FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
idctdsp_init_mips.c
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2015 Manojkumar Bhosale (Manojkumar.Bhosale@imgtec.com)
3  * Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "idctdsp_mips.h"
23 
24 #if HAVE_MSA
25 static av_cold void idctdsp_init_msa(IDCTDSPContext *c, AVCodecContext *avctx,
26  unsigned high_bit_depth)
27 {
28  if ((avctx->lowres != 1) && (avctx->lowres != 2) && (avctx->lowres != 3) &&
29  (avctx->bits_per_raw_sample != 10) &&
30  (avctx->bits_per_raw_sample != 12) &&
31  (avctx->idct_algo == FF_IDCT_AUTO)) {
32  c->idct_put = ff_simple_idct_put_msa;
33  c->idct_add = ff_simple_idct_add_msa;
34  c->idct = ff_simple_idct_msa;
35  c->perm_type = FF_IDCT_PERM_NONE;
36  }
37 
38  c->put_pixels_clamped = ff_put_pixels_clamped_msa;
39  c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_msa;
40  c->add_pixels_clamped = ff_add_pixels_clamped_msa;
41 }
42 #endif // #if HAVE_MSA
43 
44 #if HAVE_MMI
45 static av_cold void idctdsp_init_mmi(IDCTDSPContext *c, AVCodecContext *avctx,
46  unsigned high_bit_depth)
47 {
48  if ((avctx->lowres != 1) && (avctx->lowres != 2) && (avctx->lowres != 3) &&
49  (avctx->bits_per_raw_sample != 10) &&
50  (avctx->bits_per_raw_sample != 12) &&
51  (avctx->idct_algo == FF_IDCT_AUTO)) {
52  c->idct = ff_simple_idct_mmi;
53  c->perm_type = FF_IDCT_PERM_NONE;
54  }
55 
56  c->put_pixels_clamped = ff_put_pixels_clamped_mmi;
57  c->add_pixels_clamped = ff_add_pixels_clamped_mmi;
58  c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_mmi;
59 }
60 #endif /* HAVE_MMI */
61 
62 av_cold void ff_idctdsp_init_mips(IDCTDSPContext *c, AVCodecContext *avctx,
63  unsigned high_bit_depth)
64 {
65 #if HAVE_MSA
66  idctdsp_init_msa(c, avctx, high_bit_depth);
67 #endif // #if HAVE_MSA
68 #if HAVE_MMI
69  idctdsp_init_mmi(c, avctx, high_bit_depth);
70 #endif /* HAVE_MMI */
71 }
ff_add_pixels_clamped_msa
void ff_add_pixels_clamped_msa(const int16_t *block, uint8_t *av_restrict pixels, ptrdiff_t line_size)
Definition: idctdsp_msa.c:144
AVCodecContext::bits_per_raw_sample
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition: avcodec.h:2741
ff_add_pixels_clamped_mmi
void ff_add_pixels_clamped_mmi(const int16_t *block, uint8_t *av_restrict pixels, ptrdiff_t line_size)
Definition: idctdsp_mmi.c:174
av_cold
#define av_cold
Definition: attributes.h:82
ff_simple_idct_msa
void ff_simple_idct_msa(int16_t *block)
Definition: simple_idct_msa.c:560
IDCTDSPContext::add_pixels_clamped
void(* add_pixels_clamped)(const int16_t *block, uint8_t *av_restrict pixels, ptrdiff_t line_size)
Definition: idctdsp.h:61
AVCodecContext::lowres
int lowres
low resolution decoding, 1-> 1/2 size, 2->1/4 size
Definition: avcodec.h:2749
FF_IDCT_AUTO
#define FF_IDCT_AUTO
Definition: avcodec.h:2714
IDCTDSPContext::put_pixels_clamped
void(* put_pixels_clamped)(const int16_t *block, uint8_t *av_restrict pixels, ptrdiff_t line_size)
Definition: idctdsp.h:55
ff_put_pixels_clamped_mmi
void ff_put_pixels_clamped_mmi(const int16_t *block, uint8_t *av_restrict pixels, ptrdiff_t line_size)
Definition: idctdsp_mmi.c:28
AVCodecContext::idct_algo
int idct_algo
IDCT algorithm, see FF_IDCT_* below.
Definition: avcodec.h:2713
ff_simple_idct_put_msa
void ff_simple_idct_put_msa(uint8_t *dest, ptrdiff_t stride_dst, int16_t *block)
Definition: simple_idct_msa.c:565
AVCodecContext
main external API structure.
Definition: avcodec.h:1518
ff_simple_idct_mmi
void ff_simple_idct_mmi(int16_t *block)
Definition: simple_idct_mmi.c:57
ff_put_signed_pixels_clamped_mmi
void ff_put_signed_pixels_clamped_mmi(const int16_t *block, uint8_t *av_restrict pixels, ptrdiff_t line_size)
Definition: idctdsp_mmi.c:104
ff_put_signed_pixels_clamped_msa
void ff_put_signed_pixels_clamped_msa(const int16_t *block, uint8_t *av_restrict pixels, ptrdiff_t line_size)
Definition: idctdsp_msa.c:137
idctdsp_mips.h
ff_put_pixels_clamped_msa
void ff_put_pixels_clamped_msa(const int16_t *block, uint8_t *av_restrict pixels, ptrdiff_t line_size)
Definition: idctdsp_msa.c:130
IDCTDSPContext::idct_add
void(* idct_add)(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
block -> idct -> add dest -> clip to unsigned 8 bit -> dest.
Definition: idctdsp.h:79
ff_simple_idct_add_msa
void ff_simple_idct_add_msa(uint8_t *dest, ptrdiff_t stride_dst, int16_t *block)
Definition: simple_idct_msa.c:570
IDCTDSPContext::put_signed_pixels_clamped
void(* put_signed_pixels_clamped)(const int16_t *block, uint8_t *av_restrict pixels, ptrdiff_t line_size)
Definition: idctdsp.h:58
IDCTDSPContext::idct_put
void(* idct_put)(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
block -> idct -> clip to unsigned 8 bit -> dest.
Definition: idctdsp.h:72
c
static double c[64]
Definition: vsrc_mptestsrc.c:87
ff_idctdsp_init_mips
av_cold void ff_idctdsp_init_mips(IDCTDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth)
Definition: idctdsp_init_mips.c:62
IDCTDSPContext::perm_type
enum idct_permutation_type perm_type
Definition: idctdsp.h:97
IDCTDSPContext::idct
void(* idct)(int16_t *block)
Definition: idctdsp.h:65
Generated on Sun May 13 2018 02:03:51 for FFmpeg by   doxygen 1.8.6