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Improve WebP error reporting

This commit is contained in:
Přemysl Eric Janouch 2022-01-22 21:29:52 +01:00
parent f2eb7621b4
commit 78faf438a5
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 27 additions and 2 deletions
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29
fiv-io.c
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@ -1644,6 +1644,29 @@ open_xcursor(const gchar *data, gsize len, GError **error)
#endif // HAVE_XCURSOR -------------------------------------------------------- #endif // HAVE_XCURSOR --------------------------------------------------------
static const char *
load_libwebp_error(VP8StatusCode err)
{
switch (err) {
case VP8_STATUS_OUT_OF_MEMORY:
return "out of memory";
case VP8_STATUS_INVALID_PARAM:
return "invalid parameter";
case VP8_STATUS_BITSTREAM_ERROR:
return "bitstream error";
case VP8_STATUS_UNSUPPORTED_FEATURE:
return "unsupported feature";
case VP8_STATUS_SUSPENDED:
return "suspended";
case VP8_STATUS_USER_ABORT:
return "user abort";
case VP8_STATUS_NOT_ENOUGH_DATA:
return "not enough data";
default:
return "general failure";
}
}
static cairo_surface_t * static cairo_surface_t *
load_libwebp_nonanimated(WebPDecoderConfig *config, const WebPData *wd, load_libwebp_nonanimated(WebPDecoderConfig *config, const WebPData *wd,
bool premultiply, GError **error) bool premultiply, GError **error)
@ -1675,7 +1698,8 @@ load_libwebp_nonanimated(WebPDecoderConfig *config, const WebPData *wd,
VP8StatusCode err = 0; VP8StatusCode err = 0;
if ((err = WebPDecode(wd->bytes, wd->size, config))) { if ((err = WebPDecode(wd->bytes, wd->size, config))) {
set_error(error, "WebP decoding error"); g_set_error(error, FIV_IO_ERROR, FIV_IO_ERROR_OPEN,
"%s: %s", "WebP decoding error", load_libwebp_error(err));
cairo_surface_destroy(surface); cairo_surface_destroy(surface);
return NULL; return NULL;
} }
@ -1793,7 +1817,8 @@ open_libwebp(const gchar *data, gsize len, const gchar *uri,
VP8StatusCode err = 0; VP8StatusCode err = 0;
WebPData wd = {.bytes = (const uint8_t *) data, .size = len}; WebPData wd = {.bytes = (const uint8_t *) data, .size = len};
if ((err = WebPGetFeatures(wd.bytes, wd.size, &config.input))) { if ((err = WebPGetFeatures(wd.bytes, wd.size, &config.input))) {
set_error(error, "WebP decoding error"); g_set_error(error, FIV_IO_ERROR, FIV_IO_ERROR_OPEN,
"%s: %s", "WebP decoding error", load_libwebp_error(err));
return NULL; return NULL;
} }