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avfilter/af_afir: Avoid allocating AVFilterPad names

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If the names are always the same, they need not be duplicated; doing so
saves allocations, checks for the allocations as well as frees.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-08-22 05:20:01 +02:00
parent 97b1a2c564
commit 4c5d6e87ac
1 changed files with 7 additions and 23 deletions
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30
libavfilter/af_afir.c
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@ -800,11 +800,9 @@ static av_cold void uninit(AVFilterContext *ctx)
av_frame_free(&s->ir[i]);
}
for (int i = 0; i < ctx->nb_inputs; i++)
for (unsigned i = 1; i < ctx->nb_inputs; i++)
av_freep(&ctx->input_pads[i].name);
for (int i = 0; i < ctx->nb_outputs; i++)
av_freep(&ctx->output_pads[i].name);
av_frame_free(&s->video);
}
@ -842,18 +840,13 @@ static av_cold int init(AVFilterContext *ctx)
int ret;
pad = (AVFilterPad) {
.name = av_strdup("main"),
.name = "main",
.type = AVMEDIA_TYPE_AUDIO,
};
if (!pad.name)
return AVERROR(ENOMEM);
ret = ff_insert_inpad(ctx, 0, &pad);
if (ret < 0) {
av_freep(&pad.name);
if (ret < 0)
return ret;
}
for (int n = 0; n < s->nb_irs; n++) {
pad = (AVFilterPad) {
@ -872,34 +865,25 @@ static av_cold int init(AVFilterContext *ctx)
}
pad = (AVFilterPad) {
.name = av_strdup("default"),
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.config_props = config_output,
};
if (!pad.name)
return AVERROR(ENOMEM);
ret = ff_insert_outpad(ctx, 0, &pad);
if (ret < 0) {
av_freep(&pad.name);
if (ret < 0)
return ret;
}
if (s->response) {
vpad = (AVFilterPad){
.name = av_strdup("filter_response"),
.name = "filter_response",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_video,
};
if (!vpad.name)
return AVERROR(ENOMEM);
ret = ff_insert_outpad(ctx, 1, &vpad);
if (ret < 0) {
av_freep(&vpad.name);
if (ret < 0)
return ret;
}
}
s->fdsp = avpriv_float_dsp_alloc(0);