From d20d486f745288fc1448715606e9f88dafa4342c Mon Sep 17 00:00:00 2001
From: rik <rik@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Thu, 14 Apr 2005 12:44:28 +0000
Subject: [PATCH] --Patch by Stefan '1stein' Schuermans
 <1stein@schuermans.info>:

bugfix of the "grayscale" output scheme; the height and width of the movie
were written als -1 and -1 into the resulting *.bml file


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15159 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 libvo/vo_bl.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/libvo/vo_bl.c b/libvo/vo_bl.c
index b6ae8bff6f..50ac0e41c0 100644
--- a/libvo/vo_bl.c
+++ b/libvo/vo_bl.c
@@ -68,6 +68,7 @@ static int prevpts = -1;
 typedef struct {
 	char *name; /* filename */
 	FILE *fp;
+	int header_written; /* if header was written already */
 } bl_file_t;
 
 typedef struct {
@@ -125,18 +126,23 @@ static int bml_init(bl_file_t *f) {
 		mp_msg(MSGT_VO, MSGL_ERR, "bl: error opening %s\n", f->name);
 		return 1;
 	}
-	fprintf(f->fp, 
+	f->header_written = 0;
+	return 0;
+}
+
+static void bml_write_frame(bl_file_t *f, unsigned char *i, int duration) {
+	int j, k;
+	if( ! f->header_written )
+	{
+		fprintf(f->fp, 
 "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
 "<blm width=\"%d\" height=\"%d\" bits=\"%d\" channels=\"%d\">\n"
 "    <header>\n"
 "        <title>Movie autogenerated by MPlayer</title>\n"
 "        <url>http://www.mplayerhq.hu</url>\n"
 "    </header>\n", bl->width, bl->height, bl->bpc, bl->channels);
-	return 0;
-}
-
-static void bml_write_frame(bl_file_t *f, unsigned char *i, int duration) {
-	int j, k;
+		f->header_written = 1;
+	}
 	fprintf(f->fp, "    <frame duration=\"%d\">\n", duration);
 	for (j = 0; j < bl->height; j++) {
 		fprintf(f->fp, "        <row>");