#define NBIT_VO_TYPE 5
#define ARTS_VO_TYPE 10
#define ACE_VO_TYPE 12
+#define SIMPLE_STUDIO_VO_TYPE 14
+#define CORE_STUDIO_VO_TYPE 15
#define ADV_SIMPLE_VO_TYPE 17
#define VOT_VIDEO_ID 1
#define GOP_STARTCODE 0x1B3
#define VISUAL_OBJ_STARTCODE 0x1B5
#define VOP_STARTCODE 0x1B6
+#define SLICE_STARTCODE 0x1B7
+#define EXT_STARTCODE 0x1B8
+
+#define QUANT_MATRIX_EXT_ID 0x3
/* smaller packets likely don't contain a real frame */
#define MAX_NVOP_SIZE 19
int cplx_estimation_trash_i;
int cplx_estimation_trash_p;
int cplx_estimation_trash_b;
+
+ VLC studio_intra_tab[12];
+ VLC studio_luma_dc;
+ VLC studio_chroma_dc;
+
+ int rgb;
} Mpeg4DecContext;
+static const uint8_t mpeg4_block_count[4] = {0, 6, 8, 12};
+
/* dc encoding for MPEG-4 */
extern const uint8_t ff_mpeg4_DCtab_lum[13][2];
extern const uint8_t ff_mpeg4_DCtab_chrom[13][2];
extern const uint8_t ff_mpeg4_dc_threshold[8];
+extern const uint16_t ff_mpeg4_studio_dc_luma[19][2];
+extern const uint16_t ff_mpeg4_studio_dc_chroma[19][2];
+extern const uint16_t ff_mpeg4_studio_intra[12][22][2];
+
void ff_mpeg4_encode_mb(MpegEncContext *s,
int16_t block[6][64],
int motion_x, int motion_y);
int ff_mpeg4_decode_partitions(Mpeg4DecContext *ctx);
int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
int ff_mpeg4_decode_video_packet_header(Mpeg4DecContext *ctx);
+int ff_mpeg4_decode_studio_slice_header(Mpeg4DecContext *ctx);
void ff_mpeg4_init_direct_mv(MpegEncContext *s);
void ff_mpeg4videodec_static_init(void);
int ff_mpeg4_workaround_bugs(AVCodecContext *avctx);