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unsharp.h
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1 /*
2  * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
3  * Copyright (C) 2013 Lenny Wang
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 #ifndef AVFILTER_UNSHARP_H
23 #define AVFILTER_UNSHARP_H
24 
25 #include "config.h"
26 #include "avfilter.h"
27 #if CONFIG_OPENCL
28 #include "libavutil/opencl.h"
29 #endif
30 
31 #define MIN_MATRIX_SIZE 3
32 #define MAX_MATRIX_SIZE 63
33 
34 #if CONFIG_OPENCL
35 
36 typedef struct UnsharpOpenclContext {
37  cl_command_queue command_queue;
38  cl_program program;
39  cl_kernel kernel_default;
40  cl_kernel kernel_luma;
41  cl_kernel kernel_chroma;
42  cl_mem cl_luma_mask;
43  cl_mem cl_chroma_mask;
44  cl_mem cl_luma_mask_x;
45  cl_mem cl_chroma_mask_x;
46  cl_mem cl_luma_mask_y;
47  cl_mem cl_chroma_mask_y;
48  int in_plane_size[8];
49  int out_plane_size[8];
50  int plane_num;
51  cl_mem cl_inbuf;
52  size_t cl_inbuf_size;
53  cl_mem cl_outbuf;
54  size_t cl_outbuf_size;
55  int use_fast_kernels;
56 } UnsharpOpenclContext;
57 
58 #endif
59 
60 typedef struct UnsharpFilterParam {
61  int msize_x; ///< matrix width
62  int msize_y; ///< matrix height
63  int amount; ///< effect amount
64  int steps_x; ///< horizontal step count
65  int steps_y; ///< vertical step count
66  int scalebits; ///< bits to shift pixel
67  int32_t halfscale; ///< amount to add to pixel
68  uint32_t *sc[MAX_MATRIX_SIZE - 1]; ///< finite state machine storage
70 
71 typedef struct UnsharpContext {
72  const AVClass *class;
74  float lamount, camount;
75  UnsharpFilterParam luma; ///< luma parameters (width, height, amount)
76  UnsharpFilterParam chroma; ///< chroma parameters (width, height, amount)
77  int hsub, vsub;
78  int opencl;
79 #if CONFIG_OPENCL
80  UnsharpOpenclContext opencl_ctx;
81 #endif
84 
85 #endif /* AVFILTER_UNSHARP_H */
This structure describes decoded (raw) audio or video data.
Definition: frame.h:201
int lmsize_x
Definition: unsharp.h:73
Main libavfilter public API header.
UnsharpFilterParam luma
luma parameters (width, height, amount)
Definition: unsharp.h:75
int msize_y
matrix height
Definition: unsharp.h:62
float lamount
Definition: unsharp.h:74
int lmsize_y
Definition: unsharp.h:73
int steps_x
horizontal step count
Definition: unsharp.h:64
int scalebits
bits to shift pixel
Definition: unsharp.h:66
int32_t halfscale
amount to add to pixel
Definition: unsharp.h:67
int amount
effect amount
Definition: unsharp.h:63
int cmsize_x
Definition: unsharp.h:73
uint32_t * sc[MAX_MATRIX_SIZE-1]
finite state machine storage
Definition: unsharp.h:68
float camount
Definition: unsharp.h:74
int32_t
AVFormatContext * ctx
Definition: movenc.c:48
static OpenclContext opencl_ctx
Definition: opencl.c:89
int steps_y
vertical step count
Definition: unsharp.h:65
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> in
int msize_x
matrix width
Definition: unsharp.h:61
Describe the class of an AVClass context structure.
Definition: log.h:67
UnsharpFilterParam chroma
chroma parameters (width, height, amount)
Definition: unsharp.h:76
int(* apply_unsharp)(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
Definition: unsharp.h:82
int cmsize_y
Definition: unsharp.h:73
#define MAX_MATRIX_SIZE
Definition: unsharp.h:32
int
An instance of a filter.
Definition: avfilter.h:338
OpenCL wrapper.
FILE * out
Definition: movenc.c:54