| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * This file is part of FFmpeg. | ||
| 3 | * | ||
| 4 | * FFmpeg is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU Lesser General Public | ||
| 6 | * License as published by the Free Software Foundation; either | ||
| 7 | * version 2.1 of the License, or (at your option) any later version. | ||
| 8 | * | ||
| 9 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 12 | * Lesser General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU Lesser General Public | ||
| 15 | * License along with FFmpeg; if not, write to the Free Software | ||
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 17 | */ | ||
| 18 | |||
| 19 | #include "libavutil/attributes.h" | ||
| 20 | #include "libavutil/x86/cpu.h" | ||
| 21 | #include "libavcodec/alacdsp.h" | ||
| 22 | |||
| 23 | void ff_alac_decorrelate_stereo_sse4(int32_t *buffer[2], int nb_samples, | ||
| 24 | int decorr_shift, int decorr_left_weight); | ||
| 25 | void ff_alac_append_extra_bits_stereo_sse2(int32_t *buffer[2], int32_t *extra_bits_buffer[2], | ||
| 26 | int extra_bits, int channels, int nb_samples); | ||
| 27 | void ff_alac_append_extra_bits_mono_sse2(int32_t *buffer[2], int32_t *extra_bits_buffer[2], | ||
| 28 | int extra_bits, int channels, int nb_samples); | ||
| 29 | |||
| 30 | 63 | av_cold void ff_alacdsp_init_x86(ALACDSPContext *c) | |
| 31 | { | ||
| 32 | 63 | int cpu_flags = av_get_cpu_flags(); | |
| 33 | |||
| 34 |
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63 | if (EXTERNAL_SSE2(cpu_flags)) { |
| 35 | 25 | c->append_extra_bits[0] = ff_alac_append_extra_bits_mono_sse2; | |
| 36 | 25 | c->append_extra_bits[1] = ff_alac_append_extra_bits_stereo_sse2; | |
| 37 | } | ||
| 38 |
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63 | if (EXTERNAL_SSE4(cpu_flags)) { |
| 39 | 19 | c->decorrelate_stereo = ff_alac_decorrelate_stereo_sse4; | |
| 40 | } | ||
| 41 | 63 | } | |
| 42 |