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| 1 /* | 1 /* |
| 2 * (c) 2002 Fabrice Bellard | 2 * (c) 2002 Fabrice Bellard |
| 3 * | 3 * |
| 4 * This file is part of FFmpeg. | 4 * This file is part of FFmpeg. |
| 5 * | 5 * |
| 6 * FFmpeg is free software; you can redistribute it and/or | 6 * FFmpeg is free software; you can redistribute it and/or |
| 7 * modify it under the terms of the GNU Lesser General Public | 7 * modify it under the terms of the GNU Lesser General Public |
| 8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
| 9 * version 2.1 of the License, or (at your option) any later version. | 9 * version 2.1 of the License, or (at your option) any later version. |
| 10 * | 10 * |
| 11 * FFmpeg is distributed in the hope that it will be useful, | 11 * FFmpeg is distributed in the hope that it will be useful, |
| 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 * Lesser General Public License for more details. | 14 * Lesser General Public License for more details. |
| 15 * | 15 * |
| 16 * You should have received a copy of the GNU Lesser General Public | 16 * You should have received a copy of the GNU Lesser General Public |
| 17 * License along with FFmpeg; if not, write to the Free Software | 17 * License along with FFmpeg; if not, write to the Free Software |
| 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 */ | 19 */ |
| 20 | 20 |
| 21 /** | 21 /** |
| 22 * @file libavcodec/fft-test.c | 22 * @file libavcodec/fft-test.c |
| 23 * FFT and MDCT tests. | 23 * FFT and MDCT tests. |
| 24 */ | 24 */ |
| 25 | 25 |
| 26 #include "libavutil/mathematics.h" |
| 26 #include "libavutil/lfg.h" | 27 #include "libavutil/lfg.h" |
| 27 #include "dsputil.h" | 28 #include "libavutil/log.h" |
| 29 #include "fft.h" |
| 28 #include <math.h> | 30 #include <math.h> |
| 29 #include <unistd.h> | 31 #include <unistd.h> |
| 30 #include <sys/time.h> | 32 #include <sys/time.h> |
| 31 #include <stdlib.h> | 33 #include <stdlib.h> |
| 32 #include <string.h> | 34 #include <string.h> |
| 33 | 35 |
| 34 #undef exit | 36 #undef exit |
| 35 | 37 |
| 36 /* reference fft */ | 38 /* reference fft */ |
| 37 | 39 |
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| 283 case TRANSFORM_FFT: | 285 case TRANSFORM_FFT: |
| 284 if (do_inverse) | 286 if (do_inverse) |
| 285 av_log(NULL, AV_LOG_INFO,"IFFT"); | 287 av_log(NULL, AV_LOG_INFO,"IFFT"); |
| 286 else | 288 else |
| 287 av_log(NULL, AV_LOG_INFO,"FFT"); | 289 av_log(NULL, AV_LOG_INFO,"FFT"); |
| 288 ff_fft_init(s, fft_nbits, do_inverse); | 290 ff_fft_init(s, fft_nbits, do_inverse); |
| 289 fft_ref_init(fft_nbits, do_inverse); | 291 fft_ref_init(fft_nbits, do_inverse); |
| 290 break; | 292 break; |
| 291 case TRANSFORM_RDFT: | 293 case TRANSFORM_RDFT: |
| 292 if (do_inverse) | 294 if (do_inverse) |
| 293 av_log(NULL, AV_LOG_INFO,"IRDFT"); | 295 av_log(NULL, AV_LOG_INFO,"IDFT_C2R"); |
| 294 else | 296 else |
| 295 av_log(NULL, AV_LOG_INFO,"RDFT"); | 297 av_log(NULL, AV_LOG_INFO,"DFT_R2C"); |
| 296 ff_rdft_init(r, fft_nbits, do_inverse ? IRDFT : RDFT); | 298 ff_rdft_init(r, fft_nbits, do_inverse ? IDFT_C2R : DFT_R2C); |
| 297 fft_ref_init(fft_nbits, do_inverse); | 299 fft_ref_init(fft_nbits, do_inverse); |
| 298 break; | 300 break; |
| 299 case TRANSFORM_DCT: | 301 case TRANSFORM_DCT: |
| 300 if (do_inverse) | 302 if (do_inverse) |
| 301 av_log(NULL, AV_LOG_INFO,"IDCT"); | 303 av_log(NULL, AV_LOG_INFO,"IDCT"); |
| 302 else | 304 else |
| 303 av_log(NULL, AV_LOG_INFO,"DCT"); | 305 av_log(NULL, AV_LOG_INFO,"DCT"); |
| 304 ff_dct_init(d, fft_nbits, do_inverse); | 306 ff_dct_init(d, fft_nbits, do_inverse); |
| 305 break; | 307 break; |
| 306 } | 308 } |
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| 434 break; | 436 break; |
| 435 case TRANSFORM_RDFT: | 437 case TRANSFORM_RDFT: |
| 436 ff_rdft_end(r); | 438 ff_rdft_end(r); |
| 437 break; | 439 break; |
| 438 case TRANSFORM_DCT: | 440 case TRANSFORM_DCT: |
| 439 ff_dct_end(d); | 441 ff_dct_end(d); |
| 440 break; | 442 break; |
| 441 } | 443 } |
| 442 return 0; | 444 return 0; |
| 443 } | 445 } |
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