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fix non-animated read

This commit is contained in:
John Cupitt 2018-11-03 12:39:08 +00:00
parent d7e8688c35
commit 7071ad79a8
1 changed files with 17 additions and 6 deletions
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23
libvips/foreign/webp2vips.c
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@ -108,6 +108,10 @@ typedef struct {
*/
int frame_count;
/* Delay between frames. We don't let this change between frames.
*/
int delay;
/* If we are opening a file object, the fd.
*/
int fd;
@ -159,10 +163,14 @@ vips__iswebp( const char *filename )
static int
read_free( Read *read )
{
int i;
for( i = 0; i < read->frames->len; i++ )
VIPS_UNREF( g_array_index( read->frames, VipsImage *, i ) );
if( read->frames ) {
int i;
for( i = 0; i < read->frames->len; i++ )
VIPS_UNREF( g_array_index(
read->frames, VipsImage *, i ) );
}
VIPS_FREEF( g_array_unref, read->frames );
VIPS_FREEF( WebPIDelete, read->idec );
@ -199,6 +207,7 @@ read_new( const char *filename, const void *data, size_t length,
read->page = page;
read->n = n;
read->shrink = shrink;
read->delay = 100;
read->fd = 0;
read->idec = NULL;
read->demux = NULL;
@ -274,7 +283,8 @@ read_header( Read *read, VipsImage *out )
WebPIterator iter;
loop_count = WebPDemuxGetI( read->demux, WEBP_FF_LOOP_COUNT );
read->frame_count = WebPDemuxGetI( read->demux, WEBP_FF_FRAME_COUNT );
read->frame_count = WebPDemuxGetI( read->demux,
WEBP_FF_FRAME_COUNT );
#ifdef DEBUG
printf( "webp2vips: animation\n" );
@ -284,8 +294,6 @@ read_header( Read *read, VipsImage *out )
vips_image_set_int( out, "gif-loop", loop_count );
vips_image_set_int( out, "page-height", read->frame_height );
read->frames = g_array_sized_new( FALSE, TRUE,
sizeof( void * ), read->frame_count );
/* We must get the first frame to get the delay.
*/
@ -307,6 +315,9 @@ read_header( Read *read, VipsImage *out )
read->frame_count = 1;
}
read->frames = g_array_sized_new( FALSE, TRUE,
sizeof( void * ), read->frame_count );
if( read->width <= 0 ||
read->height <= 0 ) {
vips_error( "webp", "%s", _( "bad image dimensions" ) );