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author | Michael Niedermayer <michaelni@gmx.at> | 2011-10-01 02:54:46 +0200 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2011-10-01 02:54:46 +0200 |
commit | ef74ab20c255abf49b856c15f812cc9ea3fec061 (patch) | |
tree | 8d80c8ff7272908dede2ef2d90b4bac460f3748d /libavcodec/arm | |
parent | 5ca5d432e028ffdd4067b87aed6702168c3207b6 (diff) | |
parent | 08bd22a61b820160bff5f98cd51d2e0135d02e00 (diff) | |
download | ffmpeg-ef74ab20c255abf49b856c15f812cc9ea3fec061.tar.gz |
Merge remote-tracking branch 'qatar/master'
* qatar/master: (34 commits)
dpcm: return error if packet is too small
dpcm: use smaller data types for static tables
dpcm: use sol_table_16 directly instead of through the DPCMContext.
dpcm: replace short with int16_t
dpcm: check to make sure channels is 1 or 2.
dpcm: misc pretty-printing
dpcm: remove unnecessary variable by using bytestream functions.
dpcm: move codec-specific variable declarations to their corresponding decoding blocks.
dpcm: consistently use the variable name 'n' for the next input byte.
dpcm: output AV_SAMPLE_FMT_U8 for Sol DPCM subcodecs 1 and 2.
dpcm: calculate and check actual output data size prior to decoding.
dpcm: factor out the stereo flag calculation
dpcm: cosmetics: rename channel_number to ch
avserver: Fix a bug where the socket is IPv4, but IPv6 is autoselected for the loopback address.
lavf: Avoid using av_malloc(0) in av_dump_format
dxva2_h264: pass the correct 8x8 scaling lists
dca: NEON optimised high freq VQ decoding
avcodec: reject audio packets with NULL data and non-zero size
dxva: Add ability to enable workaround for older ATI cards
latmenc: Set latmBufferFullness to largest value to indicate it is not used
...
Conflicts:
libavcodec/dxva2_h264.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/arm')
-rw-r--r-- | libavcodec/arm/dca.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/libavcodec/arm/dca.h b/libavcodec/arm/dca.h new file mode 100644 index 0000000000..c4c024a36a --- /dev/null +++ b/libavcodec/arm/dca.h @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2011 Mans Rullgard <mans@mansr.com> + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCODEC_ARM_DCA_H +#define AVCODEC_ARM_DCA_H + +#include <stdint.h> +#include "config.h" + +#if HAVE_NEON && HAVE_INLINE_ASM + +#define int8x8_fmul_int32 int8x8_fmul_int32 +static inline void int8x8_fmul_int32(float *dst, const int8_t *src, int scale) +{ + __asm__ ("vcvt.f32.s32 %2, %2, #4 \n" + "vld1.8 {d0}, [%1,:64] \n" + "vmovl.s8 q0, d0 \n" + "vmovl.s16 q1, d1 \n" + "vmovl.s16 q0, d0 \n" + "vcvt.f32.s32 q0, q0 \n" + "vcvt.f32.s32 q1, q1 \n" + "vmul.f32 q0, q0, %y2 \n" + "vmul.f32 q1, q1, %y2 \n" + "vst1.32 {q0-q1}, [%m0,:128] \n" + : "=Um"(*(float (*)[8])dst) + : "r"(src), "x"(scale) + : "d0", "d1", "d2", "d3"); +} + +#endif + +#endif /* AVCODEC_ARM_DCA_H */ |