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Code Issues Releases Activity

Clarify logic and feedback of the init() function.

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Originally committed as revision 24385 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2010-07-21 17:14:13 +00:00
parent ce1f853625
commit b8dddebf3e
1 changed files with 6 additions and 4 deletions
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10
libavfilter/vsrc_buffer.c
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@ -62,12 +62,14 @@ int av_vsrc_buffer_add_frame(AVFilterContext *buffer_filter, AVFrame *frame,
static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
{
BufferSourceContext *c = ctx->priv;
int n = 0;
if (args && sscanf(args, "%d:%d:%d", &c->w, &c->h, &c->pix_fmt) == 3)
return 0;
if (!args || (n = sscanf(args, "%d:%d:%d", &c->w, &c->h, &c->pix_fmt)) != 3) {
av_log(ctx, AV_LOG_ERROR, "Expected 3 arguments, but only %d found in '%s'\n", n, args ? args : "");
return AVERROR(EINVAL);
}
av_log(ctx, AV_LOG_ERROR, "init() expected 3 arguments:'%s'\n", args);
return -1;
return 0;
}
static int query_formats(AVFilterContext *ctx)