FFmpeg
libavcodec
loongarch
h264_intrapred_init_loongarch.c
Go to the documentation of this file.
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/*
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* Copyright (c) 2021 Loongson Technology Corporation Limited
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* Contributed by Hao Chen <chenhao@loongson.cn>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "
libavutil/loongarch/cpu.h
"
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#include "
libavcodec/h264pred.h
"
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#include "
h264_intrapred_loongarch.h
"
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av_cold
void
ff_h264_pred_init_loongarch
(
H264PredContext
*
h
,
int
codec_id
,
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const
int
bit_depth
,
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const
int
chroma_format_idc)
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{
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int
cpu_flags
=
av_get_cpu_flags
();
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if
(
bit_depth
== 8) {
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if
(
have_lsx
(
cpu_flags
)) {
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if
(chroma_format_idc <= 1) {
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}
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if
(
codec_id
==
AV_CODEC_ID_VP7
||
codec_id
==
AV_CODEC_ID_VP8
) {
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}
else
{
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if
(chroma_format_idc <= 1) {
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}
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if
(
codec_id
==
AV_CODEC_ID_SVQ3
) {
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h
->pred16x16[
PLANE_PRED8x8
] =
ff_h264_pred16x16_plane_svq3_8_lsx
;
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}
else
if
(
codec_id
==
AV_CODEC_ID_RV40
) {
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h
->pred16x16[
PLANE_PRED8x8
] =
ff_h264_pred16x16_plane_rv40_8_lsx
;
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}
else
{
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h
->pred16x16[
PLANE_PRED8x8
] =
ff_h264_pred16x16_plane_h264_8_lsx
;
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}
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}
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}
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if
(
have_lasx
(
cpu_flags
)) {
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if
(chroma_format_idc <= 1) {
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}
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if
(
codec_id
==
AV_CODEC_ID_VP7
||
codec_id
==
AV_CODEC_ID_VP8
) {
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}
else
{
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if
(chroma_format_idc <= 1) {
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}
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if
(
codec_id
==
AV_CODEC_ID_SVQ3
) {
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h
->pred16x16[
PLANE_PRED8x8
] =
ff_h264_pred16x16_plane_svq3_8_lasx
;
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}
else
if
(
codec_id
==
AV_CODEC_ID_RV40
) {
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h
->pred16x16[
PLANE_PRED8x8
] =
ff_h264_pred16x16_plane_rv40_8_lasx
;
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}
else
{
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h
->pred16x16[
PLANE_PRED8x8
] =
ff_h264_pred16x16_plane_h264_8_lasx
;
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}
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}
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}
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}
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}
ff_h264_pred16x16_plane_svq3_8_lasx
void ff_h264_pred16x16_plane_svq3_8_lasx(uint8_t *src, ptrdiff_t stride)
have_lasx
#define have_lasx(flags)
Definition:
cpu.h:29
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition:
cpu.c:107
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
ff_h264_pred16x16_plane_rv40_8_lasx
void ff_h264_pred16x16_plane_rv40_8_lasx(uint8_t *src, ptrdiff_t stride)
av_cold
#define av_cold
Definition:
attributes.h:90
codec_id
enum AVCodecID codec_id
Definition:
vaapi_decode.c:410
AV_CODEC_ID_SVQ3
@ AV_CODEC_ID_SVQ3
Definition:
codec_id.h:75
have_lsx
#define have_lsx(flags)
Definition:
cpu.h:28
PLANE_PRED8x8
#define PLANE_PRED8x8
Definition:
h264pred.h:71
AV_CODEC_ID_VP7
@ AV_CODEC_ID_VP7
Definition:
codec_id.h:235
AV_CODEC_ID_RV40
@ AV_CODEC_ID_RV40
Definition:
codec_id.h:121
ff_h264_pred16x16_plane_svq3_8_lsx
void ff_h264_pred16x16_plane_svq3_8_lsx(uint8_t *src, ptrdiff_t stride)
h264pred.h
ff_h264_pred16x16_plane_h264_8_lasx
void ff_h264_pred16x16_plane_h264_8_lasx(uint8_t *src, ptrdiff_t stride)
H264PredContext
Context for storing H.264 prediction functions.
Definition:
h264pred.h:94
ff_h264_pred16x16_plane_h264_8_lsx
void ff_h264_pred16x16_plane_h264_8_lsx(uint8_t *src, ptrdiff_t stride)
ff_h264_pred16x16_plane_rv40_8_lsx
void ff_h264_pred16x16_plane_rv40_8_lsx(uint8_t *src, ptrdiff_t stride)
AV_CODEC_ID_VP8
@ AV_CODEC_ID_VP8
Definition:
codec_id.h:192
h
h
Definition:
vp9dsp_template.c:2070
ff_h264_pred_init_loongarch
av_cold void ff_h264_pred_init_loongarch(H264PredContext *h, int codec_id, const int bit_depth, const int chroma_format_idc)
Definition:
h264_intrapred_init_loongarch.c:26
cpu.h
h264_intrapred_loongarch.h
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