Use macros for better readability

Commited in SoC by Bobby Bingham on 2007-08-17 15:18:59

Originally committed as revision 12007 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-02-15 21:37:54 +00:00
parent ef35d13a84
commit 6fb0648d37

View File

@ -31,6 +31,10 @@
static int filter_count = 0;
static AVFilter **filters = NULL;
/** helper macros to get the in/out pad on the dst/src filter */
#define link_dpad(link) link->dst-> input_pads[link->dstpad]
#define link_spad(link) link->src->output_pads[link->srcpad]
AVFilterPicRef *avfilter_ref_pic(AVFilterPicRef *ref, int pmask)
{
AVFilterPicRef *ret = av_malloc(sizeof(AVFilterPicRef));
@ -100,11 +104,11 @@ int avfilter_config_link(AVFilterLink *link)
/* find a format both filters support - TODO: auto-insert conversion filter */
link->format = -1;
if(link->src->output_pads[link->srcpad].query_formats)
fmts[0] = link->src->output_pads[link->srcpad].query_formats(link);
if(link_spad(link).query_formats)
fmts[0] = link_spad(link).query_formats(link);
else
fmts[0] = avfilter_default_query_output_formats(link);
fmts[1] = link->dst->input_pads[link->dstpad].query_formats(link);
fmts[1] = link_dpad(link).query_formats(link);
for(i = 0; fmts[0][i] != -1; i ++)
for(j = 0; fmts[1][j] != -1; j ++)
if(fmts[0][i] == fmts[1][j]) {
@ -118,12 +122,12 @@ format_done:
if(link->format == -1)
return -1;
if(!(config_link = link->src->output_pads[link->srcpad].config_props))
if(!(config_link = link_spad(link).config_props))
config_link = avfilter_default_config_output_link;
if(config_link(link))
return -1;
if(!(config_link = link->dst->input_pads[link->dstpad].config_props))
if(!(config_link = link_dpad(link).config_props))
config_link = avfilter_default_config_input_link;
if(config_link(link))
return -1;
@ -135,8 +139,8 @@ AVFilterPicRef *avfilter_get_video_buffer(AVFilterLink *link, int perms)
{
AVFilterPicRef *ret = NULL;
if(link->dst->input_pads[link->dstpad].get_video_buffer)
ret = link->dst->input_pads[link->dstpad].get_video_buffer(link, perms);
if(link_dpad(link).get_video_buffer)
ret = link_dpad(link).get_video_buffer(link, perms);
if(!ret)
ret = avfilter_default_get_video_buffer(link, perms);
@ -146,10 +150,8 @@ AVFilterPicRef *avfilter_get_video_buffer(AVFilterLink *link, int perms)
int avfilter_request_frame(AVFilterLink *link)
{
const AVFilterPad *pad = &link->src->output_pads[link->srcpad];
if(pad->request_frame)
return pad->request_frame(link);
if(link_spad(link).request_frame)
return link_spad(link).request_frame(link);
else if(link->src->inputs[0])
return avfilter_request_frame(link->src->inputs[0]);
else return -1;
@ -161,7 +163,7 @@ void avfilter_start_frame(AVFilterLink *link, AVFilterPicRef *picref)
{
void (*start_frame)(AVFilterLink *, AVFilterPicRef *);
start_frame = link->dst->input_pads[link->dstpad].start_frame;
start_frame = link_dpad(link).start_frame;
if(!start_frame)
start_frame = avfilter_default_start_frame;
@ -172,7 +174,7 @@ void avfilter_end_frame(AVFilterLink *link)
{
void (*end_frame)(AVFilterLink *);
end_frame = link->dst->input_pads[link->dstpad].end_frame;
end_frame = link_dpad(link).end_frame;
if(!end_frame)
end_frame = avfilter_default_end_frame;
@ -181,10 +183,10 @@ void avfilter_end_frame(AVFilterLink *link)
void avfilter_draw_slice(AVFilterLink *link, int y, int h)
{
if(!link->dst->input_pads[link->dstpad].draw_slice)
if(!link_dpad(link).draw_slice)
return;
link->dst->input_pads[link->dstpad].draw_slice(link, y, h);
link_dpad(link).draw_slice(link, y, h);
}
static int filter_cmp(const void *aa, const void *bb)