void avfilter_unref_buffer(AVFilterBufferRef *ref)
{
- if(!(--ref->buf->refcount))
+ if (!(--ref->buf->refcount))
ref->buf->free(ref->buf);
av_free(ref->video);
av_free(ref->audio);
memcpy(*pads+idx, newpad, sizeof(AVFilterPad));
(*links)[idx] = NULL;
- (*count) ++;
- for(i = idx+1; i < *count; i ++)
- if(*links[i])
- (*(unsigned *)((uint8_t *) *links[i] + padidx_off)) ++;
+ (*count)++;
+ for (i = idx+1; i < *count; i++)
+ if (*links[i])
+ (*(unsigned *)((uint8_t *) *links[i] + padidx_off))++;
}
int avfilter_link(AVFilterContext *src, unsigned srcpad,
{
AVFilterLink *link;
- if(src->output_count <= srcpad || dst->input_count <= dstpad ||
- src->outputs[srcpad] || dst->inputs[dstpad])
+ if (src->output_count <= srcpad || dst->input_count <= dstpad ||
+ src->outputs[srcpad] || dst->inputs[dstpad])
return -1;
src->outputs[srcpad] =
filt->name, link->src->name, link->dst->name);
link->dst->inputs[link->dstpad] = NULL;
- if(avfilter_link(filt, out, link->dst, link->dstpad)) {
+ if (avfilter_link(filt, out, link->dst, link->dstpad)) {
/* failed to link output filter to new filter */
link->dst->inputs[link->dstpad] = link;
return -1;
/* if any information on supported media formats already exists on the
* link, we need to preserve that */
- if(link->out_formats)
+ if (link->out_formats)
avfilter_formats_changeref(&link->out_formats,
&filt->outputs[out]->out_formats);
int (*config_link)(AVFilterLink *);
unsigned i;
- for(i = 0; i < filter->input_count; i ++) {
+ for (i = 0; i < filter->input_count; i ++) {
AVFilterLink *link = filter->inputs[i];
- if(!link) continue;
+ if (!link) continue;
- switch(link->init_state) {
+ switch (link->init_state) {
case AVLINK_INIT:
continue;
case AVLINK_STARTINIT:
case AVLINK_UNINIT:
link->init_state = AVLINK_STARTINIT;
- if(avfilter_config_links(link->src))
+ if (avfilter_config_links(link->src))
return -1;
- if(!(config_link = link_spad(link).config_props))
+ if (!(config_link = link_spad(link).config_props))
config_link = avfilter_default_config_output_link;
- if(config_link(link))
+ if (config_link(link))
return -1;
- if((config_link = link_dpad(link).config_props))
- if(config_link(link))
+ if ((config_link = link_dpad(link).config_props))
+ if (config_link(link))
return -1;
link->init_state = AVLINK_INIT;
FF_DPRINTF_START(NULL, get_video_buffer); ff_dprintf_link(NULL, link, 0); dprintf(NULL, " perms:%d w:%d h:%d\n", perms, w, h);
- if(link_dpad(link).get_video_buffer)
+ if (link_dpad(link).get_video_buffer)
ret = link_dpad(link).get_video_buffer(link, perms, w, h);
- if(!ret)
+ if (!ret)
ret = avfilter_default_get_video_buffer(link, perms, w, h);
if (ret)
{
FF_DPRINTF_START(NULL, request_frame); ff_dprintf_link(NULL, link, 1);
- if(link_spad(link).request_frame)
+ if (link_spad(link).request_frame)
return link_spad(link).request_frame(link);
- else if(link->src->inputs[0])
+ else if (link->src->inputs[0])
return avfilter_request_frame(link->src->inputs[0]);
else return -1;
}
int avfilter_poll_frame(AVFilterLink *link)
{
- int i, min=INT_MAX;
+ int i, min = INT_MAX;
- if(link_spad(link).poll_frame)
+ if (link_spad(link).poll_frame)
return link_spad(link).poll_frame(link);
- for (i=0; i<link->src->input_count; i++) {
+ for (i = 0; i < link->src->input_count; i++) {
int val;
- if(!link->src->inputs[i])
+ if (!link->src->inputs[i])
return -1;
val = avfilter_poll_frame(link->src->inputs[i]);
min = FFMIN(min, val);
FF_DPRINTF_START(NULL, start_frame); ff_dprintf_link(NULL, link, 0); dprintf(NULL, " "); ff_dprintf_picref(NULL, picref, 1);
- if(!(start_frame = dst->start_frame))
+ if (!(start_frame = dst->start_frame))
start_frame = avfilter_default_start_frame;
/* prepare to copy the picture if it has insufficient permissions */
- if((dst->min_perms & picref->perms) != dst->min_perms ||
- dst->rej_perms & picref->perms) {
+ if ((dst->min_perms & picref->perms) != dst->min_perms ||
+ dst->rej_perms & picref->perms) {
/*
av_log(link->dst, AV_LOG_INFO,
"frame copy needed (have perms %x, need %x, reject %x)\n",
{
void (*end_frame)(AVFilterLink *);
- if(!(end_frame = link_dpad(link).end_frame))
+ if (!(end_frame = link_dpad(link).end_frame))
end_frame = avfilter_default_end_frame;
end_frame(link);
/* unreference the source picture if we're feeding the destination filter
* a copied version dues to permission issues */
- if(link->src_buf) {
+ if (link->src_buf) {
avfilter_unref_buffer(link->src_buf);
link->src_buf = NULL;
}
-
}
void avfilter_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
FF_DPRINTF_START(NULL, draw_slice); ff_dprintf_link(NULL, link, 0); dprintf(NULL, " y:%d h:%d dir:%d\n", y, h, slice_dir);
/* copy the slice if needed for permission reasons */
- if(link->src_buf) {
+ if (link->src_buf) {
vsub = av_pix_fmt_descriptors[link->format].log2_chroma_h;
- for(i = 0; i < 4; i ++) {
- if(link->src_buf->data[i]) {
+ for (i = 0; i < 4; i++) {
+ if (link->src_buf->data[i]) {
src[i] = link->src_buf-> data[i] +
(y >> (i==0 ? 0 : vsub)) * link->src_buf-> linesize[i];
dst[i] = link->cur_buf->data[i] +
src[i] = dst[i] = NULL;
}
- for(i = 0; i < 4; i ++) {
+ for (i = 0; i < 4; i++) {
int planew =
av_get_image_linesize(link->format, link->cur_buf->video->w, i);
- if(!src[i]) continue;
+ if (!src[i]) continue;
- for(j = 0; j < h >> (i==0 ? 0 : vsub); j ++) {
+ for (j = 0; j < h >> (i==0 ? 0 : vsub); j++) {
memcpy(dst[i], src[i], planew);
- src[i] += link->src_buf ->linesize[i];
+ src[i] += link->src_buf->linesize[i];
dst[i] += link->cur_buf->linesize[i];
}
}
}
- if(!(draw_slice = link_dpad(link).draw_slice))
+ if (!(draw_slice = link_dpad(link).draw_slice))
draw_slice = avfilter_default_draw_slice;
draw_slice(link, y, h, slice_dir);
}
{
int i;
- if(filter->filter->uninit)
+ if (filter->filter->uninit)
filter->filter->uninit(filter);
- for(i = 0; i < filter->input_count; i ++) {
- if(filter->inputs[i]) {
+ for (i = 0; i < filter->input_count; i++) {
+ if (filter->inputs[i]) {
if (filter->inputs[i]->src)
filter->inputs[i]->src->outputs[filter->inputs[i]->srcpad] = NULL;
avfilter_formats_unref(&filter->inputs[i]->in_formats);
}
av_freep(&filter->inputs[i]);
}
- for(i = 0; i < filter->output_count; i ++) {
- if(filter->outputs[i]) {
+ for (i = 0; i < filter->output_count; i++) {
+ if (filter->outputs[i]) {
if (filter->outputs[i]->dst)
filter->outputs[i]->dst->inputs[filter->outputs[i]->dstpad] = NULL;
avfilter_formats_unref(&filter->outputs[i]->in_formats);
{
int ret=0;
- if(filter->filter->init)
+ if (filter->filter->init)
ret = filter->filter->init(filter, args, opaque);
return ret;
}