[deb_ffmpeg.git] / ffmpeg / libavfilter / vf_vidstabtransform.c

/*
 * 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_INT,    {.i64 = 0},        0, 1,    FLAGS},
    {"debug",     "enable debug mode and writer global motions information to file", OFFSET(debug),
                   AV_OPT_TYPE_INT,    {.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
    };

    ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
    return 0;
}


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,
};
Commit	Line	Data
2ba45a60 DM	1	/*
	2	* Copyright (c) 2013 Georg Martius <georg dot martius at web dot de>
	3	*
	4	* This file is part of FFmpeg.
	5	*
	6	* FFmpeg is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU Lesser General Public
	8	* License as published by the Free Software Foundation; either
	9	* version 2.1 of the License, or (at your option) any later version.
	10	*
	11	* FFmpeg is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	* Lesser General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU Lesser General Public
	17	* License along with FFmpeg; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#define DEFAULT_INPUT_NAME "transforms.trf"
	22
	23	#include <vid.stab/libvidstab.h>
	24
	25	#include "libavutil/common.h"
	26	#include "libavutil/opt.h"
	27	#include "libavutil/imgutils.h"
	28	#include "avfilter.h"
	29	#include "internal.h"
	30
	31	#include "vidstabutils.h"
	32
	33	typedef struct {
	34	const AVClass *class;
	35
	36	VSTransformData td;
	37	VSTransformConfig conf;
	38
	39	VSTransformations trans; // transformations
	40	char *input; // name of transform file
	41	int tripod;
	42	int debug;
	43	} TransformContext;
	44
	45	#define OFFSET(x) offsetof(TransformContext, x)
	46	#define OFFSETC(x) (offsetof(TransformContext, conf)+offsetof(VSTransformConfig, x))
	47	#define FLAGS AV_OPT_FLAG_FILTERING_PARAM\|AV_OPT_FLAG_VIDEO_PARAM
	48
	49	static const AVOption vidstabtransform_options[] = {
	50	{"input", "set path to the file storing the transforms", OFFSET(input),
	51	AV_OPT_TYPE_STRING, {.str = DEFAULT_INPUT_NAME}, .flags = FLAGS },
	52	{"smoothing", "set number of frames*2 + 1 used for lowpass filtering", OFFSETC(smoothing),
	53	AV_OPT_TYPE_INT, {.i64 = 15}, 0, 1000, FLAGS},
	54
	55	{"optalgo", "set camera path optimization algo", OFFSETC(camPathAlgo),
	56	AV_OPT_TYPE_INT, {.i64 = VSOptimalL1}, VSOptimalL1, VSAvg, FLAGS, "optalgo"},
	57	{ "opt", "global optimization", 0, // from version 1.0 on
	58	AV_OPT_TYPE_CONST, {.i64 = VSOptimalL1 }, 0, 0, FLAGS, "optalgo"},
	59	{ "gauss", "gaussian kernel", 0,
	60	AV_OPT_TYPE_CONST, {.i64 = VSGaussian }, 0, 0, FLAGS, "optalgo"},
	61	{ "avg", "simple averaging on motion", 0,
	62	AV_OPT_TYPE_CONST, {.i64 = VSAvg }, 0, 0, FLAGS, "optalgo"},
	63
	64	{"maxshift", "set maximal number of pixels to translate image", OFFSETC(maxShift),
65	AV_OPT_TYPE_INT, {.i64 = -1}, -1, 500, FLAGS},
66	{"maxangle", "set maximal angle in rad to rotate image", OFFSETC(maxAngle),
67	AV_OPT_TYPE_DOUBLE, {.dbl = -1.0}, -1.0, 3.14, FLAGS},
68
69	{"crop", "set cropping mode", OFFSETC(crop),
70	AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, FLAGS, "crop"},
71	{ "keep", "keep border", 0,
72	AV_OPT_TYPE_CONST, {.i64 = VSKeepBorder }, 0, 0, FLAGS, "crop"},
73	{ "black", "black border", 0,
74	AV_OPT_TYPE_CONST, {.i64 = VSCropBorder }, 0, 0, FLAGS, "crop"},
75
76	{"invert", "invert transforms", OFFSETC(invert),
77	AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, FLAGS},
78	{"relative", "consider transforms as relative", OFFSETC(relative),
79	AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, FLAGS},
80	{"zoom", "set percentage to zoom (>0: zoom in, <0: zoom out", OFFSETC(zoom),
81	AV_OPT_TYPE_DOUBLE, {.dbl = 0}, -100, 100, FLAGS},
82	{"optzoom", "set optimal zoom (0: nothing, 1: optimal static zoom, 2: optimal dynamic zoom)", OFFSETC(optZoom),
83	AV_OPT_TYPE_INT, {.i64 = 1}, 0, 2, FLAGS},
84	{"zoomspeed", "for adative zoom: percent to zoom maximally each frame", OFFSETC(zoomSpeed),
85	AV_OPT_TYPE_DOUBLE, {.dbl = 0.25}, 0, 5, FLAGS},
86
87	{"interpol", "set type of interpolation", OFFSETC(interpolType),
88	AV_OPT_TYPE_INT, {.i64 = 2}, 0, 3, FLAGS, "interpol"},
89	{ "no", "no interpolation", 0,
90	AV_OPT_TYPE_CONST, {.i64 = VS_Zero }, 0, 0, FLAGS, "interpol"},
91	{ "linear", "linear (horizontal)", 0,
92	AV_OPT_TYPE_CONST, {.i64 = VS_Linear }, 0, 0, FLAGS, "interpol"},
93	{ "bilinear","bi-linear", 0,
94	AV_OPT_TYPE_CONST, {.i64 = VS_BiLinear},0, 0, FLAGS, "interpol"},
95	{ "bicubic", "bi-cubic", 0,
96	AV_OPT_TYPE_CONST, {.i64 = VS_BiCubic },0, 0, FLAGS, "interpol"},
97
98	{"tripod", "enable virtual tripod mode (same as relative=0:smoothing=0)", OFFSET(tripod),
99	AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, FLAGS},
100	{"debug", "enable debug mode and writer global motions information to file", OFFSET(debug),
101	AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, FLAGS},
102	{NULL}
103	};
104
105	AVFILTER_DEFINE_CLASS(vidstabtransform);
106
107	static av_cold int init(AVFilterContext *ctx)
108	{
109	TransformContext *tc = ctx->priv;
110	ff_vs_init();
111	tc->class = &vidstabtransform_class;
112	av_log(ctx, AV_LOG_VERBOSE, "vidstabtransform filter: init %s\n", LIBVIDSTAB_VERSION);
113	return 0;
114	}
115
116	static av_cold void uninit(AVFilterContext *ctx)
117	{
118	TransformContext *tc = ctx->priv;
119
120	vsTransformDataCleanup(&tc->td);
121	vsTransformationsCleanup(&tc->trans);
122	}
123
124	static int query_formats(AVFilterContext *ctx)
125	{
126	// If you add something here also add it in vidstabutils.c
127	static const enum AVPixelFormat pix_fmts[] = {
128	AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P,
129	AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUVA420P,
130	AV_PIX_FMT_YUV440P, AV_PIX_FMT_GRAY8,
131	AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, AV_PIX_FMT_RGBA,
132	AV_PIX_FMT_NONE
133	};
134
135	ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
136	return 0;
137	}
138
139
140	static int config_input(AVFilterLink *inlink)
141	{
142	AVFilterContext *ctx = inlink->dst;
143	TransformContext *tc = ctx->priv;
144	FILE *f;
145
146	const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
147
148	VSTransformData *td = &(tc->td);
149
150	VSFrameInfo fi_src;
151	VSFrameInfo fi_dest;
152
153	if (!vsFrameInfoInit(&fi_src, inlink->w, inlink->h,
154	ff_av2vs_pixfmt(ctx, inlink->format)) \|\|
155	!vsFrameInfoInit(&fi_dest, inlink->w, inlink->h,
156	ff_av2vs_pixfmt(ctx, inlink->format))) {
157	av_log(ctx, AV_LOG_ERROR, "unknown pixel format: %i (%s)",
158	inlink->format, desc->name);
159	return AVERROR(EINVAL);
160	}
161
162	if (fi_src.bytesPerPixel != av_get_bits_per_pixel(desc)/8 \|\|
163	fi_src.log2ChromaW != desc->log2_chroma_w \|\|
164	fi_src.log2ChromaH != desc->log2_chroma_h) {
165	av_log(ctx, AV_LOG_ERROR, "pixel-format error: bpp %i<>%i ",
166	fi_src.bytesPerPixel, av_get_bits_per_pixel(desc)/8);
167	av_log(ctx, AV_LOG_ERROR, "chroma_subsampl: w: %i<>%i h: %i<>%i\n",
168	fi_src.log2ChromaW, desc->log2_chroma_w,
169	fi_src.log2ChromaH, desc->log2_chroma_h);
170	return AVERROR(EINVAL);
171	}
172
173	// set values that are not initializes by the options
174	tc->conf.modName = "vidstabtransform";
175	tc->conf.verbose = 1 + tc->debug;
176	if (tc->tripod) {
177	av_log(ctx, AV_LOG_INFO, "Virtual tripod mode: relative=0, smoothing=0\n");
178	tc->conf.relative = 0;
179	tc->conf.smoothing = 0;
180	}
181	tc->conf.simpleMotionCalculation = 0;
182	tc->conf.storeTransforms = tc->debug;
183	tc->conf.smoothZoom = 0;
184
185	if (vsTransformDataInit(td, &tc->conf, &fi_src, &fi_dest) != VS_OK) {
186	av_log(ctx, AV_LOG_ERROR, "initialization of vid.stab transform failed, please report a BUG\n");
187	return AVERROR(EINVAL);
188	}
189
190	vsTransformGetConfig(&tc->conf, td);
191	av_log(ctx, AV_LOG_INFO, "Video transformation/stabilization settings (pass 2/2):\n");
192	av_log(ctx, AV_LOG_INFO, " input = %s\n", tc->input);
193	av_log(ctx, AV_LOG_INFO, " smoothing = %d\n", tc->conf.smoothing);
194	av_log(ctx, AV_LOG_INFO, " optalgo = %s\n",
195	tc->conf.camPathAlgo == VSOptimalL1 ? "opt" :
196	(tc->conf.camPathAlgo == VSGaussian ? "gauss" : "avg"));
197	av_log(ctx, AV_LOG_INFO, " maxshift = %d\n", tc->conf.maxShift);
198	av_log(ctx, AV_LOG_INFO, " maxangle = %f\n", tc->conf.maxAngle);
199	av_log(ctx, AV_LOG_INFO, " crop = %s\n", tc->conf.crop ? "Black" : "Keep");
200	av_log(ctx, AV_LOG_INFO, " relative = %s\n", tc->conf.relative ? "True": "False");
201	av_log(ctx, AV_LOG_INFO, " invert = %s\n", tc->conf.invert ? "True" : "False");
202	av_log(ctx, AV_LOG_INFO, " zoom = %f\n", tc->conf.zoom);
203	av_log(ctx, AV_LOG_INFO, " optzoom = %s\n",
204	tc->conf.optZoom == 1 ? "Static (1)" : (tc->conf.optZoom == 2 ? "Dynamic (2)" : "Off (0)"));
205	if (tc->conf.optZoom == 2)
206	av_log(ctx, AV_LOG_INFO, " zoomspeed = %g\n", tc->conf.zoomSpeed);
207	av_log(ctx, AV_LOG_INFO, " interpol = %s\n", getInterpolationTypeName(tc->conf.interpolType));
208
209	f = fopen(tc->input, "r");
210	if (!f) {
f6fa7814	211	int ret = AVERROR(errno);
2ba45a60	212	av_log(ctx, AV_LOG_ERROR, "cannot open input file %s\n", tc->input);
f6fa7814	213	return ret;
2ba45a60 DM	214	} else {
	215	VSManyLocalMotions mlms;
	216	if (vsReadLocalMotionsFile(f, &mlms) == VS_OK) {
	217	// calculate the actual transforms from the local motions
	218	if (vsLocalmotions2Transforms(td, &mlms, &tc->trans) != VS_OK) {
	219	av_log(ctx, AV_LOG_ERROR, "calculating transformations failed\n");
	220	return AVERROR(EINVAL);
	221	}
	222	} else { // try to read old format
	223	if (!vsReadOldTransforms(td, f, &tc->trans)) { /* read input file */
	224	av_log(ctx, AV_LOG_ERROR, "error parsing input file %s\n", tc->input);
	225	return AVERROR(EINVAL);
	226	}
	227	}
	228	}
	229	fclose(f);
	230
	231	if (vsPreprocessTransforms(td, &tc->trans) != VS_OK) {
	232	av_log(ctx, AV_LOG_ERROR, "error while preprocessing transforms\n");
	233	return AVERROR(EINVAL);
	234	}
	235
	236	// TODO: add sharpening, so far the user needs to call the unsharp filter manually
	237	return 0;
	238	}
	239
	240
	241	static int filter_frame(AVFilterLink inlink, AVFrame in)
	242	{
	243	AVFilterContext *ctx = inlink->dst;
	244	TransformContext *tc = ctx->priv;
	245	VSTransformData* td = &(tc->td);
	246
	247	AVFilterLink *outlink = inlink->dst->outputs[0];
	248	int direct = 0;
	249	AVFrame *out;
	250	VSFrame inframe;
	251	int plane;
	252
	253	if (av_frame_is_writable(in)) {
	254	direct = 1;
	255	out = in;
	256	} else {
	257	out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
	258	if (!out) {
	259	av_frame_free(&in);
	260	return AVERROR(ENOMEM);
	261	}
	262	av_frame_copy_props(out, in);
	263	}
	264
	265	for (plane = 0; plane < vsTransformGetSrcFrameInfo(td)->planes; plane++) {
	266	inframe.data[plane] = in->data[plane];
	267	inframe.linesize[plane] = in->linesize[plane];
	268	}
	269	if (direct) {
	270	vsTransformPrepare(td, &inframe, &inframe);
	271	} else { // separate frames
	272	VSFrame outframe;
	273	for (plane = 0; plane < vsTransformGetDestFrameInfo(td)->planes; plane++) {
	274	outframe.data[plane] = out->data[plane];
	275	outframe.linesize[plane] = out->linesize[plane];
	276	}
	277	vsTransformPrepare(td, &inframe, &outframe);
278	}
279
280	vsDoTransform(td, vsGetNextTransform(td, &tc->trans));
281
282	vsTransformFinish(td);
283
284	if (!direct)
285	av_frame_free(&in);
286
287	return ff_filter_frame(outlink, out);
288	}
289
290	static const AVFilterPad avfilter_vf_vidstabtransform_inputs[] = {
291	{
292	.name = "default",
293	.type = AVMEDIA_TYPE_VIDEO,
294	.filter_frame = filter_frame,
295	.config_props = config_input,
296	},
297	{ NULL }
298	};
299
300	static const AVFilterPad avfilter_vf_vidstabtransform_outputs[] = {
301	{
302	.name = "default",
303	.type = AVMEDIA_TYPE_VIDEO,
304	},
305	{ NULL }
306	};
307
308	AVFilter ff_vf_vidstabtransform = {
309	.name = "vidstabtransform",
310	.description = NULL_IF_CONFIG_SMALL("Transform the frames, "
311	"pass 2 of 2 for stabilization "
312	"(see vidstabdetect for pass 1)."),
313	.priv_size = sizeof(TransformContext),
314	.init = init,
315	.uninit = uninit,
316	.query_formats = query_formats,
317	.inputs = avfilter_vf_vidstabtransform_inputs,
318	.outputs = avfilter_vf_vidstabtransform_outputs,
319	.priv_class = &vidstabtransform_class,
320	};