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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-28 20:53:54 +02:00
FFmpeg/libavcodec/loongarch/h264_intrapred_init_loongarch.c
Hao Chen df46d7cb49 avcodec: [loongarch] Optimize pred16x16_plane with LASX.
./ffmpeg -i ../1_h264_1080p_30fps_3Mbps.mp4 -f rawvideo -y /dev/null -an
before:295
after :296

Change-Id: I281bc739f708d45f91fc3860150944c0b8a6a5ba
Reviewed-by: Shiyou Yin <yinshiyou-hf@loongson.cn>
Reviewed-by: guxiwei <guxiwei-hf@loongson.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-12-15 18:37:40 +01:00

51 lines
1.9 KiB
C

/*
* Copyright (c) 2021 Loongson Technology Corporation Limited
* Contributed by Hao Chen <chenhao@loongson.cn>
*
* 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 "libavutil/loongarch/cpu.h"
#include "libavcodec/h264pred.h"
#include "h264_intrapred_lasx.h"
av_cold void ff_h264_pred_init_loongarch(H264PredContext *h, int codec_id,
const int bit_depth,
const int chroma_format_idc)
{
int cpu_flags = av_get_cpu_flags();
if (bit_depth == 8) {
if (have_lasx(cpu_flags)) {
if (chroma_format_idc <= 1) {
}
if (codec_id == AV_CODEC_ID_VP7 || codec_id == AV_CODEC_ID_VP8) {
} else {
if (chroma_format_idc <= 1) {
}
if (codec_id == AV_CODEC_ID_SVQ3) {
h->pred16x16[PLANE_PRED8x8] = ff_h264_pred16x16_plane_svq3_8_lasx;
} else if (codec_id == AV_CODEC_ID_RV40) {
h->pred16x16[PLANE_PRED8x8] = ff_h264_pred16x16_plane_rv40_8_lasx;
} else {
h->pred16x16[PLANE_PRED8x8] = ff_h264_pred16x16_plane_h264_8_lasx;
}
}
}
}
}