#define AVCODEC_VC1_H
#include "avcodec.h"
+#include "h264chroma.h"
#include "mpegvideo.h"
#include "intrax8.h"
+#include "vc1_common.h"
#include "vc1dsp.h"
-/** Markers used in VC-1 AP frame data */
-//@{
-enum VC1Code {
- VC1_CODE_RES0 = 0x00000100,
- VC1_CODE_ENDOFSEQ = 0x0000010A,
- VC1_CODE_SLICE,
- VC1_CODE_FIELD,
- VC1_CODE_FRAME,
- VC1_CODE_ENTRYPOINT,
- VC1_CODE_SEQHDR,
-};
-//@}
-
-#define IS_MARKER(x) (((x) & ~0xFF) == VC1_CODE_RES0)
-
-/** Available Profiles */
-//@{
-enum Profile {
- PROFILE_SIMPLE,
- PROFILE_MAIN,
- PROFILE_COMPLEX, ///< TODO: WMV9 specific
- PROFILE_ADVANCED
-};
-//@}
+#define AC_VLC_BITS 9
/** Sequence quantizer mode */
//@{
typedef struct VC1Context{
MpegEncContext s;
IntraX8Context x8;
+ H264ChromaContext h264chroma;
VC1DSPContext vc1dsp;
int bits;
int dmb_is_raw; ///< direct mb plane is raw
int fmb_is_raw; ///< forward mb plane is raw
int skip_is_raw; ///< skip mb plane is not coded
- uint8_t luty[256], lutuv[256]; ///< lookup tables used for intensity compensation
- int use_ic; ///< use intensity compensation in B-frames
+ uint8_t last_luty[2][256], last_lutuv[2][256]; ///< lookup tables used for intensity compensation
+ uint8_t aux_luty[2][256], aux_lutuv[2][256]; ///< lookup tables used for intensity compensation
+ uint8_t next_luty[2][256], next_lutuv[2][256]; ///< lookup tables used for intensity compensation
+ uint8_t (*curr_luty)[256] ,(*curr_lutuv)[256];
+ int last_use_ic, curr_use_ic, next_use_ic, aux_use_ic;
int rnd; ///< rounding control
/** Frame decoding info for S/M profiles only */
int intcomp;
uint8_t lumscale2; ///< for interlaced field P picture
uint8_t lumshift2;
- uint8_t luty2[256], lutuv2[256]; // lookup tables used for intensity compensation
VLC* mbmode_vlc;
VLC* imv_vlc;
VLC* twomvbp_vlc;
int8_t zzi_8x8[64];
uint8_t *blk_mv_type_base, *blk_mv_type; ///< 0: frame MV, 1: field MV (interlaced frame)
uint8_t *mv_f_base, *mv_f[2]; ///< 0: MV obtained from same field, 1: opposite field
- uint8_t *mv_f_last_base, *mv_f_last[2];
uint8_t *mv_f_next_base, *mv_f_next[2];
int field_mode; ///< 1 for interlaced field pictures
int fptype;
int qs_last; ///< if qpel has been used in the previous (tr.) picture
int bmvtype;
int frfd, brfd; ///< reference frame distance (forward or backward)
+ int first_pic_header_flag;
int pic_header_flag;
/** Frame decoding info for sprite modes */
//@{
int new_sprite;
int two_sprites;
- AVFrame sprite_output_frame;
+ AVFrame *sprite_output_frame;
int output_width, output_height, sprite_width, sprite_height;
uint8_t* sr_rows[2][2]; ///< Sprite resizer line cache
//@}
int bi_type;
int x8_type;
- DCTELEM (*block)[6][64];
+ int16_t (*block)[6][64];
int n_allocated_blks, cur_blk_idx, left_blk_idx, topleft_blk_idx, top_blk_idx;
uint32_t *cbp_base, *cbp;
uint8_t *is_intra_base, *is_intra;
uint8_t broken_link; ///< Broken link flag (BROKEN_LINK syntax element)
uint8_t closed_entry; ///< Closed entry point flag (CLOSED_ENTRY syntax element)
- int parse_only; ///< Context is used within parser
+ int end_mb_x; ///< Horizontal macroblock limit (used only by mss2)
- int warn_interlaced;
+ int parse_only; ///< Context is used within parser
+ int resync_marker; ///< could this stream contain resync markers
} VC1Context;
-/** Find VC-1 marker in buffer
- * @return position where next marker starts or end of buffer if no marker found
- */
-static av_always_inline const uint8_t* find_next_marker(const uint8_t *src, const uint8_t *end)
-{
- uint32_t mrk = 0xFFFFFFFF;
-
- if (end-src < 4)
- return end;
- while (src < end) {
- mrk = (mrk << 8) | *src++;
- if (IS_MARKER(mrk))
- return src - 4;
- }
- return end;
-}
-
-static av_always_inline int vc1_unescape_buffer(const uint8_t *src, int size, uint8_t *dst)
-{
- int dsize = 0, i;
-
- if (size < 4) {
- for (dsize = 0; dsize < size; dsize++)
- *dst++ = *src++;
- return size;
- }
- for (i = 0; i < size; i++, src++) {
- if (src[0] == 3 && i >= 2 && !src[-1] && !src[-2] && i < size-1 && src[1] < 4) {
- dst[dsize++] = src[1];
- src++;
- i++;
- } else
- dst[dsize++] = *src;
- }
- return dsize;
-}
-
/**
* Decode Simple/Main Profiles sequence header
* @see Figure 7-8, p16-17
int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext *gb);
int ff_vc1_init_common(VC1Context *v);
+int ff_vc1_decode_init_alloc_tables(VC1Context *v);
+void ff_vc1_init_transposed_scantables(VC1Context *v);
+int ff_vc1_decode_end(AVCodecContext *avctx);
+void ff_vc1_decode_blocks(VC1Context *v);
+
+void ff_vc1_loop_filter_iblk(VC1Context *v, int pq);
+void ff_vc1_loop_filter_iblk_delayed(VC1Context *v, int pq);
+void ff_vc1_smooth_overlap_filter_iblk(VC1Context *v);
+void ff_vc1_apply_p_loop_filter(VC1Context *v);
+
+void ff_vc1_mc_1mv(VC1Context *v, int dir);
+void ff_vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg);
+void ff_vc1_mc_4mv_chroma(VC1Context *v, int dir);
+void ff_vc1_mc_4mv_chroma4(VC1Context *v, int dir, int dir2, int avg);
+
+void ff_vc1_interp_mc(VC1Context *v);
+
#endif /* AVCODEC_VC1_H */
projects / ffmpeg / blobdiff