* mpegvideo header.
*/
-#ifndef AVCODEC_MPEGVIDEO_H
-#define AVCODEC_MPEGVIDEO_H
+#ifndef FFMPEG_MPEGVIDEO_H
+#define FFMPEG_MPEGVIDEO_H
#include "dsputil.h"
#include "bitstream.h"
#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.
*/
uint8_t permutated[64];
uint8_t raster_end[64];
#ifdef ARCH_POWERPC
- /** Used by dct_quantise_alitvec to find last-non-zero */
+ /** Used by dct_quantize_altivec to find last-non-zero */
DECLARE_ALIGNED_8(uint8_t, inverse[64]);
#endif
} ScanTable;
uint8_t *interpolated[3];
int16_t (*motion_val_base[2])[2];
uint32_t *mb_type_base;
-#define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if theres just one type
+#define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if there is just one type
#define IS_INTRA4x4(a) ((a)&MB_TYPE_INTRA4x4)
#define IS_INTRA16x16(a) ((a)&MB_TYPE_INTRA16x16)
#define IS_PCM(a) ((a)&MB_TYPE_INTRA_PCM)
#define IS_ACPRED(a) ((a)&MB_TYPE_ACPRED)
#define IS_QUANT(a) ((a)&MB_TYPE_QUANT)
#define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list))))
-#define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list)))) ///< does this mb use listX, note doesnt work if subMBs
+#define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list)))) ///< does this mb use listX, note does not work if subMBs
#define HAS_CBP(a) ((a)&MB_TYPE_CBP)
int field_poc[2]; ///< h264 top/bottom POC
int poc; ///< h264 frame POC
- int frame_num; ///< h264 frame_num
- int pic_id; ///< h264 pic_num or long_term_pic_idx
+ int frame_num; ///< h264 frame_num (raw frame_num from slice header)
+ int pic_id; /**< h264 pic_num (short -> no wrap version of pic_num,
+ pic_num & max_pic_num; long -> long_pic_num) */
int long_ref; ///< 1->long term reference 0->short term reference
int ref_poc[2][16]; ///< h264 POCs of the frames used as reference
int ref_count[2]; ///< number of entries in ref_poc
typedef struct MotionEstContext{
AVCodecContext *avctx;
int skip; ///< set if ME is skipped for the current MB
- int co_located_mv[4][2]; ///< mv from last p frame for direct mode ME
+ int co_located_mv[4][2]; ///< mv from last P-frame for direct mode ME
int direct_basis_mv[4][2];
- uint8_t *scratchpad; ///< data area for the me algo, so that the ME doesnt need to malloc/free
+ uint8_t *scratchpad; ///< data area for the ME algo, so that the ME does not need to malloc/free
uint8_t *best_mb;
uint8_t *temp_mb[2];
uint8_t *temp;
/* sequence parameters */
int context_initialized;
- int input_picture_number; ///< used to set pic->display_picture_number, shouldnt be used for/by anything else
- int coded_picture_number; ///< used to set pic->coded_picture_number, shouldnt be used for/by anything else
+ int input_picture_number; ///< used to set pic->display_picture_number, should not be used for/by anything else
+ int coded_picture_number; ///< used to set pic->coded_picture_number, should not be used for/by anything else
int picture_number; //FIXME remove, unclear definition
int picture_in_gop_number; ///< 0-> first pic in gop, ...
int b_frames_since_non_b; ///< used for encoding, relative to not yet reordered input
uint8_t (*b_field_select_table[2][2]);
int me_method; ///< ME algorithm
int mv_dir;
-#define MV_DIR_BACKWARD 1
-#define MV_DIR_FORWARD 2
+#define MV_DIR_FORWARD 1
+#define MV_DIR_BACKWARD 2
#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
struct MJpegContext *mjpeg_ctx;
int mjpeg_vsample[3]; ///< vertical sampling factors, default = {2, 1, 1}
int mjpeg_hsample[3]; ///< horizontal sampling factors, default = {2, 1, 1}
- int mjpeg_write_tables; ///< do we want to have quantisation- and huffmantables in the jpeg file ?
- int mjpeg_data_only_frames; ///< frames only with SOI, SOS and EOI markers
/* MSMPEG4 specific */
int mv_table_index;
} MpegEncContext;
-int DCT_common_init(MpegEncContext *s);
void MPV_decode_defaults(MpegEncContext *s);
int MPV_common_init(MpegEncContext *s);
void MPV_common_end(MpegEncContext *s);
int MPV_encode_init(AVCodecContext *avctx);
int MPV_encode_end(AVCodecContext *avctx);
int MPV_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data);
-#ifdef HAVE_MMX
void MPV_common_init_mmx(MpegEncContext *s);
-#endif
-#ifdef ARCH_ALPHA
void MPV_common_init_axp(MpegEncContext *s);
-#endif
-#ifdef HAVE_MLIB
void MPV_common_init_mlib(MpegEncContext *s);
-#endif
-#ifdef HAVE_MMI
void MPV_common_init_mmi(MpegEncContext *s);
-#endif
-#ifdef ARCH_ARMV4L
void MPV_common_init_armv4l(MpegEncContext *s);
-#endif
-#ifdef ARCH_POWERPC
-void MPV_common_init_ppc(MpegEncContext *s);
-#endif
+void MPV_common_init_altivec(MpegEncContext *s);
extern void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w);
-void ff_copy_bits(PutBitContext *pb, uint8_t *src, int length);
void ff_clean_intra_table_entries(MpegEncContext *s);
void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
void ff_er_frame_end(MpegEncContext *s);
void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status);
-
-extern enum PixelFormat ff_yuv420p_list[2];
+int ff_dct_common_init(MpegEncContext *s);
+void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
+ const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra);
void ff_init_block_index(MpegEncContext *s);
return bits - last;
}
+static inline int ff_h263_round_chroma(int x){
+ static const uint8_t h263_chroma_roundtab[16] = {
+ // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+ 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1,
+ };
+ return h263_chroma_roundtab[x & 0xf] + (x >> 3);
+}
+
/* motion_est.c */
void ff_estimate_p_frame_motion(MpegEncContext * s,
int mb_x, int mb_y);
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);
#include "rl.h"
int ff_h263_decode_init(AVCodecContext *avctx);
int ff_h263_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- uint8_t *buf, int buf_size);
+ const uint8_t *buf, int buf_size);
int ff_h263_decode_end(AVCodecContext *avctx);
void h263_encode_mb(MpegEncContext *s,
DCTELEM block[6][64],
int *px, int *py);
void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
int dir);
-void ff_set_mpeg4_time(MpegEncContext * s, int picture_number);
+void ff_set_mpeg4_time(MpegEncContext * s);
void mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
-#ifdef CONFIG_ENCODERS
void h263_encode_init(MpegEncContext *s);
-#else
-static void h263_encode_init(MpegEncContext *s) {assert(0);}
-#endif
void h263_decode_init_vlc(MpegEncContext *s);
int h263_decode_picture_header(MpegEncContext *s);
int ff_h263_decode_gob_header(MpegEncContext *s);
int ff_h263_get_gob_height(MpegEncContext *s);
void ff_mpeg4_init_direct_mv(MpegEncContext *s);
int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
-int ff_h263_round_chroma(int x);
void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code);
DCTELEM block[6][64],
int motion_x, int motion_y);
-/* mjpeg.c */
-int mjpeg_init(MpegEncContext *s);
-void mjpeg_close(MpegEncContext *s);
-void mjpeg_encode_mb(MpegEncContext *s,
- DCTELEM block[6][64]);
-void mjpeg_picture_header(MpegEncContext *s);
-void mjpeg_picture_trailer(MpegEncContext *s);
-void ff_mjpeg_stuffing(PutBitContext * pbc);
-
-#endif /* AVCODEC_MPEGVIDEO_H */
+#endif /* FFMPEG_MPEGVIDEO_H */