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authorAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2022-01-28 00:59:24 +0100
committerAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2022-02-13 19:41:43 +0100
commit20d74fb09dbf133f9de92ed55314c7a547309d84 (patch)
tree2baf144700f3befc5e66bb4969a0f90fab0b36d7 /libavcodec/h263.h
parent20033c7da4d631385dcb2afc4ed907c3500d8372 (diff)
avcodec/h263.h: Move encoder-only stuff to a new header h263enc.h
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavcodec/h263.h')
-rw-r--r--libavcodec/h263.h101
1 files changed, 0 insertions, 101 deletions
diff --git a/libavcodec/h263.h b/libavcodec/h263.h
index 6dd5d2295a..27a5f31c59 100644
--- a/libavcodec/h263.h
+++ b/libavcodec/h263.h
@@ -20,119 +20,18 @@
#ifndef AVCODEC_H263_H
#define AVCODEC_H263_H
-#include <stdint.h>
#include "libavutil/rational.h"
#include "mpegvideo.h"
-#include "h263data.h"
#define FF_ASPECT_EXTENDED 15
#define H263_GOB_HEIGHT(h) ((h) <= 400 ? 1 : (h) <= 800 ? 2 : 4)
av_const int ff_h263_aspect_to_info(AVRational aspect);
-void ff_h263_encode_mb(MpegEncContext *s,
- int16_t block[6][64],
- int motion_x, int motion_y);
-void ff_h263_encode_picture_header(MpegEncContext *s, int picture_number);
-void ff_h263_encode_gob_header(MpegEncContext * s, int mb_line);
int16_t *ff_h263_pred_motion(MpegEncContext * s, int block, int dir,
int *px, int *py);
-void ff_h263_encode_init(MpegEncContext *s);
void ff_h263_init_rl_inter(void);
void ff_h263_update_motion_val(MpegEncContext * s);
void ff_h263_loop_filter(MpegEncContext * s);
-void ff_h263_encode_mba(MpegEncContext *s);
-void ff_init_qscale_tab(MpegEncContext *s);
-
-
-void ff_clean_h263_qscales(MpegEncContext *s);
-void ff_h263_encode_motion(PutBitContext *pb, int val, int f_code);
-
-
-static inline int h263_get_motion_length(int val, int f_code){
- int bit_size, code, sign;
-
- if (val == 0) {
- return 1; /* ff_mvtab[0][1] */
- } else {
- bit_size = f_code - 1;
- /* modulo encoding */
- val = sign_extend(val, 6 + bit_size);
- sign = val >> 31;
- val = (val ^ sign) - sign; /* val = FFABS(val) */
- val--;
- code = (val >> bit_size) + 1;
-
- return ff_mvtab[code][1] + 1 + bit_size;
- }
-}
-
-static inline void ff_h263_encode_motion_vector(MpegEncContext * s, int x, int y, int f_code){
- if (s->avctx->flags2 & AV_CODEC_FLAG2_NO_OUTPUT) {
- skip_put_bits(&s->pb,
- h263_get_motion_length(x, f_code)
- +h263_get_motion_length(y, f_code));
- }else{
- ff_h263_encode_motion(&s->pb, x, f_code);
- ff_h263_encode_motion(&s->pb, y, f_code);
- }
-}
-
-static inline int get_p_cbp(MpegEncContext * s,
- int16_t block[6][64],
- int motion_x, int motion_y){
- int cbp, i;
-
- if (s->mpv_flags & FF_MPV_FLAG_CBP_RD) {
- int best_cbpy_score= INT_MAX;
- int best_cbpc_score= INT_MAX;
- int cbpc = (-1), cbpy= (-1);
- const int offset= (s->mv_type==MV_TYPE_16X16 ? 0 : 16) + (s->dquant ? 8 : 0);
- const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
-
- for(i=0; i<4; i++){
- int score= ff_h263_inter_MCBPC_bits[i + offset] * lambda;
- if(i&1) score += s->coded_score[5];
- if(i&2) score += s->coded_score[4];
-
- if(score < best_cbpc_score){
- best_cbpc_score= score;
- cbpc= i;
- }
- }
-
- for(i=0; i<16; i++){
- int score= ff_h263_cbpy_tab[i ^ 0xF][1] * lambda;
- if(i&1) score += s->coded_score[3];
- if(i&2) score += s->coded_score[2];
- if(i&4) score += s->coded_score[1];
- if(i&8) score += s->coded_score[0];
-
- if(score < best_cbpy_score){
- best_cbpy_score= score;
- cbpy= i;
- }
- }
- cbp= cbpc + 4*cbpy;
- if ((motion_x | motion_y | s->dquant) == 0 && s->mv_type==MV_TYPE_16X16){
- if(best_cbpy_score + best_cbpc_score + 2*lambda >= 0)
- cbp= 0;
- }
-
- for (i = 0; i < 6; i++) {
- if (s->block_last_index[i] >= 0 && ((cbp >> (5 - i))&1)==0 ){
- s->block_last_index[i]= -1;
- s->bdsp.clear_block(s->block[i]);
- }
- }
- }else{
- cbp= 0;
- for (i = 0; i < 6; i++) {
- if (s->block_last_index[i] >= 0)
- cbp |= 1 << (5 - i);
- }
- }
- return cbp;
-}
#endif /* AVCODEC_H263_H */