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-rw-r--r--libavcodec/roqvideo.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/libavcodec/roqvideo.h b/libavcodec/roqvideo.h
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+++ b/libavcodec/roqvideo.h
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+/*
+ * Copyright (C) 2003 the ffmpeg project
+ *
+ * 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
+ *
+ */
+
+#include "avcodec.h"
+#include "dsputil.h"
+
+typedef struct {
+ unsigned char y[4];
+ unsigned char u, v;
+} roq_cell;
+
+typedef struct {
+ int idx[4];
+} roq_qcell;
+
+typedef struct RoqContext {
+
+ AVCodecContext *avctx;
+ DSPContext dsp;
+ AVFrame frames[2];
+ AVFrame *last_frame;
+ AVFrame *current_frame;
+ int first_frame;
+ int y_stride;
+ int c_stride;
+
+ roq_cell cells[256];
+ roq_qcell qcells[256];
+
+ unsigned char *buf;
+ int size;
+
+} RoqContext;
+
+#define RoQ_INFO 0x1001
+#define RoQ_QUAD_CODEBOOK 0x1002
+#define RoQ_QUAD_VQ 0x1011
+#define RoQ_SOUND_MONO 0x1020
+#define RoQ_SOUND_STEREO 0x1021
+
+#define RoQ_ID_MOT 0x00
+#define RoQ_ID_FCC 0x01
+#define RoQ_ID_SLD 0x02
+#define RoQ_ID_CCC 0x03
+
+void ff_apply_vector_2x2(RoqContext *ri, int x, int y, roq_cell *cell);
+void ff_apply_vector_4x4(RoqContext *ri, int x, int y, roq_cell *cell);
+
+void ff_apply_motion_4x4(RoqContext *ri, int x, int y, int deltax, int deltay);
+
+void ff_apply_motion_8x8(RoqContext *ri, int x, int y, int deltax, int deltay);