[PATCH] Add frei0r filter.
Stefano Sabatini
stefano.sabatini-lala
Tue Aug 24 19:48:57 CEST 2010
---
configure | 8 ++
libavfilter/Makefile | 1 +
libavfilter/allfilters.c | 1 +
libavfilter/vf_frei0r.c | 200 ++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 210 insertions(+), 0 deletions(-)
create mode 100644 libavfilter/vf_frei0r.c
diff --git a/configure b/configure
index 9f2cfaa..db98065 100755
--- a/configure
+++ b/configure
@@ -162,6 +162,7 @@ Configuration options:
External library support:
--enable-avisynth enable reading of AVISynth script files [no]
--enable-bzlib enable bzlib [autodetect]
+ --enable-frei0r enable frei0r video filtering
--enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
--enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
--enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
@@ -863,6 +864,7 @@ CONFIG_LIST="
ffprobe
ffserver
fft
+ frei0r
golomb
gpl
gray
@@ -997,6 +999,7 @@ HAVE_LIST="
fast_cmov
fcntl
fork
+ frei0r
getaddrinfo
gethrtime
GetProcessMemoryInfo
@@ -1370,6 +1373,9 @@ vfwcap_indev_extralibs="-lavicap32"
x11_grab_device_indev_deps="x11grab XShmCreateImage"
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
+# filters
+frei0r_filter_deps="frei0r dlopen"
+
# protocols
gopher_protocol_deps="network"
http_protocol_deps="network"
@@ -2682,6 +2688,7 @@ check_mathfunc truncf
# these are off by default, so fail if requested and not available
enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
+enabled frei0r && check_header frei0r.h
enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
@@ -2964,6 +2971,7 @@ echo "threading support ${thread_type-no}"
echo "SDL support ${sdl-no}"
echo "Sun medialib support ${mlib-no}"
echo "AVISynth enabled ${avisynth-no}"
+echo "frei0r enabled ${frei0r-no}"
echo "libdc1394 support ${libdc1394-no}"
echo "libdirac enabled ${libdirac-no}"
echo "libfaac enabled ${libfaac-no}"
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index d2a40c4..860049c 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -20,6 +20,7 @@ OBJS-$(CONFIG_ASPECT_FILTER) += vf_aspect.o
OBJS-$(CONFIG_CROP_FILTER) += vf_crop.o
OBJS-$(CONFIG_FIFO_FILTER) += vf_fifo.o
OBJS-$(CONFIG_FORMAT_FILTER) += vf_format.o
+OBJS-$(CONFIG_FREI0R_FILTER) += vf_frei0r.o
OBJS-$(CONFIG_HFLIP_FILTER) += vf_hflip.o
OBJS-$(CONFIG_NOFORMAT_FILTER) += vf_format.o
OBJS-$(CONFIG_NULL_FILTER) += vf_null.o
diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index 27442f6..aa3f9e7 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -40,6 +40,7 @@ void avfilter_register_all(void)
REGISTER_FILTER (CROP, crop, vf);
REGISTER_FILTER (FIFO, fifo, vf);
REGISTER_FILTER (FORMAT, format, vf);
+ REGISTER_FILTER (FREI0R, frei0r, vf);
REGISTER_FILTER (HFLIP, hflip, vf);
REGISTER_FILTER (NOFORMAT, noformat, vf);
REGISTER_FILTER (NULL, null, vf);
diff --git a/libavfilter/vf_frei0r.c b/libavfilter/vf_frei0r.c
new file mode 100644
index 0000000..3972760
--- /dev/null
+++ b/libavfilter/vf_frei0r.c
@@ -0,0 +1,200 @@
+/*
+ * Stefano Sabatini 2010
+ * 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
+ */
+
+/**
+ * @file
+ * frei0r wrapper
+ */
+
+#include <dlfcn.h>
+#include <frei0r.h>
+#include "avfilter.h"
+
+typedef f0r_instance_t (*f0r_construct_f)(unsigned int width, unsigned int height);
+typedef void (*f0r_destruct_f)(f0r_instance_t instance);
+typedef void (*f0r_deinit_f)(void);
+typedef int (*f0r_init_f)(void);
+typedef void (*f0r_get_plugin_info_f)(f0r_plugin_info_t *info);
+typedef void (*f0r_get_param_info_f)(f0r_param_info_t *info, int param_index);
+typedef void (*f0r_update_f)(f0r_instance_t instance, double time, const uint32_t *inframe, uint32_t *outframe);
+typedef void (*f0r_update2_f)(f0r_instance_t instance, double time, const uint32_t *inframe1, const uint32_t *inframe2, const uint32_t *inframe3, uint32_t *outframe);
+typedef void (*f0r_set_param_value_f)(f0r_instance_t *instance, f0r_param_t *param, int param_index);
+
+typedef struct Frei0rContext {
+ f0r_update_f update;
+ void *dll;
+ char dll_filename[128];
+ f0r_instance_t instance;
+ f0r_plugin_info_t plugin_info;
+} Frei0rContext;
+
+static void *load_sym(AVFilterContext *ctx, const char *sym_name)
+{
+ Frei0rContext *frei0r = ctx->priv;
+ void *sym = dlsym(frei0r->dll, sym_name);
+ if (!sym)
+ av_log(ctx, AV_LOG_ERROR,
+ "Could not find symbol '%s' in module '%s'\n", sym_name, frei0r->dll_filename);
+ return sym;
+}
+
+static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
+{
+ Frei0rContext *frei0r = ctx->priv;
+ f0r_init_f f0r_init;
+ f0r_get_plugin_info_f f0r_get_plugin_info;
+ f0r_plugin_info_t *pi;
+
+ if (args)
+ sscanf(args, "%127s", frei0r->dll_filename);
+
+ if (!(frei0r->dll = dlopen(frei0r->dll_filename, RTLD_NOW))) {
+ av_log(ctx, AV_LOG_ERROR,
+ "Could not load module '%s': %s\n", frei0r->dll_filename, dlerror());
+ return AVERROR(EINVAL);
+ }
+
+ if (!(frei0r->update = load_sym(ctx, "f0r_update")))
+ return AVERROR(EINVAL);
+
+ if (!(f0r_init = load_sym(ctx, "f0r_init")))
+ return AVERROR(EINVAL);
+ if (f0r_init() < 0) {
+ av_log(ctx, AV_LOG_ERROR, "Could not init the frei0r module");
+ return AVERROR(EINVAL);
+ }
+
+ if (!(f0r_get_plugin_info = load_sym(ctx, "f0r_get_plugin_info")))
+ return AVERROR(EINVAL);
+ f0r_get_plugin_info(&frei0r->plugin_info);
+
+ pi = &(frei0r->plugin_info);
+ if (pi->plugin_type != F0R_PLUGIN_TYPE_FILTER) {
+ av_log(ctx, AV_LOG_ERROR, "Invalid type for the plugin, not a filter plugin\n");
+ return AVERROR(EINVAL);
+ }
+
+ av_log(ctx, AV_LOG_INFO,
+ "name:%s author:'%s' explanation:'%s'\n"
+ "color_model:%s frei0r_version:%d version:%d.%d num_params:%d\n",
+ pi->name, pi->author, pi->explanation,
+ pi->color_model == F0R_COLOR_MODEL_BGRA8888 ? "bgra8888" :
+ pi->color_model == F0R_COLOR_MODEL_RGBA8888 ? "rgba8888" :
+ pi->color_model == F0R_COLOR_MODEL_PACKED32 ? "packed32" : "unknown",
+ pi->frei0r_version, pi->major_version, pi->minor_version, pi->num_params);
+ return 0;
+}
+
+static av_cold void uninit(AVFilterContext *ctx)
+{
+ Frei0rContext *frei0r = ctx->priv;
+ f0r_destruct_f f0r_destruct;
+ f0r_deinit_f f0r_deinit;
+
+ if ((f0r_destruct = load_sym(ctx, "f0r_destruct")))
+ f0r_destruct(frei0r->instance);
+ frei0r->instance = NULL;
+
+ if ((f0r_deinit = load_sym(ctx, "f0r_deinit")))
+ f0r_deinit();
+
+ frei0r->update = NULL;
+
+ if (frei0r->dll)
+ dlclose(frei0r->dll);
+ frei0r->dll = NULL;
+}
+
+static int config_input_props(AVFilterLink *inlink)
+{
+ AVFilterContext *ctx = inlink->dst;
+ Frei0rContext *frei0r = ctx->priv;
+ f0r_construct_f f0r_construct;
+ if (!(f0r_construct = load_sym(ctx, "f0r_construct")))
+ return AVERROR(EINVAL);
+
+ if (!(frei0r->instance = f0r_construct(inlink->w, inlink->h))) {
+ av_log(ctx, AV_LOG_ERROR, "Impossible to load frei0r instance");
+ return AVERROR(EINVAL);
+ }
+
+ return 0;
+}
+
+static int query_formats(AVFilterContext *ctx)
+{
+ Frei0rContext *frei0r = ctx->priv;
+ AVFilterFormats *formats = NULL;
+
+ if (frei0r->plugin_info.color_model == F0R_COLOR_MODEL_BGRA8888)
+ avfilter_add_format(&formats, PIX_FMT_BGRA);
+ else if (frei0r->plugin_info.color_model == F0R_COLOR_MODEL_RGBA8888)
+ avfilter_add_format(&formats, PIX_FMT_RGBA);
+ else { /* F0R_COLOR_MODEL_PACKED32 */
+ static const enum PixelFormat pix_fmts[] = {
+ PIX_FMT_BGRA, PIX_FMT_ARGB, PIX_FMT_ABGR, PIX_FMT_ARGB, PIX_FMT_NONE
+ };
+ formats = avfilter_make_format_list(pix_fmts);
+ }
+
+ if (!formats)
+ return AVERROR(ENOMEM);
+
+ avfilter_set_common_formats(ctx, formats);
+ return 0;
+}
+
+static void draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir) { }
+
+static void end_frame(AVFilterLink *inlink)
+{
+ Frei0rContext *frei0r = inlink->dst->priv;
+ AVFilterLink *outlink = inlink->dst->outputs[0];
+ AVFilterBufferRef * inpicref = inlink ->cur_buf;
+ AVFilterBufferRef *outpicref = outlink->out_buf;
+
+ frei0r->update(frei0r->instance, (double)inpicref->pts / AV_TIME_BASE,
+ (const uint32_t *)inpicref->data[0],
+ (uint32_t *)outpicref->data[0]);
+ avfilter_draw_slice(outlink, 0, outlink->h, 1);
+ avfilter_end_frame(outlink);
+}
+
+AVFilter avfilter_vf_frei0r = {
+ .name = "frei0r",
+ .description = NULL_IF_CONFIG_SMALL("Apply a frei0r effect."),
+
+ .query_formats = query_formats,
+ .init = init,
+ .uninit = uninit,
+
+ .priv_size = sizeof(Frei0rContext),
+
+ .inputs = (AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .draw_slice = draw_slice,
+ .config_props = config_input_props,
+ .end_frame = end_frame,
+ .min_perms = AV_PERM_READ },
+ { .name = NULL}},
+
+ .outputs = (AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO, },
+ { .name = NULL}},
+};
--
1.7.1
--lrZ03NoBR/3+SXJZ--
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