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Code Issues Releases Activity

Make AVFilterLink store the pointers to the source and destination

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pads, rather than their index.

Originally committed as revision 25227 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2010-09-27 16:58:48 +00:00
parent b3dd5e5971
commit acc0490f09
2 changed files with 30 additions and 32 deletions
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54
libavfilter/avfilter.c
View File

@ -42,10 +42,6 @@ const char *avfilter_license(void)
return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
/** 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]
AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask)
{
AVFilterBufferRef *ret = av_malloc(sizeof(AVFilterBufferRef));
@ -116,8 +112,8 @@ int avfilter_link(AVFilterContext *src, unsigned srcpad,
link->src = src;
link->dst = dst;
link->srcpad = srcpad;
link->dstpad = dstpad;
link->srcpad = &src->output_pads[srcpad];
link->dstpad = &dst->input_pads[dstpad];
link->type = src->output_pads[srcpad].type;
assert(PIX_FMT_NONE == -1 && SAMPLE_FMT_NONE == -1);
link->format = -1;
@ -128,20 +124,22 @@ int avfilter_link(AVFilterContext *src, unsigned srcpad,
int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt,
unsigned in, unsigned out)
{
unsigned dstpad_idx = link->dstpad - link->dst->input_pads;
av_log(link->dst, AV_LOG_INFO, "auto-inserting filter '%s' "
"between the filter '%s' and the filter '%s'\n",
filt->name, link->src->name, link->dst->name);
link->dst->inputs[link->dstpad] = NULL;
if (avfilter_link(filt, out, link->dst, link->dstpad)) {
link->dst->inputs[dstpad_idx] = NULL;
if (avfilter_link(filt, out, link->dst, dstpad_idx)) {
/* failed to link output filter to new filter */
link->dst->inputs[link->dstpad] = link;
link->dst->inputs[dstpad_idx] = link;
return -1;
}
/* re-hookup the link to the new destination filter we inserted */
link->dst = filt;
link->dstpad = in;
link->dstpad = &filt->input_pads[in];
filt->inputs[in] = link;
/* if any information on supported media formats already exists on the
@ -175,12 +173,12 @@ int avfilter_config_links(AVFilterContext *filter)
if (avfilter_config_links(link->src))
return -1;
if (!(config_link = link_spad(link).config_props))
if (!(config_link = link->srcpad->config_props))
config_link = avfilter_default_config_output_link;
if (config_link(link))
return -1;
if ((config_link = link_dpad(link).config_props))
if ((config_link = link->dstpad->config_props))
if (config_link(link))
return -1;
@ -249,8 +247,8 @@ 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:%s w:%d h:%d\n", ff_get_ref_perms_string(buf, sizeof(buf), perms), w, h);
if (link_dpad(link).get_video_buffer)
ret = link_dpad(link).get_video_buffer(link, perms, w, h);
if (link->dstpad->get_video_buffer)
ret = link->dstpad->get_video_buffer(link, perms, w, h);
if (!ret)
ret = avfilter_default_get_video_buffer(link, perms, w, h);
@ -269,8 +267,8 @@ AVFilterBufferRef *avfilter_get_audio_buffer(AVFilterLink *link, int perms,
{
AVFilterBufferRef *ret = NULL;
if (link_dpad(link).get_audio_buffer)
ret = link_dpad(link).get_audio_buffer(link, perms, sample_fmt, size, channel_layout, planar);
if (link->dstpad->get_audio_buffer)
ret = link->dstpad->get_audio_buffer(link, perms, sample_fmt, size, channel_layout, planar);
if (!ret)
ret = avfilter_default_get_audio_buffer(link, perms, sample_fmt, size, channel_layout, planar);
@ -285,8 +283,8 @@ int avfilter_request_frame(AVFilterLink *link)
{
FF_DPRINTF_START(NULL, request_frame); ff_dprintf_link(NULL, link, 1);
if (link_spad(link).request_frame)
return link_spad(link).request_frame(link);
if (link->srcpad->request_frame)
return link->srcpad->request_frame(link);
else if (link->src->inputs[0])
return avfilter_request_frame(link->src->inputs[0]);
else return -1;
@ -296,8 +294,8 @@ int avfilter_poll_frame(AVFilterLink *link)
{
int i, min = INT_MAX;
if (link_spad(link).poll_frame)
return link_spad(link).poll_frame(link);
if (link->srcpad->poll_frame)
return link->srcpad->poll_frame(link);
for (i = 0; i < link->src->input_count; i++) {
int val;
@ -315,7 +313,7 @@ int avfilter_poll_frame(AVFilterLink *link)
void avfilter_start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
{
void (*start_frame)(AVFilterLink *, AVFilterBufferRef *);
AVFilterPad *dst = &link_dpad(link);
AVFilterPad *dst = link->dstpad;
FF_DPRINTF_START(NULL, start_frame); ff_dprintf_link(NULL, link, 0); dprintf(NULL, " "); ff_dprintf_ref(NULL, picref, 1);
@ -328,7 +326,7 @@ void avfilter_start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
av_log(link->dst, AV_LOG_DEBUG,
"frame copy needed (have perms %x, need %x, reject %x)\n",
picref->perms,
link_dpad(link).min_perms, link_dpad(link).rej_perms);
link->dstpad->min_perms, link->dstpad->rej_perms);
link->cur_buf = avfilter_get_video_buffer(link, dst->min_perms, link->w, link->h);
link->src_buf = picref;
@ -344,7 +342,7 @@ void avfilter_end_frame(AVFilterLink *link)
{
void (*end_frame)(AVFilterLink *);
if (!(end_frame = link_dpad(link).end_frame))
if (!(end_frame = link->dstpad->end_frame))
end_frame = avfilter_default_end_frame;
end_frame(link);
@ -393,7 +391,7 @@ void avfilter_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
}
}
if (!(draw_slice = link_dpad(link).draw_slice))
if (!(draw_slice = link->dstpad->draw_slice))
draw_slice = avfilter_default_draw_slice;
draw_slice(link, y, h, slice_dir);
}
@ -401,7 +399,7 @@ void avfilter_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
void avfilter_filter_samples(AVFilterLink *link, AVFilterBufferRef *samplesref)
{
void (*filter_samples)(AVFilterLink *, AVFilterBufferRef *);
AVFilterPad *dst = &link_dpad(link);
AVFilterPad *dst = link->dstpad;
if (!(filter_samples = dst->filter_samples))
filter_samples = avfilter_default_filter_samples;
@ -412,7 +410,7 @@ void avfilter_filter_samples(AVFilterLink *link, AVFilterBufferRef *samplesref)
av_log(link->dst, AV_LOG_DEBUG,
"Copying audio data in avfilter (have perms %x, need %x, reject %x)\n",
samplesref->perms, link_dpad(link).min_perms, link_dpad(link).rej_perms);
samplesref->perms, link->dstpad->min_perms, link->dstpad->rej_perms);
link->cur_buf = avfilter_default_get_audio_buffer(link, dst->min_perms,
samplesref->format,
@ -534,7 +532,7 @@ void avfilter_destroy(AVFilterContext *filter)
for (i = 0; i < filter->input_count; i++) {
if ((link = filter->inputs[i])) {
if (link->src)
link->src->outputs[link->srcpad] = NULL;
link->src->outputs[link->srcpad - link->src->output_pads] = NULL;
avfilter_formats_unref(&link->in_formats);
avfilter_formats_unref(&link->out_formats);
}
@ -543,7 +541,7 @@ void avfilter_destroy(AVFilterContext *filter)
for (i = 0; i < filter->output_count; i++) {
if ((link = filter->outputs[i])) {
if (link->dst)
link->dst->inputs[link->dstpad] = NULL;
link->dst->inputs[link->dstpad - link->dst->input_pads] = NULL;
avfilter_formats_unref(&link->in_formats);
avfilter_formats_unref(&link->out_formats);
}

8
libavfilter/avfilter.h
View File

@ -25,8 +25,8 @@
#include "libavutil/avutil.h"
#define LIBAVFILTER_VERSION_MAJOR 1
#define LIBAVFILTER_VERSION_MINOR 46
#define LIBAVFILTER_VERSION_MICRO 1
#define LIBAVFILTER_VERSION_MINOR 47
#define LIBAVFILTER_VERSION_MICRO 0
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
LIBAVFILTER_VERSION_MINOR, \
@ -556,10 +556,10 @@ struct AVFilterContext {
*/
struct AVFilterLink {
AVFilterContext *src; ///< source filter
unsigned int srcpad; ///< index of the output pad on the source filter
AVFilterPad *srcpad; ///< output pad on the source filter
AVFilterContext *dst; ///< dest filter
unsigned int dstpad; ///< index of the input pad on the dest filter
AVFilterPad *dstpad; ///< input pad on the dest filter
/** stage of the initialization of the link properties (dimensions, etc) */
enum {