* Copyright (c) 2010 Nolan Lum <nol888@gmail.com>
* Copyright (c) 2009 Loren Merritt <lorenm@u.washignton.edu>
*
- * 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
*/
{0x54,0x34,0x4C,0x2C,0x52,0x32,0x4A,0x2A},
};
-void ff_gradfun_filter_line_c(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers)
+void ff_gradfun_filter_line_c(uint8_t *dst, const uint8_t *src, const uint16_t *dc, int width, int thresh, const uint16_t *dithers)
{
int x;
for (x = 0; x < width; x++, dc += x & 1) {
}
}
-void ff_gradfun_blur_line_c(uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int src_linesize, int width)
+void ff_gradfun_blur_line_c(uint16_t *dc, uint16_t *buf, const uint16_t *buf1, const uint8_t *src, int src_linesize, int width)
{
int x, v, old;
for (x = 0; x < width; x++) {
}
}
-static void filter(GradFunContext *ctx, uint8_t *dst, uint8_t *src, int width, int height, int dst_linesize, int src_linesize, int r)
+static void filter(GradFunContext *ctx, uint8_t *dst, const uint8_t *src, int width, int height, int dst_linesize, int src_linesize, int r)
{
int bstride = FFALIGN(width, 16) / 2;
int y;
return 0;
}
-static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
-{
- AVFilterLink *outlink = inlink->dst->outputs[0];
- AVFilterBufferRef *outpicref = NULL, *for_next_filter;
- int ret = 0;
-
- if (inpicref->perms & AV_PERM_PRESERVE) {
- outpicref = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
- if (!outpicref)
- return AVERROR(ENOMEM);
-
- avfilter_copy_buffer_ref_props(outpicref, inpicref);
- outpicref->video->w = outlink->w;
- outpicref->video->h = outlink->h;
- } else {
- outpicref = avfilter_ref_buffer(inpicref, ~0);
- if (!outpicref)
- return AVERROR(ENOMEM);
- }
-
- for_next_filter = avfilter_ref_buffer(outpicref, ~0);
- if (for_next_filter)
- ret = ff_start_frame(outlink, for_next_filter);
- else
- ret = AVERROR(ENOMEM);
-
- if (ret < 0) {
- avfilter_unref_bufferp(&outpicref);
- return ret;
- }
-
- outlink->out_buf = outpicref;
- return 0;
-}
-
static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
{
return 0;
.inputs = (const AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_input,
- .start_frame = start_frame,
+ .start_frame = ff_inplace_start_frame,
.draw_slice = null_draw_slice,
.end_frame = end_frame,
.min_perms = AV_PERM_READ, },