move pnm parser in its own file

Originally committed as revision 8988 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 37 insertions, 0 deletions

diff --git a/libavcodec/pnm.h b/libavcodec/pnm.h
new file mode 100644
index 0000000000..fa5e55e69d
--- /dev/null
+++ b/libavcodec/pnm.h
@@ -0,0 +1,37 @@
+/*
+ * PNM image format
+ * Copyright (c) 2002, 2003 Fabrice Bellard.
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it 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.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef PNM_H
+#define PNM_H
+
+#include "avcodec.h"
+
+typedef struct PNMContext {
+    uint8_t *bytestream;
+    uint8_t *bytestream_start;
+    uint8_t *bytestream_end;
+    AVFrame picture;
+    int maxval;                 ///< maximum value of a pixel
+} PNMContext;
+
+int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s);
+
+#endif /* PNM_H */