_buf[BUF_SIZE*3], &ref_buf[BUF_SIZE*4], &ref_buf[BUF_SIZE*5], &ref_buf[BUF_SIZE*6], &ref_buf[BUF_SIZE*7] }; uint8_t *new_src[] = { &new_buf[BUF_SIZE*0], &new_buf[BUF_SIZE*1], &new_buf[BUF_SIZE*2], &new_buf[BUF_SIZE*3], &new_buf[BUF_SIZE*4], &new_buf[BUF_SIZE*5], &new_buf[BUF_SIZE*6], &new_buf[BUF_SIZE*7] }; static const char * const names[3] = { "ls", "rs", "ms" }; static const struct { enum AVSampleFormat fmt; int bits; } fmts[] = { { AV_SAMPLE_FMT_S16, 16 }, { AV_SAMPLE_FMT_S32, 32 }, }; static const signed char pred_orders[] = { 13, 16, 29, 32 }; FLACDSPContext h; int i, j; for (i = 0; i < 2; i++) { ff_flacdsp_init(&h, fmts[i].fmt, 2); for (j = 0; j < 3; j++) if (check_func(h.decorrelate[j + 1], "flac_decorrelate_%s_%d", names[j], fmts[i].bits)) check_decorrelate(&ref_dst, ref_src, &new_dst, new_src, 2, fmts[i].bits); for (j = 2; j <= MAX_CHANNELS; j += 2) { ff_flacdsp_init(&h, fmts[i].fmt, j); if (check_func(h.decorrelate[0], "flac_decorrelate_indep%d_%d", j, fmts[i].bits)) check_decorrelate(&ref_dst, ref_src, &new_dst, new_src, j, fmts[i].bits); } } report("decorrelate"); for (i = 0; i < FF_ARRAY_ELEMS(pred_orders); i++) if (check_func(h.lpc16, "flac_lpc_16_%d", pred_orders[i])) check_lpc(pred_orders[i], 16); for (i = 0; i < FF_ARRAY_ELEMS(pred_orders); i++) if (check_func(h.lpc32, "flac_lpc_32_%d", pred_orders[i])) check_lpc(pred_orders[i], 32); report("lpc"); if (check_func(h.wasted32, "flac_wasted_32")) check_wasted32(); if (check_func(h.wasted33, "flac_wasted_33")) check_wasted33(); report("wasted"); }