Commit | Line | Data |
---|---|---|
2ba45a60 DM |
1 | /* |
2 | * Copyright (c) 2002 A'rpi | |
3 | * Copyright (C) 2012 Clément Bœsch | |
4 | * | |
5 | * This file is part of FFmpeg. | |
6 | * | |
7 | * FFmpeg is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (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 | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License along | |
18 | * with FFmpeg; if not, write to the Free Software Foundation, Inc., | |
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
20 | */ | |
21 | ||
22 | /** | |
23 | * @file | |
24 | * libpostproc filter, ported from MPlayer. | |
25 | */ | |
26 | ||
27 | #include "libavutil/avassert.h" | |
28 | #include "libavutil/opt.h" | |
29 | #include "internal.h" | |
30 | ||
31 | #include "libpostproc/postprocess.h" | |
32 | ||
33 | typedef struct { | |
34 | const AVClass *class; | |
35 | char *subfilters; | |
36 | int mode_id; | |
37 | pp_mode *modes[PP_QUALITY_MAX + 1]; | |
38 | void *pp_ctx; | |
39 | } PPFilterContext; | |
40 | ||
41 | #define OFFSET(x) offsetof(PPFilterContext, x) | |
42 | #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM | |
43 | static const AVOption pp_options[] = { | |
44 | { "subfilters", "set postprocess subfilters", OFFSET(subfilters), AV_OPT_TYPE_STRING, {.str="de"}, .flags = FLAGS }, | |
45 | { NULL } | |
46 | }; | |
47 | ||
48 | AVFILTER_DEFINE_CLASS(pp); | |
49 | ||
50 | static av_cold int pp_init(AVFilterContext *ctx) | |
51 | { | |
52 | int i; | |
53 | PPFilterContext *pp = ctx->priv; | |
54 | ||
55 | for (i = 0; i <= PP_QUALITY_MAX; i++) { | |
56 | pp->modes[i] = pp_get_mode_by_name_and_quality(pp->subfilters, i); | |
57 | if (!pp->modes[i]) | |
58 | return AVERROR_EXTERNAL; | |
59 | } | |
60 | pp->mode_id = PP_QUALITY_MAX; | |
61 | return 0; | |
62 | } | |
63 | ||
64 | static int pp_process_command(AVFilterContext *ctx, const char *cmd, const char *args, | |
65 | char *res, int res_len, int flags) | |
66 | { | |
67 | PPFilterContext *pp = ctx->priv; | |
68 | ||
69 | if (!strcmp(cmd, "quality")) { | |
70 | pp->mode_id = av_clip(strtol(args, NULL, 10), 0, PP_QUALITY_MAX); | |
71 | return 0; | |
72 | } | |
73 | return AVERROR(ENOSYS); | |
74 | } | |
75 | ||
76 | static int pp_query_formats(AVFilterContext *ctx) | |
77 | { | |
78 | static const enum PixelFormat pix_fmts[] = { | |
79 | AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVJ420P, | |
80 | AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVJ422P, | |
81 | AV_PIX_FMT_YUV411P, | |
f6fa7814 | 82 | AV_PIX_FMT_GBRP, |
2ba45a60 | 83 | AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P, |
f6fa7814 DM |
84 | AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUVJ440P, |
85 | AV_PIX_FMT_GRAY8, | |
2ba45a60 DM |
86 | AV_PIX_FMT_NONE |
87 | }; | |
88 | ff_set_common_formats(ctx, ff_make_format_list(pix_fmts)); | |
89 | return 0; | |
90 | } | |
91 | ||
92 | static int pp_config_props(AVFilterLink *inlink) | |
93 | { | |
94 | int flags = PP_CPU_CAPS_AUTO; | |
95 | PPFilterContext *pp = inlink->dst->priv; | |
96 | ||
97 | switch (inlink->format) { | |
f6fa7814 | 98 | case AV_PIX_FMT_GRAY8: |
2ba45a60 DM |
99 | case AV_PIX_FMT_YUVJ420P: |
100 | case AV_PIX_FMT_YUV420P: flags |= PP_FORMAT_420; break; | |
101 | case AV_PIX_FMT_YUVJ422P: | |
102 | case AV_PIX_FMT_YUV422P: flags |= PP_FORMAT_422; break; | |
103 | case AV_PIX_FMT_YUV411P: flags |= PP_FORMAT_411; break; | |
f6fa7814 | 104 | case AV_PIX_FMT_GBRP: |
2ba45a60 DM |
105 | case AV_PIX_FMT_YUVJ444P: |
106 | case AV_PIX_FMT_YUV444P: flags |= PP_FORMAT_444; break; | |
f6fa7814 DM |
107 | case AV_PIX_FMT_YUVJ440P: |
108 | case AV_PIX_FMT_YUV440P: flags |= PP_FORMAT_440; break; | |
2ba45a60 DM |
109 | default: av_assert0(0); |
110 | } | |
111 | ||
112 | pp->pp_ctx = pp_get_context(inlink->w, inlink->h, flags); | |
113 | if (!pp->pp_ctx) | |
114 | return AVERROR(ENOMEM); | |
115 | return 0; | |
116 | } | |
117 | ||
118 | static int pp_filter_frame(AVFilterLink *inlink, AVFrame *inbuf) | |
119 | { | |
120 | AVFilterContext *ctx = inlink->dst; | |
121 | PPFilterContext *pp = ctx->priv; | |
122 | AVFilterLink *outlink = ctx->outputs[0]; | |
123 | const int aligned_w = FFALIGN(outlink->w, 8); | |
124 | const int aligned_h = FFALIGN(outlink->h, 8); | |
125 | AVFrame *outbuf; | |
126 | int qstride, qp_type; | |
127 | int8_t *qp_table ; | |
128 | ||
129 | outbuf = ff_get_video_buffer(outlink, aligned_w, aligned_h); | |
130 | if (!outbuf) { | |
131 | av_frame_free(&inbuf); | |
132 | return AVERROR(ENOMEM); | |
133 | } | |
134 | av_frame_copy_props(outbuf, inbuf); | |
135 | outbuf->width = inbuf->width; | |
136 | outbuf->height = inbuf->height; | |
137 | qp_table = av_frame_get_qp_table(inbuf, &qstride, &qp_type); | |
138 | ||
139 | pp_postprocess((const uint8_t **)inbuf->data, inbuf->linesize, | |
140 | outbuf->data, outbuf->linesize, | |
141 | aligned_w, outlink->h, | |
142 | qp_table, | |
143 | qstride, | |
144 | pp->modes[pp->mode_id], | |
145 | pp->pp_ctx, | |
146 | outbuf->pict_type | (qp_type ? PP_PICT_TYPE_QP2 : 0)); | |
147 | ||
148 | av_frame_free(&inbuf); | |
149 | return ff_filter_frame(outlink, outbuf); | |
150 | } | |
151 | ||
152 | static av_cold void pp_uninit(AVFilterContext *ctx) | |
153 | { | |
154 | int i; | |
155 | PPFilterContext *pp = ctx->priv; | |
156 | ||
157 | for (i = 0; i <= PP_QUALITY_MAX; i++) | |
158 | pp_free_mode(pp->modes[i]); | |
159 | if (pp->pp_ctx) | |
160 | pp_free_context(pp->pp_ctx); | |
161 | } | |
162 | ||
163 | static const AVFilterPad pp_inputs[] = { | |
164 | { | |
165 | .name = "default", | |
166 | .type = AVMEDIA_TYPE_VIDEO, | |
167 | .config_props = pp_config_props, | |
168 | .filter_frame = pp_filter_frame, | |
169 | }, | |
170 | { NULL } | |
171 | }; | |
172 | ||
173 | static const AVFilterPad pp_outputs[] = { | |
174 | { | |
175 | .name = "default", | |
176 | .type = AVMEDIA_TYPE_VIDEO, | |
177 | }, | |
178 | { NULL } | |
179 | }; | |
180 | ||
181 | AVFilter ff_vf_pp = { | |
182 | .name = "pp", | |
183 | .description = NULL_IF_CONFIG_SMALL("Filter video using libpostproc."), | |
184 | .priv_size = sizeof(PPFilterContext), | |
185 | .init = pp_init, | |
186 | .uninit = pp_uninit, | |
187 | .query_formats = pp_query_formats, | |
188 | .inputs = pp_inputs, | |
189 | .outputs = pp_outputs, | |
190 | .process_command = pp_process_command, | |
191 | .priv_class = &pp_class, | |
192 | .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, | |
193 | }; |