mjpeg encoder cleanup - patch by Rik Snel <rsnel@cube.dyndns.org>

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4652 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 45 insertions, 0 deletions

diff --git a/libvo/jpeg_enc.h b/libvo/jpeg_enc.h
new file mode 100644
index 0000000000..43972d0835
--- /dev/null
+++ b/libvo/jpeg_enc.h
@@ -0,0 +1,45 @@
+/* Straightforward (to be) optimized JPEG encoder for the YUV422 format 
+ * based on mjpeg code from ffmpeg. 
+ *
+ * Copyright (c) 2002, Rik Snel
+ * Parts from ffmpeg Copyright (c) 2000, 2001 Gerard Lantau
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * For an excellent introduction to the JPEG format, see:
+ * http://www.ece.purdue.edu/~bourman/grad-labs/lab8/pdf/lab.pdf
+ */
+
+
+typedef struct {
+	struct MpegEncContext *s;
+	int cheap_upsample;
+	int bw;
+	int y_ps;
+	int u_ps;
+	int v_ps;
+	int y_rs;
+	int u_rs;
+	int v_rs;
+} jpeg_enc_t;
+
+jpeg_enc_t *jpeg_enc_init(int w, int h, int y_psize, int y_rsize, 
+		int u_psize, int u_rsize, int v_psize, int v_rsize,
+		int cu, int q, int b);
+
+int jpeg_enc_frame(jpeg_enc_t *j, unsigned char *y_data, 
+		unsigned char *u_data, unsigned char *v_data, char *bufr);
+
+void jpeg_enc_uninit(jpeg_enc_t *j);