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For #1685: Cross build RTC with FFmpeg

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winlin 2021-06-19 21:55:12 +08:00
parent 1c75a270b3
commit 1e9de0e191
267 changed files with 12603 additions and 1451 deletions
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8
trunk/3rdparty/ffmpeg-4-fit/libswresample/arm/arm/Makefile vendored Normal file
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OBJS += arm/audio_convert_init.o \
arm/resample_init.o
OBJS-$(CONFIG_NEON_CLOBBER_TEST) += arm/neontest.o
NEON-OBJS += arm/audio_convert_neon.o \
arm/resample.o

67
trunk/3rdparty/ffmpeg-4-fit/libswresample/arm/arm/audio_convert_init.c vendored Normal file
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/*
* This file is part of libswresample.
*
* libswresample 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.
*
* libswresample 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 libswresample; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/arm/cpu.h"
#include "libavutil/samplefmt.h"
#include "libswresample/swresample_internal.h"
#include "libswresample/audioconvert.h"
void swri_oldapi_conv_flt_to_s16_neon(int16_t *dst, const float *src, int len);
void swri_oldapi_conv_fltp_to_s16_2ch_neon(int16_t *dst, float *const *src, int len, int channels);
void swri_oldapi_conv_fltp_to_s16_nch_neon(int16_t *dst, float *const *src, int len, int channels);
static void conv_flt_to_s16_neon(uint8_t **dst, const uint8_t **src, int len){
swri_oldapi_conv_flt_to_s16_neon((int16_t*)*dst, (const float*)*src, len);
}
static void conv_fltp_to_s16_2ch_neon(uint8_t **dst, const uint8_t **src, int len){
swri_oldapi_conv_fltp_to_s16_2ch_neon((int16_t*)*dst, (float *const*)src, len, 2);
}
static void conv_fltp_to_s16_nch_neon(uint8_t **dst, const uint8_t **src, int len){
int channels;
for(channels=3; channels<SWR_CH_MAX && src[channels]; channels++)
;
swri_oldapi_conv_fltp_to_s16_nch_neon((int16_t*)*dst, (float *const*)src, len, channels);
}
av_cold void swri_audio_convert_init_arm(struct AudioConvert *ac,
enum AVSampleFormat out_fmt,
enum AVSampleFormat in_fmt,
int channels)
{
int cpu_flags = av_get_cpu_flags();
ac->simd_f= NULL;
if (have_neon(cpu_flags)) {
if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_FLTP)
ac->simd_f = conv_flt_to_s16_neon;
if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP && channels == 2)
ac->simd_f = conv_fltp_to_s16_2ch_neon;
if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP && channels > 2)
ac->simd_f = conv_fltp_to_s16_nch_neon;
if(ac->simd_f)
ac->in_simd_align_mask = ac->out_simd_align_mask = 15;
}
}

29
trunk/3rdparty/ffmpeg-4-fit/libswresample/arm/arm/neontest.c vendored Normal file
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/*
* check NEON registers for clobbers
* Copyright (c) 2013 Martin Storsjo
*
* 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 "libswresample/swresample.h"
#include "libavutil/arm/neontest.h"
wrap(swr_convert(struct SwrContext *s, uint8_t **out, int out_count,
const uint8_t **in , int in_count))
{
testneonclobbers(swr_convert, s, out, out_count, in, in_count);
}

120
trunk/3rdparty/ffmpeg-4-fit/libswresample/arm/arm/resample_init.c vendored Normal file
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/*
* Audio resampling
*
* Copyright (c) 2004-2012 Michael Niedermayer <michaelni@gmx.at>
*
* 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 "config.h"
#include "libavutil/cpu.h"
#include "libavutil/avassert.h"
#include "libavutil/arm/cpu.h"
#include "libswresample/resample.h"
#define DECLARE_RESAMPLE_COMMON_TEMPLATE(TYPE, DELEM, FELEM, FELEM2, OUT) \
\
void ff_resample_common_apply_filter_x4_##TYPE##_neon(FELEM2 *acc, const DELEM *src, \
const FELEM *filter, int length); \
\
void ff_resample_common_apply_filter_x8_##TYPE##_neon(FELEM2 *acc, const DELEM *src, \
const FELEM *filter, int length); \
\
static int ff_resample_common_##TYPE##_neon(ResampleContext *c, void *dest, const void *source, \
int n, int update_ctx) \
{ \
DELEM *dst = dest; \
const DELEM *src = source; \
int dst_index; \
int index = c->index; \
int frac = c->frac; \
int sample_index = 0; \
int x4_aligned_filter_length = c->filter_length & ~3; \
int x8_aligned_filter_length = c->filter_length & ~7; \
\
while (index >= c->phase_count) { \
sample_index++; \
index -= c->phase_count; \
} \
\
for (dst_index = 0; dst_index < n; dst_index++) { \
FELEM *filter = ((FELEM *) c->filter_bank) + c->filter_alloc * index; \
\
FELEM2 val = 0; \
int i = 0; \
if (x8_aligned_filter_length >= 8) { \
ff_resample_common_apply_filter_x8_##TYPE##_neon(&val, &src[sample_index], \
filter, x8_aligned_filter_length); \
i += x8_aligned_filter_length; \
\
} else if (x4_aligned_filter_length >= 4) { \
ff_resample_common_apply_filter_x4_##TYPE##_neon(&val, &src[sample_index], \
filter, x4_aligned_filter_length); \
i += x4_aligned_filter_length; \
} \
for (; i < c->filter_length; i++) { \
val += src[sample_index + i] * (FELEM2)filter[i]; \
} \
OUT(dst[dst_index], val); \
\
frac += c->dst_incr_mod; \
index += c->dst_incr_div; \
if (frac >= c->src_incr) { \
frac -= c->src_incr; \
index++; \
} \
\
while (index >= c->phase_count) { \
sample_index++; \
index -= c->phase_count; \
} \
} \
\
if (update_ctx) { \
c->frac = frac; \
c->index = index; \
} \
\
return sample_index; \
} \
#define OUT(d, v) d = v
DECLARE_RESAMPLE_COMMON_TEMPLATE(float, float, float, float, OUT)
#undef OUT
#define OUT(d, v) (v) = ((v) + (1<<(14)))>>15; (d) = av_clip_int16(v)
DECLARE_RESAMPLE_COMMON_TEMPLATE(s16, int16_t, int16_t, int32_t, OUT)
#undef OUT
av_cold void swri_resample_dsp_arm_init(ResampleContext *c)
{
int cpu_flags = av_get_cpu_flags();
if (!have_neon(cpu_flags))
return;
switch(c->format) {
case AV_SAMPLE_FMT_FLTP:
c->dsp.resample_common = ff_resample_common_float_neon;
break;
case AV_SAMPLE_FMT_S16P:
c->dsp.resample_common = ff_resample_common_s16_neon;
break;
}
}