From 029911d1c362939b4664e471bb9b13060a31ebde Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Mon, 25 Aug 2003 22:47:32 +0000
Subject: mpeg2 encoding

Originally committed as revision 2164 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/mpegvideo.h | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

(limited to 'libavcodec/mpegvideo.h')

diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index a80431520d..279c7f9467 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -48,8 +48,13 @@ enum OutputFormat {
 
 #define MAX_PICTURE_COUNT 15
 
+#if 1
+#define ME_MAP_SIZE 4096
+#define ME_MAP_SHIFT 6
+#else
 #define ME_MAP_SIZE 64
 #define ME_MAP_SHIFT 3
+#endif
 #define ME_MAP_MV_BITS 11
 
 /* run length table */
@@ -385,8 +390,10 @@ typedef struct MpegEncContext {
     int me_method;                       ///< ME algorithm 
     int scene_change_score;
     int mv_dir;
-#define MV_DIR_BACKWARD  1
-#define MV_DIR_FORWARD   2
+#define MV_DIR_L1        1
+#define MV_DIR_L0        2
+#define MV_DIR_BACKWARD  MV_DIR_L1
+#define MV_DIR_FORWARD   MV_DIR_L0
 #define MV_DIRECT        4 ///< bidirectional mode where the difference equals the MV of the last P/S/I-Frame (mpeg4)
     int mv_type;
 #define MV_TYPE_16X16       0   ///< 1 vector for the whole mb 
@@ -568,6 +575,11 @@ typedef struct MpegEncContext {
     uint8_t *tex_pb_buffer;          
     uint8_t *pb2_buffer;
     int mpeg_quant;
+#define FF_QUANT_DEFAULT 0
+#define FF_QUANT_MPEG2   1
+#define FF_QUANT_MPEG1   2
+#define FF_QUANT_H263    3
+
     int16_t (*field_mv_table)[2][2];   ///< used for interlaced b frame decoding 
     int8_t (*field_select_table)[2];   ///< wtf, no really another table for interlaced b frames 
     int t_frame;                       ///< time distance of first I -> B, used for interlaced b frames 
@@ -644,7 +656,6 @@ typedef struct MpegEncContext {
     int repeat_first_field;
     int chroma_420_type;
     int progressive_frame;
-    int mpeg2;
     int full_pel[2];
     int interlaced_dct;
     int first_slice;
@@ -652,7 +663,7 @@ typedef struct MpegEncContext {
     
     /* RTP specific */
     /* These are explained on avcodec.h */
-    int rtp_mode;
+    int rtp_mode; //FIXME simplify this mess (remove callback, merge mode + payload)
     int rtp_payload_size;
     void (*rtp_callback)(void *data, int size, int packet_number);
     uint8_t *ptr_lastgob;
@@ -870,6 +881,7 @@ int msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size);
 int ff_msmpeg4_decode_init(MpegEncContext *s);
 void ff_msmpeg4_encode_init(MpegEncContext *s);
 int ff_wmv2_decode_picture_header(MpegEncContext * s);
+int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s);
 void ff_wmv2_add_mb(MpegEncContext *s, DCTELEM block[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr);
 void ff_mspel_motion(MpegEncContext *s,
                                uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
-- 
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