#define INPLACE_OFFSET 16
+/* Start codes. */
+#define SEQ_END_CODE 0x000001b7
+#define SEQ_START_CODE 0x000001b3
+#define GOP_START_CODE 0x000001b8
+#define PICTURE_START_CODE 0x00000100
+#define SLICE_MIN_START_CODE 0x00000101
+#define SLICE_MAX_START_CODE 0x000001af
+#define EXT_START_CODE 0x000001b5
+#define USER_START_CODE 0x000001b2
+
/**
* Scantable.
*/
uint32_t *score_map; ///< map to store the scores
int map_generation;
int pre_penalty_factor;
- int penalty_factor;
+ int penalty_factor; /*!< an estimate of the bits required to
+ code a given mv value, e.g. (1,0) takes
+ more bits than (0,0). We have to
+ estimate whether any reduction in
+ residual is worth the extra bits. */
int sub_penalty_factor;
int mb_penalty_factor;
int flags;
MotionEstContext me;
int no_rounding; /**< apply no rounding to motion compensation (MPEG4, msmpeg4, ...)
- for b-frames rounding mode is allways 0 */
+ for b-frames rounding mode is always 0 */
int hurry_up; /**< when set to 1 during decoding, b frames will be skipped
when set to 2 idct/dequant will be skipped too */
extern const uint16_t ff_mpeg1_default_intra_matrix[64];
extern const uint16_t ff_mpeg1_default_non_intra_matrix[64];
extern const uint8_t ff_mpeg1_dc_scale_table[128];
+extern const AVRational ff_frame_rate_tab[];
void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number);
void mpeg1_encode_mb(MpegEncContext *s,
void ff_mpeg1_encode_init(MpegEncContext *s);
void ff_mpeg1_encode_slice_header(MpegEncContext *s);
void ff_mpeg1_clean_buffers(MpegEncContext *s);
+int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);
-
-/** RLTable. */
-typedef struct RLTable {
- int n; ///< number of entries of table_vlc minus 1
- int last; ///< number of values for last = 0
- const uint16_t (*table_vlc)[2];
- const int8_t *table_run;
- const int8_t *table_level;
- uint8_t *index_run[2]; ///< encoding only
- int8_t *max_level[2]; ///< encoding & decoding
- int8_t *max_run[2]; ///< encoding & decoding
- VLC vlc; ///< decoding only deprected FIXME remove
- RL_VLC_ELEM *rl_vlc[32]; ///< decoding only
-} RLTable;
-
-void init_rl(RLTable *rl, int use_static);
-void init_vlc_rl(RLTable *rl, int use_static);
-
-static inline int get_rl_index(const RLTable *rl, int last, int run, int level)
-{
- int index;
- index = rl->index_run[last][run];
- if (index >= rl->n)
- return rl->n;
- if (level > rl->max_level[last][run])
- return rl->n;
- return index + level - 1;
-}
+#include "rl.h"
extern const uint8_t ff_mpeg4_y_dc_scale_table[32];
extern const uint8_t ff_mpeg4_c_dc_scale_table[32];