1 files changed, 93 insertions, 0 deletions
diff --git a/ffmpeg1/libavcodec/roqvideo.h b/ffmpeg1/libavcodec/roqvideo.h
new file mode 100644
index 0000000..3834897
--- /dev/null
+++ b/ffmpeg1/libavcodec/roqvideo.h
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2003 Mike Melanson
+ * Copyright (C) 2003 Dr. Tim Ferguson
+ *
+ * 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 AVCODEC_ROQVIDEO_H
+#define AVCODEC_ROQVIDEO_H
+
+#include "libavutil/lfg.h"
+#include "avcodec.h"
+#include "bytestream.h"
+
+typedef struct roq_cell {
+    unsigned char y[4];
+    unsigned char u, v;
+} roq_cell;
+
+typedef struct roq_qcell {
+    int idx[4];
+} roq_qcell;
+
+typedef struct motion_vect {
+    int d[2];
+} motion_vect;
+
+struct RoqTempData;
+
+typedef struct RoqContext {
+
+    AVCodecContext *avctx;
+    AVFrame frames[2];
+    AVFrame *last_frame;
+    AVFrame *current_frame;
+    int first_frame;
+
+    roq_cell cb2x2[256];
+    roq_qcell cb4x4[256];
+
+    GetByteContext gb;
+    int width, height;
+
+    /* Encoder only data */
+    AVLFG randctx;
+    uint64_t lambda;
+
+    motion_vect *this_motion4;
+    motion_vect *last_motion4;
+
+    motion_vect *this_motion8;
+    motion_vect *last_motion8;
+
+    unsigned int framesSinceKeyframe;
+
+    const AVFrame *frame_to_enc;
+    uint8_t *out_buf;
+    struct RoqTempData *tmpData;
+} 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);
+
+#endif /* AVCODEC_ROQVIDEO_H */