| /* |
| * Copyright (c) 2013 Georg Martius <georg dot martius at web dot de> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #define DEFAULT_INPUT_NAME "transforms.trf" |
| |
| #include <vid.stab/libvidstab.h> |
| |
| #include "libavutil/common.h" |
| #include "libavutil/opt.h" |
| #include "libavutil/imgutils.h" |
| #include "avfilter.h" |
| #include "internal.h" |
| |
| #include "vidstabutils.h" |
| |
| typedef struct { |
| const AVClass *class; |
| |
| VSTransformData td; |
| VSTransformConfig conf; |
| |
| VSTransformations trans; // transformations |
| char *input; // name of transform file |
| int tripod; |
| int debug; |
| } TransformContext; |
| |
| #define OFFSET(x) offsetof(TransformContext, x) |
| #define OFFSETC(x) (offsetof(TransformContext, conf)+offsetof(VSTransformConfig, x)) |
| #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
| |
| static const AVOption vidstabtransform_options[] = { |
| {"input", "set path to the file storing the transforms", OFFSET(input), |
| AV_OPT_TYPE_STRING, {.str = DEFAULT_INPUT_NAME}, .flags = FLAGS }, |
| {"smoothing", "set number of frames*2 + 1 used for lowpass filtering", OFFSETC(smoothing), |
| AV_OPT_TYPE_INT, {.i64 = 15}, 0, 1000, FLAGS}, |
| |
| {"optalgo", "set camera path optimization algo", OFFSETC(camPathAlgo), |
| AV_OPT_TYPE_INT, {.i64 = VSOptimalL1}, VSOptimalL1, VSAvg, FLAGS, "optalgo"}, |
| { "opt", "global optimization", 0, // from version 1.0 on |
| AV_OPT_TYPE_CONST, {.i64 = VSOptimalL1 }, 0, 0, FLAGS, "optalgo"}, |
| { "gauss", "gaussian kernel", 0, |
| AV_OPT_TYPE_CONST, {.i64 = VSGaussian }, 0, 0, FLAGS, "optalgo"}, |
| { "avg", "simple averaging on motion", 0, |
| AV_OPT_TYPE_CONST, {.i64 = VSAvg }, 0, 0, FLAGS, "optalgo"}, |
| |
| {"maxshift", "set maximal number of pixels to translate image", OFFSETC(maxShift), |
| AV_OPT_TYPE_INT, {.i64 = -1}, -1, 500, FLAGS}, |
| {"maxangle", "set maximal angle in rad to rotate image", OFFSETC(maxAngle), |
| AV_OPT_TYPE_DOUBLE, {.dbl = -1.0}, -1.0, 3.14, FLAGS}, |
| |
| {"crop", "set cropping mode", OFFSETC(crop), |
| AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, FLAGS, "crop"}, |
| { "keep", "keep border", 0, |
| AV_OPT_TYPE_CONST, {.i64 = VSKeepBorder }, 0, 0, FLAGS, "crop"}, |
| { "black", "black border", 0, |
| AV_OPT_TYPE_CONST, {.i64 = VSCropBorder }, 0, 0, FLAGS, "crop"}, |
| |
| {"invert", "invert transforms", OFFSETC(invert), |
| AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, FLAGS}, |
| {"relative", "consider transforms as relative", OFFSETC(relative), |
| AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, FLAGS}, |
| {"zoom", "set percentage to zoom (>0: zoom in, <0: zoom out", OFFSETC(zoom), |
| AV_OPT_TYPE_DOUBLE, {.dbl = 0}, -100, 100, FLAGS}, |
| {"optzoom", "set optimal zoom (0: nothing, 1: optimal static zoom, 2: optimal dynamic zoom)", OFFSETC(optZoom), |
| AV_OPT_TYPE_INT, {.i64 = 1}, 0, 2, FLAGS}, |
| {"zoomspeed", "for adative zoom: percent to zoom maximally each frame", OFFSETC(zoomSpeed), |
| AV_OPT_TYPE_DOUBLE, {.dbl = 0.25}, 0, 5, FLAGS}, |
| |
| {"interpol", "set type of interpolation", OFFSETC(interpolType), |
| AV_OPT_TYPE_INT, {.i64 = 2}, 0, 3, FLAGS, "interpol"}, |
| { "no", "no interpolation", 0, |
| AV_OPT_TYPE_CONST, {.i64 = VS_Zero }, 0, 0, FLAGS, "interpol"}, |
| { "linear", "linear (horizontal)", 0, |
| AV_OPT_TYPE_CONST, {.i64 = VS_Linear }, 0, 0, FLAGS, "interpol"}, |
| { "bilinear","bi-linear", 0, |
| AV_OPT_TYPE_CONST, {.i64 = VS_BiLinear},0, 0, FLAGS, "interpol"}, |
| { "bicubic", "bi-cubic", 0, |
| AV_OPT_TYPE_CONST, {.i64 = VS_BiCubic },0, 0, FLAGS, "interpol"}, |
| |
| {"tripod", "enable virtual tripod mode (same as relative=0:smoothing=0)", OFFSET(tripod), |
| AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, FLAGS}, |
| {"debug", "enable debug mode and writer global motions information to file", OFFSET(debug), |
| AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, FLAGS}, |
| {NULL} |
| }; |
| |
| AVFILTER_DEFINE_CLASS(vidstabtransform); |
| |
| static av_cold int init(AVFilterContext *ctx) |
| { |
| TransformContext *tc = ctx->priv; |
| ff_vs_init(); |
| tc->class = &vidstabtransform_class; |
| av_log(ctx, AV_LOG_VERBOSE, "vidstabtransform filter: init %s\n", LIBVIDSTAB_VERSION); |
| return 0; |
| } |
| |
| static av_cold void uninit(AVFilterContext *ctx) |
| { |
| TransformContext *tc = ctx->priv; |
| |
| vsTransformDataCleanup(&tc->td); |
| vsTransformationsCleanup(&tc->trans); |
| } |
| |
| static int query_formats(AVFilterContext *ctx) |
| { |
| // If you add something here also add it in vidstabutils.c |
| static const enum AVPixelFormat pix_fmts[] = { |
| AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P, |
| AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUVA420P, |
| AV_PIX_FMT_YUV440P, AV_PIX_FMT_GRAY8, |
| AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, AV_PIX_FMT_RGBA, |
| AV_PIX_FMT_NONE |
| }; |
| |
| AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts); |
| if (!fmts_list) |
| return AVERROR(ENOMEM); |
| return ff_set_common_formats(ctx, fmts_list); |
| } |
| |
| |
| static int config_input(AVFilterLink *inlink) |
| { |
| AVFilterContext *ctx = inlink->dst; |
| TransformContext *tc = ctx->priv; |
| FILE *f; |
| |
| const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); |
| |
| VSTransformData *td = &(tc->td); |
| |
| VSFrameInfo fi_src; |
| VSFrameInfo fi_dest; |
| |
| if (!vsFrameInfoInit(&fi_src, inlink->w, inlink->h, |
| ff_av2vs_pixfmt(ctx, inlink->format)) || |
| !vsFrameInfoInit(&fi_dest, inlink->w, inlink->h, |
| ff_av2vs_pixfmt(ctx, inlink->format))) { |
| av_log(ctx, AV_LOG_ERROR, "unknown pixel format: %i (%s)", |
| inlink->format, desc->name); |
| return AVERROR(EINVAL); |
| } |
| |
| if (fi_src.bytesPerPixel != av_get_bits_per_pixel(desc)/8 || |
| fi_src.log2ChromaW != desc->log2_chroma_w || |
| fi_src.log2ChromaH != desc->log2_chroma_h) { |
| av_log(ctx, AV_LOG_ERROR, "pixel-format error: bpp %i<>%i ", |
| fi_src.bytesPerPixel, av_get_bits_per_pixel(desc)/8); |
| av_log(ctx, AV_LOG_ERROR, "chroma_subsampl: w: %i<>%i h: %i<>%i\n", |
| fi_src.log2ChromaW, desc->log2_chroma_w, |
| fi_src.log2ChromaH, desc->log2_chroma_h); |
| return AVERROR(EINVAL); |
| } |
| |
| // set values that are not initializes by the options |
| tc->conf.modName = "vidstabtransform"; |
| tc->conf.verbose = 1 + tc->debug; |
| if (tc->tripod) { |
| av_log(ctx, AV_LOG_INFO, "Virtual tripod mode: relative=0, smoothing=0\n"); |
| tc->conf.relative = 0; |
| tc->conf.smoothing = 0; |
| } |
| tc->conf.simpleMotionCalculation = 0; |
| tc->conf.storeTransforms = tc->debug; |
| tc->conf.smoothZoom = 0; |
| |
| if (vsTransformDataInit(td, &tc->conf, &fi_src, &fi_dest) != VS_OK) { |
| av_log(ctx, AV_LOG_ERROR, "initialization of vid.stab transform failed, please report a BUG\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| vsTransformGetConfig(&tc->conf, td); |
| av_log(ctx, AV_LOG_INFO, "Video transformation/stabilization settings (pass 2/2):\n"); |
| av_log(ctx, AV_LOG_INFO, " input = %s\n", tc->input); |
| av_log(ctx, AV_LOG_INFO, " smoothing = %d\n", tc->conf.smoothing); |
| av_log(ctx, AV_LOG_INFO, " optalgo = %s\n", |
| tc->conf.camPathAlgo == VSOptimalL1 ? "opt" : |
| (tc->conf.camPathAlgo == VSGaussian ? "gauss" : "avg")); |
| av_log(ctx, AV_LOG_INFO, " maxshift = %d\n", tc->conf.maxShift); |
| av_log(ctx, AV_LOG_INFO, " maxangle = %f\n", tc->conf.maxAngle); |
| av_log(ctx, AV_LOG_INFO, " crop = %s\n", tc->conf.crop ? "Black" : "Keep"); |
| av_log(ctx, AV_LOG_INFO, " relative = %s\n", tc->conf.relative ? "True": "False"); |
| av_log(ctx, AV_LOG_INFO, " invert = %s\n", tc->conf.invert ? "True" : "False"); |
| av_log(ctx, AV_LOG_INFO, " zoom = %f\n", tc->conf.zoom); |
| av_log(ctx, AV_LOG_INFO, " optzoom = %s\n", |
| tc->conf.optZoom == 1 ? "Static (1)" : (tc->conf.optZoom == 2 ? "Dynamic (2)" : "Off (0)")); |
| if (tc->conf.optZoom == 2) |
| av_log(ctx, AV_LOG_INFO, " zoomspeed = %g\n", tc->conf.zoomSpeed); |
| av_log(ctx, AV_LOG_INFO, " interpol = %s\n", getInterpolationTypeName(tc->conf.interpolType)); |
| |
| f = fopen(tc->input, "r"); |
| if (!f) { |
| int ret = AVERROR(errno); |
| av_log(ctx, AV_LOG_ERROR, "cannot open input file %s\n", tc->input); |
| return ret; |
| } else { |
| VSManyLocalMotions mlms; |
| if (vsReadLocalMotionsFile(f, &mlms) == VS_OK) { |
| // calculate the actual transforms from the local motions |
| if (vsLocalmotions2Transforms(td, &mlms, &tc->trans) != VS_OK) { |
| av_log(ctx, AV_LOG_ERROR, "calculating transformations failed\n"); |
| return AVERROR(EINVAL); |
| } |
| } else { // try to read old format |
| if (!vsReadOldTransforms(td, f, &tc->trans)) { /* read input file */ |
| av_log(ctx, AV_LOG_ERROR, "error parsing input file %s\n", tc->input); |
| return AVERROR(EINVAL); |
| } |
| } |
| } |
| fclose(f); |
| |
| if (vsPreprocessTransforms(td, &tc->trans) != VS_OK) { |
| av_log(ctx, AV_LOG_ERROR, "error while preprocessing transforms\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| // TODO: add sharpening, so far the user needs to call the unsharp filter manually |
| return 0; |
| } |
| |
| |
| static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
| { |
| AVFilterContext *ctx = inlink->dst; |
| TransformContext *tc = ctx->priv; |
| VSTransformData* td = &(tc->td); |
| |
| AVFilterLink *outlink = inlink->dst->outputs[0]; |
| int direct = 0; |
| AVFrame *out; |
| VSFrame inframe; |
| int plane; |
| |
| if (av_frame_is_writable(in)) { |
| direct = 1; |
| out = in; |
| } else { |
| out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
| if (!out) { |
| av_frame_free(&in); |
| return AVERROR(ENOMEM); |
| } |
| av_frame_copy_props(out, in); |
| } |
| |
| for (plane = 0; plane < vsTransformGetSrcFrameInfo(td)->planes; plane++) { |
| inframe.data[plane] = in->data[plane]; |
| inframe.linesize[plane] = in->linesize[plane]; |
| } |
| if (direct) { |
| vsTransformPrepare(td, &inframe, &inframe); |
| } else { // separate frames |
| VSFrame outframe; |
| for (plane = 0; plane < vsTransformGetDestFrameInfo(td)->planes; plane++) { |
| outframe.data[plane] = out->data[plane]; |
| outframe.linesize[plane] = out->linesize[plane]; |
| } |
| vsTransformPrepare(td, &inframe, &outframe); |
| } |
| |
| vsDoTransform(td, vsGetNextTransform(td, &tc->trans)); |
| |
| vsTransformFinish(td); |
| |
| if (!direct) |
| av_frame_free(&in); |
| |
| return ff_filter_frame(outlink, out); |
| } |
| |
| static const AVFilterPad avfilter_vf_vidstabtransform_inputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .filter_frame = filter_frame, |
| .config_props = config_input, |
| }, |
| { NULL } |
| }; |
| |
| static const AVFilterPad avfilter_vf_vidstabtransform_outputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| }, |
| { NULL } |
| }; |
| |
| AVFilter ff_vf_vidstabtransform = { |
| .name = "vidstabtransform", |
| .description = NULL_IF_CONFIG_SMALL("Transform the frames, " |
| "pass 2 of 2 for stabilization " |
| "(see vidstabdetect for pass 1)."), |
| .priv_size = sizeof(TransformContext), |
| .init = init, |
| .uninit = uninit, |
| .query_formats = query_formats, |
| .inputs = avfilter_vf_vidstabtransform_inputs, |
| .outputs = avfilter_vf_vidstabtransform_outputs, |
| .priv_class = &vidstabtransform_class, |
| }; |
