* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "libavcodec/imgconvert.h"
#include "avfilter.h"
/* TODO: buffer pool. see comment for avfilter_default_get_video_buffer() */
void avfilter_default_free_video_buffer(AVFilterPic *pic)
{
- avpicture_free((AVPicture *) pic);
+ av_free(pic->data[0]);
av_free(pic);
}
{
AVFilterPic *pic = av_mallocz(sizeof(AVFilterPic));
AVFilterPicRef *ref = av_mallocz(sizeof(AVFilterPicRef));
+ int i, tempsize;
+ char *buf;
ref->pic = pic;
ref->w = link->w;
ref->h = link->h;
- ref->perms = perms;
+
+ /* make sure the buffer gets read permission or it's useless for output */
+ ref->perms = perms | AV_PERM_READ;
pic->refcount = 1;
pic->format = link->format;
pic->free = avfilter_default_free_video_buffer;
- avpicture_alloc((AVPicture *)pic, pic->format, ref->w, ref->h);
+ ff_fill_linesize((AVPicture *)pic, pic->format, ref->w);
+
+ for (i=0; i<4;i++)
+ pic->linesize[i] = FFALIGN(pic->linesize[i], 16);
+
+ tempsize = ff_fill_pointer((AVPicture *)pic, NULL, pic->format, ref->h);
+ buf = av_malloc(tempsize);
+ ff_fill_pointer((AVPicture *)pic, buf, pic->format, ref->h);
memcpy(ref->data, pic->data, sizeof(pic->data));
memcpy(ref->linesize, pic->linesize, sizeof(pic->linesize));
}
}
+void avfilter_default_draw_slice(AVFilterLink *link, int y, int h)
+{
+ AVFilterLink *out = NULL;
+
+ if(link->dst->output_count)
+ out = link->dst->outputs[0];
+
+ if(out)
+ avfilter_draw_slice(out, y, h);
+}
+
void avfilter_default_end_frame(AVFilterLink *link)
{
AVFilterLink *out = NULL;
link->cur_pic = NULL;
if(out) {
- avfilter_unref_pic(out->outpic);
- out->outpic = NULL;
+ if(out->outpic) {
+ avfilter_unref_pic(out->outpic);
+ out->outpic = NULL;
+ }
avfilter_end_frame(out);
}
}
} else {
/* XXX: any non-simple filter which would cause this branch to be taken
* really should implement its own config_props() for this link. */
- link->w =
- link->h = 0;
+ return -1;
}
return 0;
}
/**
- * default config_link() implementation for input video links to simplify
- * the implementation of one input one output video filters */
-int avfilter_default_config_input_link(AVFilterLink *link)
+ * A helper for query_formats() which sets all links to the same list of
+ * formats. If there are no links hooked to this filter, the list of formats is
+ * freed.
+ *
+ * FIXME: this will need changed for filters with a mix of pad types
+ * (video + audio, etc)
+ */
+void avfilter_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats)
{
- if(!link->dst->output_count)
- return 0;
- return avfilter_config_link(link->dst->outputs[0]);
+ int count = 0, i;
+
+ for(i = 0; i < ctx->input_count; i ++) {
+ if(ctx->inputs[i]) {
+ avfilter_formats_ref(formats, &ctx->inputs[i]->out_formats);
+ count ++;
+ }
+ }
+ for(i = 0; i < ctx->output_count; i ++) {
+ if(ctx->outputs[i]) {
+ avfilter_formats_ref(formats, &ctx->outputs[i]->in_formats);
+ count ++;
+ }
+ }
+
+ if(!count) {
+ av_free(formats->formats);
+ av_free(formats->refs);
+ av_free(formats);
+ }
}
-/**
- * default query_formats() implementation for output video links to simplify
- * the implementation of one input one output video filters */
-int *avfilter_default_query_output_formats(AVFilterLink *link)
+int avfilter_default_query_formats(AVFilterContext *ctx)
{
- if(link->src->input_count && link->src->inputs[0])
- return avfilter_make_format_list(1, link->src->inputs[0]->format);
- else
- /* XXX: any non-simple filter which would cause this branch to be taken
- * really should implement its own query_formats() for this link */
- return avfilter_make_format_list(0);
+ avfilter_set_common_formats(ctx, avfilter_all_colorspaces());
+ return 0;
}