The simplest mpeg encoder (well, it was the simplest!). More...
#include <string.h>
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "mjpegenc.h"
#include "msmpeg4.h"
#include "faandct.h"
#include <limits.h>
Go to the source code of this file.
Macros | |
#define | OBMC_FILTER(x, t, l, m, r, b) dst[x]= (t*top[x] + l*left[x] + m*mid[x] + r*right[x] + b*bottom[x] + 4)>>3 |
#define | OBMC_FILTER4(x, t, l, m, r, b) |
#define | MID 0 |
Functions | |
int | dct_quantize_c (MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow) |
int | alloc_picture (MpegEncContext *s, Picture *pic, int shared) |
Allocate a Picture. | |
void | MPV_common_defaults (MpegEncContext *s) |
Set the given MpegEncContext to common defaults (same for encoding and decoding). | |
static void | gmc1_motion (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture) |
static void | gmc_motion (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture) |
static int | hpel_motion (MpegEncContext *s, uint8_t *dest, uint8_t *src, int field_based, int field_select, int src_x, int src_y, int width, int height, int stride, int h_edge_pos, int v_edge_pos, int w, int h, op_pixels_func *pix_op, int motion_x, int motion_y) |
static av_always_inline void | mpeg_motion_internal (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int field_based, int bottom_field, int field_select, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int h, int is_mpeg12, int mb_y) |
static av_always_inline void | mpeg_motion (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int field_based, int bottom_field, int field_select, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int h, int mb_y) |
static void | put_obmc (uint8_t *dst, uint8_t *src[5], int stride) |
static void | obmc_motion (MpegEncContext *s, uint8_t *dest, uint8_t *src, int src_x, int src_y, op_pixels_func *pix_op, int16_t mv[5][2]) |
static void | qpel_motion (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int field_based, int bottom_field, int field_select, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], qpel_mc_func(*qpix_op)[16], int motion_x, int motion_y, int h) |
static void | chroma_4mv_motion (MpegEncContext *s, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture, op_pixels_func *pix_op, int mx, int my) |
h263 chroma 4mv motion compensation. | |
static void | prefetch_motion (MpegEncContext *s, uint8_t **pix, int dir) |
static av_always_inline void | MPV_motion_internal (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int dir, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], qpel_mc_func(*qpix_op)[16], int is_mpeg12) |
motion compensation of a single macroblock | |
static void | MPV_motion (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int dir, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], qpel_mc_func(*qpix_op)[16]) |
The simplest mpeg encoder (well, it was the simplest!).
Definition in file mpegvideo_common.h.
#define MID 0 |
Referenced by obmc_motion().
#define OBMC_FILTER | ( | x, | |
t, | |||
l, | |||
m, | |||
r, | |||
b | |||
) | dst[x]= (t*top[x] + l*left[x] + m*mid[x] + r*right[x] + b*bottom[x] + 4)>>3 |
Referenced by put_obmc().
int alloc_picture | ( | MpegEncContext * | s, |
Picture * | pic, | ||
int | shared | ||
) |
Allocate a Picture.
The pixels are allocated/set by calling get_buffer() if shared = 0.
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inlinestatic |
h263 chroma 4mv motion compensation.
Definition at line 563 of file mpegvideo_common.h.
Referenced by MPV_motion_internal().
int dct_quantize_c | ( | MpegEncContext * | s, |
DCTELEM * | block, | ||
int | n, | ||
int | qscale, | ||
int * | overflow | ||
) |
Definition at line 4001 of file mpegvideo_enc.c.
Referenced by dnxhd_encode_init(), encode_mb_internal(), and MPV_encode_init().
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inlinestatic |
Definition at line 56 of file mpegvideo_common.h.
Referenced by MPV_motion_internal().
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inlinestatic |
Definition at line 142 of file mpegvideo_common.h.
Referenced by MPV_motion_internal().
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inlinestatic |
Definition at line 198 of file mpegvideo_common.h.
Referenced by MPV_motion_internal(), and obmc_motion().
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static |
Definition at line 368 of file mpegvideo_common.h.
Referenced by MPV_motion_internal().
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static |
Definition at line 239 of file mpegvideo_common.h.
Referenced by mpeg_motion().
void MPV_common_defaults | ( | MpegEncContext * | s | ) |
Set the given MpegEncContext to common defaults (same for encoding and decoding).
The changed fields will not depend upon the prior state of the MpegEncContext.
Definition at line 620 of file mpegvideo.c.
Referenced by MPV_decode_defaults(), and MPV_encode_defaults().
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inlinestatic |
Definition at line 885 of file mpegvideo_common.h.
Referenced by encode_mb_internal(), and MPV_decode_mb_internal().
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static |
motion compensation of a single macroblock
s | context |
dest_y | luma destination pointer |
dest_cb | chroma cb/u destination pointer |
dest_cr | chroma cr/v destination pointer |
dir | direction (0->forward, 1->backward) |
ref_picture | array[3] of pointers to the 3 planes of the reference picture |
pix_op | halfpel motion compensation function (average or put normally) |
qpix_op | qpel motion compensation function (average or put normally) the motion vectors are taken from s->mv and the MV type from s->mv_type |
Definition at line 637 of file mpegvideo_common.h.
Referenced by MPV_motion().
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inlinestatic |
Definition at line 439 of file mpegvideo_common.h.
Referenced by MPV_motion_internal().
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inlinestatic |
Definition at line 613 of file mpegvideo_common.h.
Referenced by MPV_motion_internal().
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inlinestatic |
Definition at line 387 of file mpegvideo_common.h.
Referenced by obmc_motion().
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inlinestatic |
Definition at line 468 of file mpegvideo_common.h.
Referenced by MPV_motion_internal().