*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
* @file wmv2.c
* wmv2 codec.
*/
-
+
#include "simple_idct.h"
-
+
#define SKIP_TYPE_NONE 0
#define SKIP_TYPE_MPEG 1
#define SKIP_TYPE_ROW 2
int per_mb_rl_bit;
int skip_type;
int hshift;
-
+
ScanTable abt_scantable[2];
- DCTELEM abt_block2[6][64] __align8;
+ DECLARE_ALIGNED_8(DCTELEM, abt_block2[6][64]);
}Wmv2Context;
static void wmv2_common_init(Wmv2Context * w){
MpegEncContext * const s= &w->s;
-
+
ff_init_scantable(s->dsp.idct_permutation, &w->abt_scantable[0], wmv2_scantableA);
ff_init_scantable(s->dsp.idct_permutation, &w->abt_scantable[1], wmv2_scantableB);
}
+#ifdef CONFIG_ENCODERS
+
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->frame_rate / s->avctx->frame_rate_base); //yes 29.97 -> 29
+ 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->flag3=1);
put_bits(&pb, 1, w->abt_flag=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);
s->slice_height = s->mb_height / code;
-
+
return 0;
}
-#ifdef CONFIG_ENCODERS
static int wmv2_encode_init(AVCodecContext *avctx){
Wmv2Context * const w= avctx->priv_data;
-
+
if(MPV_encode_init(avctx) < 0)
return -1;
-
+
wmv2_common_init(w);
avctx->extradata_size= 4;
avctx->extradata= av_mallocz(avctx->extradata_size + 10);
encode_ext_header(w);
-
+
return 0;
}
+#if 0 /* unused, remove? */
static int wmv2_encode_end(AVCodecContext *avctx){
-
+
if(MPV_encode_end(avctx) < 0)
return -1;
-
+
avctx->extradata_size= 0;
av_freep(&avctx->extradata);
-
+
return 0;
}
+#endif
int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number)
{
if (s->pict_type == I_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(!s->per_mb_rl_table){
code012(&s->pb, s->rl_chroma_table_index);
code012(&s->pb, s->rl_table_index);
int cbp_index;
put_bits(&s->pb, 2, SKIP_TYPE_NONE);
-
+
code012(&s->pb, cbp_index=0);
if(s->qscale <= 10){
int map[3]= {0,2,1};
}
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->per_mb_rl_bit) put_bits(&s->pb, 1, s->per_mb_rl_table);
-
+
if(!s->per_mb_rl_table){
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= (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;
// nearly idential to wmv1 but thats just because we dont use the useless M$ crap features
// its duplicated here in case someone wants to add support for these carp features
-void ff_wmv2_encode_mb(MpegEncContext * s,
+void ff_wmv2_encode_mb(MpegEncContext * s,
DCTELEM block[6][64],
int motion_x, int motion_y)
{
uint8_t *coded_block;
handle_slices(s);
-
+
if (!s->mb_intra) {
- /* compute cbp */
- set_stat(ST_INTER_MB);
- cbp = 0;
- for (i = 0; i < 6; i++) {
- if (s->block_last_index[i] >= 0)
- cbp |= 1 << (5 - i);
- }
-
- put_bits(&s->pb,
- wmv2_inter_table[w->cbp_table_index][cbp + 64][1],
+ /* compute cbp */
+ cbp = 0;
+ for (i = 0; i < 6; i++) {
+ if (s->block_last_index[i] >= 0)
+ cbp |= 1 << (5 - i);
+ }
+
+ put_bits(&s->pb,
+ wmv2_inter_table[w->cbp_table_index][cbp + 64][1],
wmv2_inter_table[w->cbp_table_index][cbp + 64][0]);
/* motion vector */
- h263_pred_motion(s, 0, &pred_x, &pred_y);
- msmpeg4_encode_motion(s, motion_x - pred_x,
+ h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
+ msmpeg4_encode_motion(s, motion_x - pred_x,
motion_y - pred_y);
} else {
- /* compute cbp */
- cbp = 0;
+ /* compute cbp */
+ cbp = 0;
coded_cbp = 0;
- for (i = 0; i < 6; i++) {
+ for (i = 0; i < 6; i++) {
int val, pred;
val = (s->block_last_index[i] >= 1);
cbp |= val << (5 - i);
val = val ^ pred;
}
coded_cbp |= val << (5 - i);
- }
+ }
#if 0
if (coded_cbp)
printf("cbp=%x %x\n", cbp, coded_cbp);
#endif
if (s->pict_type == I_TYPE) {
- set_stat(ST_INTRA_MB);
- put_bits(&s->pb,
- table_mb_intra[coded_cbp][1], table_mb_intra[coded_cbp][0]);
+ put_bits(&s->pb,
+ ff_msmp4_mb_i_table[coded_cbp][1], ff_msmp4_mb_i_table[coded_cbp][0]);
} else {
- put_bits(&s->pb,
- wmv2_inter_table[w->cbp_table_index][cbp][1],
+ put_bits(&s->pb,
+ wmv2_inter_table[w->cbp_table_index][cbp][1],
wmv2_inter_table[w->cbp_table_index][cbp][0]);
}
- set_stat(ST_INTRA_MB);
- put_bits(&s->pb, 1, 0); /* no AC prediction yet */
+ put_bits(&s->pb, 1, 0); /* no AC prediction yet */
if(s->inter_intra_pred){
s->h263_aic_dir=0;
put_bits(&s->pb, table_inter_intra[s->h263_aic_dir][1], table_inter_intra[s->h263_aic_dir][0]);
int code;
if(s->avctx->extradata_size<4) return -1;
-
+
init_get_bits(&gb, s->avctx->extradata, s->avctx->extradata_size*8);
fps = get_bits(&gb, 5);
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, flag3:%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, w->flag3,
+ 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, flag3:%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, w->flag3,
code);
}
return 0;
s->pict_type = get_bits(&s->gb, 1) + 1;
if(s->pict_type == I_TYPE){
code = get_bits(&s->gb, 7);
- av_log(s->avctx, AV_LOG_ERROR, "I7:%X/\n", code);
+ av_log(s->avctx, AV_LOG_DEBUG, "I7:%X/\n", code);
}
- s->qscale = get_bits(&s->gb, 5);
+ s->chroma_qscale= s->qscale = get_bits(&s->gb, 5);
if(s->qscale < 0)
return -1;
-
+
return 0;
}
if (s->pict_type == I_TYPE) {
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->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,
+ 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);
}
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){
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);
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= (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->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,
+ 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,
}
s->esc3_level_length= 0;
s->esc3_run_length= 0;
-
+
s->picture_number++; //FIXME ?
// return wmv2_decode_j_picture(w); //FIXME
if(w->j_type){
- av_log(s->avctx, AV_LOG_ERROR, "J-type picture isnt supported\n");
+ av_log(s->avctx, AV_LOG_ERROR, "J-type picture is not supported\n");
return -1;
}
return 0;
}
-static void ff_wmv2_decode_init(MpegEncContext *s){
-}
-
static inline int wmv2_decode_motion(Wmv2Context *w, int *mx_ptr, int *my_ptr){
MpegEncContext * const s= &w->s;
int ret;
-
+
ret= msmpeg4_decode_motion(s, mx_ptr, my_ptr);
-
+
if(ret<0) return -1;
-
+
if((((*mx_ptr)|(*my_ptr)) & 1) && s->mspel)
w->hshift= get_bits1(&s->gb);
- else
+ else
w->hshift= 0;
//printf("%d %d ", *mx_ptr, *my_ptr);
-
+
return 0;
}
int xy, wrap, diff, type;
int16_t *A, *B, *C, *mot_val;
- wrap = s->block_wrap[0];
+ wrap = s->b8_stride;
xy = s->block_index[0];
- mot_val = s->motion_val[xy];
+ 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];
+
+ if(s->mb_x && !s->first_slice_line && !s->mspel && w->top_left_mv_flag)
+ diff= FFMAX(ABS(A[0] - B[0]), ABS(A[1] - B[1]));
+ else
+ diff=0;
- A = s->motion_val[xy - 1];
- B = s->motion_val[xy - wrap];
- C = s->motion_val[xy + 2 - wrap];
-
- diff= FFMAX(ABS(A[0] - B[0]), ABS(A[1] - B[1]));
-
- if(s->mb_x && !s->first_slice_line && !s->mspel && w->top_left_mv_flag && diff >= 8)
+ if(diff >= 8)
type= get_bits1(&s->gb);
else
type= 2;
-
+
if(type == 0){
*px= A[0];
*py= A[1];
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);
#if 0
if (msmpeg4_decode_block(s, block, n, 1, scantable) < 0)
return -1;
}
-
+
if(sub_cbp&2){
if (msmpeg4_decode_block(s, w->abt_block2[n], n, 1, scantable) < 0)
return -1;
static void wmv2_add_block(Wmv2Context *w, DCTELEM *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:
- if (s->block_last_index[n] >= 0) {
- s->dsp.idct_add (dst, stride, block1);
- }
+ s->dsp.idct_add (dst, stride, block1);
break;
case 1:
simple_idct84_add(dst , stride, block1);
default:
av_log(s->avctx, AV_LOG_ERROR, "internal error in WMV2 abt\n");
}
+ }
}
void ff_wmv2_add_mb(MpegEncContext *s, DCTELEM block1[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr){
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;
-
+
wmv2_add_block(w, block1[4], dest_cb , s->uvlinesize, 4);
wmv2_add_block(w, block1[5], dest_cr , s->uvlinesize, 5);
}
uint8_t *ptr;
int dxy, offset, mx, my, src_x, src_y, v_edge_pos, linesize, uvlinesize;
int emu=0;
-
+
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 = clip(src_x, -16, s->width);
if(s->flags&CODEC_FLAG_EMU_EDGE){
if(src_x<1 || src_y<1 || src_x + 17 >= s->h_edge_pos
|| src_y + h+1 >= v_edge_pos){
- ff_emulated_edge_mc(s->edge_emu_buffer, ptr - 1 - s->linesize, s->linesize, 19, 19,
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr - 1 - 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;
mx >>= 1;
my >>= 1;
}
-
+
src_x = s->mb_x * 8 + mx;
src_y = s->mb_y * 8 + my;
src_x = clip(src_x, -8, s->width >> 1);
offset = (src_y * uvlinesize) + src_x;
ptr = ref_picture[1] + offset;
if(emu){
- ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9,
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9,
src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer;
}
ptr = ref_picture[2] + offset;
if(emu){
- ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9,
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9,
src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer;
}
uint8_t *coded_val;
if(w->j_type) return 0;
-
+
if (s->pict_type == P_TYPE) {
if(IS_SKIP(s->current_picture.mb_type[s->mb_y * s->mb_stride + s->mb_x])){
/* skip mb */
s->mv_type = MV_TYPE_16X16;
s->mv[0][0][0] = 0;
s->mv[0][0][1] = 0;
- s->mb_skiped = 1;
+ s->mb_skipped = 1;
w->hshift=0;
return 0;
}
code = get_vlc2(&s->gb, 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;
-
+ s->mb_intra = (~code & 0x40) >> 6;
+
cbp = code & 0x3f;
} else {
s->mb_intra = 1;
- code = get_vlc2(&s->gb, mb_intra_vlc.table, MB_INTRA_VLC_BITS, 2);
+ 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);
return -1;
int mx, my;
//printf("P at %d %d\n", s->mb_x, s->mb_y);
wmv2_pred_motion(w, &mx, &my);
-
+
if(cbp){
+ s->dsp.clear_blocks(s->block[0]);
if(s->per_mb_rl_table){
s->rl_table_index = decode012(&s->gb);
s->rl_chroma_table_index = s->rl_table_index;
}else
w->per_block_abt=0;
}
-
+
if (wmv2_decode_motion(w, &mx, &my) < 0)
return -1;
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);
- return -1;
- }
- }
+ {
+ 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==P_TYPE)
// printf("%d%d ", s->inter_intra_pred, cbp);
s->rl_table_index = decode012(&s->gb);
s->rl_chroma_table_index = s->rl_table_index;
}
-
+
+ s->dsp.clear_blocks(s->block[0]);
for (i = 0; i < 6; i++) {
if (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;
- }
- }
+ {
+ 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;
+ }
+ }
}
return 0;
static int wmv2_decode_init(AVCodecContext *avctx){
Wmv2Context * const w= avctx->priv_data;
-
+
if(ff_h263_decode_init(avctx) < 0)
return -1;
-
+
wmv2_common_init(w);
-
+
return 0;
}