mirror of https://git.ffmpeg.org/ffmpeg.git
avfilter/vf_stack: Don't modify const strings
b3b7ba62
introduced undefined behaviour: A (non-modifiable) string
literal has been assigned to a modifiable string; said string was indeed
modified later via av_strtok.
This of course caused compiler warnings because of the discarded
qualifier; these are in particular fixed by this commit.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
parent
8ef163ba9e
commit
670251de56
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@ -84,9 +84,11 @@ static av_cold int init(AVFilterContext *ctx)
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if (!strcmp(ctx->filter->name, "xstack")) {
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if (!s->layout) {
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if (s->nb_inputs == 2)
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s->layout = "0_0|w0_0";
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else {
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if (s->nb_inputs == 2) {
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s->layout = av_strdup("0_0|w0_0");
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if (!s->layout)
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return AVERROR(ENOMEM);
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} else {
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av_log(ctx, AV_LOG_ERROR, "No layout specified.\n");
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return AVERROR(EINVAL);
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}
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