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Diffstat (limited to 'libavfilter/vf_libopencv.c')
-rw-r--r--libavfilter/vf_libopencv.c84
1 files changed, 46 insertions, 38 deletions
diff --git a/libavfilter/vf_libopencv.c b/libavfilter/vf_libopencv.c
index 5a97e4bfb6..8128030b8c 100644
--- a/libavfilter/vf_libopencv.c
+++ b/libavfilter/vf_libopencv.c
@@ -1,20 +1,20 @@
/*
* Copyright (c) 2010 Stefano Sabatini
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -23,8 +23,14 @@
* libopencv wrapper functions
*/
+#include "config.h"
+#if HAVE_OPENCV2_CORE_CORE_C_H
+#include <opencv2/core/core_c.h>
+#include <opencv2/imgproc/imgproc_c.h>
+#else
#include <opencv/cv.h>
#include <opencv/cxcore.h>
+#endif
#include "libavutil/avstring.h"
#include "libavutil/common.h"
#include "libavutil/file.h"
@@ -63,9 +69,10 @@ static int query_formats(AVFilterContext *ctx)
static const enum AVPixelFormat pix_fmts[] = {
AV_PIX_FMT_BGR24, AV_PIX_FMT_BGRA, AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE
};
-
- ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
- return 0;
+ AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
+ if (!fmts_list)
+ return AVERROR(ENOMEM);
+ return ff_set_common_formats(ctx, fmts_list);
}
typedef struct OCVContext {
@@ -150,7 +157,8 @@ static int read_shape_from_file(int *cols, int *rows, int **values, const char *
if (buf[i] == '\n') {
if (*rows == INT_MAX) {
av_log(log_ctx, AV_LOG_ERROR, "Overflow on the number of rows in the file\n");
- return AVERROR_INVALIDDATA;
+ ret = AVERROR_INVALIDDATA;
+ goto end;
}
++(*rows);
*cols = FFMAX(*cols, w);
@@ -164,10 +172,13 @@ static int read_shape_from_file(int *cols, int *rows, int **values, const char *
if (*rows > (SIZE_MAX / sizeof(int) / *cols)) {
av_log(log_ctx, AV_LOG_ERROR, "File with size %dx%d is too big\n",
*rows, *cols);
- return AVERROR_INVALIDDATA;
+ ret = AVERROR_INVALIDDATA;
+ goto end;
+ }
+ if (!(*values = av_mallocz_array(sizeof(int) * *rows, *cols))) {
+ ret = AVERROR(ENOMEM);
+ goto end;
}
- if (!(*values = av_mallocz(sizeof(int) * *rows * *cols)))
- return AVERROR(ENOMEM);
/* fill *values */
p = buf;
@@ -181,6 +192,8 @@ static int read_shape_from_file(int *cols, int *rows, int **values, const char *
(*values)[*cols*i + j] = !!av_isgraph(*(p++));
}
}
+
+end:
av_file_unmap(buf, size);
#ifdef DEBUG
@@ -265,10 +278,9 @@ static av_cold int dilate_init(AVFilterContext *ctx, const char *args)
const char *buf = args;
int ret;
- dilate->nb_iterations = 1;
-
if (args) {
kernel_str = av_get_token(&buf, "|");
+
if (!kernel_str)
return AVERROR(ENOMEM);
}
@@ -281,7 +293,8 @@ static av_cold int dilate_init(AVFilterContext *ctx, const char *args)
if (ret < 0)
return ret;
- sscanf(buf, "|%d", &dilate->nb_iterations);
+ if (!buf || sscanf(buf, "|%d", &dilate->nb_iterations) != 1)
+ dilate->nb_iterations = 1;
av_log(ctx, AV_LOG_VERBOSE, "iterations_nb:%d\n", dilate->nb_iterations);
if (dilate->nb_iterations <= 0) {
av_log(ctx, AV_LOG_ERROR, "Invalid non-positive value '%d' for nb_iterations\n",
@@ -332,6 +345,10 @@ static av_cold int init(AVFilterContext *ctx)
OCVContext *s = ctx->priv;
int i;
+ if (!s->name) {
+ av_log(ctx, AV_LOG_ERROR, "No libopencv filter name specified\n");
+ return AVERROR(EINVAL);
+ }
for (i = 0; i < FF_ARRAY_ELEMS(ocv_filter_entries); i++) {
const OCVFilterEntry *entry = &ocv_filter_entries[i];
if (!strcmp(s->name, entry->name)) {
@@ -355,7 +372,7 @@ static av_cold void uninit(AVFilterContext *ctx)
if (s->uninit)
s->uninit(ctx);
- av_free(s->priv);
+ av_freep(&s->priv);
}
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
@@ -384,24 +401,19 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
}
#define OFFSET(x) offsetof(OCVContext, x)
-#define FLAGS AV_OPT_FLAG_VIDEO_PARAM
-static const AVOption options[] = {
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
+static const AVOption ocv_options[] = {
{ "filter_name", NULL, OFFSET(name), AV_OPT_TYPE_STRING, .flags = FLAGS },
{ "filter_params", NULL, OFFSET(params), AV_OPT_TYPE_STRING, .flags = FLAGS },
- { NULL },
+ { NULL }
};
-static const AVClass ocv_class = {
- .class_name = "ocv",
- .item_name = av_default_item_name,
- .option = options,
- .version = LIBAVUTIL_VERSION_INT,
-};
+AVFILTER_DEFINE_CLASS(ocv);
static const AVFilterPad avfilter_vf_ocv_inputs[] = {
{
- .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
.filter_frame = filter_frame,
},
{ NULL }
@@ -416,17 +428,13 @@ static const AVFilterPad avfilter_vf_ocv_outputs[] = {
};
AVFilter ff_vf_ocv = {
- .name = "ocv",
- .description = NULL_IF_CONFIG_SMALL("Apply transform using libopencv."),
-
- .priv_size = sizeof(OCVContext),
- .priv_class = &ocv_class,
-
+ .name = "ocv",
+ .description = NULL_IF_CONFIG_SMALL("Apply transform using libopencv."),
+ .priv_size = sizeof(OCVContext),
+ .priv_class = &ocv_class,
.query_formats = query_formats,
- .init = init,
- .uninit = uninit,
-
- .inputs = avfilter_vf_ocv_inputs,
-
- .outputs = avfilter_vf_ocv_outputs,
+ .init = init,
+ .uninit = uninit,
+ .inputs = avfilter_vf_ocv_inputs,
+ .outputs = avfilter_vf_ocv_outputs,
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-30 13:45:59 +0000