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| 4349 | Serge | 1 | /* |
| 2 | * Copyright (c) 2013 Georg Martius |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #define DEFAULT_INPUT_NAME "transforms.trf" |
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| 22 | |||
| 23 | #include |
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| 24 | |||
| 25 | #include "libavutil/common.h" |
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| 26 | #include "libavutil/opt.h" |
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| 27 | #include "libavutil/imgutils.h" |
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| 28 | #include "avfilter.h" |
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| 29 | #include "internal.h" |
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| 30 | |||
| 31 | #include "vidstabutils.h" |
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| 32 | |||
| 33 | typedef struct { |
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| 34 | const AVClass *class; |
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| 35 | |||
| 36 | VSTransformData td; |
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| 37 | VSTransformConfig conf; |
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| 38 | |||
| 39 | VSTransformations trans; // transformations |
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| 40 | char *input; // name of transform file |
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| 41 | int tripod; |
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| 42 | } TransformContext; |
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| 43 | |||
| 44 | #define OFFSET(x) offsetof(TransformContext, x) |
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| 45 | #define OFFSETC(x) (offsetof(TransformContext, conf)+offsetof(VSTransformConfig, x)) |
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| 46 | #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
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| 47 | |||
| 48 | static const AVOption vidstabtransform_options[] = { |
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| 49 | {"input", "path to the file storing the transforms", OFFSET(input), |
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| 50 | AV_OPT_TYPE_STRING, {.str = DEFAULT_INPUT_NAME}, .flags = FLAGS }, |
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| 51 | {"smoothing", "number of frames*2 + 1 used for lowpass filtering", OFFSETC(smoothing), |
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| 52 | AV_OPT_TYPE_INT, {.i64 = 10}, 1, 1000, FLAGS}, |
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| 53 | {"maxshift", "maximal number of pixels to translate image", OFFSETC(maxShift), |
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| 54 | AV_OPT_TYPE_INT, {.i64 = -1}, -1, 500, FLAGS}, |
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| 55 | {"maxangle", "maximal angle in rad to rotate image", OFFSETC(maxAngle), |
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| 56 | AV_OPT_TYPE_DOUBLE, {.dbl = -1.0}, -1.0, 3.14, FLAGS}, |
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| 57 | {"crop", "set cropping mode", OFFSETC(crop), |
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| 58 | AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, FLAGS, "crop"}, |
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| 59 | { "keep", "keep border", 0, |
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| 60 | AV_OPT_TYPE_CONST, {.i64 = VSKeepBorder }, 0, 0, FLAGS, "crop"}, |
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| 61 | { "black", "black border", 0, |
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| 62 | AV_OPT_TYPE_CONST, {.i64 = VSCropBorder }, 0, 0, FLAGS, "crop"}, |
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| 63 | {"invert", "1: invert transforms", OFFSETC(invert), |
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| 64 | AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, FLAGS}, |
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| 65 | {"relative", "consider transforms as 0: absolute, 1: relative", OFFSETC(relative), |
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| 66 | AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, FLAGS}, |
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| 67 | {"zoom", "percentage to zoom >0: zoom in, <0 zoom out", OFFSETC(zoom), |
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| 68 | AV_OPT_TYPE_DOUBLE, {.dbl = 0}, -100, 100, FLAGS}, |
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| 69 | {"optzoom", "0: nothing, 1: determine optimal zoom (added to 'zoom')", OFFSETC(optZoom), |
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| 70 | AV_OPT_TYPE_INT, {.i64 = 1}, 0, 2, FLAGS}, |
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| 71 | {"interpol", "type of interpolation", OFFSETC(interpolType), |
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| 72 | AV_OPT_TYPE_INT, {.i64 = 2}, 0, 3, FLAGS, "interpol"}, |
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| 73 | { "no", "no interpolation", 0, |
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| 74 | AV_OPT_TYPE_CONST, {.i64 = VS_Zero }, 0, 0, FLAGS, "interpol"}, |
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| 75 | { "linear", "linear (horizontal)", 0, |
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| 76 | AV_OPT_TYPE_CONST, {.i64 = VS_Linear }, 0, 0, FLAGS, "interpol"}, |
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| 77 | { "bilinear","bi-linear", 0, |
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| 78 | AV_OPT_TYPE_CONST, {.i64 = VS_BiLinear},0, 0, FLAGS, "interpol"}, |
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| 79 | { "bicubic", "bi-cubic", 0, |
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| 80 | AV_OPT_TYPE_CONST, {.i64 = VS_BiCubic },0, 0, FLAGS, "interpol"}, |
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| 81 | {"tripod", "if 1: virtual tripod mode (equiv. to relative=0:smoothing=0)", OFFSET(tripod), |
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| 82 | AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, FLAGS}, |
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| 83 | {NULL} |
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| 84 | }; |
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| 85 | |||
| 86 | AVFILTER_DEFINE_CLASS(vidstabtransform); |
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| 87 | |||
| 88 | static av_cold int init(AVFilterContext *ctx) |
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| 89 | { |
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| 90 | TransformContext *tc = ctx->priv; |
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| 91 | vs_set_mem_and_log_functions(); |
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| 92 | tc->class = &vidstabtransform_class; |
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| 93 | av_log(ctx, AV_LOG_VERBOSE, "vidstabtransform filter: init %s\n", LIBVIDSTAB_VERSION); |
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| 94 | return 0; |
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| 95 | } |
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| 96 | |||
| 97 | static av_cold void uninit(AVFilterContext *ctx) |
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| 98 | { |
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| 99 | TransformContext *tc = ctx->priv; |
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| 100 | |||
| 101 | vsTransformDataCleanup(&tc->td); |
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| 102 | vsTransformationsCleanup(&tc->trans); |
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| 103 | } |
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| 104 | |||
| 105 | static int query_formats(AVFilterContext *ctx) |
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| 106 | { |
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| 107 | // If you add something here also add it in vidstabutils.c |
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| 108 | static const enum AVPixelFormat pix_fmts[] = { |
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| 109 | AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P, |
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| 110 | AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUVA420P, |
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| 111 | AV_PIX_FMT_YUV440P, AV_PIX_FMT_GRAY8, |
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| 112 | AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, AV_PIX_FMT_RGBA, |
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| 113 | AV_PIX_FMT_NONE |
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| 114 | }; |
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| 115 | |||
| 116 | ff_set_common_formats(ctx, ff_make_format_list(pix_fmts)); |
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| 117 | return 0; |
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| 118 | } |
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| 119 | |||
| 120 | |||
| 121 | static int config_input(AVFilterLink *inlink) |
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| 122 | { |
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| 123 | AVFilterContext *ctx = inlink->dst; |
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| 124 | TransformContext *tc = ctx->priv; |
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| 125 | FILE *f; |
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| 126 | |||
| 127 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); |
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| 128 | |||
| 129 | VSTransformData *td = &(tc->td); |
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| 130 | |||
| 131 | VSFrameInfo fi_src; |
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| 132 | VSFrameInfo fi_dest; |
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| 133 | |||
| 134 | if (!vsFrameInfoInit(&fi_src, inlink->w, inlink->h, |
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| 135 | av_2_vs_pixel_format(ctx, inlink->format)) || |
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| 136 | !vsFrameInfoInit(&fi_dest, inlink->w, inlink->h, |
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| 137 | av_2_vs_pixel_format(ctx, inlink->format))) { |
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| 138 | av_log(ctx, AV_LOG_ERROR, "unknown pixel format: %i (%s)", |
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| 139 | inlink->format, desc->name); |
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| 140 | return AVERROR(EINVAL); |
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| 141 | } |
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| 142 | |||
| 143 | if (fi_src.bytesPerPixel != av_get_bits_per_pixel(desc)/8 || |
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| 144 | fi_src.log2ChromaW != desc->log2_chroma_w || |
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| 145 | fi_src.log2ChromaH != desc->log2_chroma_h) { |
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| 146 | av_log(ctx, AV_LOG_ERROR, "pixel-format error: bpp %i<>%i ", |
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| 147 | fi_src.bytesPerPixel, av_get_bits_per_pixel(desc)/8); |
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| 148 | av_log(ctx, AV_LOG_ERROR, "chroma_subsampl: w: %i<>%i h: %i<>%i\n", |
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| 149 | fi_src.log2ChromaW, desc->log2_chroma_w, |
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| 150 | fi_src.log2ChromaH, desc->log2_chroma_h); |
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| 151 | return AVERROR(EINVAL); |
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| 152 | } |
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| 153 | |||
| 154 | // set values that are not initializes by the options |
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| 155 | tc->conf.modName = "vidstabtransform"; |
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| 156 | tc->conf.verbose =1; |
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| 157 | if (tc->tripod) { |
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| 158 | av_log(ctx, AV_LOG_INFO, "Virtual tripod mode: relative=0, smoothing=0"); |
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| 159 | tc->conf.relative = 0; |
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| 160 | tc->conf.smoothing = 0; |
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| 161 | } |
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| 162 | |||
| 163 | if (vsTransformDataInit(td, &tc->conf, &fi_src, &fi_dest) != VS_OK) { |
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| 164 | av_log(ctx, AV_LOG_ERROR, "initialization of vid.stab transform failed, please report a BUG\n"); |
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| 165 | return AVERROR(EINVAL); |
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| 166 | } |
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| 167 | |||
| 168 | vsTransformGetConfig(&tc->conf, td); |
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| 169 | av_log(ctx, AV_LOG_INFO, "Video transformation/stabilization settings (pass 2/2):\n"); |
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| 170 | av_log(ctx, AV_LOG_INFO, " input = %s\n", tc->input); |
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| 171 | av_log(ctx, AV_LOG_INFO, " smoothing = %d\n", tc->conf.smoothing); |
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| 172 | av_log(ctx, AV_LOG_INFO, " maxshift = %d\n", tc->conf.maxShift); |
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| 173 | av_log(ctx, AV_LOG_INFO, " maxangle = %f\n", tc->conf.maxAngle); |
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| 174 | av_log(ctx, AV_LOG_INFO, " crop = %s\n", tc->conf.crop ? "Black" : "Keep"); |
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| 175 | av_log(ctx, AV_LOG_INFO, " relative = %s\n", tc->conf.relative ? "True": "False"); |
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| 176 | av_log(ctx, AV_LOG_INFO, " invert = %s\n", tc->conf.invert ? "True" : "False"); |
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| 177 | av_log(ctx, AV_LOG_INFO, " zoom = %f\n", tc->conf.zoom); |
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| 178 | av_log(ctx, AV_LOG_INFO, " optzoom = %s\n", tc->conf.optZoom ? "On" : "Off"); |
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| 179 | av_log(ctx, AV_LOG_INFO, " interpol = %s\n", getInterpolationTypeName(tc->conf.interpolType)); |
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| 180 | |||
| 181 | f = fopen(tc->input, "r"); |
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| 182 | if (f == NULL) { |
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| 183 | av_log(ctx, AV_LOG_ERROR, "cannot open input file %s\n", tc->input); |
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| 184 | return AVERROR(errno); |
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| 185 | } else { |
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| 186 | VSManyLocalMotions mlms; |
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| 187 | if (vsReadLocalMotionsFile(f, &mlms) == VS_OK) { |
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| 188 | // calculate the actual transforms from the local motions |
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| 189 | if (vsLocalmotions2TransformsSimple(td, &mlms, &tc->trans) != VS_OK) { |
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| 190 | av_log(ctx, AV_LOG_ERROR, "calculating transformations failed\n"); |
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| 191 | return AVERROR(EINVAL); |
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| 192 | } |
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| 193 | } else { // try to read old format |
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| 194 | if (!vsReadOldTransforms(td, f, &tc->trans)) { /* read input file */ |
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| 195 | av_log(ctx, AV_LOG_ERROR, "error parsing input file %s\n", tc->input); |
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| 196 | return AVERROR(EINVAL); |
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| 197 | } |
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| 198 | } |
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| 199 | } |
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| 200 | fclose(f); |
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| 201 | |||
| 202 | if (vsPreprocessTransforms(td, &tc->trans) != VS_OK ) { |
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| 203 | av_log(ctx, AV_LOG_ERROR, "error while preprocessing transforms\n"); |
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| 204 | return AVERROR(EINVAL); |
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| 205 | } |
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| 206 | |||
| 207 | // TODO: add sharpening, so far the user needs to call the unsharp filter manually |
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| 208 | return 0; |
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| 209 | } |
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| 210 | |||
| 211 | |||
| 212 | static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
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| 213 | { |
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| 214 | AVFilterContext *ctx = inlink->dst; |
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| 215 | TransformContext *tc = ctx->priv; |
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| 216 | VSTransformData* td = &(tc->td); |
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| 217 | |||
| 218 | AVFilterLink *outlink = inlink->dst->outputs[0]; |
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| 219 | int direct = 0; |
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| 220 | AVFrame *out; |
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| 221 | VSFrame inframe; |
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| 222 | int plane; |
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| 223 | |||
| 224 | if (av_frame_is_writable(in)) { |
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| 225 | direct = 1; |
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| 226 | out = in; |
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| 227 | } else { |
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| 228 | out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
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| 229 | if (!out) { |
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| 230 | av_frame_free(&in); |
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| 231 | return AVERROR(ENOMEM); |
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| 232 | } |
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| 233 | av_frame_copy_props(out, in); |
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| 234 | } |
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| 235 | |||
| 236 | for (plane = 0; plane < vsTransformGetSrcFrameInfo(td)->planes; plane++) { |
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| 237 | inframe.data[plane] = in->data[plane]; |
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| 238 | inframe.linesize[plane] = in->linesize[plane]; |
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| 239 | } |
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| 240 | if (direct) { |
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| 241 | vsTransformPrepare(td, &inframe, &inframe); |
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| 242 | } else { // separate frames |
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| 243 | VSFrame outframe; |
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| 244 | for (plane = 0; plane < vsTransformGetDestFrameInfo(td)->planes; plane++) { |
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| 245 | outframe.data[plane] = out->data[plane]; |
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| 246 | outframe.linesize[plane] = out->linesize[plane]; |
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| 247 | } |
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| 248 | vsTransformPrepare(td, &inframe, &outframe); |
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| 249 | } |
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| 250 | |||
| 251 | vsDoTransform(td, vsGetNextTransform(td, &tc->trans)); |
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| 252 | |||
| 253 | vsTransformFinish(td); |
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| 254 | |||
| 255 | if (!direct) |
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| 256 | av_frame_free(&in); |
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| 257 | |||
| 258 | return ff_filter_frame(outlink, out); |
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| 259 | } |
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| 260 | |||
| 261 | static const AVFilterPad avfilter_vf_vidstabtransform_inputs[] = { |
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| 262 | { |
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| 263 | .name = "default", |
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| 264 | .type = AVMEDIA_TYPE_VIDEO, |
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| 265 | .filter_frame = filter_frame, |
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| 266 | .config_props = config_input, |
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| 267 | }, |
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| 268 | { NULL } |
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| 269 | }; |
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| 270 | |||
| 271 | static const AVFilterPad avfilter_vf_vidstabtransform_outputs[] = { |
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| 272 | { |
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| 273 | .name = "default", |
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| 274 | .type = AVMEDIA_TYPE_VIDEO, |
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| 275 | }, |
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| 276 | { NULL } |
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| 277 | }; |
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| 278 | |||
| 279 | AVFilter avfilter_vf_vidstabtransform = { |
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| 280 | .name = "vidstabtransform", |
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| 281 | .description = NULL_IF_CONFIG_SMALL("Transform the frames, " |
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| 282 | "pass 2 of 2 for stabilization " |
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| 283 | "(see vidstabdetect for pass 1)."), |
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| 284 | .priv_size = sizeof(TransformContext), |
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| 285 | .init = init, |
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| 286 | .uninit = uninit, |
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| 287 | .query_formats = query_formats, |
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| 288 | .inputs = avfilter_vf_vidstabtransform_inputs, |
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| 289 | .outputs = avfilter_vf_vidstabtransform_outputs, |
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| 290 | .priv_class = &vidstabtransform_class, |
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| 291 | }; |