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swscale/utils: move handling of unscaled case to the end of init function

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This way all context fields get initialized and can be used without needing to reinit the context

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-04-14 23:32:41 +02:00
parent a2f088c0f9
commit fa98885be4
1 changed files with 14 additions and 14 deletions
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28
libswscale/utils.c
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@ -1334,20 +1334,6 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW*2+78, 16) * 2, fail); FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW*2+78, 16) * 2, fail);
/* unscaled special cases */
if (unscaled && !usesHFilter && !usesVFilter &&
(c->srcRange == c->dstRange || isAnyRGB(dstFormat))) {
ff_get_unscaled_swscale(c);
if (c->swscale) {
if (flags & SWS_PRINT_INFO)
av_log(c, AV_LOG_INFO,
"using unscaled %s -> %s special converter\n",
av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
return 0;
}
}
c->srcBpc = 1 + desc_src->comp[0].depth_minus1; c->srcBpc = 1 + desc_src->comp[0].depth_minus1;
if (c->srcBpc < 8) if (c->srcBpc < 8)
c->srcBpc = 8; c->srcBpc = 8;
@ -1643,6 +1629,20 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
c->chrXInc, c->chrYInc); c->chrXInc, c->chrYInc);
} }
/* unscaled special cases */
if (unscaled && !usesHFilter && !usesVFilter &&
(c->srcRange == c->dstRange || isAnyRGB(dstFormat))) {
ff_get_unscaled_swscale(c);
if (c->swscale) {
if (flags & SWS_PRINT_INFO)
av_log(c, AV_LOG_INFO,
"using unscaled %s -> %s special converter\n",
av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
return 0;
}
}
c->swscale = ff_getSwsFunc(c); c->swscale = ff_getSwsFunc(c);
return 0; return 0;
fail: // FIXME replace things by appropriate error codes fail: // FIXME replace things by appropriate error codes