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swscale: disable full_chroma_int when converting to non-24/32bpp RGB.

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This functionality is only implemented for RGB24/32 and causes crashes
otherwise.
This commit is contained in:
Ronald S. Bultje 2011-06-26 15:52:01 -07:00
parent ccfa626db8
commit 8f440223f6
1 changed files with 13 additions and 0 deletions
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13
libswscale/utils.c
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@ -845,6 +845,19 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat);
// reuse chroma for 2 pixels RGB/BGR unless user wants full chroma interpolation
if (flags & SWS_FULL_CHR_H_INT &&
dstFormat != PIX_FMT_RGBA &&
dstFormat != PIX_FMT_ARGB &&
dstFormat != PIX_FMT_BGRA &&
dstFormat != PIX_FMT_ABGR &&
dstFormat != PIX_FMT_RGB24 &&
dstFormat != PIX_FMT_BGR24) {
av_log(c, AV_LOG_ERROR,
"full chroma interpolation for destination format '%s' not yet implemented\n",
sws_format_name(dstFormat));
flags &= ~SWS_FULL_CHR_H_INT;
c->flags = flags;
}
if (isAnyRGB(dstFormat) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1;
// drop some chroma lines if the user wants it