diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c index 73ccc7b6e3..cda683313b 100644 --- a/libavfilter/avfilter.c +++ b/libavfilter/avfilter.c @@ -74,7 +74,7 @@ AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask) 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); @@ -96,10 +96,10 @@ void avfilter_insert_pad(unsigned idx, unsigned *count, size_t padidx_off, 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, @@ -107,8 +107,8 @@ 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] = @@ -133,7 +133,7 @@ int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt, 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; @@ -146,7 +146,7 @@ int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt, /* 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); @@ -158,12 +158,12 @@ int avfilter_config_links(AVFilterContext *filter) 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: @@ -172,16 +172,16 @@ int avfilter_config_links(AVFilterContext *filter) 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; @@ -220,10 +220,10 @@ AVFilterBufferRef *avfilter_get_video_buffer(AVFilterLink *link, int perms, int 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) @@ -256,23 +256,23 @@ int avfilter_request_frame(AVFilterLink *link) { 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; isrc->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); @@ -290,12 +290,12 @@ void avfilter_start_frame(AVFilterLink *link, AVFilterBufferRef *picref) 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", @@ -317,18 +317,17 @@ void avfilter_end_frame(AVFilterLink *link) { 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) @@ -340,11 +339,11 @@ 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] + @@ -353,21 +352,21 @@ void avfilter_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) 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); } @@ -501,11 +500,11 @@ void avfilter_destroy(AVFilterContext *filter) { 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); @@ -513,8 +512,8 @@ void avfilter_destroy(AVFilterContext *filter) } 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); @@ -536,7 +535,7 @@ int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque { int ret=0; - if(filter->filter->init) + if (filter->filter->init) ret = filter->filter->init(filter, args, opaque); return ret; }