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Properly set the LZMA2 compression level (preset) in LZMAVSetField().

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This commit is contained in:
Andrey Kiselev 2010-12-23 13:07:38 +00:00
parent 9f29be434f
commit 73ca7bd1a5
1 changed files with 17 additions and 5 deletions
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22
libtiff/tif_lzma.c
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@ -1,4 +1,4 @@
/* $Id: tif_lzma.c,v 1.1 2010-12-14 12:53:00 dron Exp $ */ /* $Id: tif_lzma.c,v 1.2 2010-12-23 13:07:38 dron Exp $ */
/* /*
* Copyright (c) 2010, Andrey Kiselev <dron@ak4719.spb.edu> * Copyright (c) 2010, Andrey Kiselev <dron@ak4719.spb.edu>
@ -342,8 +342,10 @@ LZMACleanup(TIFF* tif)
tif->tif_tagmethods.vgetfield = sp->vgetparent; tif->tif_tagmethods.vgetfield = sp->vgetparent;
tif->tif_tagmethods.vsetfield = sp->vsetparent; tif->tif_tagmethods.vsetfield = sp->vsetparent;
lzma_end(&sp->stream); if (sp->state) {
sp->state = 0; lzma_end(&sp->stream);
sp->state = 0;
}
_TIFFfree(sp); _TIFFfree(sp);
tif->tif_data = NULL; tif->tif_data = NULL;
@ -353,13 +355,23 @@ LZMACleanup(TIFF* tif)
static int static int
LZMAVSetField(TIFF* tif, uint32 tag, va_list ap) LZMAVSetField(TIFF* tif, uint32 tag, va_list ap)
{ {
static const char module[] = "LZMAVSetField";
LZMAState* sp = LState(tif); LZMAState* sp = LState(tif);
switch (tag) { switch (tag) {
case TIFFTAG_LZMAPRESET: case TIFFTAG_LZMAPRESET:
sp->preset = (int) va_arg(ap, int); sp->preset = (int) va_arg(ap, int);
if ( sp->state & LSTATE_INIT_ENCODE ) lzma_lzma_preset(&sp->opt_lzma, sp->preset);
lzma_lzma_preset(&sp->opt_lzma, sp->preset); if (sp->state & LSTATE_INIT_ENCODE) {
lzma_ret ret = lzma_stream_encoder(&sp->stream,
sp->filters,
sp->check);
if (ret != LZMA_OK) {
TIFFErrorExt(tif->tif_clientdata, module,
"Liblzma error: %s",
LZMAStrerror(ret));
}
}
return 1; return 1;
default: default:
return (*sp->vsetparent)(tif, tag, ap); return (*sp->vsetparent)(tif, tag, ap);