vo_gl: Move the read_pnm function into a separate file

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@32513 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 52 insertions, 0 deletions

diff --git a/pnm_loader.h b/pnm_loader.h
new file mode 100644
index 0000000000..e00cce2e63
--- /dev/null
+++ b/pnm_loader.h
@@ -0,0 +1,52 @@
+/*
+ * PNM image files loader
+ *
+ * This file is part of MPlayer.
+ *
+ * MPlayer is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * MPlayer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with MPlayer; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * You can alternatively redistribute this file and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ */
+
+#ifndef MPLAYER_PNM_LOADER_H
+#define MPLAYER_PNM_LOADER_H
+
+#include <stdio.h>
+#include <stdint.h>
+
+/**
+ * Read a "portable anymap" image.
+ * Supports raw PGM (P5) and PNM (P6).
+ *
+ * @param[in]  f                input stream.
+ * @param[out] width            width of the loaded image.
+ * @param[out] height           height of the loaded image.
+ * @param[out] bytes_per_pixel  format of the loaded image.
+ * @param[out] maxval           maximum pixel value; possible values are:
+ *                              1 for  8 bits gray,
+ *                              2 for 16 bits gray,
+ *                              3 for  8 bits per component RGB,
+ *                              6 for 16 bits per component RGB.
+ * @return                      a newly allocated array of
+ *                              width*height*bytes_per_pixel bytes,
+ *                              or NULL in case of error.
+ */
+uint8_t *read_pnm(FILE *f, int *width, int *height,
+                  int *bytes_per_pixel, int *maxval);
+
+#endif /* MPLAYER_PNM_LOADER_H */