summaryrefslogtreecommitdiff
path: root/libavfilter/vf_frei0r.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavfilter/vf_frei0r.c')
-rw-r--r--libavfilter/vf_frei0r.c108
1 files changed, 67 insertions, 41 deletions
diff --git a/libavfilter/vf_frei0r.c b/libavfilter/vf_frei0r.c
index 7e79b28f8f..9a0ddd21e2 100644
--- a/libavfilter/vf_frei0r.c
+++ b/libavfilter/vf_frei0r.c
@@ -1,19 +1,19 @@
/*
* 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
*/
@@ -139,6 +139,9 @@ static int set_params(AVFilterContext *ctx, const char *params)
Frei0rContext *s = ctx->priv;
int i;
+ if (!params)
+ return 0;
+
for (i = 0; i < s->plugin_info.num_params; i++) {
f0r_param_info_t info;
char *param;
@@ -208,13 +211,15 @@ static int set_params(AVFilterContext *ctx, const char *params)
return 0;
}
-static void *load_path(AVFilterContext *ctx, const char *prefix, const char *name)
+static int load_path(AVFilterContext *ctx, void **handle_ptr, const char *prefix, const char *name)
{
- char path[1024];
-
- snprintf(path, sizeof(path), "%s%s%s", prefix, name, SLIBSUF);
+ char *path = av_asprintf("%s%s%s", prefix, name, SLIBSUF);
+ if (!path)
+ return AVERROR(ENOMEM);
av_log(ctx, AV_LOG_DEBUG, "Looking for frei0r effect in '%s'\n", path);
- return dlopen(path, RTLD_NOW|RTLD_LOCAL);
+ *handle_ptr = dlopen(path, RTLD_NOW|RTLD_LOCAL);
+ av_free(path);
+ return 0;
}
static av_cold int frei0r_init(AVFilterContext *ctx,
@@ -225,29 +230,60 @@ static av_cold int frei0r_init(AVFilterContext *ctx,
f0r_get_plugin_info_f f0r_get_plugin_info;
f0r_plugin_info_t *pi;
char *path;
+ int ret = 0;
if (!dl_name) {
av_log(ctx, AV_LOG_ERROR, "No filter name provided.\n");
return AVERROR(EINVAL);
}
- /* see: http://piksel.org/frei0r/1.2/spec/1.2/spec/group__pluglocations.html */
+ /* see: http://frei0r.dyne.org/codedoc/html/group__pluglocations.html */
if ((path = av_strdup(getenv("FREI0R_PATH")))) {
+#ifdef _WIN32
+ const char *separator = ";";
+#else
+ const char *separator = ":";
+#endif
char *p, *ptr = NULL;
- for (p = path; p = strtok_r(p, ":", &ptr); p = NULL)
- if (s->dl_handle = load_path(ctx, p, dl_name))
+ for (p = path; p = av_strtok(p, separator, &ptr); p = NULL) {
+ /* add additional trailing slash in case it is missing */
+ char *p1 = av_asprintf("%s/", p);
+ if (!p1) {
+ ret = AVERROR(ENOMEM);
+ goto check_path_end;
+ }
+ ret = load_path(ctx, &s->dl_handle, p1, dl_name);
+ av_free(p1);
+ if (ret < 0)
+ goto check_path_end;
+ if (s->dl_handle)
break;
+ }
+
+ check_path_end:
av_free(path);
+ if (ret < 0)
+ return ret;
}
if (!s->dl_handle && (path = getenv("HOME"))) {
- char prefix[1024];
- snprintf(prefix, sizeof(prefix), "%s/.frei0r-1/lib/", path);
- s->dl_handle = load_path(ctx, prefix, dl_name);
+ char *prefix = av_asprintf("%s/.frei0r-1/lib/", path);
+ if (!prefix)
+ return AVERROR(ENOMEM);
+ ret = load_path(ctx, &s->dl_handle, prefix, dl_name);
+ av_free(prefix);
+ if (ret < 0)
+ return ret;
+ }
+ if (!s->dl_handle) {
+ ret = load_path(ctx, &s->dl_handle, "/usr/local/lib/frei0r-1/", dl_name);
+ if (ret < 0)
+ return ret;
+ }
+ if (!s->dl_handle) {
+ ret = load_path(ctx, &s->dl_handle, "/usr/lib/frei0r-1/", dl_name);
+ if (ret < 0)
+ return ret;
}
- if (!s->dl_handle)
- s->dl_handle = load_path(ctx, "/usr/local/lib/frei0r-1/", dl_name);
- if (!s->dl_handle)
- s->dl_handle = load_path(ctx, "/usr/lib/frei0r-1/", dl_name);
if (!s->dl_handle) {
av_log(ctx, AV_LOG_ERROR, "Could not find module '%s'\n", dl_name);
return AVERROR(EINVAL);
@@ -265,7 +301,7 @@ static av_cold int frei0r_init(AVFilterContext *ctx,
return AVERROR(EINVAL);
if (f0r_init() < 0) {
- av_log(ctx, AV_LOG_ERROR, "Could not init the frei0r module");
+ av_log(ctx, AV_LOG_ERROR, "Could not init the frei0r module\n");
return AVERROR(EINVAL);
}
@@ -320,7 +356,7 @@ static int config_input_props(AVFilterLink *inlink)
if (s->destruct && s->instance)
s->destruct(s->instance);
if (!(s->instance = s->construct(inlink->w, inlink->h))) {
- av_log(ctx, AV_LOG_ERROR, "Impossible to load frei0r instance");
+ av_log(ctx, AV_LOG_ERROR, "Impossible to load frei0r instance\n");
return AVERROR(EINVAL);
}
@@ -373,19 +409,14 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
}
#define OFFSET(x) offsetof(Frei0rContext, x)
-#define FLAGS AV_OPT_FLAG_VIDEO_PARAM
-static const AVOption filter_options[] = {
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
+static const AVOption frei0r_options[] = {
{ "filter_name", NULL, OFFSET(dl_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
{ "filter_params", NULL, OFFSET(params), AV_OPT_TYPE_STRING, .flags = FLAGS },
{ NULL },
};
-static const AVClass filter_class = {
- .class_name = "frei0r",
- .item_name = av_default_item_name,
- .option = filter_options,
- .version = LIBAVUTIL_VERSION_INT,
-};
+AVFILTER_DEFINE_CLASS(frei0r);
static const AVFilterPad avfilter_vf_frei0r_inputs[] = {
{
@@ -414,7 +445,7 @@ AVFilter avfilter_vf_frei0r = {
.uninit = uninit,
.priv_size = sizeof(Frei0rContext),
- .priv_class = &filter_class,
+ .priv_class = &frei0r_class,
.inputs = avfilter_vf_frei0r_inputs,
@@ -431,8 +462,7 @@ static av_cold int source_init(AVFilterContext *ctx)
return AVERROR(EINVAL);
}
- if (av_parse_video_rate(&frame_rate_q, s->framerate) < 0 ||
- frame_rate_q.den <= 0 || frame_rate_q.num <= 0) {
+ if (av_parse_video_rate(&frame_rate_q, s->framerate) < 0) {
av_log(ctx, AV_LOG_ERROR, "Invalid frame rate: '%s'\n", s->framerate);
return AVERROR(EINVAL);
}
@@ -452,11 +482,12 @@ static int source_config_props(AVFilterLink *outlink)
outlink->w = s->w;
outlink->h = s->h;
outlink->time_base = s->time_base;
+ outlink->sample_aspect_ratio = (AVRational){1,1};
if (s->destruct && s->instance)
s->destruct(s->instance);
if (!(s->instance = s->construct(outlink->w, outlink->h))) {
- av_log(ctx, AV_LOG_ERROR, "Impossible to load frei0r instance");
+ av_log(ctx, AV_LOG_ERROR, "Impossible to load frei0r instance\n");
return AVERROR(EINVAL);
}
@@ -480,7 +511,7 @@ static int source_request_frame(AVFilterLink *outlink)
return ff_filter_frame(outlink, frame);
}
-static const AVOption src_options[] = {
+static const AVOption frei0r_src_options[] = {
{ "size", "Dimensions of the generated video.", OFFSET(size), AV_OPT_TYPE_STRING, { .str = "" }, .flags = FLAGS },
{ "framerate", NULL, OFFSET(framerate), AV_OPT_TYPE_STRING, { .str = "25" }, .flags = FLAGS },
{ "filter_name", NULL, OFFSET(dl_name), AV_OPT_TYPE_STRING, .flags = FLAGS },
@@ -488,12 +519,7 @@ static const AVOption src_options[] = {
{ NULL },
};
-static const AVClass src_class = {
- .class_name = "frei0r_src",
- .item_name = av_default_item_name,
- .option = src_options,
- .version = LIBAVUTIL_VERSION_INT,
-};
+AVFILTER_DEFINE_CLASS(frei0r_src);
static const AVFilterPad avfilter_vsrc_frei0r_src_outputs[] = {
{
@@ -510,7 +536,7 @@ AVFilter avfilter_vsrc_frei0r_src = {
.description = NULL_IF_CONFIG_SMALL("Generate a frei0r source."),
.priv_size = sizeof(Frei0rContext),
- .priv_class = &src_class,
+ .priv_class = &frei0r_src_class,
.init = source_init,
.uninit = uninit,
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-25 12:19:17 +0000