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ffmpeg.wasm-core
Commit eda7571e authored by Gabriel Dume's avatar Gabriel Dume Committed by Diego Biurrun
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wmv2: K&R formatting cosmetics 

Signed-off-by: 's avatarDiego Biurrun <diego@biurrun.de>
parent 7a1d6ddd
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Showing with 382 additions and 362 deletions
libavcodec/wmv2.c
View file @ eda7571e
......@@ -26,8 +26,9 @@
#include "wmv2.h"
av_cold void ff_wmv2_common_init(Wmv2Context * w){
MpegEncContext * const s= &w->s;
av_cold void ff_wmv2_common_init(Wmv2Context *w)
{
MpegEncContext *const s = &w->s;
ff_blockdsp_init(&s->bdsp, s->avctx);
ff_wmv2dsp_init(&w->wdsp);
......@@ -51,84 +52,87 @@ av_cold void ff_wmv2_common_init(Wmv2Context * w){
s->idsp.idct = NULL;
}
static void wmv2_add_block(Wmv2Context *w, int16_t *block1, uint8_t *dst, int stride, int n){
MpegEncContext * const s= &w->s;
if (s->block_last_index[n] >= 0) {
switch(w->abt_type_table[n]){
case 0:
w->wdsp.idct_add(dst, stride, block1);
break;
case 1:
ff_simple_idct84_add(dst , stride, block1);
ff_simple_idct84_add(dst + 4*stride, stride, w->abt_block2[n]);
s->bdsp.clear_block(w->abt_block2[n]);
break;
case 2:
ff_simple_idct48_add(dst , stride, block1);
ff_simple_idct48_add(dst + 4 , stride, w->abt_block2[n]);
s->bdsp.clear_block(w->abt_block2[n]);
break;
default:
av_log(s->avctx, AV_LOG_ERROR, "internal error in WMV2 abt\n");
static void wmv2_add_block(Wmv2Context *w, int16_t *block1,
uint8_t *dst, int stride, int n)
{
MpegEncContext *const s = &w->s;
if (s->block_last_index[n] >= 0) {
switch (w->abt_type_table[n]) {
case 0:
w->wdsp.idct_add(dst, stride, block1);
break;
case 1:
ff_simple_idct84_add(dst, stride, block1);
ff_simple_idct84_add(dst + 4 * stride, stride, w->abt_block2[n]);
s->bdsp.clear_block(w->abt_block2[n]);
break;
case 2:
ff_simple_idct48_add(dst, stride, block1);
ff_simple_idct48_add(dst + 4, stride, w->abt_block2[n]);
s->bdsp.clear_block(w->abt_block2[n]);
break;
default:
av_log(s->avctx, AV_LOG_ERROR, "internal error in WMV2 abt\n");
}
}
}
}
void ff_wmv2_add_mb(MpegEncContext *s, int16_t block1[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr){
Wmv2Context * const w= (Wmv2Context*)s;
void ff_wmv2_add_mb(MpegEncContext *s, int16_t block1[6][64],
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr)
{
Wmv2Context *const w = (Wmv2Context *) s;
wmv2_add_block(w, block1[0], dest_y , s->linesize, 0);
wmv2_add_block(w, block1[1], dest_y + 8 , s->linesize, 1);
wmv2_add_block(w, block1[2], dest_y + 8*s->linesize, s->linesize, 2);
wmv2_add_block(w, block1[3], dest_y + 8 + 8*s->linesize, s->linesize, 3);
wmv2_add_block(w, block1[0], dest_y, s->linesize, 0);
wmv2_add_block(w, block1[1], dest_y + 8, s->linesize, 1);
wmv2_add_block(w, block1[2], dest_y + 8 * s->linesize, s->linesize, 2);
wmv2_add_block(w, block1[3], dest_y + 8 + 8 * s->linesize, s->linesize, 3);
if(s->flags&CODEC_FLAG_GRAY) return;
if (s->flags & CODEC_FLAG_GRAY)
return;
wmv2_add_block(w, block1[4], dest_cb , s->uvlinesize, 4);
wmv2_add_block(w, block1[5], dest_cr , s->uvlinesize, 5);
wmv2_add_block(w, block1[4], dest_cb, s->uvlinesize, 4);
wmv2_add_block(w, block1[5], dest_cr, s->uvlinesize, 5);
}
void ff_mspel_motion(MpegEncContext *s,
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
int motion_x, int motion_y, int h)
void ff_mspel_motion(MpegEncContext *s, uint8_t *dest_y,
uint8_t *dest_cb, uint8_t *dest_cr,
uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
int motion_x, int motion_y, int h)
{
Wmv2Context * const w= (Wmv2Context*)s;
Wmv2Context *const w = (Wmv2Context *) s;
uint8_t *ptr;
int dxy, offset, mx, my, src_x, src_y, v_edge_pos;
ptrdiff_t linesize, uvlinesize;
int emu=0;
int emu = 0;
dxy = ((motion_y & 1) << 1) | (motion_x & 1);
dxy = 2*dxy + w->hshift;
dxy = ((motion_y & 1) << 1) | (motion_x & 1);
dxy = 2 * dxy + w->hshift;
src_x = s->mb_x * 16 + (motion_x >> 1);
src_y = s->mb_y * 16 + (motion_y >> 1);
/* WARNING: do no forget half pels */
v_edge_pos = s->v_edge_pos;
src_x = av_clip(src_x, -16, s->width);
src_y = av_clip(src_y, -16, s->height);
src_x = av_clip(src_x, -16, s->width);
src_y = av_clip(src_y, -16, s->height);
if(src_x<=-16 || src_x >= s->width)
if (src_x <= -16 || src_x >= s->width)
dxy &= ~3;
if(src_y<=-16 || src_y >= s->height)
if (src_y <= -16 || src_y >= s->height)
dxy &= ~4;
linesize = s->linesize;
uvlinesize = s->uvlinesize;
ptr = ref_picture[0] + (src_y * linesize) + src_x;
if(src_x<1 || src_y<1 || src_x + 17 >= s->h_edge_pos
|| src_y + h+1 >= v_edge_pos){
s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
ptr - 1 - s->linesize,
s->linesize, s->linesize,
19, 19,
ptr = ref_picture[0] + (src_y * linesize) + src_x;
if (src_x < 1 || src_y < 1 || src_x + 17 >= s->h_edge_pos ||
src_y + h + 1 >= v_edge_pos) {
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr - 1 - s->linesize,
s->linesize, s->linesize, 19, 19,
src_x - 1, src_y - 1,
s->h_edge_pos, s->v_edge_pos);
ptr= s->edge_emu_buffer + 1 + s->linesize;
emu=1;
ptr = s->edge_emu_buffer + 1 + s->linesize;
emu = 1;
}
w->wdsp.put_mspel_pixels_tab[dxy](dest_y, ptr, linesize);
......@@ -136,7 +140,8 @@ void ff_mspel_motion(MpegEncContext *s,
w->wdsp.put_mspel_pixels_tab[dxy](dest_y + 8 * linesize, ptr + 8 * linesize, linesize);
w->wdsp.put_mspel_pixels_tab[dxy](dest_y + 8 + 8 * linesize, ptr + 8 + 8 * linesize, linesize);
if(s->flags&CODEC_FLAG_GRAY) return;
if (s->flags & CODEC_FLAG_GRAY)
return;
if (s->out_format == FMT_H263) {
dxy = 0;
......@@ -147,9 +152,9 @@ void ff_mspel_motion(MpegEncContext *s,
mx = motion_x >> 2;
my = motion_y >> 2;
} else {
mx = motion_x / 2;
my = motion_y / 2;
dxy = ((my & 1) << 1) | (mx & 1);
mx = motion_x / 2;
my = motion_y / 2;
dxy = ((my & 1) << 1) | (mx & 1);
mx >>= 1;
my >>= 1;
}
......@@ -163,25 +168,25 @@ void ff_mspel_motion(MpegEncContext *s,
if (src_y == (s->height >> 1))
dxy &= ~2;
offset = (src_y * uvlinesize) + src_x;
ptr = ref_picture[1] + offset;
if(emu){
ptr = ref_picture[1] + offset;
if (emu) {
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr,
s->uvlinesize, s->uvlinesize,
9, 9,
src_x, src_y,
s->h_edge_pos >> 1, s->v_edge_pos >> 1);
ptr= s->edge_emu_buffer;
ptr = s->edge_emu_buffer;
}
pix_op[1][dxy](dest_cb, ptr, uvlinesize, h >> 1);
ptr = ref_picture[2] + offset;
if(emu){
if (emu) {
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr,
s->uvlinesize, s->uvlinesize,
9, 9,
src_x, src_y,
s->h_edge_pos >> 1, s->v_edge_pos >> 1);
ptr= s->edge_emu_buffer;
ptr = s->edge_emu_buffer;
}
pix_op[1][dxy](dest_cr, ptr, uvlinesize, h >> 1);
}
libavcodec/wmv2.h
View file @ eda7571e
......@@ -22,8 +22,8 @@
#define AVCODEC_WMV2_H
#include "avcodec.h"
#include "mpegvideo.h"
#include "intrax8.h"
#include "mpegvideo.h"
#include "wmv2dsp.h"
#define SKIP_TYPE_NONE 0
......@@ -32,7 +32,7 @@
#define SKIP_TYPE_COL 3
typedef struct Wmv2Context{
typedef struct Wmv2Context {
MpegEncContext s;
IntraX8Context x8;
WMV2DSPContext wdsp;
......@@ -52,8 +52,8 @@ typedef struct Wmv2Context{
ScanTable abt_scantable[2];
DECLARE_ALIGNED(16, int16_t, abt_block2)[6][64];
}Wmv2Context;
} Wmv2Context;
void ff_wmv2_common_init(Wmv2Context * w);
void ff_wmv2_common_init(Wmv2Context *w);
#endif /* AVCODEC_WMV2_H */
libavcodec/wmv2dec.c
View file @ eda7571e
......@@ -19,265 +19,271 @@
*/
#include "avcodec.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "h263.h"
#include "intrax8.h"
#include "mathops.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "msmpeg4.h"
#include "msmpeg4data.h"
#include "intrax8.h"
#include "wmv2.h"
static void parse_mb_skip(Wmv2Context * w){
static void parse_mb_skip(Wmv2Context *w)
{
int mb_x, mb_y;
MpegEncContext * const s= &w->s;
uint32_t * const mb_type = s->current_picture_ptr->mb_type;
MpegEncContext *const s = &w->s;
uint32_t *const mb_type = s->current_picture_ptr->mb_type;
w->skip_type= get_bits(&s->gb, 2);
switch(w->skip_type){
w->skip_type = get_bits(&s->gb, 2);
switch (w->skip_type) {
case SKIP_TYPE_NONE:
for(mb_y=0; mb_y<s->mb_height; mb_y++){
for(mb_x=0; mb_x<s->mb_width; mb_x++){
mb_type[mb_y*s->mb_stride + mb_x]= MB_TYPE_16x16 | MB_TYPE_L0;
}
}
for (mb_y = 0; mb_y < s->mb_height; mb_y++)
for (mb_x = 0; mb_x < s->mb_width; mb_x++)
mb_type[mb_y * s->mb_stride + mb_x] =
MB_TYPE_16x16 | MB_TYPE_L0;
break;
case SKIP_TYPE_MPEG:
for(mb_y=0; mb_y<s->mb_height; mb_y++){
for(mb_x=0; mb_x<s->mb_width; mb_x++){
mb_type[mb_y*s->mb_stride + mb_x]= (get_bits1(&s->gb) ? MB_TYPE_SKIP : 0) | MB_TYPE_16x16 | MB_TYPE_L0;
}
}
for (mb_y = 0; mb_y < s->mb_height; mb_y++)
for (mb_x = 0; mb_x < s->mb_width; mb_x++)
mb_type[mb_y * s->mb_stride + mb_x] =
(get_bits1(&s->gb) ? MB_TYPE_SKIP : 0) | MB_TYPE_16x16 | MB_TYPE_L0;
break;
case SKIP_TYPE_ROW:
for(mb_y=0; mb_y<s->mb_height; mb_y++){
if(get_bits1(&s->gb)){
for(mb_x=0; mb_x<s->mb_width; mb_x++){
mb_type[mb_y*s->mb_stride + mb_x]= MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
}
}else{
for(mb_x=0; mb_x<s->mb_width; mb_x++){
mb_type[mb_y*s->mb_stride + mb_x]= (get_bits1(&s->gb) ? MB_TYPE_SKIP : 0) | MB_TYPE_16x16 | MB_TYPE_L0;
}
for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
if (get_bits1(&s->gb)) {
for (mb_x = 0; mb_x < s->mb_width; mb_x++)
mb_type[mb_y * s->mb_stride + mb_x] =
MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
} else {
for (mb_x = 0; mb_x < s->mb_width; mb_x++)
mb_type[mb_y * s->mb_stride + mb_x] =
(get_bits1(&s->gb) ? MB_TYPE_SKIP : 0) | MB_TYPE_16x16 | MB_TYPE_L0;
}
}
break;
case SKIP_TYPE_COL:
for(mb_x=0; mb_x<s->mb_width; mb_x++){
if(get_bits1(&s->gb)){
for(mb_y=0; mb_y<s->mb_height; mb_y++){
mb_type[mb_y*s->mb_stride + mb_x]= MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
}
}else{
for(mb_y=0; mb_y<s->mb_height; mb_y++){
mb_type[mb_y*s->mb_stride + mb_x]= (get_bits1(&s->gb) ? MB_TYPE_SKIP : 0) | MB_TYPE_16x16 | MB_TYPE_L0;
}
for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
if (get_bits1(&s->gb)) {
for (mb_y = 0; mb_y < s->mb_height; mb_y++)
mb_type[mb_y * s->mb_stride + mb_x] =
MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
} else {
for (mb_y = 0; mb_y < s->mb_height; mb_y++)
mb_type[mb_y * s->mb_stride + mb_x] =
(get_bits1(&s->gb) ? MB_TYPE_SKIP : 0) | MB_TYPE_16x16 | MB_TYPE_L0;
}
}
break;
}
}
static int decode_ext_header(Wmv2Context *w){
MpegEncContext * const s= &w->s;
static int decode_ext_header(Wmv2Context *w)
{
MpegEncContext *const s = &w->s;
GetBitContext gb;
int fps;
int code;
if(s->avctx->extradata_size<4) return -1;
if (s->avctx->extradata_size < 4)
return -1;
init_get_bits(&gb, s->avctx->extradata, 32);
fps = get_bits(&gb, 5);
s->bit_rate = get_bits(&gb, 11)*1024;
w->mspel_bit = get_bits1(&gb);
s->loop_filter = get_bits1(&gb);
w->abt_flag = get_bits1(&gb);
w->j_type_bit = get_bits1(&gb);
w->top_left_mv_flag= get_bits1(&gb);
w->per_mb_rl_bit = get_bits1(&gb);
code = get_bits(&gb, 3);
if(code==0) return -1;
fps = get_bits(&gb, 5);
s->bit_rate = get_bits(&gb, 11) * 1024;
w->mspel_bit = get_bits1(&gb);
s->loop_filter = get_bits1(&gb);
w->abt_flag = get_bits1(&gb);
w->j_type_bit = get_bits1(&gb);
w->top_left_mv_flag = get_bits1(&gb);
w->per_mb_rl_bit = get_bits1(&gb);
code = get_bits(&gb, 3);
if (code == 0)
return -1;
s->slice_height = s->mb_height / code;
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
av_log(s->avctx, AV_LOG_DEBUG, "fps:%d, br:%d, qpbit:%d, abt_flag:%d, j_type_bit:%d, tl_mv_flag:%d, mbrl_bit:%d, code:%d, loop_filter:%d, slices:%d\n",
fps, s->bit_rate, w->mspel_bit, w->abt_flag, w->j_type_bit, w->top_left_mv_flag, w->per_mb_rl_bit, code, s->loop_filter,
code);
}
if (s->avctx->debug & FF_DEBUG_PICT_INFO)
av_log(s->avctx, AV_LOG_DEBUG,
"fps:%d, br:%d, qpbit:%d, abt_flag:%d, j_type_bit:%d, "
"tl_mv_flag:%d, mbrl_bit:%d, code:%d, loop_filter:%d, "
"slices:%d\n",
fps, s->bit_rate, w->mspel_bit, w->abt_flag, w->j_type_bit,
w->top_left_mv_flag, w->per_mb_rl_bit, code, s->loop_filter,
code);
return 0;
}
int ff_wmv2_decode_picture_header(MpegEncContext * s)
int ff_wmv2_decode_picture_header(MpegEncContext *s)
{
Wmv2Context * const w= (Wmv2Context*)s;
Wmv2Context *const w = (Wmv2Context *) s;
int code;
if(s->picture_number==0)
if (s->picture_number == 0)
decode_ext_header(w);
s->pict_type = get_bits1(&s->gb) + 1;
if(s->pict_type == AV_PICTURE_TYPE_I){
if (s->pict_type == AV_PICTURE_TYPE_I) {
code = get_bits(&s->gb, 7);
av_log(s->avctx, AV_LOG_DEBUG, "I7:%X/\n", code);
}
s->chroma_qscale= s->qscale = get_bits(&s->gb, 5);
if(s->qscale <= 0)
return -1;
s->chroma_qscale = s->qscale = get_bits(&s->gb, 5);
if (s->qscale <= 0)
return -1;
return 0;
}
int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s)
int ff_wmv2_decode_secondary_picture_header(MpegEncContext *s)
{
Wmv2Context * const w= (Wmv2Context*)s;
Wmv2Context *const w = (Wmv2Context *) s;
if (s->pict_type == AV_PICTURE_TYPE_I) {
if(w->j_type_bit) w->j_type= get_bits1(&s->gb);
else w->j_type= 0; //FIXME check
if(!w->j_type){
if(w->per_mb_rl_bit) s->per_mb_rl_table= get_bits1(&s->gb);
else s->per_mb_rl_table= 0;
if(!s->per_mb_rl_table){
if (w->j_type_bit)
w->j_type = get_bits1(&s->gb);
else
w->j_type = 0; // FIXME check
if (!w->j_type) {
if (w->per_mb_rl_bit)
s->per_mb_rl_table = get_bits1(&s->gb);
else
s->per_mb_rl_table = 0;
if (!s->per_mb_rl_table) {
s->rl_chroma_table_index = decode012(&s->gb);
s->rl_table_index = decode012(&s->gb);
s->rl_table_index = decode012(&s->gb);
}
s->dc_table_index = get_bits1(&s->gb);
}
s->inter_intra_pred= 0;
s->no_rounding = 1;
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
av_log(s->avctx, AV_LOG_DEBUG, "qscale:%d rlc:%d rl:%d dc:%d mbrl:%d j_type:%d \n",
s->qscale,
s->rl_chroma_table_index,
s->rl_table_index,
s->dc_table_index,
s->per_mb_rl_table,
w->j_type);
s->inter_intra_pred = 0;
s->no_rounding = 1;
if (s->avctx->debug & FF_DEBUG_PICT_INFO) {
av_log(s->avctx, AV_LOG_DEBUG,
"qscale:%d rlc:%d rl:%d dc:%d mbrl:%d j_type:%d \n",
s->qscale, s->rl_chroma_table_index, s->rl_table_index,
s->dc_table_index, s->per_mb_rl_table, w->j_type);
}
}else{
} else {
int cbp_index;
w->j_type=0;
w->j_type = 0;
parse_mb_skip(w);
cbp_index= decode012(&s->gb);
if(s->qscale <= 10){
int map[3]= {0,2,1};
w->cbp_table_index= map[cbp_index];
}else if(s->qscale <= 20){
int map[3]= {1,0,2};
w->cbp_table_index= map[cbp_index];
}else{
int map[3]= {2,1,0};
w->cbp_table_index= map[cbp_index];
cbp_index = decode012(&s->gb);
if (s->qscale <= 10) {
int map[3] = { 0, 2, 1 };
w->cbp_table_index = map[cbp_index];
} else if (s->qscale <= 20) {
int map[3] = { 1, 0, 2 };
w->cbp_table_index = map[cbp_index];
} else {
int map[3] = {2,1,0};
w->cbp_table_index = map[cbp_index];
}
if(w->mspel_bit) s->mspel= get_bits1(&s->gb);
else s->mspel= 0; //FIXME check
if (w->mspel_bit)
s->mspel = get_bits1(&s->gb);
else
s->mspel = 0; // FIXME check
if(w->abt_flag){
w->per_mb_abt= get_bits1(&s->gb)^1;
if(!w->per_mb_abt){
w->abt_type= decode012(&s->gb);
}
if (w->abt_flag) {
w->per_mb_abt = get_bits1(&s->gb) ^ 1;
if (!w->per_mb_abt)
w->abt_type = decode012(&s->gb);
}
if(w->per_mb_rl_bit) s->per_mb_rl_table= get_bits1(&s->gb);
else s->per_mb_rl_table= 0;
if (w->per_mb_rl_bit)
s->per_mb_rl_table = get_bits1(&s->gb);
else
s->per_mb_rl_table = 0;
if(!s->per_mb_rl_table){
s->rl_table_index = decode012(&s->gb);
if (!s->per_mb_rl_table) {
s->rl_table_index = decode012(&s->gb);
s->rl_chroma_table_index = s->rl_table_index;
}
s->dc_table_index = get_bits1(&s->gb);
s->mv_table_index = get_bits1(&s->gb);
s->inter_intra_pred= 0;//(s->width*s->height < 320*240 && s->bit_rate<=II_BITRATE);
s->no_rounding ^= 1;
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
av_log(s->avctx, AV_LOG_DEBUG, "rl:%d rlc:%d dc:%d mv:%d mbrl:%d qp:%d mspel:%d per_mb_abt:%d abt_type:%d cbp:%d ii:%d\n",
s->rl_table_index,
s->rl_chroma_table_index,
s->dc_table_index,
s->mv_table_index,
s->per_mb_rl_table,
s->qscale,
s->mspel,
w->per_mb_abt,
w->abt_type,
w->cbp_table_index,
s->inter_intra_pred);
s->dc_table_index = get_bits1(&s->gb);
s->mv_table_index = get_bits1(&s->gb);
s->inter_intra_pred = 0; // (s->width * s->height < 320 * 240 && s->bit_rate <= II_BITRATE);
s->no_rounding ^= 1;
if (s->avctx->debug & FF_DEBUG_PICT_INFO) {
av_log(s->avctx, AV_LOG_DEBUG,
"rl:%d rlc:%d dc:%d mv:%d mbrl:%d qp:%d mspel:%d "
"per_mb_abt:%d abt_type:%d cbp:%d ii:%d\n",
s->rl_table_index, s->rl_chroma_table_index,
s->dc_table_index, s->mv_table_index,
s->per_mb_rl_table, s->qscale, s->mspel,
w->per_mb_abt, w->abt_type, w->cbp_table_index,
s->inter_intra_pred);
}
}
s->esc3_level_length= 0;
s->esc3_run_length= 0;
s->picture_number++; //FIXME ?
s->esc3_level_length = 0;
s->esc3_run_length = 0;
s->picture_number++; // FIXME ?
if(w->j_type){
ff_intrax8_decode_picture(&w->x8, 2*s->qscale, (s->qscale-1)|1 );
if (w->j_type) {
ff_intrax8_decode_picture(&w->x8, 2 * s->qscale, (s->qscale - 1) | 1);
return 1;
}
return 0;
}
static inline int wmv2_decode_motion(Wmv2Context *w, int *mx_ptr, int *my_ptr){
MpegEncContext * const s= &w->s;
static inline int wmv2_decode_motion(Wmv2Context *w, int *mx_ptr, int *my_ptr)
{
MpegEncContext *const s = &w->s;
int ret;
ret= ff_msmpeg4_decode_motion(s, mx_ptr, my_ptr);
ret = ff_msmpeg4_decode_motion(s, mx_ptr, my_ptr);
if(ret<0) return -1;
if (ret < 0)
return -1;
if((((*mx_ptr)|(*my_ptr)) & 1) && s->mspel)
w->hshift= get_bits1(&s->gb);
if ((((*mx_ptr) | (*my_ptr)) & 1) && s->mspel)
w->hshift = get_bits1(&s->gb);
else
w->hshift= 0;
w->hshift = 0;
return 0;
}
static int16_t *wmv2_pred_motion(Wmv2Context *w, int *px, int *py){
MpegEncContext * const s= &w->s;
static int16_t *wmv2_pred_motion(Wmv2Context *w, int *px, int *py)
{
MpegEncContext *const s = &w->s;
int xy, wrap, diff, type;
int16_t *A, *B, *C, *mot_val;
wrap = s->b8_stride;
xy = s->block_index[0];
wrap = s->b8_stride;
xy = s->block_index[0];
mot_val = s->current_picture.motion_val[0][xy];
A = s->current_picture.motion_val[0][xy - 1];
B = s->current_picture.motion_val[0][xy - wrap];
C = s->current_picture.motion_val[0][xy + 2 - wrap];
A = s->current_picture.motion_val[0][xy - 1];
B = s->current_picture.motion_val[0][xy - wrap];
C = s->current_picture.motion_val[0][xy + 2 - wrap];
if(s->mb_x && !s->first_slice_line && !s->mspel && w->top_left_mv_flag)
diff= FFMAX(FFABS(A[0] - B[0]), FFABS(A[1] - B[1]));
if (s->mb_x && !s->first_slice_line && !s->mspel && w->top_left_mv_flag)
diff = FFMAX(FFABS(A[0] - B[0]), FFABS(A[1] - B[1]));
else
diff=0;
diff = 0;
if(diff >= 8)
type= get_bits1(&s->gb);
if (diff >= 8)
type = get_bits1(&s->gb);
else
type= 2;
if(type == 0){
*px= A[0];
*py= A[1];
}else if(type == 1){
*px= B[0];
*py= B[1];
}else{
type = 2;
if (type == 0) {
*px = A[0];
*py = A[1];
} else if (type == 1) {
*px = B[0];
*py = B[1];
} else {
/* special case for first (slice) line */
if (s->first_slice_line) {
*px = A[0];
......@@ -291,70 +297,72 @@ static int16_t *wmv2_pred_motion(Wmv2Context *w, int *px, int *py){
return mot_val;
}
static inline int wmv2_decode_inter_block(Wmv2Context *w, int16_t *block, int n, int cbp){
MpegEncContext * const s= &w->s;
static const int sub_cbp_table[3]= {2,3,1};
static inline int wmv2_decode_inter_block(Wmv2Context *w, int16_t *block,
int n, int cbp)
{
MpegEncContext *const s = &w->s;
static const int sub_cbp_table[3] = { 2, 3, 1 };
int sub_cbp;
if(!cbp){
if (!cbp) {
s->block_last_index[n] = -1;
return 0;
}
if(w->per_block_abt)
w->abt_type= decode012(&s->gb);
w->abt_type_table[n]= w->abt_type;
if (w->per_block_abt)
w->abt_type = decode012(&s->gb);
w->abt_type_table[n] = w->abt_type;
if(w->abt_type){
// const uint8_t *scantable= w->abt_scantable[w->abt_type-1].permutated;
const uint8_t *scantable= w->abt_scantable[w->abt_type-1].scantable;
// const uint8_t *scantable= w->abt_type-1 ? w->abt_scantable[1].permutated : w->abt_scantable[0].scantable;
if (w->abt_type) {
// const uint8_t *scantable = w->abt_scantable[w->abt_type - 1].permutated;
const uint8_t *scantable = w->abt_scantable[w->abt_type - 1].scantable;
// const uint8_t *scantable = w->abt_type - 1 ? w->abt_scantable[1].permutated : w->abt_scantable[0].scantable;
sub_cbp= sub_cbp_table[ decode012(&s->gb) ];
sub_cbp = sub_cbp_table[decode012(&s->gb)];
if(sub_cbp&1){
if (sub_cbp & 1)
if (ff_msmpeg4_decode_block(s, block, n, 1, scantable) < 0)
return -1;
}
if(sub_cbp&2){
if (sub_cbp & 2)
if (ff_msmpeg4_decode_block(s, w->abt_block2[n], n, 1, scantable) < 0)
return -1;
}
s->block_last_index[n] = 63;
return 0;
}else{
return ff_msmpeg4_decode_block(s, block, n, 1, s->inter_scantable.permutated);
} else {
return ff_msmpeg4_decode_block(s, block, n, 1,
s->inter_scantable.permutated);
}
}
int ff_wmv2_decode_mb(MpegEncContext *s, int16_t block[6][64])
{
Wmv2Context * const w= (Wmv2Context*)s;
Wmv2Context *const w = (Wmv2Context *) s;
int cbp, code, i;
uint8_t *coded_val;
if(w->j_type) return 0;
if (w->j_type)
return 0;
if (s->pict_type == AV_PICTURE_TYPE_P) {
if (IS_SKIP(s->current_picture.mb_type[s->mb_y * s->mb_stride + s->mb_x])) {
/* skip mb */
s->mb_intra = 0;
for(i=0;i<6;i++)
for (i = 0; i < 6; i++)
s->block_last_index[i] = -1;
s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16;
s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16;
s->mv[0][0][0] = 0;
s->mv[0][0][1] = 0;
s->mb_skipped = 1;
w->hshift=0;
s->mb_skipped = 1;
w->hshift = 0;
return 0;
}
code = get_vlc2(&s->gb, ff_mb_non_intra_vlc[w->cbp_table_index].table, MB_NON_INTRA_VLC_BITS, 3);
code = get_vlc2(&s->gb, ff_mb_non_intra_vlc[w->cbp_table_index].table,
MB_NON_INTRA_VLC_BITS, 3);
if (code < 0)
return -1;
s->mb_intra = (~code & 0x40) >> 6;
......@@ -363,17 +371,18 @@ int ff_wmv2_decode_mb(MpegEncContext *s, int16_t block[6][64])
} else {
s->mb_intra = 1;
code = get_vlc2(&s->gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2);
if (code < 0){
av_log(s->avctx, AV_LOG_ERROR, "II-cbp illegal at %d %d\n", s->mb_x, s->mb_y);
if (code < 0) {
av_log(s->avctx, AV_LOG_ERROR,
"II-cbp illegal at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
/* predict coded block pattern */
cbp = 0;
for(i=0;i<6;i++) {
for (i = 0; i < 6; i++) {
int val = ((code >> (5 - i)) & 1);
if (i < 4) {
int pred = ff_msmpeg4_coded_block_pred(s, i, &coded_val);
val = val ^ pred;
int pred = ff_msmpeg4_coded_block_pred(s, i, &coded_val);
val = val ^ pred;
*coded_val = val;
}
cbp |= val << (5 - i);
......@@ -384,58 +393,61 @@ int ff_wmv2_decode_mb(MpegEncContext *s, int16_t block[6][64])
int mx, my;
wmv2_pred_motion(w, &mx, &my);
if(cbp){
if (cbp) {
s->bdsp.clear_blocks(s->block[0]);
if(s->per_mb_rl_table){
s->rl_table_index = decode012(&s->gb);
if (s->per_mb_rl_table) {
s->rl_table_index = decode012(&s->gb);
s->rl_chroma_table_index = s->rl_table_index;
}
if(w->abt_flag && w->per_mb_abt){
w->per_block_abt= get_bits1(&s->gb);
if(!w->per_block_abt)
w->abt_type= decode012(&s->gb);
}else
w->per_block_abt=0;
if (w->abt_flag && w->per_mb_abt) {
w->per_block_abt = get_bits1(&s->gb);
if (!w->per_block_abt)
w->abt_type = decode012(&s->gb);
} else
w->per_block_abt = 0;
}
if (wmv2_decode_motion(w, &mx, &my) < 0)
return -1;
s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16;
s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16;
s->mv[0][0][0] = mx;
s->mv[0][0][1] = my;
for (i = 0; i < 6; i++) {
if (wmv2_decode_inter_block(w, block[i], i, (cbp >> (5 - i)) & 1) < 0)
{
av_log(s->avctx, AV_LOG_ERROR, "\nerror while decoding inter block: %d x %d (%d)\n", s->mb_x, s->mb_y, i);
if (wmv2_decode_inter_block(w, block[i], i, (cbp >> (5 - i)) & 1) < 0) {
av_log(s->avctx, AV_LOG_ERROR,
"\nerror while decoding inter block: %d x %d (%d)\n",
s->mb_x, s->mb_y, i);
return -1;
}
}
} else {
if (s->pict_type==AV_PICTURE_TYPE_P)
if (s->pict_type == AV_PICTURE_TYPE_P)
av_dlog(s->avctx, "%d%d ", s->inter_intra_pred, cbp);
av_dlog(s->avctx, "I at %d %d %d %06X\n", s->mb_x, s->mb_y,
((cbp & 3) ? 1 : 0) +((cbp & 0x3C)? 2 : 0),
((cbp & 3) ? 1 : 0) + ((cbp & 0x3C) ? 2 : 0),
show_bits(&s->gb, 24));
s->ac_pred = get_bits1(&s->gb);
if(s->inter_intra_pred){
s->h263_aic_dir= get_vlc2(&s->gb, ff_inter_intra_vlc.table, INTER_INTRA_VLC_BITS, 1);
if (s->inter_intra_pred) {
s->h263_aic_dir = get_vlc2(&s->gb, ff_inter_intra_vlc.table,
INTER_INTRA_VLC_BITS, 1);
av_dlog(s->avctx, "%d%d %d %d/",
s->ac_pred, s->h263_aic_dir, s->mb_x, s->mb_y);
}
if(s->per_mb_rl_table && cbp){
s->rl_table_index = decode012(&s->gb);
if (s->per_mb_rl_table && cbp) {
s->rl_table_index = decode012(&s->gb);
s->rl_chroma_table_index = s->rl_table_index;
}
s->bdsp.clear_blocks(s->block[0]);
for (i = 0; i < 6; i++) {
if (ff_msmpeg4_decode_block(s, block[i], i, (cbp >> (5 - i)) & 1, NULL) < 0)
{
av_log(s->avctx, AV_LOG_ERROR, "\nerror while decoding intra block: %d x %d (%d)\n", s->mb_x, s->mb_y, i);
if (ff_msmpeg4_decode_block(s, block[i], i, (cbp >> (5 - i)) & 1, NULL) < 0) {
av_log(s->avctx, AV_LOG_ERROR,
"\nerror while decoding intra block: %d x %d (%d)\n",
s->mb_x, s->mb_y, i);
return -1;
}
}
......@@ -444,15 +456,16 @@ int ff_wmv2_decode_mb(MpegEncContext *s, int16_t block[6][64])
return 0;
}
static av_cold int wmv2_decode_init(AVCodecContext *avctx){
Wmv2Context * const w= avctx->priv_data;
static av_cold int wmv2_decode_init(AVCodecContext *avctx)
{
Wmv2Context *const w = avctx->priv_data;
if(ff_msmpeg4_decode_init(avctx) < 0)
if (ff_msmpeg4_decode_init(avctx) < 0)
return -1;
ff_wmv2_common_init(w);
ff_intrax8_common_init(&w->x8,&w->s);
ff_intrax8_common_init(&w->x8, &w->s);
return 0;
}
......@@ -475,8 +488,6 @@ AVCodec ff_wmv2_decoder = {
.close = wmv2_decode_end,
.decode = ff_h263_decode_frame,
.capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
.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 },
};
libavcodec/wmv2enc.c
View file @ eda7571e
......@@ -19,30 +19,31 @@
*/
#include "avcodec.h"
#include "h263.h"
#include "mpegvideo.h"
#include "msmpeg4.h"
#include "msmpeg4data.h"
#include "h263.h"
#include "wmv2.h"
static int encode_ext_header(Wmv2Context *w){
MpegEncContext * const s= &w->s;
static int encode_ext_header(Wmv2Context *w)
{
MpegEncContext *const s = &w->s;
PutBitContext pb;
int code;
init_put_bits(&pb, s->avctx->extradata, s->avctx->extradata_size);
put_bits(&pb, 5, s->avctx->time_base.den / s->avctx->time_base.num); //yes 29.97 -> 29
put_bits(&pb, 11, FFMIN(s->bit_rate/1024, 2047));
put_bits(&pb, 5, s->avctx->time_base.den / s->avctx->time_base.num); // yes 29.97 -> 29
put_bits(&pb, 11, FFMIN(s->bit_rate / 1024, 2047));
put_bits(&pb, 1, w->mspel_bit=1);
put_bits(&pb, 1, w->mspel_bit = 1);
put_bits(&pb, 1, s->loop_filter);
put_bits(&pb, 1, w->abt_flag=1);
put_bits(&pb, 1, w->j_type_bit=1);
put_bits(&pb, 1, w->top_left_mv_flag=0);
put_bits(&pb, 1, w->per_mb_rl_bit=1);
put_bits(&pb, 3, code=1);
put_bits(&pb, 1, w->abt_flag = 1);
put_bits(&pb, 1, w->j_type_bit = 1);
put_bits(&pb, 1, w->top_left_mv_flag = 0);
put_bits(&pb, 1, w->per_mb_rl_bit = 1);
put_bits(&pb, 3, code = 1);
flush_put_bits(&pb);
......@@ -51,94 +52,97 @@ static int encode_ext_header(Wmv2Context *w){
return 0;
}
static av_cold int wmv2_encode_init(AVCodecContext *avctx){
Wmv2Context * const w= avctx->priv_data;
static av_cold int wmv2_encode_init(AVCodecContext *avctx)
{
Wmv2Context *const w = avctx->priv_data;
if (ff_mpv_encode_init(avctx) < 0)
return -1;
ff_wmv2_common_init(w);
avctx->extradata_size= 4;
avctx->extradata= av_mallocz(avctx->extradata_size + 10);
avctx->extradata_size = 4;
avctx->extradata = av_mallocz(avctx->extradata_size + 10);
encode_ext_header(w);
return 0;
}
int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number)
int ff_wmv2_encode_picture_header(MpegEncContext *s, int picture_number)
{
Wmv2Context * const w= (Wmv2Context*)s;
Wmv2Context *const w = (Wmv2Context *) s;
put_bits(&s->pb, 1, s->pict_type - 1);
if(s->pict_type == AV_PICTURE_TYPE_I){
if (s->pict_type == AV_PICTURE_TYPE_I)
put_bits(&s->pb, 7, 0);
}
put_bits(&s->pb, 5, s->qscale);
s->dc_table_index = 1;
s->mv_table_index = 1; /* only if P frame */
s->dc_table_index = 1;
s->mv_table_index = 1; /* only if P frame */
s->per_mb_rl_table = 0;
s->mspel= 0;
w->per_mb_abt=0;
w->abt_type=0;
w->j_type=0;
s->mspel = 0;
w->per_mb_abt = 0;
w->abt_type = 0;
w->j_type = 0;
assert(s->flipflop_rounding);
if (s->pict_type == AV_PICTURE_TYPE_I) {
assert(s->no_rounding==1);
if(w->j_type_bit) put_bits(&s->pb, 1, w->j_type);
assert(s->no_rounding == 1);
if (w->j_type_bit)
put_bits(&s->pb, 1, w->j_type);
if(w->per_mb_rl_bit) put_bits(&s->pb, 1, s->per_mb_rl_table);
if (w->per_mb_rl_bit)
put_bits(&s->pb, 1, s->per_mb_rl_table);
if(!s->per_mb_rl_table){
if (!s->per_mb_rl_table) {
ff_msmpeg4_code012(&s->pb, s->rl_chroma_table_index);
ff_msmpeg4_code012(&s->pb, s->rl_table_index);
}
put_bits(&s->pb, 1, s->dc_table_index);
s->inter_intra_pred= 0;
}else{
s->inter_intra_pred = 0;
} else {
int cbp_index;
put_bits(&s->pb, 2, SKIP_TYPE_NONE);
ff_msmpeg4_code012(&s->pb, cbp_index=0);
if(s->qscale <= 10){
int map[3]= {0,2,1};
w->cbp_table_index= map[cbp_index];
}else if(s->qscale <= 20){
int map[3]= {1,0,2};
w->cbp_table_index= map[cbp_index];
}else{
int map[3]= {2,1,0};
w->cbp_table_index= map[cbp_index];
ff_msmpeg4_code012(&s->pb, cbp_index = 0);
if (s->qscale <= 10) {
int map[3] = { 0, 2, 1 };
w->cbp_table_index = map[cbp_index];
} else if (s->qscale <= 20) {
int map[3] = { 1, 0, 2 };
w->cbp_table_index = map[cbp_index];
} else {
int map[3] = { 2, 1, 0 };
w->cbp_table_index = map[cbp_index];
}
if(w->mspel_bit) put_bits(&s->pb, 1, s->mspel);
if (w->mspel_bit)
put_bits(&s->pb, 1, s->mspel);
if(w->abt_flag){
put_bits(&s->pb, 1, w->per_mb_abt^1);
if(!w->per_mb_abt){
if (w->abt_flag) {
put_bits(&s->pb, 1, w->per_mb_abt ^ 1);
if (!w->per_mb_abt)
ff_msmpeg4_code012(&s->pb, w->abt_type);
}
}
if(w->per_mb_rl_bit) put_bits(&s->pb, 1, s->per_mb_rl_table);
if (w->per_mb_rl_bit)
put_bits(&s->pb, 1, s->per_mb_rl_table);
if(!s->per_mb_rl_table){
if (!s->per_mb_rl_table) {
ff_msmpeg4_code012(&s->pb, s->rl_table_index);
s->rl_chroma_table_index = s->rl_table_index;
}
put_bits(&s->pb, 1, s->dc_table_index);
put_bits(&s->pb, 1, s->mv_table_index);
s->inter_intra_pred= 0;//(s->width*s->height < 320*240 && s->bit_rate<=II_BITRATE);
s->inter_intra_pred = 0; // (s->width * s->height < 320 * 240 && s->bit_rate <= II_BITRATE);
}
s->esc3_level_length= 0;
s->esc3_run_length= 0;
s->esc3_level_length = 0;
s->esc3_run_length = 0;
return 0;
}
......@@ -146,11 +150,10 @@ int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number)
/* Nearly identical to wmv1 but that is just because we do not use the
* useless M$ crap features. It is duplicated here in case someone wants
* to add support for these crap features. */
void ff_wmv2_encode_mb(MpegEncContext * s,
int16_t block[6][64],
void ff_wmv2_encode_mb(MpegEncContext *s, int16_t block[6][64],
int motion_x, int motion_y)
{
Wmv2Context * const w= (Wmv2Context*)s;
Wmv2Context *const w = (Wmv2Context *) s;
int cbp, coded_cbp, i;
int pred_x, pred_y;
uint8_t *coded_block;
......@@ -160,10 +163,9 @@ void ff_wmv2_encode_mb(MpegEncContext * s,
if (!s->mb_intra) {
/* compute cbp */
cbp = 0;
for (i = 0; i < 6; i++) {
for (i = 0; i < 6; i++)
if (s->block_last_index[i] >= 0)
cbp |= 1 << (5 - i);
}
put_bits(&s->pb,
ff_wmv2_inter_table[w->cbp_table_index][cbp + 64][1],
......@@ -172,42 +174,43 @@ void ff_wmv2_encode_mb(MpegEncContext * s,
/* motion vector */
ff_h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
ff_msmpeg4_encode_motion(s, motion_x - pred_x,
motion_y - pred_y);
motion_y - pred_y);
} else {
/* compute cbp */
cbp = 0;
cbp = 0;
coded_cbp = 0;
for (i = 0; i < 6; i++) {
int val, pred;
val = (s->block_last_index[i] >= 1);
val = (s->block_last_index[i] >= 1);
cbp |= val << (5 - i);
if (i < 4) {
/* predict value for close blocks only for luma */
pred = ff_msmpeg4_coded_block_pred(s, i, &coded_block);
pred = ff_msmpeg4_coded_block_pred(s, i, &coded_block);
*coded_block = val;
val = val ^ pred;
val = val ^ pred;
}
coded_cbp |= val << (5 - i);
}
if (s->pict_type == AV_PICTURE_TYPE_I) {
if (s->pict_type == AV_PICTURE_TYPE_I)
put_bits(&s->pb,
ff_msmp4_mb_i_table[coded_cbp][1], ff_msmp4_mb_i_table[coded_cbp][0]);
} else {
ff_msmp4_mb_i_table[coded_cbp][1],
ff_msmp4_mb_i_table[coded_cbp][0]);
else
put_bits(&s->pb,
ff_wmv2_inter_table[w->cbp_table_index][cbp][1],
ff_wmv2_inter_table[w->cbp_table_index][cbp][0]);
}
put_bits(&s->pb, 1, 0); /* no AC prediction yet */
if(s->inter_intra_pred){
s->h263_aic_dir=0;
put_bits(&s->pb, ff_table_inter_intra[s->h263_aic_dir][1], ff_table_inter_intra[s->h263_aic_dir][0]);
if (s->inter_intra_pred) {
s->h263_aic_dir = 0;
put_bits(&s->pb,
ff_table_inter_intra[s->h263_aic_dir][1],
ff_table_inter_intra[s->h263_aic_dir][0]);
}
}
for (i = 0; i < 6; i++) {
for (i = 0; i < 6; i++)
ff_msmpeg4_encode_block(s, block[i], i);
}
}
AVCodec ff_wmv2_encoder = {
......@@ -219,5 +222,6 @@ AVCodec ff_wmv2_encoder = {
.init = wmv2_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 },
};
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