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apv_dsp_init.c
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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 "config.h"
20 #include "libavutil/attributes.h"
21 #include "libavutil/cpu.h"
22 #include "libavutil/x86/asm.h"
23 #include "libavutil/x86/cpu.h"
24 #include "libavcodec/apv_dsp.h"
25 
26 #if ARCH_X86_64
27 
28 void ff_apv_decode_transquant_avx2(void *output,
29  ptrdiff_t pitch,
30  const int16_t *input,
31  const int16_t *qmatrix,
32  int bit_depth,
33  int qp_shift);
34 
36 {
38 
40  dsp->decode_transquant = ff_apv_decode_transquant_avx2;
41  }
42 }
43 
44 #endif /* ARCH_X86_64 */
cpu.h
output
filter_frame For filters that do not use the this method is called when a frame is pushed to the filter s input It can be called at any time except in a reentrant way If the input frame is enough to produce output
Definition: filter_design.txt:225
EXTERNAL_AVX2_FAST
#define EXTERNAL_AVX2_FAST(flags)
Definition: cpu.h:79
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:109
bit_depth
static void bit_depth(AudioStatsContext *s, const uint64_t *const mask, uint8_t *depth)
Definition: af_astats.c:246
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:56
APVDSPContext
Definition: apv_dsp.h:26
av_cold
#define av_cold
Definition: attributes.h:90
apv_dsp.h
asm.h
cpu.h
attributes.h
input
and forward the test the status of outputs and forward it to the corresponding return FFERROR_NOT_READY If the filters stores internally one or a few frame for some input
Definition: filter_design.txt:172
ff_apv_dsp_init_x86_64
void ff_apv_dsp_init_x86_64(APVDSPContext *dsp)
APVDSPContext::decode_transquant
void(* decode_transquant)(void *output, ptrdiff_t pitch, const int16_t *input, const int16_t *qmatrix, int bit_depth, int qp_shift)
Definition: apv_dsp.h:27