diff options
Diffstat (limited to 'chromium/third_party/ffmpeg/libavcodec/aarch64/opus_imdct_init.c')
-rw-r--r-- | chromium/third_party/ffmpeg/libavcodec/aarch64/opus_imdct_init.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/chromium/third_party/ffmpeg/libavcodec/aarch64/opus_imdct_init.c b/chromium/third_party/ffmpeg/libavcodec/aarch64/opus_imdct_init.c new file mode 100644 index 00000000000..3fa9a11b2f1 --- /dev/null +++ b/chromium/third_party/ffmpeg/libavcodec/aarch64/opus_imdct_init.c @@ -0,0 +1,45 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser 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 <stddef.h> + +#include "libavutil/cpu.h" +#include "libavutil/aarch64/cpu.h" +#include "libavutil/internal.h" +#include "libavcodec/opus_imdct.h" + +#include "asm-offsets.h" + +AV_CHECK_OFFSET(CeltIMDCTContext, exptab, CELT_EXPTAB); +AV_CHECK_OFFSET(CeltIMDCTContext, fft_n, CELT_FFT_N); +AV_CHECK_OFFSET(CeltIMDCTContext, len2, CELT_LEN2); +AV_CHECK_OFFSET(CeltIMDCTContext, len4, CELT_LEN4); +AV_CHECK_OFFSET(CeltIMDCTContext, tmp, CELT_TMP); +AV_CHECK_OFFSET(CeltIMDCTContext, twiddle_exptab, CELT_TWIDDLE); + +void ff_celt_imdct_half_neon(CeltIMDCTContext *s, float *dst, const float *src, + ptrdiff_t stride, float scale); + +void ff_celt_imdct_init_aarch64(CeltIMDCTContext *s) +{ + int cpu_flags = av_get_cpu_flags(); + + if (have_neon(cpu_flags)) { + s->imdct_half = ff_celt_imdct_half_neon; + } +} |