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lavfi: add ff_parse_pixel_format() internal function, and use it

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Reduce code duplication.
This commit is contained in:
Stefano Sabatini
2011-08-22 14:56:23 +02:00
parent 2c6348ea67
commit e26782a9b4
4 changed files with 33 additions and 15 deletions
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15
libavfilter/formats.c
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@@ -236,6 +236,21 @@ void avfilter_formats_changeref(AVFilterFormats **oldref,
/* internal functions for parsing audio format arguments */
int ff_parse_pixel_format(enum PixelFormat *ret, const char *arg, void *log_ctx)
{
char *tail;
int pix_fmt = av_get_pix_fmt(arg);
if (pix_fmt == PIX_FMT_NONE) {
pix_fmt = strtol(arg, &tail, 0);
if (*tail || (unsigned)pix_fmt >= PIX_FMT_NB) {
av_log(log_ctx, AV_LOG_ERROR, "Invalid pixel format '%s'\n", arg);
return AVERROR(EINVAL);
}
}
*ret = pix_fmt;
return 0;
}
int ff_parse_sample_format(int *ret, const char *arg, void *log_ctx)
{
char *tail;