lavfi/amerge: fix input pad name behaviour.

This fixes two problems:
 - the invalid pad.name stack pointer after init() ends
 - the duplicated name for all inputs
This commit is contained in:
Clément Bœsch 2012-09-11 06:41:55 +02:00
parent 20361bcc26
commit 7b56dddd56
1 changed files with 7 additions and 3 deletions

View File

@ -24,6 +24,7 @@
*/
#include "libavutil/audioconvert.h"
#include "libavutil/avstring.h"
#include "libavutil/bprint.h"
#include "libavutil/opt.h"
#include "libswresample/swresample.h" // only for SWR_CH_MAX
@ -61,8 +62,10 @@ static av_cold void uninit(AVFilterContext *ctx)
AMergeContext *am = ctx->priv;
int i;
for (i = 0; i < am->nb_inputs; i++)
for (i = 0; i < am->nb_inputs; i++) {
ff_bufqueue_discard_all(&am->in[i].queue);
av_freep(&ctx->input_pads[i].name);
}
av_freep(&am->in);
}
@ -293,7 +296,6 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
{
AMergeContext *am = ctx->priv;
int ret, i;
char name[16];
am->class = &amerge_class;
av_opt_set_defaults(am);
@ -306,13 +308,15 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
if (!am->in)
return AVERROR(ENOMEM);
for (i = 0; i < am->nb_inputs; i++) {
char *name = av_asprintf("in%d", i);
if (!name)
return AVERROR(ENOMEM);
AVFilterPad pad = {
.name = name,
.type = AVMEDIA_TYPE_AUDIO,
.filter_samples = filter_samples,
.min_perms = AV_PERM_READ | AV_PERM_PRESERVE,
};
snprintf(name, sizeof(name), "in%d", i);
ff_insert_inpad(ctx, i, &pad);
}
return 0;