| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * This file is part of FFmpeg. | ||
| 3 | * | ||
| 4 | * FFmpeg is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU Lesser General Public | ||
| 6 | * License as published by the Free Software Foundation; either | ||
| 7 | * version 2.1 of the License, or (at your option) any later version. | ||
| 8 | * | ||
| 9 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 12 | * Lesser General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU Lesser General Public | ||
| 15 | * License along with FFmpeg; if not, write to the Free Software | ||
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 17 | */ | ||
| 18 | |||
| 19 | #include "libavutil/avassert.h" | ||
| 20 | #include "libavutil/attributes.h" | ||
| 21 | #include "libavutil/common.h" | ||
| 22 | #include "libavutil/imgutils.h" | ||
| 23 | #include "libavutil/opt.h" | ||
| 24 | #include "libavutil/pixdesc.h" | ||
| 25 | #include "avfilter.h" | ||
| 26 | #include "filters.h" | ||
| 27 | #include "limiter.h" | ||
| 28 | #include "video.h" | ||
| 29 | |||
| 30 | typedef struct ThreadData { | ||
| 31 | AVFrame *in; | ||
| 32 | AVFrame *out; | ||
| 33 | } ThreadData; | ||
| 34 | |||
| 35 | typedef struct LimiterContext { | ||
| 36 | const AVClass *class; | ||
| 37 | int min, max; /* user-facing option */ | ||
| 38 | int planes; | ||
| 39 | int nb_planes; | ||
| 40 | int plane_min[4]; /* resolved per-plane limits */ | ||
| 41 | int plane_max[4]; | ||
| 42 | int linesize[4]; | ||
| 43 | int width[4]; | ||
| 44 | int height[4]; | ||
| 45 | |||
| 46 | LimiterDSPContext dsp; | ||
| 47 | } LimiterContext; | ||
| 48 | |||
| 49 | #define OFFSET(x) offsetof(LimiterContext, x) | ||
| 50 | #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM | ||
| 51 | |||
| 52 | static const AVOption limiter_options[] = { | ||
| 53 | { "min", "set min value", OFFSET(min), AV_OPT_TYPE_INT, {.i64=0}, -1, 65535, .flags = FLAGS, .unit = "value" }, | ||
| 54 | { "max", "set max value", OFFSET(max), AV_OPT_TYPE_INT, {.i64=65535}, -1, 65535, .flags = FLAGS, .unit = "value" }, | ||
| 55 | { "auto", "automatically use tagged signal range", 0, AV_OPT_TYPE_CONST, {.i64=-1}, .flags = FLAGS, .unit = "value" }, | ||
| 56 | { "planes", "set planes", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=15}, 0, 15, .flags = FLAGS }, | ||
| 57 | { NULL } | ||
| 58 | }; | ||
| 59 | |||
| 60 | AVFILTER_DEFINE_CLASS(limiter); | ||
| 61 | |||
| 62 | static const enum AVPixelFormat pix_fmts[] = { | ||
| 63 | AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P, | ||
| 64 | AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P, | ||
| 65 | AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P, | ||
| 66 | AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P, | ||
| 67 | AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, | ||
| 68 | AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, | ||
| 69 | AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, | ||
| 70 | AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12, | ||
| 71 | AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14, | ||
| 72 | AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, | ||
| 73 | AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9, | ||
| 74 | AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10, | ||
| 75 | AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12, | ||
| 76 | AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16, | ||
| 77 | AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, | ||
| 78 | AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16, | ||
| 79 | AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16, | ||
| 80 | AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16, | ||
| 81 | AV_PIX_FMT_NONE | ||
| 82 | }; | ||
| 83 | |||
| 84 | #define LIMITER(n, type) \ | ||
| 85 | static void limiter##n(const uint8_t *ssrc, uint8_t *ddst, \ | ||
| 86 | ptrdiff_t slinesize, ptrdiff_t dlinesize,\ | ||
| 87 | int w, int h, int min, int max) \ | ||
| 88 | { \ | ||
| 89 | const type *src = (const type *)ssrc; \ | ||
| 90 | type *dst = (type *)ddst; \ | ||
| 91 | \ | ||
| 92 | dlinesize /= sizeof(type); \ | ||
| 93 | slinesize /= sizeof(type); \ | ||
| 94 | \ | ||
| 95 | for (int y = 0; y < h; y++) { \ | ||
| 96 | for (int x = 0; x < w; x++) { \ | ||
| 97 | dst[x] = av_clip(src[x], min, max); \ | ||
| 98 | } \ | ||
| 99 | \ | ||
| 100 | dst += dlinesize; \ | ||
| 101 | src += slinesize; \ | ||
| 102 | } \ | ||
| 103 | } | ||
| 104 | |||
| 105 | ✗ | LIMITER(8, uint8_t) | |
| 106 | ✗ | LIMITER(16, uint16_t) | |
| 107 | |||
| 108 | ✗ | static int config_input(AVFilterLink *inlink) | |
| 109 | { | ||
| 110 | ✗ | AVFilterContext *ctx = inlink->dst; | |
| 111 | ✗ | LimiterContext *s = ctx->priv; | |
| 112 | ✗ | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); | |
| 113 | int depth, vsub, hsub, ret; | ||
| 114 | |||
| 115 | ✗ | s->nb_planes = av_pix_fmt_count_planes(inlink->format); | |
| 116 | |||
| 117 | ✗ | if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0) | |
| 118 | ✗ | return ret; | |
| 119 | |||
| 120 | ✗ | depth = desc->comp[0].depth; | |
| 121 | ✗ | hsub = desc->log2_chroma_w; | |
| 122 | ✗ | vsub = desc->log2_chroma_h; | |
| 123 | ✗ | s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, vsub); | |
| 124 | ✗ | s->height[0] = s->height[3] = inlink->h; | |
| 125 | ✗ | s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, hsub); | |
| 126 | ✗ | s->width[0] = s->width[3] = inlink->w; | |
| 127 | |||
| 128 | ✗ | if (depth == 8) { | |
| 129 | ✗ | s->dsp.limiter = limiter8; | |
| 130 | } else { | ||
| 131 | ✗ | s->dsp.limiter = limiter16; | |
| 132 | } | ||
| 133 | |||
| 134 | #if ARCH_X86 && HAVE_X86ASM | ||
| 135 | ✗ | ff_limiter_init_x86(&s->dsp, desc->comp[0].depth); | |
| 136 | #endif | ||
| 137 | |||
| 138 | ✗ | return 0; | |
| 139 | } | ||
| 140 | |||
| 141 | ✗ | static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) | |
| 142 | { | ||
| 143 | ✗ | LimiterContext *s = ctx->priv; | |
| 144 | ✗ | ThreadData *td = arg; | |
| 145 | ✗ | AVFrame *in = td->in; | |
| 146 | ✗ | AVFrame *out = td->out; | |
| 147 | int p; | ||
| 148 | |||
| 149 | ✗ | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(in->format); | |
| 150 | ✗ | const int depth = desc->comp[0].depth; | |
| 151 | ✗ | const int full_range = (1 << depth) - 1; | |
| 152 | |||
| 153 | ✗ | for (p = 0; p < s->nb_planes; p++) { | |
| 154 | ✗ | const int h = s->height[p]; | |
| 155 | ✗ | const int slice_start = ff_slice_pos(h, jobnr, nb_jobs); | |
| 156 | ✗ | const int slice_end = ff_slice_pos(h, jobnr + 1, nb_jobs); | |
| 157 | ✗ | const int min = s->plane_min[p]; | |
| 158 | ✗ | const int max = s->plane_max[p]; | |
| 159 | ✗ | if (!((1 << p) & s->planes) || (min == 0 && max == full_range)) { | |
| 160 | ✗ | if (out != in) | |
| 161 | ✗ | av_image_copy_plane(out->data[p] + slice_start * out->linesize[p], | |
| 162 | out->linesize[p], | ||
| 163 | ✗ | in->data[p] + slice_start * in->linesize[p], | |
| 164 | in->linesize[p], | ||
| 165 | s->linesize[p], slice_end - slice_start); | ||
| 166 | ✗ | continue; | |
| 167 | } | ||
| 168 | |||
| 169 | av_assert1(max >= min); | ||
| 170 | ✗ | s->dsp.limiter(in->data[p] + slice_start * in->linesize[p], | |
| 171 | ✗ | out->data[p] + slice_start * out->linesize[p], | |
| 172 | ✗ | in->linesize[p], out->linesize[p], | |
| 173 | s->width[p], slice_end - slice_start, | ||
| 174 | min, max); | ||
| 175 | } | ||
| 176 | |||
| 177 | ✗ | return 0; | |
| 178 | } | ||
| 179 | |||
| 180 | ✗ | static int filter_frame(AVFilterLink *inlink, AVFrame *in) | |
| 181 | { | ||
| 182 | ✗ | AVFilterContext *ctx = inlink->dst; | |
| 183 | ✗ | LimiterContext *s = ctx->priv; | |
| 184 | ✗ | AVFilterLink *outlink = ctx->outputs[0]; | |
| 185 | ThreadData td; | ||
| 186 | AVFrame *out; | ||
| 187 | |||
| 188 | ✗ | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(in->format); | |
| 189 | ✗ | const int is_mpeg = in->color_range == AVCOL_RANGE_MPEG && | |
| 190 | ✗ | !(desc->flags & AV_PIX_FMT_FLAG_RGB); | |
| 191 | |||
| 192 | ✗ | const int depth = desc->comp[0].depth; | |
| 193 | ✗ | const int full_range = (1 << depth) - 1; | |
| 194 | ✗ | const int max = FFMIN(s->max, full_range); | |
| 195 | ✗ | const int min = FFMIN(s->min, full_range); | |
| 196 | |||
| 197 | ✗ | for (int p = 0; p < s->nb_planes; p++) { | |
| 198 | ✗ | const int mpeg_min = 16 << (depth - 8); | |
| 199 | ✗ | const int mpeg_max = (p ? 240 : 235) << (depth - 8); | |
| 200 | ✗ | s->plane_min[p] = min; | |
| 201 | ✗ | s->plane_max[p] = max; | |
| 202 | ✗ | if (min < 0) | |
| 203 | ✗ | s->plane_min[p] = (is_mpeg && p != 3) ? mpeg_min : 0; | |
| 204 | ✗ | if (max < 0) | |
| 205 | ✗ | s->plane_max[p] = (is_mpeg && p != 3) ? mpeg_max : full_range; | |
| 206 | |||
| 207 | ✗ | if (((1 << p) & s->planes) && s->plane_max[p] < s->plane_min[p]) { | |
| 208 | ✗ | av_log(ctx, AV_LOG_ERROR, "Invalid min/max values for plane %d: " | |
| 209 | "min=%d > max=%d\n", p, s->plane_min[p], s->plane_max[p]); | ||
| 210 | ✗ | av_frame_free(&in); | |
| 211 | ✗ | return AVERROR(EINVAL); | |
| 212 | } | ||
| 213 | } | ||
| 214 | |||
| 215 | ✗ | if (av_frame_is_writable(in)) { | |
| 216 | ✗ | out = in; | |
| 217 | } else { | ||
| 218 | ✗ | out = ff_get_video_buffer(outlink, outlink->w, outlink->h); | |
| 219 | ✗ | if (!out) { | |
| 220 | ✗ | av_frame_free(&in); | |
| 221 | ✗ | return AVERROR(ENOMEM); | |
| 222 | } | ||
| 223 | ✗ | av_frame_copy_props(out, in); | |
| 224 | } | ||
| 225 | |||
| 226 | ✗ | td.out = out; | |
| 227 | ✗ | td.in = in; | |
| 228 | ✗ | ff_filter_execute(ctx, filter_slice, &td, NULL, | |
| 229 | ✗ | FFMIN(s->height[2], ff_filter_get_nb_threads(ctx))); | |
| 230 | ✗ | if (out != in) | |
| 231 | ✗ | av_frame_free(&in); | |
| 232 | |||
| 233 | ✗ | return ff_filter_frame(outlink, out); | |
| 234 | } | ||
| 235 | |||
| 236 | ✗ | static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, | |
| 237 | char *res, int res_len, int flags) | ||
| 238 | { | ||
| 239 | int ret; | ||
| 240 | |||
| 241 | ✗ | ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags); | |
| 242 | ✗ | if (ret < 0) | |
| 243 | ✗ | return ret; | |
| 244 | |||
| 245 | ✗ | return config_input(ctx->inputs[0]); | |
| 246 | } | ||
| 247 | |||
| 248 | static const AVFilterPad inputs[] = { | ||
| 249 | { | ||
| 250 | .name = "default", | ||
| 251 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 252 | .filter_frame = filter_frame, | ||
| 253 | .config_props = config_input, | ||
| 254 | }, | ||
| 255 | }; | ||
| 256 | |||
| 257 | const FFFilter ff_vf_limiter = { | ||
| 258 | .p.name = "limiter", | ||
| 259 | .p.description = NULL_IF_CONFIG_SMALL("Limit pixels components to the specified range."), | ||
| 260 | .p.priv_class = &limiter_class, | ||
| 261 | .p.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | | ||
| 262 | AVFILTER_FLAG_SLICE_THREADS, | ||
| 263 | .priv_size = sizeof(LimiterContext), | ||
| 264 | FILTER_INPUTS(inputs), | ||
| 265 | FILTER_OUTPUTS(ff_video_default_filterpad), | ||
| 266 | FILTER_PIXFMTS_ARRAY(pix_fmts), | ||
| 267 | .process_command = process_command, | ||
| 268 | }; | ||
| 269 |