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ffmpeg.wasm-core
Commit 8769113a authored by Vittorio Giovara's avatar Vittorio Giovara
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mpeg4videoenc: K&R formatting cosmetics

parent fa48be9b
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Showing with 640 additions and 579 deletions
libavcodec/mpeg4videoenc.c
View file @ 8769113a
......@@ -27,63 +27,66 @@
#include "h263.h"
#include "mpeg4video.h"
//The uni_DCtab_* tables below contain unified bits+length tables to encode DC
//differences in mpeg4. Unified in the sense that the specification specifies
//this encoding in several steps.
/* The uni_DCtab_* tables below contain unified bits+length tables to encode DC
* differences in mpeg4. Unified in the sense that the specification specifies
* this encoding in several steps. */
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];
//unified encoding tables for run length encoding of coefficients
//unified in the sense that the specification specifies the encoding in several steps.
static uint32_t uni_mpeg4_intra_rl_bits[64*64*2*2];
static uint8_t uni_mpeg4_intra_rl_len [64*64*2*2];
static uint32_t uni_mpeg4_inter_rl_bits[64*64*2*2];
static uint8_t uni_mpeg4_inter_rl_len [64*64*2*2];
//#define UNI_MPEG4_ENC_INDEX(last,run,level) ((last)*128 + (run)*256 + (level))
//#define UNI_MPEG4_ENC_INDEX(last,run,level) ((last)*128*64 + (run) + (level)*64)
#define UNI_MPEG4_ENC_INDEX(last,run,level) ((last)*128*64 + (run)*128 + (level))
/* Unified encoding tables for run length encoding of coefficients.
* Unified in the sense that the specification specifies the encoding in several steps. */
static uint32_t uni_mpeg4_intra_rl_bits[64 * 64 * 2 * 2];
static uint8_t uni_mpeg4_intra_rl_len[64 * 64 * 2 * 2];
static uint32_t uni_mpeg4_inter_rl_bits[64 * 64 * 2 * 2];
static uint8_t uni_mpeg4_inter_rl_len[64 * 64 * 2 * 2];
/* mpeg4
inter
max level: 24/6
max run: 53/63
intra
max level: 53/16
max run: 29/41
*/
//#define UNI_MPEG4_ENC_INDEX(last, run, level) (last * 128 + run * 256 + level)
//#define UNI_MPEG4_ENC_INDEX(last, run, level) (last * 128 * 64 + run + level * 64)
#define UNI_MPEG4_ENC_INDEX(last, run, level) (last * 128 * 64 + run * 128 + (level))
/* mpeg4
* inter
* max level: 24/6
* max run: 53/63
*
* intra
* max level: 53/16
* max run: 29/41
*/
/**
* Return the number of bits that encoding the 8x8 block in block would need.
* @param[in] block_last_index last index in scantable order that refers to a non zero element in block.
*/
static inline int get_block_rate(MpegEncContext * s, int16_t block[64], int block_last_index, uint8_t scantable[64]){
int last=0;
static inline int get_block_rate(MpegEncContext *s, int16_t block[64],
int block_last_index, uint8_t scantable[64])
{
int last = 0;
int j;
int rate=0;
for(j=1; j<=block_last_index; j++){
const int index= scantable[j];
int level= block[index];
if(level){
level+= 64;
if((level&(~127)) == 0){
if(j<block_last_index) rate+= s->intra_ac_vlc_length [UNI_AC_ENC_INDEX(j-last-1, level)];
else rate+= s->intra_ac_vlc_last_length[UNI_AC_ENC_INDEX(j-last-1, level)];
}else
int rate = 0;
for (j = 1; j <= block_last_index; j++) {
const int index = scantable[j];
int level = block[index];
if (level) {
level += 64;
if ((level & (~127)) == 0) {
if (j < block_last_index)
rate += s->intra_ac_vlc_length[UNI_AC_ENC_INDEX(j - last - 1, level)];
else
rate += s->intra_ac_vlc_last_length[UNI_AC_ENC_INDEX(j - last - 1, level)];
} else
rate += s->ac_esc_length;
last= j;
last = j;
}
}
return rate;
}
/**
* Restore the ac coefficients in block that have been changed by decide_ac_pred().
* This function also restores s->block_last_index.
......@@ -92,25 +95,25 @@ static inline int get_block_rate(MpegEncContext * s, int16_t block[64], int bloc
* @param[out] st scantable for each 8x8 block
* @param[in] zigzag_last_index index referring to the last non zero coefficient in zigzag order
*/
static inline void restore_ac_coeffs(MpegEncContext * s, int16_t block[6][64], const int dir[6], uint8_t *st[6], const int zigzag_last_index[6])
static inline void restore_ac_coeffs(MpegEncContext *s, int16_t block[6][64],
const int dir[6], uint8_t *st[6],
const int zigzag_last_index[6])
{
int i, n;
memcpy(s->block_last_index, zigzag_last_index, sizeof(int)*6);
memcpy(s->block_last_index, zigzag_last_index, sizeof(int) * 6);
for(n=0; n<6; n++){
for (n = 0; n < 6; n++) {
int16_t *ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
st[n]= s->intra_scantable.permutated;
if(dir[n]){
st[n] = s->intra_scantable.permutated;
if (dir[n]) {
/* top prediction */
for(i=1; i<8; i++){
block[n][s->dsp.idct_permutation[i ]] = ac_val[i+8];
}
}else{
for (i = 1; i < 8; i++)
block[n][s->dsp.idct_permutation[i]] = ac_val[i + 8];
} else {
/* left prediction */
for(i=1; i<8; i++){
block[n][s->dsp.idct_permutation[i<<3]]= ac_val[i ];
}
for (i = 1; i < 8; i++)
block[n][s->dsp.idct_permutation[i << 3]] = ac_val[i];
}
}
}
......@@ -123,77 +126,81 @@ static inline void restore_ac_coeffs(MpegEncContext * s, int16_t block[6][64], c
* @param[out] st scantable for each 8x8 block
* @param[out] zigzag_last_index index referring to the last non zero coefficient in zigzag order
*/
static inline int decide_ac_pred(MpegEncContext * s, int16_t block[6][64], const int dir[6], uint8_t *st[6], int zigzag_last_index[6])
static inline int decide_ac_pred(MpegEncContext *s, int16_t block[6][64],
const int dir[6], uint8_t *st[6],
int zigzag_last_index[6])
{
int score= 0;
int score = 0;
int i, n;
int8_t * const qscale_table = s->current_picture.qscale_table;
int8_t *const qscale_table = s->current_picture.qscale_table;
memcpy(zigzag_last_index, s->block_last_index, sizeof(int)*6);
memcpy(zigzag_last_index, s->block_last_index, sizeof(int) * 6);
for(n=0; n<6; n++){
for (n = 0; n < 6; n++) {
int16_t *ac_val, *ac_val1;
score -= get_block_rate(s, block[n], s->block_last_index[n], s->intra_scantable.permutated);
score -= get_block_rate(s, block[n], s->block_last_index[n],
s->intra_scantable.permutated);
ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
ac_val1= ac_val;
if(dir[n]){
const int xy= s->mb_x + s->mb_y*s->mb_stride - s->mb_stride;
ac_val1 = ac_val;
if (dir[n]) {
const int xy = s->mb_x + s->mb_y * s->mb_stride - s->mb_stride;
/* top prediction */
ac_val-= s->block_wrap[n]*16;
if(s->mb_y==0 || s->qscale == qscale_table[xy] || n==2 || n==3){
ac_val -= s->block_wrap[n] * 16;
if (s->mb_y == 0 || s->qscale == qscale_table[xy] || n == 2 || n == 3) {
/* same qscale */
for(i=1; i<8; i++){
const int level= block[n][s->dsp.idct_permutation[i ]];
block[n][s->dsp.idct_permutation[i ]] = level - ac_val[i+8];
ac_val1[i ]= block[n][s->dsp.idct_permutation[i<<3]];
ac_val1[i+8]= level;
for (i = 1; i < 8; i++) {
const int level = block[n][s->dsp.idct_permutation[i]];
block[n][s->dsp.idct_permutation[i]] = level - ac_val[i + 8];
ac_val1[i] = block[n][s->dsp.idct_permutation[i << 3]];
ac_val1[i + 8] = level;
}
}else{
} else {
/* different qscale, we must rescale */
for(i=1; i<8; i++){
const int level= block[n][s->dsp.idct_permutation[i ]];
block[n][s->dsp.idct_permutation[i ]] = level - ROUNDED_DIV(ac_val[i + 8]*qscale_table[xy], s->qscale);
ac_val1[i ]= block[n][s->dsp.idct_permutation[i<<3]];
ac_val1[i+8]= level;
for (i = 1; i < 8; i++) {
const int level = block[n][s->dsp.idct_permutation[i]];
block[n][s->dsp.idct_permutation[i]] = level - ROUNDED_DIV(ac_val[i + 8] * qscale_table[xy], s->qscale);
ac_val1[i] = block[n][s->dsp.idct_permutation[i << 3]];
ac_val1[i + 8] = level;
}
}
st[n]= s->intra_h_scantable.permutated;
}else{
const int xy= s->mb_x-1 + s->mb_y*s->mb_stride;
st[n] = s->intra_h_scantable.permutated;
} else {
const int xy = s->mb_x - 1 + s->mb_y * s->mb_stride;
/* left prediction */
ac_val-= 16;
if(s->mb_x==0 || s->qscale == qscale_table[xy] || n==1 || n==3){
ac_val -= 16;
if (s->mb_x == 0 || s->qscale == qscale_table[xy] || n == 1 || n == 3) {
/* same qscale */
for(i=1; i<8; i++){
const int level= block[n][s->dsp.idct_permutation[i<<3]];
block[n][s->dsp.idct_permutation[i<<3]]= level - ac_val[i];
ac_val1[i ]= level;
ac_val1[i+8]= block[n][s->dsp.idct_permutation[i ]];
for (i = 1; i < 8; i++) {
const int level = block[n][s->dsp.idct_permutation[i << 3]];
block[n][s->dsp.idct_permutation[i << 3]] = level - ac_val[i];
ac_val1[i] = level;
ac_val1[i + 8] = block[n][s->dsp.idct_permutation[i]];
}
}else{
} else {
/* different qscale, we must rescale */
for(i=1; i<8; i++){
const int level= block[n][s->dsp.idct_permutation[i<<3]];
block[n][s->dsp.idct_permutation[i<<3]]= level - ROUNDED_DIV(ac_val[i]*qscale_table[xy], s->qscale);
ac_val1[i ]= level;
ac_val1[i+8]= block[n][s->dsp.idct_permutation[i ]];
for (i = 1; i < 8; i++) {
const int level = block[n][s->dsp.idct_permutation[i << 3]];
block[n][s->dsp.idct_permutation[i << 3]] = level - ROUNDED_DIV(ac_val[i] * qscale_table[xy], s->qscale);
ac_val1[i] = level;
ac_val1[i + 8] = block[n][s->dsp.idct_permutation[i]];
}
}
st[n]= s->intra_v_scantable.permutated;
st[n] = s->intra_v_scantable.permutated;
}
for(i=63; i>0; i--) //FIXME optimize
if(block[n][ st[n][i] ]) break;
s->block_last_index[n]= i;
for (i = 63; i > 0; i--) // FIXME optimize
if (block[n][st[n][i]])
break;
s->block_last_index[n] = i;
score += get_block_rate(s, block[n], s->block_last_index[n], st[n]);
}
if(score < 0){
if (score < 0) {
return 1;
}else{
} else {
restore_ac_coeffs(s, block, dir, st, zigzag_last_index);
return 0;
}
......@@ -202,51 +209,55 @@ static inline int decide_ac_pred(MpegEncContext * s, int16_t block[6][64], const
/**
* modify mb_type & qscale so that encoding is acually possible in mpeg4
*/
void ff_clean_mpeg4_qscales(MpegEncContext *s){
void ff_clean_mpeg4_qscales(MpegEncContext *s)
{
int i;
int8_t * const qscale_table = s->current_picture.qscale_table;
int8_t *const qscale_table = s->current_picture.qscale_table;
ff_clean_h263_qscales(s);
if(s->pict_type== AV_PICTURE_TYPE_B){
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 */
if (s->pict_type == AV_PICTURE_TYPE_B) {
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=0; i<s->mb_num; i++){
int mb_xy= s->mb_index2xy[i];
odd += qscale_table[mb_xy]&1;
for (i = 0; i < s->mb_num; i++) {
int mb_xy = s->mb_index2xy[i];
odd += qscale_table[mb_xy] & 1;
}
if(2*odd > s->mb_num) odd=1;
else odd=0;
if (2 * odd > s->mb_num)
odd = 1;
else
odd = 0;
for(i=0; i<s->mb_num; i++){
int mb_xy= s->mb_index2xy[i];
if((qscale_table[mb_xy]&1) != odd)
for (i = 0; i < s->mb_num; i++) {
int mb_xy = s->mb_index2xy[i];
if ((qscale_table[mb_xy] & 1) != odd)
qscale_table[mb_xy]++;
if(qscale_table[mb_xy] > 31)
qscale_table[mb_xy]= 31;
if (qscale_table[mb_xy] > 31)
qscale_table[mb_xy] = 31;
}
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_BIDIR;
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_BIDIR;
}
}
}
}
/**
* Encode the dc value.
* @param n block index (0-3 are luma, 4-5 are chroma)
*/
static inline void mpeg4_encode_dc(PutBitContext * s, int level, int n)
static inline void mpeg4_encode_dc(PutBitContext *s, int level, int n)
{
#if 1
/* DC will overflow if level is outside the [-255,255] range. */
level+=256;
level += 256;
if (n < 4) {
/* luminance */
put_bits(s, uni_DCtab_lum_len[level], uni_DCtab_lum_bits[level]);
......@@ -283,85 +294,98 @@ static inline void mpeg4_encode_dc(PutBitContext * s, int level, int n)
#endif
}
static inline int mpeg4_get_dc_length(int level, int n){
if (n < 4) {
static inline int mpeg4_get_dc_length(int level, int n)
{
if (n < 4)
return uni_DCtab_lum_len[level + 256];
} else {
else
return uni_DCtab_chrom_len[level + 256];
}
}
/**
* Encode an 8x8 block.
* @param n block index (0-3 are luma, 4-5 are chroma)
*/
static inline void mpeg4_encode_block(MpegEncContext * s, int16_t * block, int n, int intra_dc,
uint8_t *scan_table, PutBitContext *dc_pb, PutBitContext *ac_pb)
static inline void mpeg4_encode_block(MpegEncContext *s,
int16_t *block, int n, int intra_dc,
uint8_t *scan_table, PutBitContext *dc_pb,
PutBitContext *ac_pb)
{
int i, last_non_zero;
uint32_t *bits_tab;
uint8_t *len_tab;
const int last_index = s->block_last_index[n];
if (s->mb_intra) { //Note gcc (3.2.1 at least) will optimize this away
if (s->mb_intra) { // Note gcc (3.2.1 at least) will optimize this away
/* mpeg4 based DC predictor */
mpeg4_encode_dc(dc_pb, intra_dc, n);
if(last_index<1) return;
if (last_index < 1)
return;
i = 1;
bits_tab= uni_mpeg4_intra_rl_bits;
bits_tab = uni_mpeg4_intra_rl_bits;
len_tab = uni_mpeg4_intra_rl_len;
} else {
if(last_index<0) return;
if (last_index < 0)
return;
i = 0;
bits_tab= uni_mpeg4_inter_rl_bits;
bits_tab = uni_mpeg4_inter_rl_bits;
len_tab = uni_mpeg4_inter_rl_len;
}
/* AC coefs */
last_non_zero = i - 1;
for (; i < last_index; i++) {
int level = block[ scan_table[i] ];
int level = block[scan_table[i]];
if (level) {
int run = i - last_non_zero - 1;
level+=64;
if((level&(~127)) == 0){
const int index= UNI_MPEG4_ENC_INDEX(0, run, level);
level += 64;
if ((level & (~127)) == 0) {
const int index = UNI_MPEG4_ENC_INDEX(0, run, level);
put_bits(ac_pb, len_tab[index], bits_tab[index]);
}else{ //ESC3
put_bits(ac_pb, 7+2+1+6+1+12+1, (3<<23)+(3<<21)+(0<<20)+(run<<14)+(1<<13)+(((level-64)&0xfff)<<1)+1);
} else { // ESC3
put_bits(ac_pb,
7 + 2 + 1 + 6 + 1 + 12 + 1,
(3 << 23) + (3 << 21) + (0 << 20) + (run << 14) +
(1 << 13) + (((level - 64) & 0xfff) << 1) + 1);
}
last_non_zero = i;
}
}
/*if(i<=last_index)*/{
int level = block[ scan_table[i] ];
/* if (i <= last_index) */ {
int level = block[scan_table[i]];
int run = i - last_non_zero - 1;
level+=64;
if((level&(~127)) == 0){
const int index= UNI_MPEG4_ENC_INDEX(1, run, level);
level += 64;
if ((level & (~127)) == 0) {
const int index = UNI_MPEG4_ENC_INDEX(1, run, level);
put_bits(ac_pb, len_tab[index], bits_tab[index]);
}else{ //ESC3
put_bits(ac_pb, 7+2+1+6+1+12+1, (3<<23)+(3<<21)+(1<<20)+(run<<14)+(1<<13)+(((level-64)&0xfff)<<1)+1);
} else { // ESC3
put_bits(ac_pb,
7 + 2 + 1 + 6 + 1 + 12 + 1,
(3 << 23) + (3 << 21) + (1 << 20) + (run << 14) +
(1 << 13) + (((level - 64) & 0xfff) << 1) + 1);
}
}
}
static int mpeg4_get_block_length(MpegEncContext * s, int16_t * block, int n, int intra_dc,
uint8_t *scan_table)
static int mpeg4_get_block_length(MpegEncContext *s,
int16_t *block, int n,
int intra_dc, uint8_t *scan_table)
{
int i, last_non_zero;
uint8_t *len_tab;
const int last_index = s->block_last_index[n];
int len=0;
int len = 0;
if (s->mb_intra) { //Note gcc (3.2.1 at least) will optimize this away
if (s->mb_intra) { // Note gcc (3.2.1 at least) will optimize this away
/* mpeg4 based DC predictor */
len += mpeg4_get_dc_length(intra_dc, n);
if(last_index<1) return len;
if (last_index < 1)
return len;
i = 1;
len_tab = uni_mpeg4_intra_rl_len;
} else {
if(last_index<0) return 0;
if (last_index < 0)
return 0;
i = 0;
len_tab = uni_mpeg4_inter_rl_len;
}
......@@ -369,64 +393,69 @@ static int mpeg4_get_block_length(MpegEncContext * s, int16_t * block, int n, in
/* AC coefs */
last_non_zero = i - 1;
for (; i < last_index; i++) {
int level = block[ scan_table[i] ];
int level = block[scan_table[i]];
if (level) {
int run = i - last_non_zero - 1;
level+=64;
if((level&(~127)) == 0){
const int index= UNI_MPEG4_ENC_INDEX(0, run, level);
level += 64;
if ((level & (~127)) == 0) {
const int index = UNI_MPEG4_ENC_INDEX(0, run, level);
len += len_tab[index];
}else{ //ESC3
len += 7+2+1+6+1+12+1;
} else { // ESC3
len += 7 + 2 + 1 + 6 + 1 + 12 + 1;
}
last_non_zero = i;
}
}
/*if(i<=last_index)*/{
int level = block[ scan_table[i] ];
/* if (i <= last_index) */ {
int level = block[scan_table[i]];
int run = i - last_non_zero - 1;
level+=64;
if((level&(~127)) == 0){
const int index= UNI_MPEG4_ENC_INDEX(1, run, level);
level += 64;
if ((level & (~127)) == 0) {
const int index = UNI_MPEG4_ENC_INDEX(1, run, level);
len += len_tab[index];
}else{ //ESC3
len += 7+2+1+6+1+12+1;
} else { // ESC3
len += 7 + 2 + 1 + 6 + 1 + 12 + 1;
}
}
return len;
}
static inline void mpeg4_encode_blocks(MpegEncContext * s, int16_t block[6][64], int intra_dc[6],
uint8_t **scan_table, PutBitContext *dc_pb, PutBitContext *ac_pb){
static inline void mpeg4_encode_blocks(MpegEncContext *s, int16_t block[6][64],
int intra_dc[6], uint8_t **scan_table,
PutBitContext *dc_pb,
PutBitContext *ac_pb)
{
int i;
if(scan_table){
if(s->flags2 & CODEC_FLAG2_NO_OUTPUT){
for (i = 0; i < 6; i++) {
skip_put_bits(&s->pb, mpeg4_get_block_length(s, block[i], i, intra_dc[i], scan_table[i]));
}
}else{
if (scan_table) {
if (s->flags2 & CODEC_FLAG2_NO_OUTPUT) {
for (i = 0; i < 6; i++)
skip_put_bits(&s->pb,
mpeg4_get_block_length(s, block[i], i,
intra_dc[i], scan_table[i]));
} else {
/* encode each block */
for (i = 0; i < 6; i++) {
mpeg4_encode_block(s, block[i], i, intra_dc[i], scan_table[i], dc_pb, ac_pb);
}
}
}else{
if(s->flags2 & CODEC_FLAG2_NO_OUTPUT){
for (i = 0; i < 6; i++) {
skip_put_bits(&s->pb, mpeg4_get_block_length(s, block[i], i, 0, s->intra_scantable.permutated));
for (i = 0; i < 6; i++)
mpeg4_encode_block(s, block[i], i,
intra_dc[i], scan_table[i], dc_pb, ac_pb);
}
}else{
} else {
if (s->flags2 & CODEC_FLAG2_NO_OUTPUT) {
for (i = 0; i < 6; i++)
skip_put_bits(&s->pb,
mpeg4_get_block_length(s, block[i], i, 0,
s->intra_scantable.permutated));
} else {
/* encode each block */
for (i = 0; i < 6; i++) {
mpeg4_encode_block(s, block[i], i, 0, s->intra_scantable.permutated, dc_pb, ac_pb);
}
for (i = 0; i < 6; i++)
mpeg4_encode_block(s, block[i], i, 0,
s->intra_scantable.permutated, dc_pb, ac_pb);
}
}
}
static inline int get_b_cbp(MpegEncContext * s, int16_t block[6][64],
static inline int get_b_cbp(MpegEncContext *s, int16_t block[6][64],
int motion_x, int motion_y, int mb_type)
{
int cbp = 0, i;
......@@ -435,16 +464,17 @@ static inline int get_b_cbp(MpegEncContext * s, int16_t block[6][64],
int score = 0;
const int lambda = s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
for (i = 0; i < 6; i++)
for (i = 0; i < 6; i++) {
if (s->coded_score[i] < 0) {
score += s->coded_score[i];
cbp |= 1 << (5 - i);
}
}
if (cbp) {
int zero_score = -6;
if ((motion_x | motion_y | s->dquant | mb_type) == 0)
zero_score -= 4; //2*MV + mb_type + cbp bit
zero_score -= 4; // 2 * MV + mb_type + cbp bit
zero_score *= lambda;
if (zero_score <= score)
......@@ -466,62 +496,61 @@ static inline int get_b_cbp(MpegEncContext * s, int16_t block[6][64],
return cbp;
}
//FIXME this is duplicated to h263.c
static const int dquant_code[5]= {1,0,9,2,3};
// FIXME this is duplicated to h263.c
static const int dquant_code[5] = { 1, 0, 9, 2, 3 };
void ff_mpeg4_encode_mb(MpegEncContext * s,
int16_t block[6][64],
void ff_mpeg4_encode_mb(MpegEncContext *s, int16_t 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!=AV_PICTURE_TYPE_B ? &s->tex_pb : &s->pb;
PutBitContext * const dc_pb = s->data_partitioning && s->pict_type!=AV_PICTURE_TYPE_I ? &s->pb2 : &s->pb;
const int interleaved_stats= (s->flags&CODEC_FLAG_PASS1) && !s->data_partitioning ? 1 : 0;
PutBitContext *const pb2 = s->data_partitioning ? &s->pb2 : &s->pb;
PutBitContext *const tex_pb = s->data_partitioning && s->pict_type != AV_PICTURE_TYPE_B ? &s->tex_pb : &s->pb;
PutBitContext *const dc_pb = s->data_partitioning && s->pict_type != AV_PICTURE_TYPE_I ? &s->pb2 : &s->pb;
const int interleaved_stats = (s->flags & CODEC_FLAG_PASS1) && !s->data_partitioning ? 1 : 0;
if (!s->mb_intra) {
int i, cbp;
if(s->pict_type==AV_PICTURE_TYPE_B){
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->pict_type == AV_PICTURE_TYPE_B) {
/* convert from mv_dir to type */
static const int mb_type_table[8] = { -1, 3, 2, 1, -1, -1, -1, 0 };
int mb_type = mb_type_table[s->mv_dir];
if(s->mb_x==0){
for(i=0; i<2; i++){
s->last_mv[i][0][0]=
s->last_mv[i][0][1]=
s->last_mv[i][1][0]=
s->last_mv[i][1][1]= 0;
}
if (s->mb_x == 0) {
for (i = 0; i < 2; i++)
s->last_mv[i][0][0] =
s->last_mv[i][0][1] =
s->last_mv[i][1][0] =
s->last_mv[i][1][1] = 0;
}
assert(s->dquant>=-2 && s->dquant<=2);
assert((s->dquant&1)==0);
assert(mb_type>=0);
assert(s->dquant >= -2 && s->dquant <= 2);
assert((s->dquant & 1) == 0);
assert(mb_type >= 0);
/* nothing to do if this MB was skipped in the next P Frame */
if (s->next_picture.mbskip_table[s->mb_y * s->mb_stride + s->mb_x]) { //FIXME avoid DCT & ...
if (s->next_picture.mbskip_table[s->mb_y * s->mb_stride + s->mb_x]) { // FIXME avoid DCT & ...
s->skip_count++;
s->mv[0][0][0]=
s->mv[0][0][1]=
s->mv[1][0][0]=
s->mv[1][0][1]= 0;
s->mv_dir= MV_DIR_FORWARD; //doesn't matter
s->mv[0][0][0] =
s->mv[0][0][1] =
s->mv[1][0][0] =
s->mv[1][0][1] = 0;
s->mv_dir = MV_DIR_FORWARD; // doesn't matter
s->qscale -= s->dquant;
// s->mb_skipped=1;
// s->mb_skipped = 1;
return;
}
cbp= get_b_cbp(s, block, motion_x, motion_y, mb_type);
cbp = get_b_cbp(s, block, motion_x, motion_y, mb_type);
if ((cbp | motion_x | motion_y | mb_type) ==0) {
if ((cbp | motion_x | motion_y | mb_type) == 0) {
/* direct MB with MV={0,0} */
assert(s->dquant==0);
assert(s->dquant == 0);
put_bits(&s->pb, 1, 1); /* mb not coded modb1=1 */
if(interleaved_stats){
if (interleaved_stats) {
s->misc_bits++;
s->last_bits++;
}
......@@ -530,136 +559,149 @@ void ff_mpeg4_encode_mb(MpegEncContext * s,
}
put_bits(&s->pb, 1, 0); /* mb coded modb1=0 */
put_bits(&s->pb, 1, cbp ? 0 : 1); /* modb2 */ //FIXME merge
put_bits(&s->pb, mb_type+1, 1); // this table is so simple that we don't need it :)
if(cbp) put_bits(&s->pb, 6, cbp);
if(cbp && mb_type){
if(s->dquant)
put_bits(&s->pb, 2, (s->dquant>>2)+3);
put_bits(&s->pb, 1, cbp ? 0 : 1); /* modb2 */ // FIXME merge
put_bits(&s->pb, mb_type + 1, 1); // this table is so simple that we don't need it :)
if (cbp)
put_bits(&s->pb, 6, cbp);
if (cbp && mb_type) {
if (s->dquant)
put_bits(&s->pb, 2, (s->dquant >> 2) + 3);
else
put_bits(&s->pb, 1, 0);
}else
} else
s->qscale -= s->dquant;
if(!s->progressive_sequence){
if(cbp)
if (!s->progressive_sequence) {
if (cbp)
put_bits(&s->pb, 1, s->interlaced_dct);
if(mb_type) // not direct mode
if (mb_type) // not direct mode
put_bits(&s->pb, 1, s->mv_type == MV_TYPE_FIELD);
}
if(interleaved_stats){
s->misc_bits+= get_bits_diff(s);
}
if (interleaved_stats)
s->misc_bits += get_bits_diff(s);
if(mb_type == 0){
if (!mb_type) {
assert(s->mv_dir & MV_DIRECT);
ff_h263_encode_motion_vector(s, motion_x, motion_y, 1);
s->b_count++;
s->f_count++;
}else{
} else {
assert(mb_type > 0 && mb_type < 4);
if(s->mv_type != MV_TYPE_FIELD){
if(s->mv_dir & MV_DIR_FORWARD){
ff_h263_encode_motion_vector(s, s->mv[0][0][0] - s->last_mv[0][0][0],
s->mv[0][0][1] - s->last_mv[0][0][1], s->f_code);
s->last_mv[0][0][0]= s->last_mv[0][1][0]= s->mv[0][0][0];
s->last_mv[0][0][1]= s->last_mv[0][1][1]= s->mv[0][0][1];
if (s->mv_type != MV_TYPE_FIELD) {
if (s->mv_dir & MV_DIR_FORWARD) {
ff_h263_encode_motion_vector(s,
s->mv[0][0][0] - s->last_mv[0][0][0],
s->mv[0][0][1] - s->last_mv[0][0][1],
s->f_code);
s->last_mv[0][0][0] =
s->last_mv[0][1][0] = s->mv[0][0][0];
s->last_mv[0][0][1] =
s->last_mv[0][1][1] = s->mv[0][0][1];
s->f_count++;
}
if(s->mv_dir & MV_DIR_BACKWARD){
ff_h263_encode_motion_vector(s, s->mv[1][0][0] - s->last_mv[1][0][0],
s->mv[1][0][1] - s->last_mv[1][0][1], s->b_code);
s->last_mv[1][0][0]= s->last_mv[1][1][0]= s->mv[1][0][0];
s->last_mv[1][0][1]= s->last_mv[1][1][1]= s->mv[1][0][1];
if (s->mv_dir & MV_DIR_BACKWARD) {
ff_h263_encode_motion_vector(s,
s->mv[1][0][0] - s->last_mv[1][0][0],
s->mv[1][0][1] - s->last_mv[1][0][1],
s->b_code);
s->last_mv[1][0][0] =
s->last_mv[1][1][0] = s->mv[1][0][0];
s->last_mv[1][0][1] =
s->last_mv[1][1][1] = s->mv[1][0][1];
s->b_count++;
}
}else{
if(s->mv_dir & MV_DIR_FORWARD){
} else {
if (s->mv_dir & MV_DIR_FORWARD) {
put_bits(&s->pb, 1, s->field_select[0][0]);
put_bits(&s->pb, 1, s->field_select[0][1]);
}
if(s->mv_dir & MV_DIR_BACKWARD){
if (s->mv_dir & MV_DIR_BACKWARD) {
put_bits(&s->pb, 1, s->field_select[1][0]);
put_bits(&s->pb, 1, s->field_select[1][1]);
}
if(s->mv_dir & MV_DIR_FORWARD){
for(i=0; i<2; i++){
ff_h263_encode_motion_vector(s, s->mv[0][i][0] - s->last_mv[0][i][0] ,
s->mv[0][i][1] - s->last_mv[0][i][1]/2, s->f_code);
s->last_mv[0][i][0]= s->mv[0][i][0];
s->last_mv[0][i][1]= s->mv[0][i][1]*2;
if (s->mv_dir & MV_DIR_FORWARD) {
for (i = 0; i < 2; i++) {
ff_h263_encode_motion_vector(s,
s->mv[0][i][0] - s->last_mv[0][i][0],
s->mv[0][i][1] - s->last_mv[0][i][1] / 2,
s->f_code);
s->last_mv[0][i][0] = s->mv[0][i][0];
s->last_mv[0][i][1] = s->mv[0][i][1] * 2;
}
s->f_count++;
}
if(s->mv_dir & MV_DIR_BACKWARD){
for(i=0; i<2; i++){
ff_h263_encode_motion_vector(s, s->mv[1][i][0] - s->last_mv[1][i][0] ,
s->mv[1][i][1] - s->last_mv[1][i][1]/2, s->b_code);
s->last_mv[1][i][0]= s->mv[1][i][0];
s->last_mv[1][i][1]= s->mv[1][i][1]*2;
if (s->mv_dir & MV_DIR_BACKWARD) {
for (i = 0; i < 2; i++) {
ff_h263_encode_motion_vector(s,
s->mv[1][i][0] - s->last_mv[1][i][0],
s->mv[1][i][1] - s->last_mv[1][i][1] / 2,
s->b_code);
s->last_mv[1][i][0] = s->mv[1][i][0];
s->last_mv[1][i][1] = s->mv[1][i][1] * 2;
}
s->b_count++;
}
}
}
if(interleaved_stats){
s->mv_bits+= get_bits_diff(s);
}
if (interleaved_stats)
s->mv_bits += get_bits_diff(s);
mpeg4_encode_blocks(s, block, NULL, NULL, NULL, &s->pb);
if(interleaved_stats){
s->p_tex_bits+= get_bits_diff(s);
}
}else{ /* s->pict_type==AV_PICTURE_TYPE_B */
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) {
/* check if the B frames can skip it too, as we must skip it if we skip here
why didn't they just compress the skip-mb bits instead of reusing them ?! */
if(s->max_b_frames>0){
if (interleaved_stats)
s->p_tex_bits += get_bits_diff(s);
} else { /* s->pict_type==AV_PICTURE_TYPE_B */
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) {
/* check if the B frames can skip it too, as we must skip it
* if we skip here why didn't they just compress
* the skip-mb bits instead of reusing them ?! */
if (s->max_b_frames > 0) {
int i;
int x,y, offset;
int x, y, offset;
uint8_t *p_pic;
x= s->mb_x*16;
y= s->mb_y*16;
if(x+16 > s->width) x= s->width-16;
if(y+16 > s->height) y= s->height-16;
x = s->mb_x * 16;
y = s->mb_y * 16;
if (x + 16 > s->width)
x = s->width - 16;
if (y + 16 > s->height)
y = s->height - 16;
offset= x + y*s->linesize;
offset = x + y * s->linesize;
p_pic = s->new_picture.f.data[0] + offset;
s->mb_skipped=1;
for(i=0; i<s->max_b_frames; i++){
s->mb_skipped = 1;
for (i = 0; i < s->max_b_frames; i++) {
uint8_t *b_pic;
int diff;
Picture *pic= s->reordered_input_picture[i+1];
Picture *pic = s->reordered_input_picture[i + 1];
if (pic == NULL || pic->f.pict_type != AV_PICTURE_TYPE_B)
if (!pic || pic->f.pict_type != AV_PICTURE_TYPE_B)
break;
b_pic = pic->f.data[0] + offset;
if (!pic->shared)
b_pic+= INPLACE_OFFSET;
diff= s->dsp.sad[0](NULL, p_pic, b_pic, s->linesize, 16);
if(diff>s->qscale*70){ //FIXME check that 70 is optimal
s->mb_skipped=0;
b_pic += INPLACE_OFFSET;
diff = s->dsp.sad[0](NULL, p_pic, b_pic, s->linesize, 16);
if (diff > s->qscale * 70) { // FIXME check that 70 is optimal
s->mb_skipped = 0;
break;
}
}
}else
s->mb_skipped=1;
} else
s->mb_skipped = 1;
if(s->mb_skipped==1){
if (s->mb_skipped == 1) {
/* skip macroblock */
put_bits(&s->pb, 1, 1);
if(interleaved_stats){
if (interleaved_stats) {
s->misc_bits++;
s->last_bits++;
}
......@@ -673,131 +715,135 @@ void ff_mpeg4_encode_mb(MpegEncContext * s,
cbpc = cbp & 3;
cbpy = cbp >> 2;
cbpy ^= 0xf;
if(s->mv_type==MV_TYPE_16X16){
if(s->dquant) cbpc+= 8;
if (s->mv_type == MV_TYPE_16X16) {
if (s->dquant)
cbpc += 8;
put_bits(&s->pb,
ff_h263_inter_MCBPC_bits[cbpc],
ff_h263_inter_MCBPC_code[cbpc]);
put_bits(pb2, ff_h263_cbpy_tab[cbpy][1], ff_h263_cbpy_tab[cbpy][0]);
if(s->dquant)
put_bits(pb2, 2, dquant_code[s->dquant+2]);
if (s->dquant)
put_bits(pb2, 2, dquant_code[s->dquant + 2]);
if(!s->progressive_sequence){
if(cbp)
if (!s->progressive_sequence) {
if (cbp)
put_bits(pb2, 1, s->interlaced_dct);
put_bits(pb2, 1, 0);
}
if(interleaved_stats){
s->misc_bits+= get_bits_diff(s);
}
if (interleaved_stats)
s->misc_bits += get_bits_diff(s);
/* motion vectors: 16x16 mode */
ff_h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
ff_h263_encode_motion_vector(s, motion_x - pred_x,
motion_y - pred_y, s->f_code);
}else if(s->mv_type==MV_TYPE_FIELD){
if(s->dquant) cbpc+= 8;
ff_h263_encode_motion_vector(s,
motion_x - pred_x,
motion_y - pred_y,
s->f_code);
} else if (s->mv_type == MV_TYPE_FIELD) {
if (s->dquant)
cbpc += 8;
put_bits(&s->pb,
ff_h263_inter_MCBPC_bits[cbpc],
ff_h263_inter_MCBPC_code[cbpc]);
put_bits(pb2, ff_h263_cbpy_tab[cbpy][1], ff_h263_cbpy_tab[cbpy][0]);
if(s->dquant)
put_bits(pb2, 2, dquant_code[s->dquant+2]);
if (s->dquant)
put_bits(pb2, 2, dquant_code[s->dquant + 2]);
assert(!s->progressive_sequence);
if(cbp)
if (cbp)
put_bits(pb2, 1, s->interlaced_dct);
put_bits(pb2, 1, 1);
if(interleaved_stats){
s->misc_bits+= get_bits_diff(s);
}
if (interleaved_stats)
s->misc_bits += get_bits_diff(s);
/* motion vectors: 16x8 interlaced mode */
ff_h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
pred_y /=2;
pred_y /= 2;
put_bits(&s->pb, 1, s->field_select[0][0]);
put_bits(&s->pb, 1, s->field_select[0][1]);
ff_h263_encode_motion_vector(s, s->mv[0][0][0] - pred_x,
s->mv[0][0][1] - pred_y, s->f_code);
ff_h263_encode_motion_vector(s, s->mv[0][1][0] - pred_x,
s->mv[0][1][1] - pred_y, s->f_code);
}else{
assert(s->mv_type==MV_TYPE_8X8);
ff_h263_encode_motion_vector(s,
s->mv[0][0][0] - pred_x,
s->mv[0][0][1] - pred_y,
s->f_code);
ff_h263_encode_motion_vector(s,
s->mv[0][1][0] - pred_x,
s->mv[0][1][1] - pred_y,
s->f_code);
} else {
assert(s->mv_type == MV_TYPE_8X8);
put_bits(&s->pb,
ff_h263_inter_MCBPC_bits[cbpc+16],
ff_h263_inter_MCBPC_code[cbpc+16]);
ff_h263_inter_MCBPC_bits[cbpc + 16],
ff_h263_inter_MCBPC_code[cbpc + 16]);
put_bits(pb2, ff_h263_cbpy_tab[cbpy][1], ff_h263_cbpy_tab[cbpy][0]);
if(!s->progressive_sequence){
if(cbp)
if (!s->progressive_sequence && cbp)
put_bits(pb2, 1, s->interlaced_dct);
}
if(interleaved_stats){
s->misc_bits+= get_bits_diff(s);
}
if (interleaved_stats)
s->misc_bits += get_bits_diff(s);
for(i=0; i<4; i++){
for (i = 0; i < 4; i++) {
/* motion vectors: 8x8 mode*/
ff_h263_pred_motion(s, i, 0, &pred_x, &pred_y);
ff_h263_encode_motion_vector(s, s->current_picture.motion_val[0][ s->block_index[i] ][0] - pred_x,
s->current_picture.motion_val[0][ s->block_index[i] ][1] - pred_y, s->f_code);
ff_h263_encode_motion_vector(s,
s->current_picture.motion_val[0][s->block_index[i]][0] - pred_x,
s->current_picture.motion_val[0][s->block_index[i]][1] - pred_y,
s->f_code);
}
}
if(interleaved_stats){
s->mv_bits+= get_bits_diff(s);
}
if (interleaved_stats)
s->mv_bits += get_bits_diff(s);
mpeg4_encode_blocks(s, block, NULL, NULL, NULL, tex_pb);
if(interleaved_stats){
s->p_tex_bits+= get_bits_diff(s);
}
if (interleaved_stats)
s->p_tex_bits += get_bits_diff(s);
s->f_count++;
}
} else {
int cbp;
int dc_diff[6]; //dc values with the dc prediction subtracted
int dir[6]; //prediction direction
int dc_diff[6]; // dc values with the dc prediction subtracted
int dir[6]; // prediction direction
int zigzag_last_index[6];
uint8_t *scan_table[6];
int i;
for(i=0; i<6; i++){
dc_diff[i]= ff_mpeg4_pred_dc(s, i, block[i][0], &dir[i], 1);
}
for (i = 0; i < 6; i++)
dc_diff[i] = ff_mpeg4_pred_dc(s, i, block[i][0], &dir[i], 1);
if(s->flags & CODEC_FLAG_AC_PRED){
s->ac_pred= decide_ac_pred(s, block, dir, scan_table, zigzag_last_index);
}else{
for(i=0; i<6; i++)
scan_table[i]= s->intra_scantable.permutated;
if (s->flags & CODEC_FLAG_AC_PRED) {
s->ac_pred = decide_ac_pred(s, block, dir, scan_table, zigzag_last_index);
} else {
for (i = 0; i < 6; i++)
scan_table[i] = s->intra_scantable.permutated;
}
/* compute cbp */
cbp = 0;
for (i = 0; i < 6; i++) {
for (i = 0; i < 6; i++)
if (s->block_last_index[i] >= 1)
cbp |= 1 << (5 - i);
}
cbpc = cbp & 3;
if (s->pict_type == AV_PICTURE_TYPE_I) {
if(s->dquant) cbpc+=4;
if (s->dquant)
cbpc += 4;
put_bits(&s->pb,
ff_h263_intra_MCBPC_bits[cbpc],
ff_h263_intra_MCBPC_code[cbpc]);
} else {
if(s->dquant) cbpc+=8;
if (s->dquant)
cbpc += 8;
put_bits(&s->pb, 1, 0); /* mb coded */
put_bits(&s->pb,
ff_h263_inter_MCBPC_bits[cbpc + 4],
......@@ -806,26 +852,24 @@ void ff_mpeg4_encode_mb(MpegEncContext * s,
put_bits(pb2, 1, s->ac_pred);
cbpy = cbp >> 2;
put_bits(pb2, ff_h263_cbpy_tab[cbpy][1], ff_h263_cbpy_tab[cbpy][0]);
if(s->dquant)
put_bits(dc_pb, 2, dquant_code[s->dquant+2]);
if (s->dquant)
put_bits(dc_pb, 2, dquant_code[s->dquant + 2]);
if(!s->progressive_sequence){
if (!s->progressive_sequence)
put_bits(dc_pb, 1, s->interlaced_dct);
}
if(interleaved_stats){
s->misc_bits+= get_bits_diff(s);
}
if (interleaved_stats)
s->misc_bits += get_bits_diff(s);
mpeg4_encode_blocks(s, block, dc_diff, scan_table, dc_pb, tex_pb);
if(interleaved_stats){
s->i_tex_bits+= get_bits_diff(s);
}
if (interleaved_stats)
s->i_tex_bits += get_bits_diff(s);
s->i_count++;
/* restore ac coeffs & last_index stuff if we messed them up with the prediction */
if(s->ac_pred)
/* restore ac coeffs & last_index stuff
* if we messed them up with the prediction */
if (s->ac_pred)
restore_ac_coeffs(s, block, dir, scan_table, zigzag_last_index);
}
}
......@@ -833,25 +877,28 @@ void ff_mpeg4_encode_mb(MpegEncContext * s,
/**
* add mpeg4 stuffing bits (01...1)
*/
void ff_mpeg4_stuffing(PutBitContext * pbc)
void ff_mpeg4_stuffing(PutBitContext *pbc)
{
int length;
put_bits(pbc, 1, 0);
length= (-put_bits_count(pbc))&7;
if(length) put_bits(pbc, length, (1<<length)-1);
length = (-put_bits_count(pbc)) & 7;
if (length)
put_bits(pbc, length, (1 << length) - 1);
}
/* must be called before writing the header */
void ff_set_mpeg4_time(MpegEncContext * s){
if(s->pict_type==AV_PICTURE_TYPE_B){
void ff_set_mpeg4_time(MpegEncContext *s)
{
if (s->pict_type == AV_PICTURE_TYPE_B) {
ff_mpeg4_init_direct_mv(s);
}else{
s->last_time_base= s->time_base;
s->time_base= s->time/s->avctx->time_base.den;
} else {
s->last_time_base = s->time_base;
s->time_base = s->time / s->avctx->time_base.den;
}
}
static void mpeg4_encode_gop_header(MpegEncContext * s){
static void mpeg4_encode_gop_header(MpegEncContext *s)
{
int hours, minutes, seconds;
int64_t time;
......@@ -859,53 +906,54 @@ static void mpeg4_encode_gop_header(MpegEncContext * s){
put_bits(&s->pb, 16, GOP_STARTCODE);
time = s->current_picture_ptr->f.pts;
if(s->reordered_input_picture[1])
if (s->reordered_input_picture[1])
time = FFMIN(time, s->reordered_input_picture[1]->f.pts);
time= time*s->avctx->time_base.num;
time = time * s->avctx->time_base.num;
seconds= time/s->avctx->time_base.den;
minutes= seconds/60; seconds %= 60;
hours= minutes/60; minutes %= 60;
hours%=24;
seconds = time / s->avctx->time_base.den;
minutes = seconds / 60;
seconds %= 60;
hours = minutes / 60;
minutes %= 60;
hours %= 24;
put_bits(&s->pb, 5, hours);
put_bits(&s->pb, 6, minutes);
put_bits(&s->pb, 1, 1);
put_bits(&s->pb, 6, seconds);
put_bits(&s->pb, 1, !!(s->flags&CODEC_FLAG_CLOSED_GOP));
put_bits(&s->pb, 1, 0); //broken link == NO
put_bits(&s->pb, 1, !!(s->flags & CODEC_FLAG_CLOSED_GOP));
put_bits(&s->pb, 1, 0); // broken link == NO
s->last_time_base= time / s->avctx->time_base.den;
s->last_time_base = time / s->avctx->time_base.den;
ff_mpeg4_stuffing(&s->pb);
}
static void mpeg4_encode_visual_object_header(MpegEncContext * s){
static void mpeg4_encode_visual_object_header(MpegEncContext *s)
{
int profile_and_level_indication;
int vo_ver_id;
if(s->avctx->profile != FF_PROFILE_UNKNOWN){
if (s->avctx->profile != FF_PROFILE_UNKNOWN) {
profile_and_level_indication = s->avctx->profile << 4;
}else if(s->max_b_frames || s->quarter_sample){
profile_and_level_indication= 0xF0; // adv simple
}else{
profile_and_level_indication= 0x00; // simple
} else if (s->max_b_frames || s->quarter_sample) {
profile_and_level_indication = 0xF0; // adv simple
} else {
profile_and_level_indication = 0x00; // simple
}
if(s->avctx->level != FF_LEVEL_UNKNOWN){
if (s->avctx->level != FF_LEVEL_UNKNOWN)
profile_and_level_indication |= s->avctx->level;
}else{
profile_and_level_indication |= 1; //level 1
}
else
profile_and_level_indication |= 1; // level 1
if(profile_and_level_indication>>4 == 0xF){
vo_ver_id= 5;
}else{
vo_ver_id= 1;
}
if (profile_and_level_indication >> 4 == 0xF)
vo_ver_id = 5;
else
vo_ver_id = 1;
//FIXME levels
// FIXME levels
put_bits(&s->pb, 16, 0);
put_bits(&s->pb, 16, VOS_STARTCODE);
......@@ -917,27 +965,30 @@ static void mpeg4_encode_visual_object_header(MpegEncContext * s){
put_bits(&s->pb, 1, 1);
put_bits(&s->pb, 4, vo_ver_id);
put_bits(&s->pb, 3, 1); //priority
put_bits(&s->pb, 3, 1); // priority
put_bits(&s->pb, 4, 1); //visual obj type== video obj
put_bits(&s->pb, 4, 1); // visual obj type== video obj
put_bits(&s->pb, 1, 0); //video signal type == no clue //FIXME
put_bits(&s->pb, 1, 0); // video signal type == no clue // FIXME
ff_mpeg4_stuffing(&s->pb);
}
static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_number)
static void mpeg4_encode_vol_header(MpegEncContext *s,
int vo_number,
int vol_number)
{
int vo_ver_id;
if (!CONFIG_MPEG4_ENCODER) return;
if (!CONFIG_MPEG4_ENCODER)
return;
if(s->max_b_frames || s->quarter_sample){
vo_ver_id= 5;
s->vo_type= ADV_SIMPLE_VO_TYPE;
}else{
vo_ver_id= 1;
s->vo_type= SIMPLE_VO_TYPE;
if (s->max_b_frames || s->quarter_sample) {
vo_ver_id = 5;
s->vo_type = ADV_SIMPLE_VO_TYPE;
} else {
vo_ver_id = 1;
s->vo_type = SIMPLE_VO_TYPE;
}
put_bits(&s->pb, 16, 0);
......@@ -947,7 +998,7 @@ static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_n
put_bits(&s->pb, 1, 0); /* random access vol */
put_bits(&s->pb, 8, s->vo_type); /* video obj type indication */
if(s->workaround_bugs & FF_BUG_MS) {
if (s->workaround_bugs & FF_BUG_MS) {
put_bits(&s->pb, 1, 0); /* is obj layer id= no */
} else {
put_bits(&s->pb, 1, 1); /* is obj layer id= yes */
......@@ -955,15 +1006,15 @@ static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_n
put_bits(&s->pb, 3, 1); /* is obj layer priority */
}
s->aspect_ratio_info= ff_h263_aspect_to_info(s->avctx->sample_aspect_ratio);
s->aspect_ratio_info = ff_h263_aspect_to_info(s->avctx->sample_aspect_ratio);
put_bits(&s->pb, 4, s->aspect_ratio_info);/* aspect ratio info */
if (s->aspect_ratio_info == FF_ASPECT_EXTENDED){
put_bits(&s->pb, 4, s->aspect_ratio_info); /* aspect ratio info */
if (s->aspect_ratio_info == FF_ASPECT_EXTENDED) {
put_bits(&s->pb, 8, s->avctx->sample_aspect_ratio.num);
put_bits(&s->pb, 8, s->avctx->sample_aspect_ratio.den);
}
if(s->workaround_bugs & FF_BUG_MS) { //
if (s->workaround_bugs & FF_BUG_MS) {
put_bits(&s->pb, 1, 0); /* vol control parameters= no @@@ */
} else {
put_bits(&s->pb, 1, 1); /* vol control parameters= yes */
......@@ -987,16 +1038,15 @@ static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_n
put_bits(&s->pb, 1, 1); /* marker bit */
put_bits(&s->pb, 1, s->progressive_sequence ? 0 : 1);
put_bits(&s->pb, 1, 1); /* obmc disable */
if (vo_ver_id == 1) {
if (vo_ver_id == 1)
put_bits(&s->pb, 1, s->vol_sprite_usage); /* sprite enable */
}else{
else
put_bits(&s->pb, 2, s->vol_sprite_usage); /* sprite enable */
}
put_bits(&s->pb, 1, 0); /* not 8 bit == false */
put_bits(&s->pb, 1, s->mpeg_quant); /* quant type= (0=h263 style)*/
if(s->mpeg_quant){
if (s->mpeg_quant) {
ff_write_quant_matrix(&s->pb, s->avctx->intra_matrix);
ff_write_quant_matrix(&s->pb, s->avctx->inter_matrix);
}
......@@ -1004,14 +1054,13 @@ static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_n
if (vo_ver_id != 1)
put_bits(&s->pb, 1, s->quarter_sample);
put_bits(&s->pb, 1, 1); /* complexity estimation disable */
s->resync_marker= s->rtp_mode;
put_bits(&s->pb, 1, s->resync_marker ? 0 : 1);/* resync marker disable */
s->resync_marker = s->rtp_mode;
put_bits(&s->pb, 1, s->resync_marker ? 0 : 1); /* resync marker disable */
put_bits(&s->pb, 1, s->data_partitioning ? 1 : 0);
if(s->data_partitioning){
if (s->data_partitioning)
put_bits(&s->pb, 1, 0); /* no rvlc */
}
if (vo_ver_id != 1){
if (vo_ver_id != 1) {
put_bits(&s->pb, 1, 0); /* newpred */
put_bits(&s->pb, 1, 0); /* reduced res vop */
}
......@@ -1020,7 +1069,7 @@ static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_n
ff_mpeg4_stuffing(&s->pb);
/* user data */
if(!(s->flags & CODEC_FLAG_BITEXACT)){
if (!(s->flags & CODEC_FLAG_BITEXACT)) {
put_bits(&s->pb, 16, 0);
put_bits(&s->pb, 16, 0x1B2); /* user_data */
avpriv_put_string(&s->pb, LIBAVCODEC_IDENT, 0);
......@@ -1028,34 +1077,34 @@ static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_n
}
/* write mpeg4 VOP header */
void ff_mpeg4_encode_picture_header(MpegEncContext * s, int picture_number)
void ff_mpeg4_encode_picture_header(MpegEncContext *s, int picture_number)
{
int time_incr;
int time_div, time_mod;
if(s->pict_type==AV_PICTURE_TYPE_I){
if(!(s->flags&CODEC_FLAG_GLOBAL_HEADER)){
if(s->strict_std_compliance < FF_COMPLIANCE_VERY_STRICT) //HACK, the reference sw is buggy
if (s->pict_type == AV_PICTURE_TYPE_I) {
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);
if(s->strict_std_compliance < FF_COMPLIANCE_VERY_STRICT || picture_number==0) //HACK, the reference sw is buggy
if (s->strict_std_compliance < FF_COMPLIANCE_VERY_STRICT || picture_number == 0) // HACK, the reference sw is buggy
mpeg4_encode_vol_header(s, 0, 0);
}
if(!(s->workaround_bugs & FF_BUG_MS))
if (!(s->workaround_bugs & FF_BUG_MS))
mpeg4_encode_gop_header(s);
}
s->partitioned_frame= s->data_partitioning && s->pict_type!=AV_PICTURE_TYPE_B;
s->partitioned_frame = s->data_partitioning && s->pict_type != AV_PICTURE_TYPE_B;
put_bits(&s->pb, 16, 0); /* vop header */
put_bits(&s->pb, 16, VOP_STARTCODE); /* vop header */
put_bits(&s->pb, 2, s->pict_type - 1); /* pict type: I = 0 , P = 1 */
assert(s->time>=0);
time_div= s->time/s->avctx->time_base.den;
time_mod= s->time%s->avctx->time_base.den;
time_incr= time_div - s->last_time_base;
assert(s->time >= 0);
time_div = s->time / s->avctx->time_base.den;
time_mod = s->time % s->avctx->time_base.den;
time_incr = time_div - s->last_time_base;
assert(time_incr >= 0);
while(time_incr--)
while (time_incr--)
put_bits(&s->pb, 1, 1);
put_bits(&s->pb, 1, 0);
......@@ -1064,16 +1113,16 @@ void ff_mpeg4_encode_picture_header(MpegEncContext * s, int picture_number)
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 == AV_PICTURE_TYPE_P
|| (s->pict_type == AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE)) {
if (s->pict_type == AV_PICTURE_TYPE_P ||
(s->pict_type == AV_PICTURE_TYPE_S && 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 */
if(!s->progressive_sequence){
if (!s->progressive_sequence) {
put_bits(&s->pb, 1, s->current_picture_ptr->f.top_field_first);
put_bits(&s->pb, 1, s->alternate_scan);
}
//FIXME sprite stuff
// FIXME sprite stuff
put_bits(&s->pb, 5, s->qscale);
......@@ -1083,12 +1132,11 @@ void ff_mpeg4_encode_picture_header(MpegEncContext * s, int picture_number)
put_bits(&s->pb, 3, s->b_code); /* fcode_back */
}
static av_cold void init_uni_dc_tab(void)
{
int level, uni_code, uni_len;
for(level=-256; level<256; level++){
for (level = -256; level < 256; level++) {
int size, v, l;
/* find number of bits */
size = 0;
......@@ -1099,40 +1147,43 @@ static av_cold void init_uni_dc_tab(void)
}
if (level < 0)
l= (-level) ^ ((1 << size) - 1);
l = (-level) ^ ((1 << size) - 1);
else
l= level;
l = level;
/* luminance */
uni_code= ff_mpeg4_DCtab_lum[size][0];
uni_code = ff_mpeg4_DCtab_lum[size][0];
uni_len = ff_mpeg4_DCtab_lum[size][1];
if (size > 0) {
uni_code<<=size; uni_code|=l;
uni_len+=size;
if (size > 8){
uni_code<<=1; uni_code|=1;
uni_code <<= size;
uni_code |= l;
uni_len += size;
if (size > 8) {
uni_code <<= 1;
uni_code |= 1;
uni_len++;
}
}
uni_DCtab_lum_bits[level+256]= uni_code;
uni_DCtab_lum_len [level+256]= uni_len;
uni_DCtab_lum_bits[level + 256] = uni_code;
uni_DCtab_lum_len[level + 256] = uni_len;
/* chrominance */
uni_code= ff_mpeg4_DCtab_chrom[size][0];
uni_code = ff_mpeg4_DCtab_chrom[size][0];
uni_len = ff_mpeg4_DCtab_chrom[size][1];
if (size > 0) {
uni_code<<=size; uni_code|=l;
uni_len+=size;
if (size > 8){
uni_code<<=1; uni_code|=1;
uni_code <<= size;
uni_code |= l;
uni_len += size;
if (size > 8) {
uni_code <<= 1;
uni_code |= 1;
uni_len++;
}
}
uni_DCtab_chrom_bits[level+256]= uni_code;
uni_DCtab_chrom_len [level+256]= uni_len;
uni_DCtab_chrom_bits[level + 256] = uni_code;
uni_DCtab_chrom_len[level + 256] = uni_len;
}
}
......@@ -1144,75 +1195,87 @@ static av_cold void init_uni_mpeg4_rl_tab(RLTable *rl, uint32_t *bits_tab,
assert(MAX_LEVEL >= 64);
assert(MAX_RUN >= 63);
for(slevel=-64; slevel<64; slevel++){
if(slevel==0) continue;
for(run=0; run<64; run++){
for(last=0; last<=1; last++){
const int index= UNI_MPEG4_ENC_INDEX(last, run, slevel+64);
int level= slevel < 0 ? -slevel : slevel;
int sign= slevel < 0 ? 1 : 0;
for (slevel = -64; slevel < 64; slevel++) {
if (slevel == 0)
continue;
for (run = 0; run < 64; run++) {
for (last = 0; last <= 1; last++) {
const int index = UNI_MPEG4_ENC_INDEX(last, run, slevel + 64);
int level = slevel < 0 ? -slevel : slevel;
int sign = slevel < 0 ? 1 : 0;
int bits, len, code;
int level1, run1;
len_tab[index]= 100;
len_tab[index] = 100;
/* ESC0 */
code= get_rl_index(rl, last, run, level);
bits= rl->table_vlc[code][0];
len= rl->table_vlc[code][1];
bits=bits*2+sign; len++;
code = get_rl_index(rl, last, run, level);
bits = rl->table_vlc[code][0];
len = rl->table_vlc[code][1];
bits = bits * 2 + sign;
len++;
if(code!=rl->n && len < len_tab[index]){
bits_tab[index]= bits;
len_tab [index]= len;
if (code != rl->n && len < len_tab[index]) {
bits_tab[index] = bits;
len_tab[index] = len;
}
/* ESC1 */
bits= rl->table_vlc[rl->n][0];
len= rl->table_vlc[rl->n][1];
bits=bits*2; len++; //esc1
level1= level - rl->max_level[last][run];
if(level1>0){
code= get_rl_index(rl, last, run, level1);
bits<<= rl->table_vlc[code][1];
bits = rl->table_vlc[rl->n][0];
len = rl->table_vlc[rl->n][1];
bits = bits * 2;
len++; // esc1
level1 = level - rl->max_level[last][run];
if (level1 > 0) {
code = get_rl_index(rl, last, run, level1);
bits <<= rl->table_vlc[code][1];
len += rl->table_vlc[code][1];
bits += rl->table_vlc[code][0];
bits=bits*2+sign; len++;
bits = bits * 2 + sign;
len++;
if(code!=rl->n && len < len_tab[index]){
bits_tab[index]= bits;
len_tab [index]= len;
if (code != rl->n && len < len_tab[index]) {
bits_tab[index] = bits;
len_tab[index] = len;
}
}
/* ESC2 */
bits= rl->table_vlc[rl->n][0];
len= rl->table_vlc[rl->n][1];
bits=bits*4+2; len+=2; //esc2
bits = rl->table_vlc[rl->n][0];
len = rl->table_vlc[rl->n][1];
bits = bits * 4 + 2;
len += 2; // esc2
run1 = run - rl->max_run[last][level] - 1;
if(run1>=0){
code= get_rl_index(rl, last, run1, level);
bits<<= rl->table_vlc[code][1];
if (run1 >= 0) {
code = get_rl_index(rl, last, run1, level);
bits <<= rl->table_vlc[code][1];
len += rl->table_vlc[code][1];
bits += rl->table_vlc[code][0];
bits=bits*2+sign; len++;
bits = bits * 2 + sign;
len++;
if(code!=rl->n && len < len_tab[index]){
bits_tab[index]= bits;
len_tab [index]= len;
if (code != rl->n && len < len_tab[index]) {
bits_tab[index] = bits;
len_tab[index] = len;
}
}
/* ESC3 */
bits= rl->table_vlc[rl->n][0];
bits = rl->table_vlc[rl->n][0];
len = rl->table_vlc[rl->n][1];
bits=bits*4+3; len+=2; //esc3
bits=bits*2+last; len++;
bits=bits*64+run; len+=6;
bits=bits*2+1; len++; //marker
bits=bits*4096+(slevel&0xfff); len+=12;
bits=bits*2+1; len++; //marker
bits = bits * 4 + 3;
len += 2; // esc3
bits = bits * 2 + last;
len++;
bits = bits * 64 + run;
len += 6;
bits = bits * 2 + 1;
len++; // marker
bits = bits * 4096 + (slevel & 0xfff);
len += 12;
bits = bits * 2 + 1;
len++; // marker
if(len < len_tab[index]){
bits_tab[index]= bits;
len_tab [index]= len;
if (len < len_tab[index]) {
bits_tab[index] = bits;
len_tab[index] = len;
}
}
}
......@@ -1225,7 +1288,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
int ret;
static int done = 0;
if((ret=ff_MPV_encode_init(avctx)) < 0)
if ((ret = ff_MPV_encode_init(avctx)) < 0)
return ret;
if (!done) {
......@@ -1239,81 +1302,79 @@ static av_cold int encode_init(AVCodecContext *avctx)
init_uni_mpeg4_rl_tab(&ff_h263_rl_inter, uni_mpeg4_inter_rl_bits, uni_mpeg4_inter_rl_len);
}
s->min_qcoeff= -2048;
s->max_qcoeff= 2047;
s->min_qcoeff = -2048;
s->max_qcoeff = 2047;
s->intra_ac_vlc_length = uni_mpeg4_intra_rl_len;
s->intra_ac_vlc_last_length= uni_mpeg4_intra_rl_len + 128*64;
s->intra_ac_vlc_last_length = uni_mpeg4_intra_rl_len + 128 * 64;
s->inter_ac_vlc_length = uni_mpeg4_inter_rl_len;
s->inter_ac_vlc_last_length= uni_mpeg4_inter_rl_len + 128*64;
s->luma_dc_vlc_length= uni_DCtab_lum_len;
s->ac_esc_length= 7+2+1+6+1+12+1;
s->y_dc_scale_table= ff_mpeg4_y_dc_scale_table;
s->c_dc_scale_table= ff_mpeg4_c_dc_scale_table;
if(s->flags & CODEC_FLAG_GLOBAL_HEADER){
s->avctx->extradata= av_malloc(1024);
s->inter_ac_vlc_last_length = uni_mpeg4_inter_rl_len + 128 * 64;
s->luma_dc_vlc_length = uni_DCtab_lum_len;
s->ac_esc_length = 7 + 2 + 1 + 6 + 1 + 12 + 1;
s->y_dc_scale_table = ff_mpeg4_y_dc_scale_table;
s->c_dc_scale_table = ff_mpeg4_c_dc_scale_table;
if (s->flags & CODEC_FLAG_GLOBAL_HEADER) {
s->avctx->extradata = av_malloc(1024);
init_put_bits(&s->pb, s->avctx->extradata, 1024);
if(!(s->workaround_bugs & FF_BUG_MS))
if (!(s->workaround_bugs & FF_BUG_MS))
mpeg4_encode_visual_object_header(s);
mpeg4_encode_vol_header(s, 0, 0);
// ff_mpeg4_stuffing(&s->pb); ?
flush_put_bits(&s->pb);
s->avctx->extradata_size= (put_bits_count(&s->pb)+7)>>3;
s->avctx->extradata_size = (put_bits_count(&s->pb) + 7) >> 3;
}
return 0;
}
void ff_mpeg4_init_partitions(MpegEncContext *s)
{
uint8_t *start= put_bits_ptr(&s->pb);
uint8_t *end= s->pb.buf_end;
int size= end - start;
int pb_size = (((intptr_t)start + size/3)&(~3)) - (intptr_t)start;
int tex_size= (size - 2*pb_size)&(~3);
uint8_t *start = put_bits_ptr(&s->pb);
uint8_t *end = s->pb.buf_end;
int size = end - 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);
init_put_bits(&s->tex_pb, start + pb_size , tex_size);
init_put_bits(&s->pb2 , start + pb_size + tex_size, pb_size);
init_put_bits(&s->tex_pb, start + pb_size, tex_size);
init_put_bits(&s->pb2, start + pb_size + tex_size, pb_size);
}
void ff_mpeg4_merge_partitions(MpegEncContext *s)
{
const int pb2_len = put_bits_count(&s->pb2 );
const int tex_pb_len= put_bits_count(&s->tex_pb);
const int bits= put_bits_count(&s->pb);
const int pb2_len = put_bits_count(&s->pb2);
const int tex_pb_len = put_bits_count(&s->tex_pb);
const int bits = put_bits_count(&s->pb);
if(s->pict_type==AV_PICTURE_TYPE_I){
if (s->pict_type == AV_PICTURE_TYPE_I) {
put_bits(&s->pb, 19, DC_MARKER);
s->misc_bits+=19 + pb2_len + bits - s->last_bits;
s->i_tex_bits+= tex_pb_len;
}else{
s->misc_bits += 19 + pb2_len + bits - s->last_bits;
s->i_tex_bits += tex_pb_len;
} else {
put_bits(&s->pb, 17, MOTION_MARKER);
s->misc_bits+=17 + pb2_len;
s->mv_bits+= bits - s->last_bits;
s->p_tex_bits+= tex_pb_len;
s->misc_bits += 17 + pb2_len;
s->mv_bits += bits - s->last_bits;
s->p_tex_bits += tex_pb_len;
}
flush_put_bits(&s->pb2);
flush_put_bits(&s->tex_pb);
set_put_bits_buffer_size(&s->pb, s->pb2.buf_end - s->pb.buf);
avpriv_copy_bits(&s->pb, s->pb2.buf , pb2_len);
avpriv_copy_bits(&s->pb, s->pb2.buf, pb2_len);
avpriv_copy_bits(&s->pb, s->tex_pb.buf, tex_pb_len);
s->last_bits= put_bits_count(&s->pb);
s->last_bits = put_bits_count(&s->pb);
}
void ff_mpeg4_encode_video_packet_header(MpegEncContext *s)
{
int mb_num_bits= av_log2(s->mb_num - 1) + 1;
int mb_num_bits = av_log2(s->mb_num - 1) + 1;
put_bits(&s->pb, ff_mpeg4_get_video_packet_prefix_length(s), 0);
put_bits(&s->pb, 1, 1);
put_bits(&s->pb, mb_num_bits, s->mb_x + s->mb_y*s->mb_width);
put_bits(&s->pb, mb_num_bits, s->mb_x + s->mb_y * s->mb_width);
put_bits(&s->pb, s->quant_precision, s->qscale);
put_bits(&s->pb, 1, 0); /* no HEC */
}
......@@ -1343,7 +1404,7 @@ AVCodec ff_mpeg4_encoder = {
.init = encode_init,
.encode2 = ff_MPV_encode_picture,
.close = ff_MPV_encode_end,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
.capabilities = CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS,
.priv_class = &mpeg4enc_class,
};
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