/*
* H263/MPEG4 backend for ffmpeg encoder and decoder
- * Copyright (c) 2000,2001 Fabrice Bellard.
+ * Copyright (c) 2000,2001 Fabrice Bellard
* H263+ support.
- * Copyright (c) 2001 Juan J. Sierralta P.
+ * Copyright (c) 2001 Juan J. Sierralta P
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
- * This library is free software; you can redistribute it and/or
+ * ac prediction encoding, B-frame support, error resilience, optimizations,
+ * qpel decoding, gmc decoding, interlaced decoding
+ * by Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * ac prediction encoding, b-frame support, error resilience, optimizations,
- * qpel decoding, gmc decoding, interlaced decoding,
- * by Michael Niedermayer <michaelni@gmx.at>
*/
/**
- * @file h263.c
+ * @file libavcodec/h263.c
* h263/mpeg4 codec.
*/
//#define DEBUG
#include <limits.h>
-#include "common.h"
#include "dsputil.h"
#include "avcodec.h"
#include "mpegvideo.h"
#include "h263data.h"
#include "mpeg4data.h"
+#include "mathops.h"
+#include "unary.h"
//#undef NDEBUG
//#include <assert.h>
#define H263_MBTYPE_B_VLC_BITS 6
#define CBPC_B_VLC_BITS 3
-#ifdef CONFIG_ENCODERS
static void h263_encode_block(MpegEncContext * s, DCTELEM * block,
int n);
static void h263p_encode_umotion(MpegEncContext * s, int val);
PutBitContext *dc_pb, PutBitContext *ac_pb);
static int mpeg4_get_block_length(MpegEncContext * s, DCTELEM * block, int n, int intra_dc,
uint8_t *scan_table);
-#endif
static int h263_decode_motion(MpegEncContext * s, int pred, int fcode);
static int h263p_decode_umotion(MpegEncContext * s, int pred);
static inline int mpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr);
static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
int n, int coded, int intra, int rvlc);
-#ifdef CONFIG_ENCODERS
-static int h263_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr);
+
+static int h263_pred_dc(MpegEncContext * s, int n, int16_t **dc_val_ptr);
static void mpeg4_encode_visual_object_header(MpegEncContext * s);
static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_number);
-#endif //CONFIG_ENCODERS
+
static void mpeg4_decode_sprite_trajectory(MpegEncContext * s, GetBitContext *gb);
static inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, int level, int *dir_ptr, int encoding);
-#ifdef CONFIG_ENCODERS
+#if CONFIG_ENCODERS
static uint8_t uni_DCtab_lum_len[512];
static uint8_t uni_DCtab_chrom_len[512];
static uint16_t uni_DCtab_lum_bits[512];
static uint16_t uni_DCtab_chrom_bits[512];
-static uint8_t (*mv_penalty)[MAX_MV*2+1]= NULL;
+static uint8_t mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
static uint8_t fcode_tab[MAX_MV*2+1];
static uint8_t umv_fcode_tab[MAX_MV*2+1];
*/
#endif
+static uint8_t static_rl_table_store[5][2][2*MAX_RUN + MAX_LEVEL + 3];
+
#if 0 //3IV1 is quite rare and it slows things down a tiny bit
-#define IS_3IV1 s->avctx->codec_tag == ff_get_fourcc("3IV1")
+#define IS_3IV1 s->codec_tag == AV_RL32("3IV1")
#else
#define IS_3IV1 0
#endif
return format;
}
-#ifdef CONFIG_ENCODERS
+static void show_pict_info(MpegEncContext *s){
+ av_log(s->avctx, AV_LOG_DEBUG, "qp:%d %c size:%d rnd:%d%s%s%s%s%s%s%s%s%s %d/%d\n",
+ s->qscale, av_get_pict_type_char(s->pict_type),
+ s->gb.size_in_bits, 1-s->no_rounding,
+ s->obmc ? " AP" : "",
+ s->umvplus ? " UMV" : "",
+ s->h263_long_vectors ? " LONG" : "",
+ s->h263_plus ? " +" : "",
+ s->h263_aic ? " AIC" : "",
+ s->alt_inter_vlc ? " AIV" : "",
+ s->modified_quant ? " MQ" : "",
+ s->loop_filter ? " LOOP" : "",
+ s->h263_slice_structured ? " SS" : "",
+ s->avctx->time_base.den, s->avctx->time_base.num
+ );
+}
+
+#if CONFIG_ENCODERS
static void aspect_to_info(MpegEncContext * s, AVRational aspect){
int i;
put_bits(&s->pb, 16, s->width);
put_bits(&s->pb, 16, s->height);
}
- put_bits(&s->pb, 2, s->pict_type == P_TYPE); /* PictureType */
+ put_bits(&s->pb, 2, s->pict_type == FF_P_TYPE); /* PictureType */
put_bits(&s->pb, 1, 1); /* DeblockingFlag: on */
put_bits(&s->pb, 5, s->qscale); /* Quantizer */
put_bits(&s->pb, 1, 0); /* ExtraInformation */
for(i=0; i<2; i++){
int div, error;
div= (s->avctx->time_base.num*1800000LL + 500LL*s->avctx->time_base.den) / ((1000LL+i)*s->avctx->time_base.den);
- div= clip(1, div, 127);
- error= ABS(s->avctx->time_base.num*1800000LL - (1000LL+i)*s->avctx->time_base.den*div);
+ div= av_clip(div, 1, 127);
+ error= FFABS(s->avctx->time_base.num*1800000LL - (1000LL+i)*s->avctx->time_base.den*div);
if(error < best_error){
best_error= error;
best_divisor= div;
align_put_bits(&s->pb);
/* Update the pointer to last GOB */
- s->ptr_lastgob = pbBufPtr(&s->pb);
+ s->ptr_lastgob = put_bits_ptr(&s->pb);
put_bits(&s->pb, 22, 0x20); /* PSC */
temp_ref= s->picture_number * (int64_t)coded_frame_rate * s->avctx->time_base.num / //FIXME use timestamp
(coded_frame_rate_base * (int64_t)s->avctx->time_base.den);
- put_bits(&s->pb, 8, temp_ref & 0xff); /* TemporalReference */
+ put_sbits(&s->pb, 8, temp_ref); /* TemporalReference */
put_bits(&s->pb, 1, 1); /* marker */
put_bits(&s->pb, 1, 0); /* h263 id */
if (!s->h263_plus) {
/* H.263v1 */
put_bits(&s->pb, 3, format);
- put_bits(&s->pb, 1, (s->pict_type == P_TYPE));
+ put_bits(&s->pb, 1, (s->pict_type == FF_P_TYPE));
/* By now UMV IS DISABLED ON H.263v1, since the restrictions
of H.263v1 UMV implies to check the predicted MV after
calculation of the current MB to see if we're on the limits */
put_bits(&s->pb,1,1); /* "1" to prevent start code emulation */
put_bits(&s->pb,3,0); /* Reserved */
- put_bits(&s->pb, 3, s->pict_type == P_TYPE);
+ put_bits(&s->pb, 3, s->pict_type == FF_P_TYPE);
put_bits(&s->pb,1,0); /* Reference Picture Resampling: off */
put_bits(&s->pb,1,0); /* Reduced-Resolution Update: off */
put_bits(&s->pb, 1, best_clock_code);
put_bits(&s->pb, 7, best_divisor);
}
- put_bits(&s->pb, 2, (temp_ref>>8)&3);
+ put_sbits(&s->pb, 2, temp_ref>>8);
}
/* Unlimited Unrestricted Motion Vectors Indicator (UUI) */
put_bits(&s->pb, 1, 1);
put_bits(&s->pb, 5, s->qscale); /* GQUANT */
put_bits(&s->pb, 1, 1);
- put_bits(&s->pb, 2, s->pict_type == I_TYPE); /* GFID */
+ put_bits(&s->pb, 2, s->pict_type == FF_I_TYPE); /* GFID */
}else{
int gob_number= mb_line / s->gob_index;
put_bits(&s->pb, 5, gob_number); /* GN */
- put_bits(&s->pb, 2, s->pict_type == I_TYPE); /* GFID */
+ put_bits(&s->pb, 2, s->pict_type == FF_I_TYPE); /* GFID */
put_bits(&s->pb, 5, s->qscale); /* GQUANT */
}
}
else rate+= s->intra_ac_vlc_last_length[UNI_AC_ENC_INDEX(j-last-1, level)];
}else
rate += s->ac_esc_length;
- level-= 64;
last= j;
}
}
}
+/**
+ * init s->current_picture.qscale_table from s->lambda_table
+ */
+static void ff_init_qscale_tab(MpegEncContext *s){
+ int8_t * const qscale_table= s->current_picture.qscale_table;
+ int i;
+
+ for(i=0; i<s->mb_num; i++){
+ unsigned int lam= s->lambda_table[ s->mb_index2xy[i] ];
+ int qp= (lam*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
+ qscale_table[ s->mb_index2xy[i] ]= av_clip(qp, s->avctx->qmin, s->avctx->qmax);
+ }
+}
+
/**
* modify qscale so that encoding is acually possible in h263 (limit difference to -2..2)
*/
int i;
int8_t * const qscale_table= s->current_picture.qscale_table;
+ ff_init_qscale_tab(s);
+
for(i=1; i<s->mb_num; i++){
if(qscale_table[ s->mb_index2xy[i] ] - qscale_table[ s->mb_index2xy[i-1] ] >2)
qscale_table[ s->mb_index2xy[i] ]= qscale_table[ s->mb_index2xy[i-1] ]+2;
int mb_xy= s->mb_index2xy[i];
if(qscale_table[mb_xy] != qscale_table[s->mb_index2xy[i-1]] && (s->mb_type[mb_xy]&CANDIDATE_MB_TYPE_INTER4V)){
- s->mb_type[mb_xy]&= ~CANDIDATE_MB_TYPE_INTER4V;
s->mb_type[mb_xy]|= CANDIDATE_MB_TYPE_INTER;
}
}
ff_clean_h263_qscales(s);
- if(s->pict_type== B_TYPE){
+ if(s->pict_type== FF_B_TYPE){
int odd=0;
/* ok, come on, this isn't funny anymore, there's more code for handling this mpeg4 mess than for the actual adaptive quantization */
for(i=1; i<s->mb_num; i++){
int mb_xy= s->mb_index2xy[i];
if(qscale_table[mb_xy] != qscale_table[s->mb_index2xy[i-1]] && (s->mb_type[mb_xy]&CANDIDATE_MB_TYPE_DIRECT)){
- s->mb_type[mb_xy]&= ~CANDIDATE_MB_TYPE_DIRECT;
s->mb_type[mb_xy]|= CANDIDATE_MB_TYPE_BIDIR;
}
}
#endif //CONFIG_ENCODERS
-#define tab_size ((signed)(sizeof(s->direct_scale_mv[0])/sizeof(int16_t)))
+#define tab_size ((signed)FF_ARRAY_ELEMS(s->direct_scale_mv[0]))
#define tab_bias (tab_size/2)
-static void ff_mpeg4_init_direct_mv(MpegEncContext *s){
+void ff_mpeg4_init_direct_mv(MpegEncContext *s){
int i;
for(i=0; i<tab_size; i++){
s->direct_scale_mv[0][i] = (i-tab_bias)*s->pb_time/s->pp_time;
int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){
const int mb_index= s->mb_x + s->mb_y*s->mb_stride;
const int colocated_mb_type= s->next_picture.mb_type[mb_index];
- uint16_t time_pp= s->pp_time;
- uint16_t time_pb= s->pb_time;
+ uint16_t time_pp;
+ uint16_t time_pb;
int i;
//FIXME avoid divides
}
}
-#ifdef CONFIG_ENCODERS
+#if CONFIG_ENCODERS
static inline int h263_get_motion_length(MpegEncContext * s, int val, int f_code){
int l, bit_size, code;
for (i = 0; i < 6; i++) {
if (s->block_last_index[i] >= 0 && ((cbp >> (5 - i))&1)==0 ){
s->block_last_index[i]= -1;
- memset(s->block[i], 0, sizeof(DCTELEM)*64);
+ s->dsp.clear_block(s->block[i]);
}
}
}else{
for (i = 0; i < 6; i++) {
if (s->block_last_index[i] >= 0 && ((cbp >> (5 - i))&1)==0 ){
s->block_last_index[i]= -1;
- memset(s->block[i], 0, sizeof(DCTELEM)*64);
+ s->dsp.clear_block(s->block[i]);
}
}
}else{
}
}
+static const int dquant_code[5]= {1,0,9,2,3};
+
void mpeg4_encode_mb(MpegEncContext * s,
DCTELEM block[6][64],
int motion_x, int motion_y)
{
int cbpc, cbpy, pred_x, pred_y;
PutBitContext * const pb2 = s->data_partitioning ? &s->pb2 : &s->pb;
- PutBitContext * const tex_pb = s->data_partitioning && s->pict_type!=B_TYPE ? &s->tex_pb : &s->pb;
- PutBitContext * const dc_pb = s->data_partitioning && s->pict_type!=I_TYPE ? &s->pb2 : &s->pb;
+ PutBitContext * const tex_pb = s->data_partitioning && s->pict_type!=FF_B_TYPE ? &s->tex_pb : &s->pb;
+ PutBitContext * const dc_pb = s->data_partitioning && s->pict_type!=FF_I_TYPE ? &s->pb2 : &s->pb;
const int interleaved_stats= (s->flags&CODEC_FLAG_PASS1) && !s->data_partitioning ? 1 : 0;
- const int dquant_code[5]= {1,0,9,2,3};
// printf("**mb x=%d y=%d\n", s->mb_x, s->mb_y);
if (!s->mb_intra) {
int i, cbp;
- if(s->pict_type==B_TYPE){
- static const int mb_type_table[8]= {-1, 2, 3, 1,-1,-1,-1, 0}; /* convert from mv_dir to type */
+ if(s->pict_type==FF_B_TYPE){
+ static const int mb_type_table[8]= {-1, 3, 2, 1,-1,-1,-1, 0}; /* convert from mv_dir to type */
int mb_type= mb_type_table[s->mv_dir];
if(s->mb_x==0){
s->p_tex_bits+= get_bits_diff(s);
}
- }else{ /* s->pict_type==B_TYPE */
+ }else{ /* s->pict_type==FF_B_TYPE */
cbp= get_p_cbp(s, block, motion_x, motion_y);
if ((cbp | motion_x | motion_y | s->dquant) == 0 && s->mv_type==MV_TYPE_16X16) {
int diff;
Picture *pic= s->reordered_input_picture[i+1];
- if(pic==NULL || pic->pict_type!=B_TYPE) break;
+ if(pic==NULL || pic->pict_type!=FF_B_TYPE) break;
b_pic= pic->data[0] + offset;
if(pic->type != FF_BUFFER_TYPE_SHARED)
}
cbpc = cbp & 3;
- if (s->pict_type == I_TYPE) {
+ if (s->pict_type == FF_I_TYPE) {
if(s->dquant) cbpc+=4;
put_bits(&s->pb,
intra_MCBPC_bits[cbpc],
int cbpc, cbpy, i, cbp, pred_x, pred_y;
int16_t pred_dc;
int16_t rec_intradc[6];
- uint16_t *dc_ptr[6];
+ int16_t *dc_ptr[6];
const int interleaved_stats= (s->flags&CODEC_FLAG_PASS1);
- const int dquant_code[5]= {1,0,9,2,3};
//printf("**mb x=%d y=%d\n", s->mb_x, s->mb_y);
if (!s->mb_intra) {
}
cbpc = cbp & 3;
- if (s->pict_type == I_TYPE) {
+ if (s->pict_type == FF_I_TYPE) {
if(s->dquant) cbpc+=4;
put_bits(&s->pb,
intra_MCBPC_bits[cbpc],
uint8_t *dest_cb= s->dest[1];
uint8_t *dest_cr= s->dest[2];
-// if(s->pict_type==B_TYPE && !s->readable) return;
+// if(s->pict_type==FF_B_TYPE && !s->readable) return;
/*
Diag Top
qp_c= 0;
if(s->mb_y){
- int qp_dt, qp_t, qp_tc;
+ int qp_dt, qp_tt, qp_tc;
if(IS_SKIP(s->current_picture.mb_type[xy-s->mb_stride]))
- qp_t=0;
+ qp_tt=0;
else
- qp_t= s->current_picture.qscale_table[xy-s->mb_stride];
+ qp_tt= s->current_picture.qscale_table[xy-s->mb_stride];
if(qp_c)
qp_tc= qp_c;
else
- qp_tc= qp_t;
+ qp_tc= qp_tt;
if(qp_tc){
const int chroma_qp= s->chroma_qscale_table[qp_tc];
s->dsp.h263_v_loop_filter(dest_cr , uvlinesize, chroma_qp);
}
- if(qp_t)
- s->dsp.h263_h_loop_filter(dest_y-8*linesize+8 , linesize, qp_t);
+ if(qp_tt)
+ s->dsp.h263_h_loop_filter(dest_y-8*linesize+8 , linesize, qp_tt);
if(s->mb_x){
- if(qp_t || IS_SKIP(s->current_picture.mb_type[xy-1-s->mb_stride]))
- qp_dt= qp_t;
+ if(qp_tt || IS_SKIP(s->current_picture.mb_type[xy-1-s->mb_stride]))
+ qp_dt= qp_tt;
else
qp_dt= s->current_picture.qscale_table[xy-1-s->mb_stride];
}
}
-#ifdef CONFIG_ENCODERS
-static int h263_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr)
+#if CONFIG_ENCODERS
+static int h263_pred_dc(MpegEncContext * s, int n, int16_t **dc_val_ptr)
{
- int x, y, wrap, a, c, pred_dc, scale;
- uint16_t *dc_val;
+ int x, y, wrap, a, c, pred_dc;
+ int16_t *dc_val;
/* find prediction */
if (n < 4) {
y = 2 * s->mb_y + ((n & 2) >> 1);
wrap = s->b8_stride;
dc_val = s->dc_val[0];
- scale = s->y_dc_scale;
} else {
x = s->mb_x;
y = s->mb_y;
wrap = s->mb_stride;
dc_val = s->dc_val[n - 4 + 1];
- scale = s->c_dc_scale;
}
/* B C
* A X
if(n!=2) c= 1024;
if(n!=1 && s->mb_x == s->resync_mb_x) a= 1024;
}
- pred_dc = 1024;
/* just DC prediction */
if (a != 1024 && c != 1024)
pred_dc = (a + c) >> 1;
pred_dc = c;
/* we assume pred is positive */
- //pred_dc = (pred_dc + (scale >> 1)) / scale;
*dc_val_ptr = &dc_val[x + y * wrap];
return pred_dc;
}
static void h263_pred_acdc(MpegEncContext * s, DCTELEM *block, int n)
{
int x, y, wrap, a, c, pred_dc, scale, i;
- uint16_t *dc_val;
- int16_t *ac_val, *ac_val1;
+ int16_t *dc_val, *ac_val, *ac_val1;
/* find prediction */
if (n < 4) {
return *mot_val;
}
-#ifdef CONFIG_ENCODERS
+#if CONFIG_ENCODERS
void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code)
{
int range, l, bit_size, sign, code, bits;
int f_code;
int mv;
- if(mv_penalty==NULL)
- mv_penalty= av_mallocz( sizeof(uint8_t)*(MAX_FCODE+1)*(2*MAX_MV+1) );
-
for(f_code=1; f_code<=MAX_FCODE; f_code++){
for(mv=-MAX_MV; mv<=MAX_MV; mv++){
int len;
if(mv==0) len= mvtab[0][1];
else{
- int val, bit_size, range, code;
+ int val, bit_size, code;
bit_size = f_code - 1;
- range = 1 << bit_size;
val=mv;
if (val < 0)
umv_fcode_tab[mv]= 1;
}
}
-#endif
-
-#ifdef CONFIG_ENCODERS
static void init_uni_dc_tab(void)
{
}
}
-#endif //CONFIG_ENCODERS
-
-#ifdef CONFIG_ENCODERS
static void init_uni_mpeg4_rl_tab(RLTable *rl, uint32_t *bits_tab, uint8_t *len_tab){
int slevel, run, last;
init_uni_dc_tab();
- init_rl(&rl_inter, 1);
- init_rl(&rl_intra, 1);
- init_rl(&rl_intra_aic, 1);
+ init_rl(&rl_inter, static_rl_table_store[0]);
+ init_rl(&rl_intra, static_rl_table_store[1]);
+ init_rl(&rl_intra_aic, static_rl_table_store[2]);
init_uni_mpeg4_rl_tab(&rl_intra, uni_mpeg4_intra_rl_bits, uni_mpeg4_intra_rl_len);
init_uni_mpeg4_rl_tab(&rl_inter, uni_mpeg4_inter_rl_bits, uni_mpeg4_inter_rl_len);
assert(slevel != 0);
if(level < 128)
- put_bits(&s->pb, 8, slevel & 0xff);
+ put_sbits(&s->pb, 8, slevel);
else{
put_bits(&s->pb, 8, 128);
- put_bits(&s->pb, 5, slevel & 0x1f);
- put_bits(&s->pb, 6, (slevel>>5)&0x3f);
+ put_sbits(&s->pb, 5, slevel);
+ put_sbits(&s->pb, 6, slevel>>5);
}
}else{
if(level < 64) { // 7-bit level
put_bits(&s->pb, 1, last);
put_bits(&s->pb, 6, run);
- put_bits(&s->pb, 7, slevel & 0x7f);
+ put_sbits(&s->pb, 7, slevel);
} else {
/* 11-bit level */
put_bits(&s->pb, 1, 1);
put_bits(&s->pb, 1, last);
put_bits(&s->pb, 6, run);
- put_bits(&s->pb, 11, slevel & 0x7ff);
+ put_sbits(&s->pb, 11, slevel);
}
}
} else {
}
}
}
-#endif
-
-#ifdef CONFIG_ENCODERS
/***************************************************/
/**
}
/* must be called before writing the header */
-void ff_set_mpeg4_time(MpegEncContext * s, int picture_number){
- int time_div, time_mod;
-
- assert(s->current_picture_ptr->pts != AV_NOPTS_VALUE);
- s->time= s->current_picture_ptr->pts*s->avctx->time_base.num;
-
- time_div= s->time/s->avctx->time_base.den;
- time_mod= s->time%s->avctx->time_base.den;
-
- if(s->pict_type==B_TYPE){
- s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
- assert(s->pb_time > 0 && s->pb_time < s->pp_time);
+void ff_set_mpeg4_time(MpegEncContext * s){
+ if(s->pict_type==FF_B_TYPE){
ff_mpeg4_init_direct_mv(s);
}else{
s->last_time_base= s->time_base;
- s->time_base= time_div;
- s->pp_time= s->time - s->last_non_b_time;
- s->last_non_b_time= s->time;
- assert(picture_number==0 || s->pp_time > 0);
+ s->time_base= s->time/s->avctx->time_base.den;
}
}
{
int vo_ver_id;
+ if (!CONFIG_MPEG4_ENCODER) return;
+
if(s->max_b_frames || s->quarter_sample){
vo_ver_id= 5;
s->vo_type= ADV_SIMPLE_VO_TYPE;
int time_incr;
int time_div, time_mod;
- if(s->pict_type==I_TYPE){
+ if(s->pict_type==FF_I_TYPE){
if(!(s->flags&CODEC_FLAG_GLOBAL_HEADER)){
if(s->strict_std_compliance < FF_COMPLIANCE_VERY_STRICT) //HACK, the reference sw is buggy
mpeg4_encode_visual_object_header(s);
mpeg4_encode_gop_header(s);
}
- s->partitioned_frame= s->data_partitioning && s->pict_type!=B_TYPE;
+ s->partitioned_frame= s->data_partitioning && s->pict_type!=FF_B_TYPE;
//printf("num:%d rate:%d base:%d\n", s->picture_number, s->time_base.den, FRAME_RATE_BASE);
put_bits(&s->pb, s->time_increment_bits, time_mod); /* time increment */
put_bits(&s->pb, 1, 1); /* marker */
put_bits(&s->pb, 1, 1); /* vop coded */
- if ( s->pict_type == P_TYPE
- || (s->pict_type == S_TYPE && s->vol_sprite_usage==GMC_SPRITE)) {
+ if ( s->pict_type == FF_P_TYPE
+ || (s->pict_type == FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE)) {
put_bits(&s->pb, 1, s->no_rounding); /* rounding type */
}
put_bits(&s->pb, 3, 0); /* intra dc VLC threshold */
put_bits(&s->pb, 5, s->qscale);
- if (s->pict_type != I_TYPE)
+ if (s->pict_type != FF_I_TYPE)
put_bits(&s->pb, 3, s->f_code); /* fcode_for */
- if (s->pict_type == B_TYPE)
+ if (s->pict_type == FF_B_TYPE)
put_bits(&s->pb, 3, s->b_code); /* fcode_back */
// printf("****frame %d\n", picture_number);
}
#endif //CONFIG_ENCODERS
-/**
- * set qscale and update qscale dependant variables.
- */
-void ff_set_qscale(MpegEncContext * s, int qscale)
-{
- if (qscale < 1)
- qscale = 1;
- else if (qscale > 31)
- qscale = 31;
-
- s->qscale = qscale;
- s->chroma_qscale= s->chroma_qscale_table[qscale];
-
- s->y_dc_scale= s->y_dc_scale_table[ qscale ];
- s->c_dc_scale= s->c_dc_scale_table[ s->chroma_qscale ];
-}
-
/**
* predicts the dc.
* encoding quantized level -> quantized diff
static inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, int level, int *dir_ptr, int encoding)
{
int a, b, c, wrap, pred, scale, ret;
- uint16_t *dc_val;
+ int16_t *dc_val;
/* find prediction */
if (n < 4) {
}else{
level += pred;
ret= level;
- if(s->error_resilience>=3){
+ if(s->error_recognition>=3){
if(level<0){
av_log(s->avctx, AV_LOG_ERROR, "dc<0 at %dx%d\n", s->mb_x, s->mb_y);
return -1;
}
-#ifdef CONFIG_ENCODERS
+#if CONFIG_ENCODERS
/**
* encodes the dc value.
put_bits(ac_pb, 1, last);
put_bits(ac_pb, 6, run);
put_bits(ac_pb, 1, 1);
- put_bits(ac_pb, 12, slevel & 0xfff);
+ put_sbits(ac_pb, 12, slevel);
put_bits(ac_pb, 1, 1);
} else {
/* second escape */
uint8_t *scan_table)
{
int i, last_non_zero;
- const RLTable *rl;
uint8_t *len_tab;
const int last_index = s->block_last_index[n];
int len=0;
len += mpeg4_get_dc_length(intra_dc, n);
if(last_index<1) return len;
i = 1;
- rl = &rl_intra;
len_tab = uni_mpeg4_intra_rl_len;
} else {
if(last_index<0) return 0;
i = 0;
- rl = &rl_inter;
len_tab = uni_mpeg4_inter_rl_len;
}
static VLC h263_mbtype_b_vlc;
static VLC cbpc_b_vlc;
-void init_vlc_rl(RLTable *rl, int use_static)
-{
- int i, q;
-
- /* Return if static table is already initialized */
- if(use_static && rl->rl_vlc[0])
- return;
-
- init_vlc(&rl->vlc, 9, rl->n + 1,
- &rl->table_vlc[0][1], 4, 2,
- &rl->table_vlc[0][0], 4, 2, use_static);
-
-
- for(q=0; q<32; q++){
- int qmul= q*2;
- int qadd= (q-1)|1;
-
- if(q==0){
- qmul=1;
- qadd=0;
- }
- if(use_static)
- rl->rl_vlc[q]= av_mallocz_static(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
- else
- rl->rl_vlc[q]= av_malloc(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
- for(i=0; i<rl->vlc.table_size; i++){
- int code= rl->vlc.table[i][0];
- int len = rl->vlc.table[i][1];
- int level, run;
-
- if(len==0){ // illegal code
- run= 66;
- level= MAX_LEVEL;
- }else if(len<0){ //more bits needed
- run= 0;
- level= code;
- }else{
- if(code==rl->n){ //esc
- run= 66;
- level= 0;
- }else{
- run= rl->table_run [code] + 1;
- level= rl->table_level[code] * qmul + qadd;
- if(code >= rl->last) run+=192;
- }
- }
- rl->rl_vlc[q][i].len= len;
- rl->rl_vlc[q][i].level= level;
- rl->rl_vlc[q][i].run= run;
- }
- }
-}
-
/* init vlcs */
/* XXX: find a better solution to handle static init */
if (!done) {
done = 1;
- init_vlc(&intra_MCBPC_vlc, INTRA_MCBPC_VLC_BITS, 9,
+ INIT_VLC_STATIC(&intra_MCBPC_vlc, INTRA_MCBPC_VLC_BITS, 9,
intra_MCBPC_bits, 1, 1,
- intra_MCBPC_code, 1, 1, 1);
- init_vlc(&inter_MCBPC_vlc, INTER_MCBPC_VLC_BITS, 28,
+ intra_MCBPC_code, 1, 1, 72);
+ INIT_VLC_STATIC(&inter_MCBPC_vlc, INTER_MCBPC_VLC_BITS, 28,
inter_MCBPC_bits, 1, 1,
- inter_MCBPC_code, 1, 1, 1);
- init_vlc(&cbpy_vlc, CBPY_VLC_BITS, 16,
+ inter_MCBPC_code, 1, 1, 198);
+ INIT_VLC_STATIC(&cbpy_vlc, CBPY_VLC_BITS, 16,
&cbpy_tab[0][1], 2, 1,
- &cbpy_tab[0][0], 2, 1, 1);
- init_vlc(&mv_vlc, MV_VLC_BITS, 33,
+ &cbpy_tab[0][0], 2, 1, 64);
+ INIT_VLC_STATIC(&mv_vlc, MV_VLC_BITS, 33,
&mvtab[0][1], 2, 1,
- &mvtab[0][0], 2, 1, 1);
- init_rl(&rl_inter, 1);
- init_rl(&rl_intra, 1);
- init_rl(&rvlc_rl_inter, 1);
- init_rl(&rvlc_rl_intra, 1);
- init_rl(&rl_intra_aic, 1);
- init_vlc_rl(&rl_inter, 1);
- init_vlc_rl(&rl_intra, 1);
- init_vlc_rl(&rvlc_rl_inter, 1);
- init_vlc_rl(&rvlc_rl_intra, 1);
- init_vlc_rl(&rl_intra_aic, 1);
- init_vlc(&dc_lum, DC_VLC_BITS, 10 /* 13 */,
+ &mvtab[0][0], 2, 1, 538);
+ init_rl(&rl_inter, static_rl_table_store[0]);
+ init_rl(&rl_intra, static_rl_table_store[1]);
+ init_rl(&rvlc_rl_inter, static_rl_table_store[3]);
+ init_rl(&rvlc_rl_intra, static_rl_table_store[4]);
+ init_rl(&rl_intra_aic, static_rl_table_store[2]);
+ INIT_VLC_RL(rl_inter, 554);
+ INIT_VLC_RL(rl_intra, 554);
+ INIT_VLC_RL(rvlc_rl_inter, 1072);
+ INIT_VLC_RL(rvlc_rl_intra, 1072);
+ INIT_VLC_RL(rl_intra_aic, 554);
+ INIT_VLC_STATIC(&dc_lum, DC_VLC_BITS, 10 /* 13 */,
&DCtab_lum[0][1], 2, 1,
- &DCtab_lum[0][0], 2, 1, 1);
- init_vlc(&dc_chrom, DC_VLC_BITS, 10 /* 13 */,
+ &DCtab_lum[0][0], 2, 1, 512);
+ INIT_VLC_STATIC(&dc_chrom, DC_VLC_BITS, 10 /* 13 */,
&DCtab_chrom[0][1], 2, 1,
- &DCtab_chrom[0][0], 2, 1, 1);
- init_vlc(&sprite_trajectory, SPRITE_TRAJ_VLC_BITS, 15,
+ &DCtab_chrom[0][0], 2, 1, 512);
+ INIT_VLC_STATIC(&sprite_trajectory, SPRITE_TRAJ_VLC_BITS, 15,
&sprite_trajectory_tab[0][1], 4, 2,
- &sprite_trajectory_tab[0][0], 4, 2, 1);
- init_vlc(&mb_type_b_vlc, MB_TYPE_B_VLC_BITS, 4,
+ &sprite_trajectory_tab[0][0], 4, 2, 128);
+ INIT_VLC_STATIC(&mb_type_b_vlc, MB_TYPE_B_VLC_BITS, 4,
&mb_type_b_tab[0][1], 2, 1,
- &mb_type_b_tab[0][0], 2, 1, 1);
- init_vlc(&h263_mbtype_b_vlc, H263_MBTYPE_B_VLC_BITS, 15,
+ &mb_type_b_tab[0][0], 2, 1, 16);
+ INIT_VLC_STATIC(&h263_mbtype_b_vlc, H263_MBTYPE_B_VLC_BITS, 15,
&h263_mbtype_b_tab[0][1], 2, 1,
- &h263_mbtype_b_tab[0][0], 2, 1, 1);
- init_vlc(&cbpc_b_vlc, CBPC_B_VLC_BITS, 4,
+ &h263_mbtype_b_tab[0][0], 2, 1, 80);
+ INIT_VLC_STATIC(&cbpc_b_vlc, CBPC_B_VLC_BITS, 4,
&cbpc_b_tab[0][1], 2, 1,
- &cbpc_b_tab[0][0], 2, 1, 1);
+ &cbpc_b_tab[0][0], 2, 1, 8);
}
}
/**
* decodes the group of blocks header or slice header.
- * @return <0 if an error occured
+ * @return <0 if an error occurred
*/
static int h263_decode_gob_header(MpegEncContext *s)
{
tab[i] = val;
}
-#ifdef CONFIG_ENCODERS
+#if CONFIG_ENCODERS
void ff_mpeg4_init_partitions(MpegEncContext *s)
{
- uint8_t *start= pbBufPtr(&s->pb);
+ uint8_t *start= put_bits_ptr(&s->pb);
uint8_t *end= s->pb.buf_end;
int size= end - start;
- int pb_size = (((long)start + size/3)&(~3)) - (long)start;
+ int pb_size = (((intptr_t)start + size/3)&(~3)) - (intptr_t)start;
int tex_size= (size - 2*pb_size)&(~3);
set_put_bits_buffer_size(&s->pb, pb_size);
const int tex_pb_len= put_bits_count(&s->tex_pb);
const int bits= put_bits_count(&s->pb);
- if(s->pict_type==I_TYPE){
+ if(s->pict_type==FF_I_TYPE){
put_bits(&s->pb, 19, DC_MARKER);
s->misc_bits+=19 + pb2_len + bits - s->last_bits;
s->i_tex_bits+= tex_pb_len;
int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s){
switch(s->pict_type){
- case I_TYPE:
+ case FF_I_TYPE:
return 16;
- case P_TYPE:
- case S_TYPE:
+ case FF_P_TYPE:
+ case FF_S_TYPE:
return s->f_code+15;
- case B_TYPE:
- return FFMAX(FFMAX(s->f_code, s->b_code)+15, 17);
+ case FF_B_TYPE:
+ return FFMAX3(s->f_code, s->b_code, 2) + 15;
default:
return -1;
}
}
-#ifdef CONFIG_ENCODERS
+#if CONFIG_ENCODERS
void ff_mpeg4_encode_video_packet_header(MpegEncContext *s)
{
* @return 0 if not
*/
static inline int mpeg4_is_resync(MpegEncContext *s){
- const int bits_count= get_bits_count(&s->gb);
+ int bits_count= get_bits_count(&s->gb);
+ int v= show_bits(&s->gb, 16);
if(s->workaround_bugs&FF_BUG_NO_PADDING){
return 0;
}
+ while(v<=0xFF){
+ if(s->pict_type==FF_B_TYPE || (v>>(8-s->pict_type)!=1) || s->partitioned_frame)
+ break;
+ skip_bits(&s->gb, 8+s->pict_type);
+ bits_count+= 8+s->pict_type;
+ v= show_bits(&s->gb, 16);
+ }
+
if(bits_count + 8 >= s->gb.size_in_bits){
- int v= show_bits(&s->gb, 8);
+ v>>=8;
v|= 0x7F >> (7-(bits_count&7));
if(v==0x7F)
return 1;
}else{
- if(show_bits(&s->gb, 16) == ff_mpeg4_resync_prefix[bits_count&7]){
+ if(v == ff_mpeg4_resync_prefix[bits_count&7]){
int len;
GetBitContext gb= s->gb;
av_log(s->avctx, AV_LOG_ERROR, "illegal mb_num in video packet (%d %d) \n", mb_num, s->mb_num);
return -1;
}
- if(s->pict_type == B_TYPE){
+ if(s->pict_type == FF_B_TYPE){
while(s->next_picture.mbskip_table[ s->mb_index2xy[ mb_num ] ]) mb_num++;
- if(mb_num >= s->mb_num) return -1; // slice contains just skipped MBs which where allready decoded
+ if(mb_num >= s->mb_num) return -1; // slice contains just skipped MBs which where already decoded
}
s->mb_x= mb_num % s->mb_width;
if(s->shape != BIN_ONLY_SHAPE){
skip_bits(&s->gb, 3); /* intra dc vlc threshold */
//FIXME don't just ignore everything
- if(s->pict_type == S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
+ if(s->pict_type == FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
mpeg4_decode_sprite_trajectory(s, &s->gb);
av_log(s->avctx, AV_LOG_ERROR, "untested\n");
}
//FIXME reduced res stuff here
- if (s->pict_type != I_TYPE) {
+ if (s->pict_type != FF_I_TYPE) {
int f_code = get_bits(&s->gb, 3); /* fcode_for */
if(f_code==0){
av_log(s->avctx, AV_LOG_ERROR, "Error, video packet header damaged (f_code=0)\n");
}
}
- if (s->pict_type == B_TYPE) {
+ if (s->pict_type == FF_B_TYPE) {
int b_code = get_bits(&s->gb, 3);
if(b_code==0){
av_log(s->avctx, AV_LOG_ERROR, "Error, video packet header damaged (b_code=0)\n");
s->last_mv[1][0][1]= 0;
}
+/**
+ * finds the next resync_marker
+ * @param p pointer to buffer to scan
+ * @param end pointer to the end of the buffer
+ * @return pointer to the next resync_marker, or \p end if none was found
+ */
+const uint8_t *ff_h263_find_resync_marker(const uint8_t *restrict p, const uint8_t * restrict end)
+{
+ assert(p < end);
+
+ end-=2;
+ p++;
+ for(;p<end; p+=2){
+ if(!*p){
+ if (!p[-1] && p[1]) return p - 1;
+ else if(!p[ 1] && p[2]) return p;
+ }
+ }
+ return end+2;
+}
+
/**
* decodes the group of blocks / video packet header.
- * @return <0 if no resync found
+ * @return bit position of the resync_marker, or <0 if none was found
*/
int ff_h263_resync(MpegEncContext *s){
- int left, ret;
+ int left, pos, ret;
if(s->codec_id==CODEC_ID_MPEG4){
skip_bits1(&s->gb);
}
if(show_bits(&s->gb, 16)==0){
+ pos= get_bits_count(&s->gb);
if(s->codec_id==CODEC_ID_MPEG4)
ret= mpeg4_decode_video_packet_header(s);
else
ret= h263_decode_gob_header(s);
if(ret>=0)
- return 0;
+ return pos;
}
- //ok, it's not where its supposed to be ...
+ //OK, it's not where it is supposed to be ...
s->gb= s->last_resync_gb;
align_get_bits(&s->gb);
left= s->gb.size_in_bits - get_bits_count(&s->gb);
if(show_bits(&s->gb, 16)==0){
GetBitContext bak= s->gb;
+ pos= get_bits_count(&s->gb);
if(s->codec_id==CODEC_ID_MPEG4)
ret= mpeg4_decode_video_packet_header(s);
else
ret= h263_decode_gob_header(s);
if(ret>=0)
- return 0;
+ return pos;
s->gb= bak;
}
/**
* decodes first partition.
- * @return number of MBs decoded or <0 if an error occured
+ * @return number of MBs decoded or <0 if an error occurred
*/
static int mpeg4_decode_partition_a(MpegEncContext *s){
int mb_num;
if(s->mb_x == s->resync_mb_x && s->mb_y == s->resync_mb_y+1)
s->first_slice_line=0;
- if(s->pict_type==I_TYPE){
+ if(s->pict_type==FF_I_TYPE){
int i;
do{
skip_bits1(&s->gb);
if(bits&0x10000){
/* skip mb */
- if(s->pict_type==S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
+ if(s->pict_type==FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_GMC | MB_TYPE_L0;
mx= get_amv(s, 0);
my= get_amv(s, 1);
if(s->mbintra_table[xy])
ff_clean_intra_table_entries(s);
- if(s->pict_type==S_TYPE && s->vol_sprite_usage==GMC_SPRITE && (cbpc & 16) == 0)
+ if(s->pict_type==FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE && (cbpc & 16) == 0)
s->mcsel= get_bits1(&s->gb);
else s->mcsel= 0;
/**
* decode second partition.
- * @return <0 if an error occured
+ * @return <0 if an error occurred
*/
static int mpeg4_decode_partition_b(MpegEncContext *s, int mb_count){
int mb_num=0;
if(s->mb_x == s->resync_mb_x && s->mb_y == s->resync_mb_y+1)
s->first_slice_line=0;
- if(s->pict_type==I_TYPE){
+ if(s->pict_type==FF_I_TYPE){
int ac_pred= get_bits1(&s->gb);
int cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1);
if(cbpy<0){
int ff_mpeg4_decode_partitions(MpegEncContext *s)
{
int mb_num;
- const int part_a_error= s->pict_type==I_TYPE ? (DC_ERROR|MV_ERROR) : MV_ERROR;
- const int part_a_end = s->pict_type==I_TYPE ? (DC_END |MV_END) : MV_END;
+ const int part_a_error= s->pict_type==FF_I_TYPE ? (DC_ERROR|MV_ERROR) : MV_ERROR;
+ const int part_a_end = s->pict_type==FF_I_TYPE ? (DC_END |MV_END) : MV_END;
mb_num= mpeg4_decode_partition_a(s);
if(mb_num<0){
s->mb_num_left= mb_num;
- if(s->pict_type==I_TYPE){
+ if(s->pict_type==FF_I_TYPE){
while(show_bits(&s->gb, 9) == 1)
skip_bits(&s->gb, 9);
if(get_bits_long(&s->gb, 19)!=DC_MARKER){
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, part_a_end);
if( mpeg4_decode_partition_b(s, mb_num) < 0){
- if(s->pict_type==P_TYPE)
+ if(s->pict_type==FF_P_TYPE)
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, DC_ERROR);
return -1;
}else{
- if(s->pict_type==P_TYPE)
+ if(s->pict_type==FF_P_TYPE)
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, DC_END);
}
/**
* decode partition C of one MB.
- * @return <0 if an error occured
+ * @return <0 if an error occurred
*/
static int mpeg4_decode_partitioned_mb(MpegEncContext *s, DCTELEM block[6][64])
{
ff_set_qscale(s, s->current_picture.qscale_table[xy] );
}
- if (s->pict_type == P_TYPE || s->pict_type==S_TYPE) {
+ if (s->pict_type == FF_P_TYPE || s->pict_type==FF_S_TYPE) {
int i;
for(i=0; i<4; i++){
s->mv[0][i][0] = s->current_picture.motion_val[0][ s->block_index[i] ][0];
s->block_last_index[i] = -1;
s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16;
- if(s->pict_type==S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
+ if(s->pict_type==FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
s->mcsel=1;
s->mb_skipped = 0;
}else{
s->block_index[i]+= 1;
s->mb_x++;
- assert(s->pict_type == P_TYPE);
+ assert(s->pict_type == FF_P_TYPE);
do{
if (get_bits1(&s->gb)) {
ff_set_qscale(s, s->qscale);
}
+static int h263_skip_b_part(MpegEncContext *s, int cbp)
+{
+ DECLARE_ALIGNED(16, DCTELEM, dblock[64]);
+ int i, mbi;
+
+ /* we have to set s->mb_intra to zero to decode B-part of PB-frame correctly
+ * but real value should be restored in order to be used later (in OBMC condition)
+ */
+ mbi = s->mb_intra;
+ s->mb_intra = 0;
+ for (i = 0; i < 6; i++) {
+ if (h263_decode_block(s, dblock, i, cbp&32) < 0)
+ return -1;
+ cbp+=cbp;
+ }
+ s->mb_intra = mbi;
+ return 0;
+}
+
+static int h263_get_modb(GetBitContext *gb, int pb_frame, int *cbpb)
+{
+ int c, mv = 1;
+
+ if (pb_frame < 3) { // h.263 Annex G and i263 PB-frame
+ c = get_bits1(gb);
+ if (pb_frame == 2 && c)
+ mv = !get_bits1(gb);
+ } else { // h.263 Annex M improved PB-frame
+ mv = get_unary(gb, 0, 4) + 1;
+ c = mv & 1;
+ mv = !!(mv & 2);
+ }
+ if(c)
+ *cbpb = get_bits(gb, 6);
+ return mv;
+}
+
int ff_h263_decode_mb(MpegEncContext *s,
DCTELEM block[6][64])
{
int cbpc, cbpy, i, cbp, pred_x, pred_y, mx, my, dquant;
int16_t *mot_val;
const int xy= s->mb_x + s->mb_y * s->mb_stride;
+ int cbpb = 0, pb_mv_count = 0;
assert(!s->h263_pred);
- if (s->pict_type == P_TYPE) {
+ if (s->pict_type == FF_P_TYPE) {
do{
if (get_bits1(&s->gb)) {
/* skip mb */
s->mb_intra = ((cbpc & 4) != 0);
if (s->mb_intra) goto intra;
+ if(s->pb_frame && get_bits1(&s->gb))
+ pb_mv_count = h263_get_modb(&s->gb, s->pb_frame, &cbpb);
cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1);
if(s->alt_inter_vlc==0 || (cbpc & 3)!=3)
mot_val[1] = my;
}
}
-
- /* decode each block */
- for (i = 0; i < 6; i++) {
- if (h263_decode_block(s, block[i], i, cbp&32) < 0)
- return -1;
- cbp+=cbp;
- }
-
- if(s->obmc){
- if(s->pict_type == P_TYPE && s->mb_x+1<s->mb_width && s->mb_num_left != 1)
- preview_obmc(s);
- }
- } else if(s->pict_type==B_TYPE) {
+ } else if(s->pict_type==FF_B_TYPE) {
int mb_type;
const int stride= s->b8_stride;
int16_t *mot_val0 = s->current_picture.motion_val[0][ 2*(s->mb_x + s->mb_y*stride) ];
}
s->current_picture.mb_type[xy]= mb_type;
-
- /* decode each block */
- for (i = 0; i < 6; i++) {
- if (h263_decode_block(s, block[i], i, cbp&32) < 0)
- return -1;
- cbp+=cbp;
- }
} else { /* I-Frame */
do{
cbpc = get_vlc2(&s->gb, intra_MCBPC_vlc.table, INTRA_MCBPC_VLC_BITS, 2);
}else
s->ac_pred = 0;
+ if(s->pb_frame && get_bits1(&s->gb))
+ pb_mv_count = h263_get_modb(&s->gb, s->pb_frame, &cbpb);
cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1);
if(cbpy<0){
av_log(s->avctx, AV_LOG_ERROR, "I cbpy damaged at %d %d\n", s->mb_x, s->mb_y);
h263_decode_dquant(s);
}
- /* decode each block */
- for (i = 0; i < 6; i++) {
- if (h263_decode_block(s, block[i], i, cbp&32) < 0)
- return -1;
- cbp+=cbp;
- }
+ pb_mv_count += !!s->pb_frame;
+ }
+
+ while(pb_mv_count--){
+ h263_decode_motion(s, 0, 1);
+ h263_decode_motion(s, 0, 1);
+ }
+
+ /* decode each block */
+ for (i = 0; i < 6; i++) {
+ if (h263_decode_block(s, block[i], i, cbp&32) < 0)
+ return -1;
+ cbp+=cbp;
+ }
+
+ if(s->pb_frame && h263_skip_b_part(s, cbpb) < 0)
+ return -1;
+ if(s->obmc && !s->mb_intra){
+ if(s->pict_type == FF_P_TYPE && s->mb_x+1<s->mb_width && s->mb_num_left != 1)
+ preview_obmc(s);
}
end:
assert(s->h263_pred);
- if (s->pict_type == P_TYPE || s->pict_type==S_TYPE) {
+ if (s->pict_type == FF_P_TYPE || s->pict_type==FF_S_TYPE) {
do{
if (get_bits1(&s->gb)) {
/* skip mb */
s->block_last_index[i] = -1;
s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16;
- if(s->pict_type==S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
+ if(s->pict_type==FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_GMC | MB_TYPE_16x16 | MB_TYPE_L0;
s->mcsel=1;
s->mv[0][0][0]= get_amv(s, 0);
s->mb_intra = ((cbpc & 4) != 0);
if (s->mb_intra) goto intra;
- if(s->pict_type==S_TYPE && s->vol_sprite_usage==GMC_SPRITE && (cbpc & 16) == 0)
+ if(s->pict_type==FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE && (cbpc & 16) == 0)
s->mcsel= get_bits1(&s->gb);
else s->mcsel= 0;
cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1) ^ 0x0F;
mot_val[1] = my;
}
}
- } else if(s->pict_type==B_TYPE) {
+ } else if(s->pict_type==FF_B_TYPE) {
int modb1; // first bit of modb
int modb2; // second bit of modb
int mb_type;
/* per-MB end of slice check */
if(s->codec_id==CODEC_ID_MPEG4){
-#if 0 //http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_IEC_14496-4_2004_Conformance_Testing/video_conformance/version_1/simple/ERROR.ZIP/mit025.m4v needs this but its unclear if the mpeg4 standard allows this at all (MN)
- if(s->pict_type != B_TYPE){
- while(show_bits(&s->gb, 9 + (s->pict_type == P_TYPE)) == 1)
- skip_bits(&s->gb, 9 + (s->pict_type == P_TYPE));
- }
-#endif
if(mpeg4_is_resync(s)){
const int delta= s->mb_x + 1 == s->mb_width ? 2 : 1;
- if(s->pict_type==B_TYPE && s->next_picture.mbskip_table[xy + delta])
+ if(s->pict_type==FF_B_TYPE && s->next_picture.mbskip_table[xy + delta])
return SLICE_OK;
return SLICE_END;
}
} else if (s->mb_intra) {
/* DC coef */
if(s->codec_id == CODEC_ID_RV10){
-#ifdef CONFIG_RV10_DECODER
- if (s->rv10_version == 3 && s->pict_type == I_TYPE) {
+#if CONFIG_RV10_DECODER
+ if (s->rv10_version == 3 && s->pict_type == FF_I_TYPE) {
int component, diff;
component = (n <= 3 ? 0 : n - 4 + 1);
level = s->last_dc[component];
level = get_bits(&s->gb, 8);
if((level&0x7F) == 0){
av_log(s->avctx, AV_LOG_ERROR, "illegal dc %d at %d %d\n", level, s->mb_x, s->mb_y);
- if(s->error_resilience >= FF_ER_COMPLIANT)
+ if(s->error_recognition >= FF_ER_COMPLIANT)
return -1;
}
if (level == 255)
i += run;
if (i >= 64){
if(s->alt_inter_vlc && rl == &rl_inter && !s->mb_intra){
- //looks like a hack but no, it's the way its supposed to work ...
+ //Looks like a hack but no, it's the way it is supposed to work ...
rl = &rl_intra_aic;
i = 0;
s->gb= gb;
- memset(block, 0, sizeof(DCTELEM)*64);
+ s->dsp.clear_block(block);
goto retry;
}
av_log(s->avctx, AV_LOG_ERROR, "run overflow at %dx%d i:%d\n", s->mb_x, s->mb_y, s->mb_intra);
if (code > 8){
if(get_bits1(&s->gb)==0){ /* marker */
- if(s->error_resilience>=2){
+ if(s->error_recognition>=2){
av_log(s->avctx, AV_LOG_ERROR, "dc marker bit missing\n");
return -1;
}
/**
* decodes a block.
- * @return <0 if an error occured
+ * @return <0 if an error occurred
*/
static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
int n, int coded, int intra, int rvlc)
i = -1;
ff_mpeg4_pred_dc(s, n, 0, &dc_pred_dir, 0);
}
- if (!coded)
- goto not_coded;
+ if (!coded)
+ goto not_coded;
- if(rvlc){
- rl = &rvlc_rl_intra;
- rl_vlc = rvlc_rl_intra.rl_vlc[0];
- }else{
- rl = &rl_intra;
- rl_vlc = rl_intra.rl_vlc[0];
- }
- if (s->ac_pred) {
- if (dc_pred_dir == 0)
- scan_table = s->intra_v_scantable.permutated; /* left */
- else
- scan_table = s->intra_h_scantable.permutated; /* top */
- } else {
+ if(rvlc){
+ rl = &rvlc_rl_intra;
+ rl_vlc = rvlc_rl_intra.rl_vlc[0];
+ }else{
+ rl = &rl_intra;
+ rl_vlc = rl_intra.rl_vlc[0];
+ }
+ if (s->ac_pred) {
+ if (dc_pred_dir == 0)
+ scan_table = s->intra_v_scantable.permutated; /* left */
+ else
+ scan_table = s->intra_h_scantable.permutated; /* top */
+ } else {
scan_table = s->intra_scantable.permutated;
- }
- qmul=1;
- qadd=0;
+ }
+ qmul=1;
+ qadd=0;
} else {
i = -1;
if (!coded) {
}
#if 0
- if(s->error_resilience >= FF_ER_COMPLIANT){
- const int abs_level= ABS(level);
+ if(s->error_recognition >= FF_ER_COMPLIANT){
+ const int abs_level= FFABS(level);
if(abs_level<=MAX_LEVEL && run<=MAX_RUN){
const int run1= run - rl->max_run[last][abs_level] - 1;
if(abs_level <= rl->max_level[last][run]){
av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, vlc encoding possible\n");
return -1;
}
- if(s->error_resilience > FF_ER_COMPLIANT){
+ if(s->error_recognition > FF_ER_COMPLIANT){
if(abs_level <= rl->max_level[last][run]*2){
av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, esc 1 encoding possible\n");
return -1;
else level= level * qmul - qadd;
if((unsigned)(level + 2048) > 4095){
- if(s->error_resilience > FF_ER_COMPLIANT){
+ if(s->error_recognition > FF_ER_COMPLIANT){
if(level > 2560 || level<-2560){
av_log(s->avctx, AV_LOG_ERROR, "|level| overflow in 3. esc, qp=%d\n", s->qscale);
return -1;
if (!width)
return -1;
- s->pict_type = I_TYPE + get_bits1(&s->gb);
+ s->pict_type = FF_I_TYPE + get_bits1(&s->gb);
s->h263_long_vectors = get_bits1(&s->gb);
s->obmc= get_bits1(&s->gb); /* Advanced prediction mode */
s->unrestricted_mv = s->h263_long_vectors || s->obmc;
- if (get_bits1(&s->gb) != 0) {
- av_log(s->avctx, AV_LOG_ERROR, "H263 PB frame not supported\n");
- return -1; /* not PB frame */
- }
+ s->pb_frame = get_bits1(&s->gb);
s->chroma_qscale= s->qscale = get_bits(&s->gb, 5);
skip_bits1(&s->gb); /* Continuous Presence Multipoint mode: off */
if (ufep == 1) {
/* OPPTYPE */
format = get_bits(&s->gb, 3);
- dprintf("ufep=1, format: %d\n", format);
+ dprintf(s->avctx, "ufep=1, format: %d\n", format);
s->custom_pcf= get_bits1(&s->gb);
- s->umvplus = get_bits(&s->gb, 1); /* Unrestricted Motion Vector */
+ s->umvplus = get_bits1(&s->gb); /* Unrestricted Motion Vector */
if (get_bits1(&s->gb) != 0) {
av_log(s->avctx, AV_LOG_ERROR, "Syntax-based Arithmetic Coding (SAC) not supported\n");
}
/* MPPTYPE */
s->pict_type = get_bits(&s->gb, 3);
switch(s->pict_type){
- case 0: s->pict_type= I_TYPE;break;
- case 1: s->pict_type= P_TYPE;break;
- case 3: s->pict_type= B_TYPE;break;
- case 7: s->pict_type= I_TYPE;break; //ZYGO
+ case 0: s->pict_type= FF_I_TYPE;break;
+ case 1: s->pict_type= FF_P_TYPE;break;
+ case 2: s->pict_type= FF_P_TYPE;s->pb_frame = 3;break;
+ case 3: s->pict_type= FF_B_TYPE;break;
+ case 7: s->pict_type= FF_I_TYPE;break; //ZYGO
default:
return -1;
}
if (format == 6) {
/* Custom Picture Format (CPFMT) */
s->aspect_ratio_info = get_bits(&s->gb, 4);
- dprintf("aspect: %d\n", s->aspect_ratio_info);
+ dprintf(s->avctx, "aspect: %d\n", s->aspect_ratio_info);
/* aspect ratios:
0 - forbidden
1 - 1:1
width = (get_bits(&s->gb, 9) + 1) * 4;
skip_bits1(&s->gb);
height = get_bits(&s->gb, 9) * 4;
- dprintf("\nH.263+ Custom picture: %dx%d\n",width,height);
+ dprintf(s->avctx, "\nH.263+ Custom picture: %dx%d\n",width,height);
if (s->aspect_ratio_info == FF_ASPECT_EXTENDED) {
/* aspected dimensions */
s->avctx->sample_aspect_ratio.num= get_bits(&s->gb, 8);
av_log(s, AV_LOG_ERROR, "zero framerate\n");
return -1;
}
- gcd= ff_gcd(s->avctx->time_base.den, s->avctx->time_base.num);
+ gcd= av_gcd(s->avctx->time_base.den, s->avctx->time_base.num);
s->avctx->time_base.den /= gcd;
s->avctx->time_base.num /= gcd;
// av_log(s->avctx, AV_LOG_DEBUG, "%d/%d\n", s->avctx->time_base.den, s->avctx->time_base.num);
s->mb_height = (s->height + 15) / 16;
s->mb_num = s->mb_width * s->mb_height;
+ if (s->pb_frame) {
+ skip_bits(&s->gb, 3); /* Temporal reference for B-pictures */
+ if (s->custom_pcf)
+ skip_bits(&s->gb, 2); //extended Temporal reference
+ skip_bits(&s->gb, 2); /* Quantization information for B-pictures */
+ }
+
/* PEI */
while (get_bits1(&s->gb) != 0) {
skip_bits(&s->gb, 8);
}
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
- av_log(s->avctx, AV_LOG_DEBUG, "qp:%d %c size:%d rnd:%d%s%s%s%s%s%s%s%s%s %d/%d\n",
- s->qscale, av_get_pict_type_char(s->pict_type),
- s->gb.size_in_bits, 1-s->no_rounding,
- s->obmc ? " AP" : "",
- s->umvplus ? " UMV" : "",
- s->h263_long_vectors ? " LONG" : "",
- s->h263_plus ? " +" : "",
- s->h263_aic ? " AIC" : "",
- s->alt_inter_vlc ? " AIV" : "",
- s->modified_quant ? " MQ" : "",
- s->loop_filter ? " LOOP" : "",
- s->h263_slice_structured ? " SS" : "",
- s->avctx->time_base.den, s->avctx->time_base.num
- );
+ show_pict_info(s);
}
#if 1
- if (s->pict_type == I_TYPE && s->avctx->codec_tag == ff_get_fourcc("ZYGO")){
+ if (s->pict_type == FF_I_TYPE && s->codec_tag == AV_RL32("ZYGO")){
int i,j;
for(i=0; i<85; i++) av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&s->gb));
av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
skip_bits1(gb); /* marker bit */
//printf("%d %d %d %d\n", x, y, i, s->sprite_warping_accuracy);
- d[i][0]= x;
- d[i][1]= y;
+ s->sprite_traj[i][0]= d[i][0]= x;
+ s->sprite_traj[i][1]= d[i][1]= y;
}
+ for(; i<4; i++)
+ s->sprite_traj[i][0]= s->sprite_traj[i][1]= 0;
while((1<<alpha)<w) alpha++;
while((1<<beta )<h) beta++; // there seems to be a typo in the mpeg4 std for the definition of w' and h'
if ((s->vol_control_parameters=get_bits1(gb))) { /* vol control parameter */
int chroma_format= get_bits(gb, 2);
- if(chroma_format!=1){
+ if(chroma_format!=CHROMA_420){
av_log(s->avctx, AV_LOG_ERROR, "illegal chroma format\n");
}
s->low_delay= get_bits1(gb);
skip_bits1(gb); /* marker */
height = get_bits(gb, 13);
skip_bits1(gb); /* marker */
- if(width && height && !(s->width && s->avctx->codec_tag == ff_get_fourcc("MP4S"))){ /* they should be non zero but who knows ... */
+ if(width && height && !(s->width && s->codec_tag == AV_RL32("MP4S"))){ /* they should be non zero but who knows ... */
s->width = width;
s->height = height;
// printf("width/height: %d %d\n", width, height);
skip_bits1(gb); /* marker */
}
s->num_sprite_warping_points= get_bits(gb, 6);
+ if(s->num_sprite_warping_points > 3){
+ av_log(s->avctx, AV_LOG_ERROR, "%d sprite_warping_points\n", s->num_sprite_warping_points);
+ s->num_sprite_warping_points= 0;
+ return -1;
+ }
s->sprite_warping_accuracy = get_bits(gb, 2);
s->sprite_brightness_change= get_bits1(gb);
if(s->vol_sprite_usage==STATIC_SPRITE)
s->quarter_sample= get_bits1(gb);
else s->quarter_sample=0;
- if(!get_bits1(gb)) av_log(s->avctx, AV_LOG_ERROR, "Complexity estimation not supported\n");
+ if(!get_bits1(gb)){
+ int pos= get_bits_count(gb);
+ int estimation_method= get_bits(gb, 2);
+ if(estimation_method<2){
+ if(!get_bits1(gb)){
+ s->cplx_estimation_trash_i += 8*get_bits1(gb); //opaque
+ s->cplx_estimation_trash_i += 8*get_bits1(gb); //transparent
+ s->cplx_estimation_trash_i += 8*get_bits1(gb); //intra_cae
+ s->cplx_estimation_trash_i += 8*get_bits1(gb); //inter_cae
+ s->cplx_estimation_trash_i += 8*get_bits1(gb); //no_update
+ s->cplx_estimation_trash_i += 8*get_bits1(gb); //upampling
+ }
+ if(!get_bits1(gb)){
+ s->cplx_estimation_trash_i += 8*get_bits1(gb); //intra_blocks
+ s->cplx_estimation_trash_p += 8*get_bits1(gb); //inter_blocks
+ s->cplx_estimation_trash_p += 8*get_bits1(gb); //inter4v_blocks
+ s->cplx_estimation_trash_i += 8*get_bits1(gb); //not coded blocks
+ }
+ if(!check_marker(gb, "in complexity estimation part 1")){
+ skip_bits_long(gb, pos - get_bits_count(gb));
+ goto no_cplx_est;
+ }
+ if(!get_bits1(gb)){
+ s->cplx_estimation_trash_i += 8*get_bits1(gb); //dct_coeffs
+ s->cplx_estimation_trash_i += 8*get_bits1(gb); //dct_lines
+ s->cplx_estimation_trash_i += 8*get_bits1(gb); //vlc_syms
+ s->cplx_estimation_trash_i += 4*get_bits1(gb); //vlc_bits
+ }
+ if(!get_bits1(gb)){
+ s->cplx_estimation_trash_p += 8*get_bits1(gb); //apm
+ s->cplx_estimation_trash_p += 8*get_bits1(gb); //npm
+ s->cplx_estimation_trash_b += 8*get_bits1(gb); //interpolate_mc_q
+ s->cplx_estimation_trash_p += 8*get_bits1(gb); //forwback_mc_q
+ s->cplx_estimation_trash_p += 8*get_bits1(gb); //halfpel2
+ s->cplx_estimation_trash_p += 8*get_bits1(gb); //halfpel4
+ }
+ if(!check_marker(gb, "in complexity estimation part 2")){
+ skip_bits_long(gb, pos - get_bits_count(gb));
+ goto no_cplx_est;
+ }
+ if(estimation_method==1){
+ s->cplx_estimation_trash_i += 8*get_bits1(gb); //sadct
+ s->cplx_estimation_trash_p += 8*get_bits1(gb); //qpel
+ }
+ }else
+ av_log(s->avctx, AV_LOG_ERROR, "Invalid Complexity estimation method %d\n", estimation_method);
+ }else{
+no_cplx_est:
+ s->cplx_estimation_trash_i=
+ s->cplx_estimation_trash_p=
+ s->cplx_estimation_trash_b= 0;
+ }
s->resync_marker= !get_bits1(gb); /* resync_marker_disabled */
/**
* decodes the user data stuff in the header.
- * allso inits divx/xvid/lavc_version/build
+ * Also initializes divx/xvid/lavc_version/build.
*/
static int decode_user_data(MpegEncContext *s, GetBitContext *gb){
char buf[256];
s->divx_version= ver;
s->divx_build= build;
s->divx_packed= e==3 && last=='p';
+ if(s->divx_packed && !s->showed_packed_warning) {
+ av_log(s->avctx, AV_LOG_WARNING, "Invalid and inefficient vfw-avi packed B frames detected\n");
+ s->showed_packed_warning=1;
+ }
}
/* ffmpeg detection */
s->lavc_build= build;
}
- /* xvid detection */
+ /* Xvid detection */
e=sscanf(buf, "XviD%d", &build);
if(e==1){
s->xvid_build= build;
static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){
int time_incr, time_increment;
- s->pict_type = get_bits(gb, 2) + I_TYPE; /* pict type: I = 0 , P = 1 */
- if(s->pict_type==B_TYPE && s->low_delay && s->vol_control_parameters==0 && !(s->flags & CODEC_FLAG_LOW_DELAY)){
+ s->pict_type = get_bits(gb, 2) + FF_I_TYPE; /* pict type: I = 0 , P = 1 */
+ if(s->pict_type==FF_B_TYPE && s->low_delay && s->vol_control_parameters==0 && !(s->flags & CODEC_FLAG_LOW_DELAY)){
av_log(s->avctx, AV_LOG_ERROR, "low_delay flag incorrectly, clearing it\n");
s->low_delay=0;
}
- s->partitioned_frame= s->data_partitioning && s->pict_type!=B_TYPE;
+ s->partitioned_frame= s->data_partitioning && s->pict_type!=FF_B_TYPE;
if(s->partitioned_frame)
s->decode_mb= mpeg4_decode_partitioned_mb;
else
// printf("%d %X\n", s->time_increment_bits, time_increment);
//av_log(s->avctx, AV_LOG_DEBUG, " type:%d modulo_time_base:%d increment:%d t_frame %d\n", s->pict_type, time_incr, time_increment, s->t_frame);
- if(s->pict_type!=B_TYPE){
+ if(s->pict_type!=FF_B_TYPE){
s->last_time_base= s->time_base;
s->time_base+= time_incr;
s->time= s->time_base*s->avctx->time_base.den + time_increment;
- ROUNDED_DIV(s->last_non_b_time - s->pp_time, s->t_frame))*2;
s->pb_field_time= ( ROUNDED_DIV(s->time, s->t_frame)
- ROUNDED_DIV(s->last_non_b_time - s->pp_time, s->t_frame))*2;
+ if(!s->progressive_sequence){
+ if(s->pp_field_time <= s->pb_field_time || s->pb_field_time <= 1)
+ return FRAME_SKIPPED;
+ }
}
-//av_log(s->avctx, AV_LOG_DEBUG, "last nonb %Ld last_base %d time %Ld pp %d pb %d t %d ppf %d pbf %d\n", s->last_non_b_time, s->last_time_base, s->time, s->pp_time, s->pb_time, s->t_frame, s->pp_field_time, s->pb_field_time);
+//av_log(s->avctx, AV_LOG_DEBUG, "last nonb %"PRId64" last_base %d time %"PRId64" pp %d pb %d t %d ppf %d pbf %d\n", s->last_non_b_time, s->last_time_base, s->time, s->pp_time, s->pb_time, s->t_frame, s->pp_field_time, s->pb_field_time);
if(s->avctx->time_base.num)
s->current_picture_ptr->pts= (s->time + s->avctx->time_base.num/2) / s->avctx->time_base.num;
av_log(s->avctx, AV_LOG_ERROR, "vop not coded\n");
return FRAME_SKIPPED;
}
-//printf("time %d %d %d || %Ld %Ld %Ld\n", s->time_increment_bits, s->avctx->time_base.den, s->time_base,
+//printf("time %d %d %d || %"PRId64" %"PRId64" %"PRId64"\n", s->time_increment_bits, s->avctx->time_base.den, s->time_base,
//s->time, s->last_non_b_time, s->last_non_b_time - s->pp_time);
- if (s->shape != BIN_ONLY_SHAPE && ( s->pict_type == P_TYPE
- || (s->pict_type == S_TYPE && s->vol_sprite_usage==GMC_SPRITE))) {
+ if (s->shape != BIN_ONLY_SHAPE && ( s->pict_type == FF_P_TYPE
+ || (s->pict_type == FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE))) {
/* rounding type for motion estimation */
s->no_rounding = get_bits1(gb);
} else {
//FIXME reduced res stuff
if (s->shape != RECT_SHAPE) {
- if (s->vol_sprite_usage != 1 || s->pict_type != I_TYPE) {
+ if (s->vol_sprite_usage != 1 || s->pict_type != FF_I_TYPE) {
int width, height, hor_spat_ref, ver_spat_ref;
width = get_bits(gb, 13);
//FIXME complexity estimation stuff
if (s->shape != BIN_ONLY_SHAPE) {
+ skip_bits_long(gb, s->cplx_estimation_trash_i);
+ if(s->pict_type != FF_I_TYPE)
+ skip_bits_long(gb, s->cplx_estimation_trash_p);
+ if(s->pict_type == FF_B_TYPE)
+ skip_bits_long(gb, s->cplx_estimation_trash_b);
+
s->intra_dc_threshold= mpeg4_dc_threshold[ get_bits(gb, 3) ];
if(!s->progressive_sequence){
s->top_field_first= get_bits1(gb);
ff_init_scantable(s->dsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan);
}
- if(s->pict_type == S_TYPE && (s->vol_sprite_usage==STATIC_SPRITE || s->vol_sprite_usage==GMC_SPRITE)){
+ if(s->pict_type == FF_S_TYPE && (s->vol_sprite_usage==STATIC_SPRITE || s->vol_sprite_usage==GMC_SPRITE)){
mpeg4_decode_sprite_trajectory(s, gb);
if(s->sprite_brightness_change) av_log(s->avctx, AV_LOG_ERROR, "sprite_brightness_change not supported\n");
if(s->vol_sprite_usage==STATIC_SPRITE) av_log(s->avctx, AV_LOG_ERROR, "static sprite not supported\n");
return -1; // makes no sense to continue, as there is nothing left from the image then
}
- if (s->pict_type != I_TYPE) {
+ if (s->pict_type != FF_I_TYPE) {
s->f_code = get_bits(gb, 3); /* fcode_for */
if(s->f_code==0){
av_log(s->avctx, AV_LOG_ERROR, "Error, header damaged or not MPEG4 header (f_code=0)\n");
}else
s->f_code=1;
- if (s->pict_type == B_TYPE) {
+ if (s->pict_type == FF_B_TYPE) {
s->b_code = get_bits(gb, 3);
}else
s->b_code=1;
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
- av_log(s->avctx, AV_LOG_DEBUG, "qp:%d fc:%d,%d %s size:%d pro:%d alt:%d top:%d %spel part:%d resync:%d w:%d a:%d rnd:%d vot:%d%s dc:%d\n",
+ av_log(s->avctx, AV_LOG_DEBUG, "qp:%d fc:%d,%d %s size:%d pro:%d alt:%d top:%d %spel part:%d resync:%d w:%d a:%d rnd:%d vot:%d%s dc:%d ce:%d/%d/%d\n",
s->qscale, s->f_code, s->b_code,
- s->pict_type == I_TYPE ? "I" : (s->pict_type == P_TYPE ? "P" : (s->pict_type == B_TYPE ? "B" : "S")),
+ s->pict_type == FF_I_TYPE ? "I" : (s->pict_type == FF_P_TYPE ? "P" : (s->pict_type == FF_B_TYPE ? "B" : "S")),
gb->size_in_bits,s->progressive_sequence, s->alternate_scan, s->top_field_first,
s->quarter_sample ? "q" : "h", s->data_partitioning, s->resync_marker, s->num_sprite_warping_points,
- s->sprite_warping_accuracy, 1-s->no_rounding, s->vo_type, s->vol_control_parameters ? " VOLC" : " ", s->intra_dc_threshold);
+ s->sprite_warping_accuracy, 1-s->no_rounding, s->vo_type, s->vol_control_parameters ? " VOLC" : " ", s->intra_dc_threshold, s->cplx_estimation_trash_i, s->cplx_estimation_trash_p, s->cplx_estimation_trash_b);
}
if(!s->scalability){
- if (s->shape!=RECT_SHAPE && s->pict_type!=I_TYPE) {
+ if (s->shape!=RECT_SHAPE && s->pict_type!=FF_I_TYPE) {
skip_bits1(gb); // vop shape coding type
}
}else{
/* search next start code */
align_get_bits(gb);
- if(s->avctx->codec_tag == ff_get_fourcc("WV1F") && show_bits(gb, 24) == 0x575630){
+ if(s->codec_tag == AV_RL32("WV1F") && show_bits(gb, 24) == 0x575630){
skip_bits(gb, 24);
if(get_bits(gb, 8) == 0xF0)
- return decode_vop_header(s, gb);
+ goto end;
}
startcode = 0xff;
mpeg4_decode_gop_header(s, gb);
}
else if(startcode == VOP_STARTCODE){
- return decode_vop_header(s, gb);
+ break;
}
align_get_bits(gb);
startcode = 0xff;
}
+end:
+ if(s->flags& CODEC_FLAG_LOW_DELAY)
+ s->low_delay=1;
+ s->avctx->has_b_frames= !s->low_delay;
+ return decode_vop_header(s, gb);
}
/* don't understand why they choose a different header ! */
}
s->h263_plus = 0;
- s->pict_type = I_TYPE + get_bits1(&s->gb);
+ s->pict_type = FF_I_TYPE + get_bits1(&s->gb);
s->unrestricted_mv = get_bits1(&s->gb);
s->h263_long_vectors = s->unrestricted_mv;
av_log(s->avctx, AV_LOG_ERROR, "SAC not supported\n");
return -1; /* SAC: off */
}
- if (get_bits1(&s->gb) != 0) {
- s->obmc= 1;
- av_log(s->avctx, AV_LOG_ERROR, "Advanced Prediction Mode not supported\n");
-// return -1; /* advanced prediction mode: off */
- }
- if (get_bits1(&s->gb) != 0) {
- av_log(s->avctx, AV_LOG_ERROR, "PB frame mode no supported\n");
- return -1; /* PB frame mode */
- }
+ s->obmc= get_bits1(&s->gb);
+ s->pb_frame = get_bits1(&s->gb);
- /* skip unknown header garbage */
- skip_bits(&s->gb, 41);
+ if(format == 7){
+ format = get_bits(&s->gb, 3);
+ if(format == 0 || format == 7){
+ av_log(s->avctx, AV_LOG_ERROR, "Wrong Intel H263 format\n");
+ return -1;
+ }
+ if(get_bits(&s->gb, 2))
+ av_log(s->avctx, AV_LOG_ERROR, "Bad value for reserved field\n");
+ s->loop_filter = get_bits1(&s->gb);
+ if(get_bits1(&s->gb))
+ av_log(s->avctx, AV_LOG_ERROR, "Bad value for reserved field\n");
+ if(get_bits1(&s->gb))
+ s->pb_frame = 2;
+ if(get_bits(&s->gb, 5))
+ av_log(s->avctx, AV_LOG_ERROR, "Bad value for reserved field\n");
+ if(get_bits(&s->gb, 5) != 1)
+ av_log(s->avctx, AV_LOG_ERROR, "Invalid marker\n");
+ }
+ if(format == 6){
+ int ar = get_bits(&s->gb, 4);
+ skip_bits(&s->gb, 9); // display width
+ skip_bits1(&s->gb);
+ skip_bits(&s->gb, 9); // display height
+ if(ar == 15){
+ skip_bits(&s->gb, 8); // aspect ratio - width
+ skip_bits(&s->gb, 8); // aspect ratio - height
+ }
+ }
s->chroma_qscale= s->qscale = get_bits(&s->gb, 5);
skip_bits1(&s->gb); /* Continuous Presence Multipoint mode: off */
+ if(s->pb_frame){
+ skip_bits(&s->gb, 3); //temporal reference for B-frame
+ skip_bits(&s->gb, 2); //dbquant
+ }
+
/* PEI */
while (get_bits1(&s->gb) != 0) {
skip_bits(&s->gb, 8);
s->y_dc_scale_table=
s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
+ if(s->avctx->debug&FF_DEBUG_PICT_INFO)
+ show_pict_info(s);
+
return 0;
}
s->width = width;
s->height = height;
- s->pict_type = I_TYPE + get_bits(&s->gb, 2);
- s->dropable= s->pict_type > P_TYPE;
+ s->pict_type = FF_I_TYPE + get_bits(&s->gb, 2);
+ s->dropable= s->pict_type > FF_P_TYPE;
if (s->dropable)
- s->pict_type = P_TYPE;
+ s->pict_type = FF_P_TYPE;
skip_bits1(&s->gb); /* deblocking flag */
s->chroma_qscale= s->qscale = get_bits(&s->gb, 5);
projects / frescor / ffmpeg.git / blobdiff