diff options
Diffstat (limited to 'libavcodec/h263.c')
| -rw-r--r-- | libavcodec/h263.c | 870 |
1 files changed, 435 insertions, 435 deletions
diff --git a/libavcodec/h263.c b/libavcodec/h263.c index e890ac0f4e..b7c5818cbc 100644 --- a/libavcodec/h263.c +++ b/libavcodec/h263.c @@ -20,7 +20,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * ac prediction encoding, b-frame support, error resilience, optimizations, - * qpel decoding, gmc decoding, interlaced decoding, + * qpel decoding, gmc decoding, interlaced decoding, * by Michael Niedermayer <michaelni@gmx.at> */ @@ -28,7 +28,7 @@ * @file h263.c * h263/mpeg4 codec. */ - + //#define DEBUG #include <limits.h> @@ -58,7 +58,7 @@ static void h263_encode_block(MpegEncContext * s, DCTELEM * block, int n); static void h263p_encode_umotion(MpegEncContext * s, int val); static inline void mpeg4_encode_block(MpegEncContext * s, DCTELEM * block, - int n, int dc, uint8_t *scan_table, + int n, int dc, uint8_t *scan_table, PutBitContext *dc_pb, PutBitContext *ac_pb); #endif @@ -69,7 +69,7 @@ static int h263_decode_block(MpegEncContext * s, DCTELEM * block, static inline int mpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr); static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block, int n, int coded, int intra, int rvlc); -static int mpeg4_get_block_length(MpegEncContext * s, DCTELEM * block, int n, int intra_dc, +static int mpeg4_get_block_length(MpegEncContext * s, DCTELEM * block, int n, int intra_dc, uint8_t *scan_table); static int h263_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr); #ifdef CONFIG_ENCODERS @@ -112,7 +112,7 @@ max run: 29/41 #if 0 //3IV1 is quite rare and it slows things down a tiny bit #define IS_3IV1 s->avctx->codec_tag == ff_get_fourcc("3IV1") -#else +#else #define IS_3IV1 0 #endif @@ -148,7 +148,7 @@ static void aspect_to_info(MpegEncContext * s, AVRational aspect){ return; } } - + s->aspect_ratio_info= FF_ASPECT_EXTENDED; } @@ -190,7 +190,7 @@ void ff_flv_encode_picture_header(MpegEncContext * s, int picture_number) put_bits(&s->pb, 1, 0); /* ExtraInformation */ if(s->h263_aic){ - s->y_dc_scale_table= + s->y_dc_scale_table= s->c_dc_scale_table= ff_aic_dc_scale_table; }else{ s->y_dc_scale_table= @@ -204,7 +204,7 @@ void h263_encode_picture_header(MpegEncContext * s, int picture_number) int best_clock_code=1; int best_divisor=60; int best_error= INT_MAX; - + if(s->h263_plus){ for(i=0; i<2; i++){ int div, error; @@ -236,7 +236,7 @@ void h263_encode_picture_header(MpegEncContext * s, int picture_number) put_bits(&s->pb, 1, 0); /* split screen off */ put_bits(&s->pb, 1, 0); /* camera off */ put_bits(&s->pb, 1, 0); /* freeze picture release off */ - + format = h263_get_picture_format(s->width, s->height); if (!s->h263_plus) { /* H.263v1 */ @@ -255,14 +255,14 @@ void h263_encode_picture_header(MpegEncContext * s, int picture_number) int ufep=1; /* H.263v2 */ /* H.263 Plus PTYPE */ - + put_bits(&s->pb, 3, 7); put_bits(&s->pb,3,ufep); /* Update Full Extended PTYPE */ if (format == 7) put_bits(&s->pb,3,6); /* Custom Source Format */ else put_bits(&s->pb, 3, format); - + put_bits(&s->pb,1, s->custom_pcf); put_bits(&s->pb,1, s->umvplus); /* Unrestricted Motion Vector */ put_bits(&s->pb,1,0); /* SAC: off */ @@ -276,18 +276,18 @@ void h263_encode_picture_header(MpegEncContext * s, int picture_number) put_bits(&s->pb,1,s->modified_quant); /* Modified Quantization: */ put_bits(&s->pb,1,1); /* "1" to prevent start code emulation */ put_bits(&s->pb,3,0); /* Reserved */ - + put_bits(&s->pb, 3, s->pict_type == P_TYPE); - + put_bits(&s->pb,1,0); /* Reference Picture Resampling: off */ put_bits(&s->pb,1,0); /* Reduced-Resolution Update: off */ put_bits(&s->pb,1,s->no_rounding); /* Rounding Type */ put_bits(&s->pb,2,0); /* Reserved */ put_bits(&s->pb,1,1); /* "1" to prevent start code emulation */ - + /* This should be here if PLUSPTYPE */ put_bits(&s->pb, 1, 0); /* Continuous Presence Multipoint mode: off */ - + if (format == 7) { /* Custom Picture Format (CPFMT) */ aspect_to_info(s, s->avctx->sample_aspect_ratio); @@ -308,7 +308,7 @@ void h263_encode_picture_header(MpegEncContext * s, int picture_number) } put_bits(&s->pb, 2, (temp_ref>>8)&3); } - + /* Unlimited Unrestricted Motion Vectors Indicator (UUI) */ if (s->umvplus) // put_bits(&s->pb,1,1); /* Limited according tables of Annex D */ @@ -324,7 +324,7 @@ void h263_encode_picture_header(MpegEncContext * s, int picture_number) if(s->h263_slice_structured){ put_bits(&s->pb, 1, 1); - + assert(s->mb_x == 0 && s->mb_y == 0); ff_h263_encode_mba(s); @@ -332,7 +332,7 @@ void h263_encode_picture_header(MpegEncContext * s, int picture_number) } if(s->h263_aic){ - s->y_dc_scale_table= + s->y_dc_scale_table= s->c_dc_scale_table= ff_aic_dc_scale_table; }else{ s->y_dc_scale_table= @@ -386,7 +386,7 @@ static inline int get_block_rate(MpegEncContext * s, DCTELEM block[64], int bloc last= j; } } - + return rate; } @@ -397,10 +397,10 @@ static inline int decide_ac_pred(MpegEncContext * s, DCTELEM block[6][64], int d int8_t * const qscale_table= s->current_picture.qscale_table; memcpy(zigzag_last_index, s->block_last_index, sizeof(int)*6); - + 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); ac_val = s->ac_val[0][0] + s->block_index[n] * 16; @@ -490,7 +490,7 @@ static inline void restore_ac_coeffs(MpegEncContext * s, DCTELEM block[6][64], i void ff_clean_h263_qscales(MpegEncContext *s){ int i; int8_t * const qscale_table= s->current_picture.qscale_table; - + for(i=1; i<s->mb_num; i++){ if(qscale_table[ s->mb_index2xy[i] ] - qscale_table[ s->mb_index2xy[i-1] ] >2) qscale_table[ s->mb_index2xy[i] ]= qscale_table[ s->mb_index2xy[i-1] ]+2; @@ -503,7 +503,7 @@ void ff_clean_h263_qscales(MpegEncContext *s){ if(s->codec_id != CODEC_ID_H263P){ 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_INTER4V)){ s->mb_type[mb_xy]&= ~CANDIDATE_MB_TYPE_INTER4V; s->mb_type[mb_xy]|= CANDIDATE_MB_TYPE_INTER; @@ -520,27 +520,27 @@ void ff_clean_mpeg4_qscales(MpegEncContext *s){ int8_t * const qscale_table= s->current_picture.qscale_table; ff_clean_h263_qscales(s); - + if(s->pict_type== B_TYPE){ int odd=0; /* ok, come on, this isn't funny anymore, there's more code for handling this mpeg4 mess than for the actual adaptive quantization */ - + for(i=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; - + 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; - } - + } + 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)){ @@ -563,9 +563,9 @@ int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){ uint16_t time_pp= s->pp_time; uint16_t time_pb= s->pb_time; int i; - + //FIXME avoid divides - + if(IS_8X8(colocated_mb_type)){ s->mv_type = MV_TYPE_8X8; for(i=0; i<4; i++){ @@ -574,7 +574,7 @@ int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){ s->mv[0][i][1] = s->next_picture.motion_val[0][xy][1]*time_pb/time_pp + my; s->mv[1][i][0] = mx ? s->mv[0][i][0] - s->next_picture.motion_val[0][xy][0] : s->next_picture.motion_val[0][xy][0]*(time_pb - time_pp)/time_pp; - s->mv[1][i][1] = my ? s->mv[0][i][1] - s->next_picture.motion_val[0][xy][1] + s->mv[1][i][1] = my ? s->mv[0][i][1] - s->next_picture.motion_val[0][xy][1] : s->next_picture.motion_val[0][xy][1]*(time_pb - time_pp)/time_pp; } return MB_TYPE_DIRECT2 | MB_TYPE_8x8 | MB_TYPE_L0L1; @@ -593,7 +593,7 @@ int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){ s->mv[0][i][1] = s->p_field_mv_table[i][0][mb_index][1]*time_pb/time_pp + my; s->mv[1][i][0] = mx ? s->mv[0][i][0] - s->p_field_mv_table[i][0][mb_index][0] : s->p_field_mv_table[i][0][mb_index][0]*(time_pb - time_pp)/time_pp; - s->mv[1][i][1] = my ? s->mv[0][i][1] - s->p_field_mv_table[i][0][mb_index][1] + s->mv[1][i][1] = my ? s->mv[0][i][1] - s->p_field_mv_table[i][0][mb_index][1] : s->p_field_mv_table[i][0][mb_index][1]*(time_pb - time_pp)/time_pp; } return MB_TYPE_DIRECT2 | MB_TYPE_16x8 | MB_TYPE_L0L1 | MB_TYPE_INTERLACED; @@ -602,7 +602,7 @@ int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){ s->mv[0][0][1] = s->mv[0][1][1] = s->mv[0][2][1] = s->mv[0][3][1] = s->next_picture.motion_val[0][xy][1]*time_pb/time_pp + my; s->mv[1][0][0] = s->mv[1][1][0] = s->mv[1][2][0] = s->mv[1][3][0] = mx ? s->mv[0][0][0] - s->next_picture.motion_val[0][xy][0] : s->next_picture.motion_val[0][xy][0]*(time_pb - time_pp)/time_pp; - s->mv[1][0][1] = s->mv[1][1][1] = s->mv[1][2][1] = s->mv[1][3][1] = my ? s->mv[0][0][1] - s->next_picture.motion_val[0][xy][1] + s->mv[1][0][1] = s->mv[1][1][1] = s->mv[1][2][1] = s->mv[1][3][1] = my ? s->mv[0][0][1] - s->next_picture.motion_val[0][xy][1] : s->next_picture.motion_val[0][xy][1]*(time_pb - time_pp)/time_pp; if((s->avctx->workaround_bugs & FF_BUG_DIRECT_BLOCKSIZE) || !s->quarter_sample) s->mv_type= MV_TYPE_16X16; @@ -617,8 +617,8 @@ void ff_h263_update_motion_val(MpegEncContext * s){ //FIXME a lot of that is only needed for !low_delay const int wrap = s->b8_stride; const int xy = s->block_index[0]; - - s->current_picture.mbskip_table[mb_xy]= s->mb_skipped; + + s->current_picture.mbskip_table[mb_xy]= s->mb_skipped; if(s->mv_type != MV_TYPE_8X8){ int motion_x, motion_y; @@ -655,7 +655,7 @@ void ff_h263_update_motion_val(MpegEncContext * s){ } if(s->encoding){ //FIXME encoding MUST be cleaned up - if (s->mv_type == MV_TYPE_8X8) + if (s->mv_type == MV_TYPE_8X8) s->current_picture.mb_type[mb_xy]= MB_TYPE_L0 | MB_TYPE_8x8; else if(s->mb_intra) s->current_picture.mb_type[mb_xy]= MB_TYPE_INTRA; @@ -685,7 +685,7 @@ static inline int h263_get_motion_length(MpegEncContext * s, int val, int f_code static inline void ff_h263_encode_motion_vector(MpegEncContext * s, int x, int y, int f_code){ if(s->flags2 & CODEC_FLAG2_NO_OUTPUT){ - skip_put_bits(&s->pb, + skip_put_bits(&s->pb, h263_get_motion_length(s, x, f_code) +h263_get_motion_length(s, y, f_code)); }else{ @@ -758,14 +758,14 @@ static inline int get_b_cbp(MpegEncContext * s, DCTELEM block[6][64], if(s->flags & CODEC_FLAG_CBP_RD){ int score=0; const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6); - + 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){ @@ -793,10 +793,10 @@ static inline int get_b_cbp(MpegEncContext * s, DCTELEM block[6][64], return cbp; } -static inline void mpeg4_encode_blocks(MpegEncContext * s, DCTELEM block[6][64], int intra_dc[6], +static inline void mpeg4_encode_blocks(MpegEncContext * s, DCTELEM 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++) { @@ -832,24 +832,24 @@ void mpeg4_encode_mb(MpegEncContext * s, PutBitContext * const dc_pb = s->data_partitioning && s->pict_type!=I_TYPE ? &s->pb2 : &s->pb; const int interleaved_stats= (s->flags&CODEC_FLAG_PASS1) && !s->data_partitioning ? 1 : 0; const int dquant_code[5]= {1,0,9,2,3}; - + // printf("**mb x=%d y=%d\n", s->mb_x, s->mb_y); if (!s->mb_intra) { int i, cbp; - + if(s->pict_type==B_TYPE){ static const int mb_type_table[8]= {-1, 2, 3, 1,-1,-1,-1, 0}; /* convert from mv_dir to type */ 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][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); @@ -857,9 +857,9 @@ void mpeg4_encode_mb(MpegEncContext * s, /* 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 & ... s->skip_count++; - s->mv[0][0][0]= - s->mv[0][0][1]= - s->mv[1][0][0]= + 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; @@ -867,13 +867,13 @@ void mpeg4_encode_mb(MpegEncContext * s, return; } - + cbp= get_b_cbp(s, block, motion_x, motion_y, mb_type); - + if ((cbp | motion_x | motion_y | mb_type) ==0) { /* direct MB with MV={0,0} */ assert(s->dquant==0); - + put_bits(&s->pb, 1, 1); /* mb not coded modb1=1 */ if(interleaved_stats){ @@ -883,12 +883,12 @@ void mpeg4_encode_mb(MpegEncContext * s, s->skip_count++; return; } - + 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); @@ -896,7 +896,7 @@ void mpeg4_encode_mb(MpegEncContext * s, put_bits(&s->pb, 1, 0); }else s->qscale -= s->dquant; - + if(!s->progressive_sequence){ if(cbp) put_bits(&s->pb, 1, s->interlaced_dct); @@ -972,9 +972,9 @@ void mpeg4_encode_mb(MpegEncContext * s, }else{ /* s->pict_type==B_TYPE */ cbp= get_p_cbp(s, block, motion_x, motion_y); - + if ((cbp | motion_x | motion_y | s->dquant) == 0 && s->mv_type==MV_TYPE_16X16) { - /* check if the B frames can skip it too, as we must skip it if we skip here + /* 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; @@ -988,7 +988,7 @@ void mpeg4_encode_mb(MpegEncContext * s, offset= x + y*s->linesize; p_pic= s->new_picture.data[0] + offset; - + s->mb_skipped=1; for(i=0; i<s->max_b_frames; i++){ uint8_t *b_pic; @@ -1005,7 +1005,7 @@ void mpeg4_encode_mb(MpegEncContext * s, } } }else - s->mb_skipped=1; + s->mb_skipped=1; if(s->mb_skipped==1){ /* skip macroblock */ @@ -1016,7 +1016,7 @@ void mpeg4_encode_mb(MpegEncContext * s, s->last_bits++; } s->skip_count++; - + return; } } @@ -1040,14 +1040,14 @@ void mpeg4_encode_mb(MpegEncContext * s, put_bits(pb2, 1, s->interlaced_dct); put_bits(pb2, 1, 0); } - + if(interleaved_stats){ s->misc_bits+= get_bits_diff(s); } /* motion vectors: 16x16 mode */ 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){ @@ -1064,7 +1064,7 @@ void mpeg4_encode_mb(MpegEncContext * s, if(cbp) put_bits(pb2, 1, s->interlaced_dct); put_bits(pb2, 1, 1); - + if(interleaved_stats){ s->misc_bits+= get_bits_diff(s); } @@ -1072,10 +1072,10 @@ void mpeg4_encode_mb(MpegEncContext * s, /* motion vectors: 16x8 interlaced mode */ h263_pred_motion(s, 0, 0, &pred_x, &pred_y); 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, @@ -1091,7 +1091,7 @@ void mpeg4_encode_mb(MpegEncContext * s, if(cbp) put_bits(pb2, 1, s->interlaced_dct); } - + if(interleaved_stats){ s->misc_bits+= get_bits_diff(s); } @@ -1105,7 +1105,7 @@ void mpeg4_encode_mb(MpegEncContext * s, } } - if(interleaved_stats){ + if(interleaved_stats){ s->mv_bits+= get_bits_diff(s); } @@ -1118,7 +1118,7 @@ void mpeg4_encode_mb(MpegEncContext * s, } } else { int cbp; - int dc_diff[6]; //dc values with the dc prediction subtracted + 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]; @@ -1194,7 +1194,7 @@ void h263_encode_mb(MpegEncContext * s, uint16_t *dc_ptr[6]; const int interleaved_stats= (s->flags&CODEC_FLAG_PASS1); const int dquant_code[5]= {1,0,9,2,3}; - + //printf("**mb x=%d y=%d\n", s->mb_x, s->mb_y); if (!s->mb_intra) { /* compute cbp */ @@ -1212,7 +1212,7 @@ void h263_encode_mb(MpegEncContext * s, return; } put_bits(&s->pb, 1, 0); /* mb coded */ - + cbpc = cbp & 3; cbpy = cbp >> 2; if(s->alt_inter_vlc==0 || cbpc!=3) @@ -1226,15 +1226,15 @@ void h263_encode_mb(MpegEncContext * s, put_bits(&s->pb, cbpy_tab[cbpy][1], cbpy_tab[cbpy][0]); if(s->dquant) put_bits(&s->pb, 2, dquant_code[s->dquant+2]); - + if(interleaved_stats){ s->misc_bits+= get_bits_diff(s); } /* motion vectors: 16x16 mode */ h263_pred_motion(s, 0, 0, &pred_x, &pred_y); - - if (!s->umvplus) { + + if (!s->umvplus) { ff_h263_encode_motion_vector(s, motion_x - pred_x, motion_y - pred_y, 1); } @@ -1263,7 +1263,7 @@ void h263_encode_mb(MpegEncContext * s, motion_x= s->current_picture.motion_val[0][ s->block_index[i] ][0]; motion_y= s->current_picture.motion_val[0][ s->block_index[i] ][1]; - if (!s->umvplus) { + if (!s->umvplus) { ff_h263_encode_motion_vector(s, motion_x - pred_x, motion_y - pred_y, 1); } @@ -1282,14 +1282,14 @@ void h263_encode_mb(MpegEncContext * s, } } else { assert(s->mb_intra); - + cbp = 0; if (s->h263_aic) { /* Predict DC */ for(i=0; i<6; i++) { int16_t level = block[i][0]; int scale; - + if(i<4) scale= s->y_dc_scale; else scale= s->c_dc_scale; @@ -1300,7 +1300,7 @@ void h263_encode_mb(MpegEncContext * s, level = (level + (scale>>1))/scale; else level = (level - (scale>>1))/scale; - + /* AIC can change CBP */ if (level == 0 && s->block_last_index[i] == 0) s->block_last_index[i] = -1; @@ -1313,7 +1313,7 @@ void h263_encode_mb(MpegEncContext * s, } block[i][0] = level; - /* Reconstruction */ + /* Reconstruction */ rec_intradc[i] = scale*level + pred_dc; /* Oddify */ rec_intradc[i] |= 1; @@ -1324,7 +1324,7 @@ void h263_encode_mb(MpegEncContext * s, rec_intradc[i] = 0; else if (rec_intradc[i] > 2047) rec_intradc[i] = 2047; - + /* Update AC/DC tables */ *dc_ptr[i] = rec_intradc[i]; if (s->block_last_index[i] >= 0) @@ -1368,11 +1368,11 @@ void h263_encode_mb(MpegEncContext * s, for(i=0; i<6; i++) { /* encode each block */ h263_encode_block(s, block[i], i); - + /* Update INTRADC for decoding */ if (s->h263_aic && s->mb_intra) { block[i][0] = rec_intradc[i]; - + } } @@ -1396,7 +1396,7 @@ void ff_h263_loop_filter(MpegEncContext * s){ uint8_t *dest_y = s->dest[0]; uint8_t *dest_cb= s->dest[1]; uint8_t *dest_cr= s->dest[2]; - + // if(s->pict_type==B_TYPE && !s->readable) return; /* @@ -1415,32 +1415,32 @@ void ff_h263_loop_filter(MpegEncContext * s){ if(IS_SKIP(s->current_picture.mb_type[xy-s->mb_stride])) qp_t=0; - else + else qp_t= s->current_picture.qscale_table[xy-s->mb_stride]; - if(qp_c) + if(qp_c) qp_tc= qp_c; else qp_tc= qp_t; - + if(qp_tc){ const int chroma_qp= s->chroma_qscale_table[qp_tc]; s->dsp.h263_v_loop_filter(dest_y , linesize, qp_tc); s->dsp.h263_v_loop_filter(dest_y+8, linesize, qp_tc); - + s->dsp.h263_v_loop_filter(dest_cb , uvlinesize, chroma_qp); s->dsp.h263_v_loop_filter(dest_cr , uvlinesize, chroma_qp); } - + if(qp_t) s->dsp.h263_h_loop_filter(dest_y-8*linesize+8 , linesize, qp_t); - + if(s->mb_x){ if(qp_t || IS_SKIP(s->current_picture.mb_type[xy-1-s->mb_stride])) qp_dt= qp_t; else qp_dt= s->current_picture.qscale_table[xy-1-s->mb_stride]; - + if(qp_dt){ const int chroma_qp= s->chroma_qscale_table[qp_dt]; s->dsp.h263_h_loop_filter(dest_y -8*linesize , linesize, qp_dt); @@ -1455,14 +1455,14 @@ void ff_h263_loop_filter(MpegEncContext * s){ if(s->mb_y + 1 == s->mb_height) s->dsp.h263_h_loop_filter(dest_y+8*linesize+8, linesize, qp_c); } - + if(s->mb_x){ int qp_lc; if(qp_c || IS_SKIP(s->current_picture.mb_type[xy-1])) qp_lc= qp_c; else qp_lc= s->current_picture.qscale_table[xy-1]; - + if(qp_lc){ s->dsp.h263_h_loop_filter(dest_y, linesize, qp_lc); if(s->mb_y + 1 == s->mb_height){ @@ -1497,11 +1497,11 @@ static int h263_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr) scale = s->c_dc_scale; } /* B C - * A X + * A X */ a = dc_val[(x - 1) + (y) * wrap]; c = dc_val[(x) + (y - 1) * wrap]; - + /* No prediction outside GOB boundary */ if(s->first_slice_line && n!=3){ if(n!=2) c= 1024; @@ -1515,7 +1515,7 @@ static int h263_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr) pred_dc = a; else pred_dc = c; - + /* we assume pred is positive */ //pred_dc = (pred_dc + (scale >> 1)) / scale; *dc_val_ptr = &dc_val[x + y * wrap]; @@ -1543,22 +1543,22 @@ static void h263_pred_acdc(MpegEncContext * s, DCTELEM *block, int n) ac_val = s->ac_val[n - 4 + 1][0]; scale = s->c_dc_scale; } - + ac_val += ((y) * wrap + (x)) * 16; ac_val1 = ac_val; - + /* B C - * A X + * A X */ a = dc_val[(x - 1) + (y) * wrap]; c = dc_val[(x) + (y - 1) * wrap]; - + /* No prediction outside GOB boundary */ if(s->first_slice_line && n!=3){ if(n!=2) c= 1024; if(n!=1 && s->mb_x == s->resync_mb_x) a= 1024; } - + if (s->ac_pred) { pred_dc = 1024; if (s->h263_aic_dir) { @@ -1589,18 +1589,18 @@ static void h263_pred_acdc(MpegEncContext * s, DCTELEM *block, int n) else pred_dc = c; } - + /* we assume pred is positive */ block[0]=block[0]*scale + pred_dc; - + if (block[0] < 0) block[0] = 0; - else + else block[0] |= 1; - + /* Update AC/DC tables */ dc_val[(x) + (y) * wrap] = block[0]; - + /* left copy */ for(i=1;i<8;i++) ac_val1[i ] = block[s->dsp.idct_permutation[i<<3]]; @@ -1654,7 +1654,7 @@ int16_t *h263_pred_motion(MpegEncContext * s, int block, int dir, C = mot_val[off[block] - wrap]; if(s->mb_x == s->resync_mb_x) //rare A[0]=A[1]=0; - + *px = mid_pred(A[0], B[0], C[0]); *py = mid_pred(A[1], B[1], C[1]); } @@ -1690,7 +1690,7 @@ void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code) code = (val >> bit_size) + 1; bits = val & (range - 1); - put_bits(&s->pb, mvtab[code][1] + 1, (mvtab[code][0] << 1) | sign); + put_bits(&s->pb, mvtab[code][1] + 1, (mvtab[code][0] << 1) | sign); if (bit_size > 0) { put_bits(&s->pb, bit_size, bits); } @@ -1700,13 +1700,13 @@ void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code) /* Encode MV differences on H.263+ with Unrestricted MV mode */ static void h263p_encode_umotion(MpegEncContext * s, int val) { - short sval = 0; + short sval = 0; short i = 0; short n_bits = 0; short temp_val; int code = 0; int tcode; - + if ( val == 0) put_bits(&s->pb, 1, 1); else if (val == 1) @@ -1714,15 +1714,15 @@ static void h263p_encode_umotion(MpegEncContext * s, int val) else if (val == -1) put_bits(&s->pb, 3, 2); else { - + sval = ((val < 0) ? (short)(-val):(short)val); temp_val = sval; - + while (temp_val != 0) { temp_val = temp_val >> 1; n_bits++; } - + i = n_bits - 1; while (i > 0) { tcode = (sval & (1 << (i-1))) >> (i-1); @@ -1740,10 +1740,10 @@ static void init_mv_penalty_and_fcode(MpegEncContext *s) { int f_code; int mv; - + if(mv_penalty==NULL) mv_penalty= av_mallocz( sizeof(uint8_t)*(MAX_FCODE+1)*(2*MAX_MV+1) ); - + for(f_code=1; f_code<=MAX_FCODE; f_code++){ for(mv=-MAX_MV; mv<=MAX_MV; mv++){ int len; @@ -1756,7 +1756,7 @@ static void init_mv_penalty_and_fcode(MpegEncContext *s) range = 1 << bit_size; val=mv; - if (val < 0) + if (val < 0) val = -val; val--; code = (val >> bit_size) + 1; @@ -1822,7 +1822,7 @@ static void init_uni_dc_tab(void) /* chrominance */ uni_code= DCtab_chrom[size][0]; uni_len = DCtab_chrom[size][1]; - + if (size > 0) { uni_code<<=size; uni_code|=l; uni_len+=size; @@ -1842,7 +1842,7 @@ static void init_uni_dc_tab(void) #ifdef CONFIG_ENCODERS static void init_uni_mpeg4_rl_tab(RLTable *rl, uint32_t *bits_tab, uint8_t *len_tab){ int slevel, run, last; - + assert(MAX_LEVEL >= 64); assert(MAX_RUN >= 63); @@ -1855,15 +1855,15 @@ static void init_uni_mpeg4_rl_tab(RLTable *rl, uint32_t *bits_tab, uint8_t *len_ int sign= slevel < 0 ? 1 : 0; int bits, len, code; int level1, run1; - + 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++; - + if(code!=rl->n && len < len_tab[index]){ bits_tab[index]= bits; len_tab [index]= len; @@ -1880,13 +1880,13 @@ static void init_uni_mpeg4_rl_tab(RLTable *rl, uint32_t *bits_tab, uint8_t *len_ len += rl->table_vlc[code][1]; bits += rl->table_vlc[code][0]; bits=bits*2+sign; len++; - + if(code!=rl->n && len < len_tab[index]){ bits_tab[index]= bits; len_tab [index]= len; } } -#endif +#endif #if 1 /* ESC2 */ bits= rl->table_vlc[rl->n][0]; @@ -1899,14 +1899,14 @@ static void init_uni_mpeg4_rl_tab(RLTable *rl, uint32_t *bits_tab, uint8_t *len_ len += rl->table_vlc[code][1]; bits += rl->table_vlc[code][0]; bits=bits*2+sign; len++; - + if(code!=rl->n && len < len_tab[index]){ bits_tab[index]= bits; len_tab [index]= len; } } -#endif - /* ESC3 */ +#endif + /* ESC3 */ bits= rl->table_vlc[rl->n][0]; len = rl->table_vlc[rl->n][1]; bits=bits*4+3; len+=2; //esc3 @@ -1915,7 +1915,7 @@ static void init_uni_mpeg4_rl_tab(RLTable *rl, uint32_t *bits_tab, uint8_t *len_ 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; @@ -1927,7 +1927,7 @@ static void init_uni_mpeg4_rl_tab(RLTable *rl, uint32_t *bits_tab, uint8_t *len_ static void init_uni_h263_rl_tab(RLTable *rl, uint32_t *bits_tab, uint8_t *len_tab){ int slevel, run, last; - + assert(MAX_LEVEL >= 64); assert(MAX_RUN >= 63); @@ -1939,15 +1939,15 @@ static void init_uni_h263_rl_tab(RLTable *rl, uint32_t *bits_tab, uint8_t *len_t int level= slevel < 0 ? -slevel : slevel; int sign= slevel < 0 ? 1 : 0; int bits, len, code; - + 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++; - + if(code!=rl->n && len < len_tab[index]){ if(bits_tab) bits_tab[index]= bits; len_tab [index]= len; @@ -1958,7 +1958,7 @@ static void init_uni_h263_rl_tab(RLTable *rl, uint32_t *bits_tab, uint8_t *len_t bits=bits*2+last; len++; bits=bits*64+run; len+=6; bits=bits*256+(level&0xff); len+=8; - + if(len < len_tab[index]){ if(bits_tab) bits_tab[index]= bits; len_tab [index]= len; @@ -1980,7 +1980,7 @@ void h263_encode_init(MpegEncContext *s) init_rl(&rl_inter, 1); init_rl(&rl_intra, 1); init_rl(&rl_intra_aic, 1); - + init_uni_mpeg4_rl_tab(&rl_intra, uni_mpeg4_intra_rl_bits, uni_mpeg4_intra_rl_len); init_uni_mpeg4_rl_tab(&rl_inter, uni_mpeg4_inter_rl_bits, uni_mpeg4_inter_rl_len); @@ -1990,7 +1990,7 @@ void h263_encode_init(MpegEncContext *s) init_mv_penalty_and_fcode(s); } s->me.mv_penalty= mv_penalty; //FIXME exact table for msmpeg4 & h263p - + s->intra_ac_vlc_length =s->inter_ac_vlc_length = uni_h263_inter_rl_len; s->intra_ac_vlc_last_length=s->inter_ac_vlc_last_length= uni_h263_inter_rl_len + 128*64; if(s->h263_aic){ @@ -2019,7 +2019,7 @@ void h263_encode_init(MpegEncContext *s) s->avctx->extradata= av_malloc(1024); init_put_bits(&s->pb, s->avctx->extradata, 1024); - + if(!(s->workaround_bugs & FF_BUG_MS)) mpeg4_encode_visual_object_header(s); mpeg4_encode_vol_header(s, 0, 0); @@ -2028,7 +2028,7 @@ void h263_encode_init(MpegEncContext *s) flush_put_bits(&s->pb); s->avctx->extradata_size= (put_bits_count(&s->pb)+7)>>3; } - + break; case CODEC_ID_H263P: if(s->umvplus) @@ -2041,7 +2041,7 @@ void h263_encode_init(MpegEncContext *s) s->max_qcoeff= 127; } break; - //Note for mpeg4 & h263 the dc-scale table will be set per frame as needed later + //Note for mpeg4 & h263 the dc-scale table will be set per frame as needed later case CODEC_ID_FLV1: if (s->h263_flv > 1) { s->min_qcoeff= -1023; @@ -2094,13 +2094,13 @@ static void h263_encode_block(MpegEncContext * s, DCTELEM * block, int n) i = 0; if (s->h263_aic && s->mb_intra) rl = &rl_intra_aic; - + if(s->alt_inter_vlc && !s->mb_intra){ int aic_vlc_bits=0; int inter_vlc_bits=0; int wrong_pos=-1; int aic_code; - + last_index = s->block_last_index[n]; last_non_zero = i - 1; for (; i <= last_index; i++) { @@ -2109,9 +2109,9 @@ static void h263_encode_block(MpegEncContext * s, DCTELEM * block, int n) if (level) { run = i - last_non_zero - 1; last = (i == last_index); - + if(level<0) level= -level; - + code = get_rl_index(rl, last, run, level); aic_code = get_rl_index(&rl_intra_aic, last, run, level); inter_vlc_bits += rl->table_vlc[code][1]+1; @@ -2119,21 +2119,21 @@ static void h263_encode_block(MpegEncContext * s, DCTELEM * block, int n) if (code == rl->n) { inter_vlc_bits += 1+6+8-1; - } + } if (aic_code == rl_intra_aic.n) { aic_vlc_bits += 1+6+8-1; wrong_pos += run + 1; }else wrong_pos += wrong_run[aic_code]; last_non_zero = i; - } + } } i = 0; if(aic_vlc_bits < inter_vlc_bits && wrong_pos > 63) rl = &rl_intra_aic; } } - + /* AC coefs */ last_index = s->block_last_index[n]; last_non_zero = i - 1; @@ -2155,10 +2155,10 @@ static void h263_encode_block(MpegEncContext * s, DCTELEM * block, int n) if(s->h263_flv <= 1){ put_bits(&s->pb, 1, last); put_bits(&s->pb, 6, run); - + assert(slevel != 0); - if(level < 128) + if(level < 128) put_bits(&s->pb, 8, slevel & 0xff); else{ put_bits(&s->pb, 8, 128); @@ -2229,10 +2229,10 @@ void ff_set_mpeg4_time(MpegEncContext * s, int picture_number){ static void mpeg4_encode_gop_header(MpegEncContext * s){ int hours, minutes, seconds; int64_t time; - + put_bits(&s->pb, 16, 0); put_bits(&s->pb, 16, GOP_STARTCODE); - + time= s->current_picture_ptr->pts; if(s->reordered_input_picture[1]) time= FFMIN(time, s->reordered_input_picture[1]->pts); @@ -2247,11 +2247,11 @@ static void mpeg4_encode_gop_header(MpegEncContext * s){ 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, !!(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); } @@ -2259,7 +2259,7 @@ static void mpeg4_encode_gop_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){ profile_and_level_indication = s->avctx->profile << 4; }else if(s->max_b_frames || s->quarter_sample){ @@ -2289,13 +2289,13 @@ static void mpeg4_encode_visual_object_header(MpegEncContext * s){ put_bits(&s->pb, 16, 0); put_bits(&s->pb, 16, VISUAL_OBJ_STARTCODE); - + 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, 4, 1); //visual obj type== video obj - + put_bits(&s->pb, 1, 0); //video signal type == no clue //FIXME ff_mpeg4_stuffing(&s->pb); @@ -2327,7 +2327,7 @@ static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_n put_bits(&s->pb, 4, vo_ver_id); /* is obj layer ver id */ put_bits(&s->pb, 3, 1); /* is obj layer priority */ } - + aspect_to_info(s, s->avctx->sample_aspect_ratio); put_bits(&s->pb, 4, s->aspect_ratio_info);/* aspect ratio info */ @@ -2347,7 +2347,7 @@ static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_n put_bits(&s->pb, 2, RECT_SHAPE); /* vol shape= rectangle */ put_bits(&s->pb, 1, 1); /* marker bit */ - + put_bits(&s->pb, 16, s->avctx->time_base.den); if (s->time_increment_bits < 1) s->time_increment_bits = 1; @@ -2365,7 +2365,7 @@ static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_n }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)*/ @@ -2389,7 +2389,7 @@ static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_n put_bits(&s->pb, 1, 0); /* reduced res vop */ } put_bits(&s->pb, 1, 0); /* scalability */ - + ff_mpeg4_stuffing(&s->pb); /* user data */ @@ -2405,7 +2405,7 @@ void mpeg4_encode_picture_header(MpegEncContext * s, int picture_number) { int time_incr; int time_div, time_mod; - + if(s->pict_type==I_TYPE){ if(!(s->flags&CODEC_FLAG_GLOBAL_HEADER)){ if(s->strict_std_compliance < FF_COMPLIANCE_VERY_STRICT) //HACK, the reference sw is buggy @@ -2416,11 +2416,11 @@ void mpeg4_encode_picture_header(MpegEncContext * s, int picture_number) if(!(s->workaround_bugs & FF_BUG_MS)) mpeg4_encode_gop_header(s); } - + s->partitioned_frame= s->data_partitioning && s->pict_type!=B_TYPE; //printf("num:%d rate:%d base:%d\n", s->picture_number, s->time_base.den, FRAME_RATE_BASE); - + 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 */ @@ -2432,14 +2432,14 @@ void mpeg4_encode_picture_header(MpegEncContext * s, int picture_number) assert(time_incr >= 0); while(time_incr--) put_bits(&s->pb, 1, 1); - + put_bits(&s->pb, 1, 0); put_bits(&s->pb, 1, 1); /* marker */ put_bits(&s->pb, s->time_increment_bits, time_mod); /* time increment */ put_bits(&s->pb, 1, 1); /* marker */ put_bits(&s->pb, 1, 1); /* vop coded */ - if ( s->pict_type == P_TYPE + if ( s->pict_type == P_TYPE || (s->pict_type == S_TYPE && s->vol_sprite_usage==GMC_SPRITE)) { put_bits(&s->pb, 1, s->no_rounding); /* rounding type */ } @@ -2470,7 +2470,7 @@ void ff_set_qscale(MpegEncContext * s, int qscale) qscale = 1; else if (qscale > 31) qscale = 31; - + s->qscale = qscale; s->chroma_qscale= s->chroma_qscale_table[qscale]; @@ -2481,7 +2481,7 @@ void ff_set_qscale(MpegEncContext * s, int qscale) /** * predicts the dc. * encoding quantized level -> quantized diff - * decoding quantized diff -> quantized level + * decoding quantized diff -> quantized level * @param n block index (0-3 are luma, 4-5 are chroma) * @param dir_ptr pointer to an integer where the prediction direction will be stored */ @@ -2503,7 +2503,7 @@ static inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, int level, int *di dc_val = s->dc_val[0] + s->block_index[n]; /* B C - * A X + * A X */ a = dc_val[ - 1]; b = dc_val[ - 1 - wrap]; @@ -2547,7 +2547,7 @@ static inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, int level, int *di } level *=scale; if(level&(~2047)){ - if(level<0) + if(level<0) level=0; else if(!(s->workaround_bugs&FF_BUG_DC_CLIP)) level=2047; @@ -2577,7 +2577,7 @@ void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n, 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){ /* same qscale */ for(i=1;i<8;i++) { @@ -2676,7 +2676,7 @@ static inline int mpeg4_get_dc_length(int level, int n){ * encodes a 8x8 block * @param n block index (0-3 are luma, 4-5 are chroma) */ -static inline void mpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n, int intra_dc, +static inline void mpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n, int intra_dc, uint8_t *scan_table, PutBitContext *dc_pb, PutBitContext *ac_pb) { int i, last_non_zero; @@ -2750,7 +2750,7 @@ static inline void mpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n if (code == rl->n) { int level1, run1; level1 = level - rl->max_level[last][run]; - if (level1 < 1) + if (level1 < 1) goto esc2; code = get_rl_index(rl, last, run, level1); if (code == rl->n) { @@ -2792,7 +2792,7 @@ static inline void mpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n #endif } -static int mpeg4_get_block_length(MpegEncContext * s, DCTELEM * block, int n, int intra_dc, +static int mpeg4_get_block_length(MpegEncContext * s, DCTELEM * block, int n, int intra_dc, uint8_t *scan_table) { int i, last_non_zero; @@ -2842,7 +2842,7 @@ static int mpeg4_get_block_length(MpegEncContext * s, DCTELEM * block, int n, in len += 7+2+1+6+1+12+1; } } - + return len; } @@ -2865,25 +2865,25 @@ static VLC cbpc_b_vlc; void init_vlc_rl(RLTable *rl, int use_static) { int i, q; - + /* Return if static table is already initialized */ if(use_static && rl->rl_vlc[0]) - return; + return; - init_vlc(&rl->vlc, 9, rl->n + 1, + init_vlc(&rl->vlc, 9, rl->n + 1, &rl->table_vlc[0][1], 4, 2, &rl->table_vlc[0][0], 4, 2, use_static); - + for(q=0; q<32; q++){ int qmul= q*2; int qadd= (q-1)|1; - + if(q==0){ qmul=1; qadd=0; } - if(use_static) + if(use_static) rl->rl_vlc[q]= av_mallocz_static(rl->vlc.table_size*sizeof(RL_VLC_ELEM)); else rl->rl_vlc[q]= av_malloc(rl->vlc.table_size*sizeof(RL_VLC_ELEM)); @@ -2891,7 +2891,7 @@ void init_vlc_rl(RLTable *rl, int use_static) int code= rl->vlc.table[i][0]; int len = rl->vlc.table[i][1]; int level, run; - + if(len==0){ // illegal code run= 66; level= MAX_LEVEL; @@ -2925,10 +2925,10 @@ void h263_decode_init_vlc(MpegEncContext *s) if (!done) { done = 1; - init_vlc(&intra_MCBPC_vlc, INTRA_MCBPC_VLC_BITS, 9, + init_vlc(&intra_MCBPC_vlc, INTRA_MCBPC_VLC_BITS, 9, intra_MCBPC_bits, 1, 1, intra_MCBPC_code, 1, 1, 1); - init_vlc(&inter_MCBPC_vlc, INTER_MCBPC_VLC_BITS, 28, + init_vlc(&inter_MCBPC_vlc, INTER_MCBPC_VLC_BITS, 28, inter_MCBPC_bits, 1, 1, inter_MCBPC_code, 1, 1, 1); init_vlc(&cbpy_vlc, CBPY_VLC_BITS, 16, @@ -3013,7 +3013,7 @@ static int h263_decode_gob_header(MpegEncContext *s) { unsigned int val, gfid, gob_number; int left; - + /* Check for GOB Start Code */ val = show_bits(&s->gb, 16); if(val) @@ -3026,7 +3026,7 @@ static int h263_decode_gob_header(MpegEncContext *s) for(;left>13; left--){ if(get_bits1(&s->gb)) break; /* Seek the '1' bit */ } - if(left<=13) + if(left<=13) return -1; if(s->h263_slice_structured){ @@ -3038,7 +3038,7 @@ static int h263_decode_gob_header(MpegEncContext *s) if(s->mb_num > 1583) if(get_bits1(&s->gb)==0) return -1; - + s->qscale = get_bits(&s->gb, 5); /* SQUANT */ if(get_bits1(&s->gb)==0) return -1; @@ -3050,11 +3050,11 @@ static int h263_decode_gob_header(MpegEncContext *s) gfid = get_bits(&s->gb, 2); /* GFID */ s->qscale = get_bits(&s->gb, 5); /* GQUANT */ } - - if(s->mb_y >= s->mb_height) + + if(s->mb_y >= s->mb_height) return -1; - if(s->qscale==0) + if(s->qscale==0) return -1; return 0; @@ -3076,7 +3076,7 @@ void ff_mpeg4_init_partitions(MpegEncContext *s) int size= end - start; int pb_size = (((long)start + size/3)&(~3)) - (long)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); @@ -3132,7 +3132,7 @@ void ff_mpeg4_encode_video_packet_header(MpegEncContext *s) 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, s->quant_precision, s->qscale); put_bits(&s->pb, 1, 0); /* no HEC */ @@ -3146,7 +3146,7 @@ void ff_mpeg4_encode_video_packet_header(MpegEncContext *s) */ static inline int mpeg4_is_resync(MpegEncContext *s){ const int bits_count= get_bits_count(&s->gb); - + if(s->workaround_bugs&FF_BUG_NO_PADDING){ return 0; } @@ -3154,17 +3154,17 @@ static inline int mpeg4_is_resync(MpegEncContext *s){ if(bits_count + 8 >= s->gb.size_in_bits){ int v= show_bits(&s->gb, 8); v|= 0x7F >> (7-(bits_count&7)); - + if(v==0x7F) return 1; }else{ if(show_bits(&s->gb, 16) == ff_mpeg4_resync_prefix[bits_count&7]){ int len; GetBitContext gb= s->gb; - + skip_bits(&s->gb, 1); align_get_bits(&s->gb); - + for(len=0; len<32; len++){ if(get_bits1(&s->gb)) break; } @@ -3186,7 +3186,7 @@ static int mpeg4_decode_video_packet_header(MpegEncContext *s) { int mb_num_bits= av_log2(s->mb_num - 1) + 1; int header_extension=0, mb_num, len; - + /* is there enough space left for a video packet + header */ if( get_bits_count(&s->gb) > s->gb.size_in_bits-20) return -1; @@ -3198,7 +3198,7 @@ static int mpeg4_decode_video_packet_header(MpegEncContext *s) av_log(s->avctx, AV_LOG_ERROR, "marker does not match f_code\n"); return -1; } - + if(s->shape != RECT_SHAPE){ header_extension= get_bits1(&s->gb); //FIXME more stuff here @@ -3213,12 +3213,12 @@ static int mpeg4_decode_video_packet_header(MpegEncContext *s) while(s->next_picture.mbskip_table[ s->mb_index2xy[ mb_num ] ]) mb_num++; if(mb_num >= s->mb_num) return -1; // slice contains just skipped MBs which where allready decoded } - + s->mb_x= mb_num % s->mb_width; s->mb_y= mb_num / s->mb_width; if(s->shape != BIN_ONLY_SHAPE){ - int qscale= get_bits(&s->gb, s->quant_precision); + int qscale= get_bits(&s->gb, s->quant_precision); if(qscale) s->chroma_qscale=s->qscale= qscale; } @@ -3230,13 +3230,13 @@ static int mpeg4_decode_video_packet_header(MpegEncContext *s) int time_increment; int time_incr=0; - while (get_bits1(&s->gb) != 0) + while (get_bits1(&s->gb) != 0) time_incr++; check_marker(&s->gb, "before time_increment in video packed header"); time_increment= get_bits(&s->gb, s->time_increment_bits); check_marker(&s->gb, "before vop_coding_type in video packed header"); - + skip_bits(&s->gb, 2); /* vop coding type */ //FIXME not rect stuff here @@ -3249,7 +3249,7 @@ static int mpeg4_decode_video_packet_header(MpegEncContext *s) } //FIXME reduced res stuff here - + if (s->pict_type != I_TYPE) { int f_code = get_bits(&s->gb, 3); /* fcode_for */ if(f_code==0){ @@ -3261,11 +3261,11 @@ static int mpeg4_decode_video_packet_header(MpegEncContext *s) if(b_code==0){ av_log(s->avctx, AV_LOG_ERROR, "Error, video packet header damaged (b_code=0)\n"); } - } + } } } //FIXME new-pred stuff - + //printf("parse ok %d %d %d %d\n", mb_num, s->mb_x + s->mb_y*s->mb_width, get_bits_count(gb), get_bits_count(&s->gb)); return 0; @@ -3308,7 +3308,7 @@ void ff_mpeg4_clean_buffers(MpegEncContext *s) */ int ff_h263_resync(MpegEncContext *s){ int left, ret; - + if(s->codec_id==CODEC_ID_MPEG4){ skip_bits1(&s->gb); align_get_bits(&s->gb); @@ -3326,8 +3326,8 @@ int ff_h263_resync(MpegEncContext *s){ s->gb= s->last_resync_gb; align_get_bits(&s->gb); left= s->gb.size_in_bits - get_bits_count(&s->gb); - - for(;left>16+1+5+5; left-=8){ + + for(;left>16+1+5+5; left-=8){ if(show_bits(&s->gb, 16)==0){ GetBitContext bak= s->gb; @@ -3342,7 +3342,7 @@ int ff_h263_resync(MpegEncContext *s){ } skip_bits(&s->gb, 8); } - + return -1; } @@ -3355,7 +3355,7 @@ static inline int get_amv(MpegEncContext *s, int n){ int x, y, mb_v, sum, dx, dy, shift; int len = 1 << (s->f_code + 4); const int a= s->sprite_warping_accuracy; - + if(s->workaround_bugs & FF_BUG_AMV) len >>= s->quarter_sample; @@ -3375,7 +3375,7 @@ static inline int get_amv(MpegEncContext *s, int n){ sum=0; for(y=0; y<16; y++){ int v; - + v= mb_v + dy*y; //XXX FIXME optimize for(x=0; x<16; x++){ @@ -3399,7 +3399,7 @@ static inline int get_amv(MpegEncContext *s, int n){ static int mpeg4_decode_partition_a(MpegEncContext *s){ int mb_num; static const int8_t quant_tab[4] = { -1, -2, 1, 2 }; - + /* decode first partition */ mb_num=0; s->first_slice_line=1; @@ -3409,12 +3409,12 @@ static int mpeg4_decode_partition_a(MpegEncContext *s){ const int xy= s->mb_x + s->mb_y*s->mb_stride; int cbpc; int dir=0; - + mb_num++; ff_update_block_index(s); if(s->mb_x == s->resync_mb_x && s->mb_y == s->resync_mb_y+1) s->first_slice_line=0; - + if(s->pict_type==I_TYPE){ int i; @@ -3429,7 +3429,7 @@ static int mpeg4_decode_partition_a(MpegEncContext *s){ return -1; } }while(cbpc == 8); - + s->cbp_table[xy]= cbpc & 3; s->current_picture.mb_type[xy]= MB_TYPE_INTRA; s->mb_intra = 1; @@ -3442,7 +3442,7 @@ static int mpeg4_decode_partition_a(MpegEncContext *s){ s->mbintra_table[xy]= 1; for(i=0; i<6; i++){ int dc_pred_dir; - int dc= mpeg4_decode_dc(s, i, &dc_pred_dir); + int dc= mpeg4_decode_dc(s, i, &dc_pred_dir); if(dc < 0){ av_log(s->avctx, AV_LOG_ERROR, "DC corrupted at %d %d\n", s->mb_x, s->mb_y); return -1; @@ -3491,13 +3491,13 @@ try_again: goto try_again; s->cbp_table[xy]= cbpc&(8+3); //8 is dquant - + s->mb_intra = ((cbpc & 4) != 0); - + if(s->mb_intra){ s->current_picture.mb_type[xy]= MB_TYPE_INTRA; s->mbintra_table[xy]= 1; - mot_val[0 ]= mot_val[2 ]= + mot_val[0 ]= mot_val[2 ]= mot_val[0+stride]= mot_val[2+stride]= 0; mot_val[1 ]= mot_val[3 ]= mot_val[1+stride]= mot_val[3+stride]= 0; @@ -3508,7 +3508,7 @@ try_again: if(s->pict_type==S_TYPE && s->vol_sprite_usage==GMC_SPRITE && (cbpc & 16) == 0) s->mcsel= get_bits1(&s->gb); else s->mcsel= 0; - + if ((cbpc & 16) == 0) { /* 16x16 motion prediction */ @@ -3540,7 +3540,7 @@ try_again: mx = h263_decode_motion(s, pred_x, s->f_code); if (mx >= 0xffff) return -1; - + my = h263_decode_motion(s, pred_y, s->f_code); if (my >= 0xffff) return -1; @@ -3576,7 +3576,7 @@ static int mpeg4_decode_partition_b(MpegEncContext *s, int mb_count){ ff_update_block_index(s); if(s->mb_x == s->resync_mb_x && s->mb_y == s->resync_mb_y+1) s->first_slice_line=0; - + if(s->pict_type==I_TYPE){ int ac_pred= get_bits1(&s->gb); int cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1); @@ -3584,11 +3584,11 @@ static int mpeg4_decode_partition_b(MpegEncContext *s, int mb_count){ av_log(s->avctx, AV_LOG_ERROR, "cbpy corrupted at %d %d\n", s->mb_x, s->mb_y); return -1; } - + s->cbp_table[xy]|= cbpy<<2; - s->current_picture.mb_type[xy] |= ac_pred*MB_TYPE_ACPRED; + s->current_picture.mb_type[xy] |= ac_pred*MB_TYPE_ACPRED; }else{ /* P || S_TYPE */ - if(IS_INTRA(s->current_picture.mb_type[xy])){ + if(IS_INTRA(s->current_picture.mb_type[xy])){ int dir=0,i; int ac_pred = get_bits1(&s->gb); int cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1); @@ -3597,7 +3597,7 @@ static int mpeg4_decode_partition_b(MpegEncContext *s, int mb_count){ av_log(s->avctx, AV_LOG_ERROR, "I cbpy corrupted at %d %d\n", s->mb_x, s->mb_y); return -1; } - + if(s->cbp_table[xy] & 8) { ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]); } @@ -3605,7 +3605,7 @@ static int mpeg4_decode_partition_b(MpegEncContext *s, int mb_count){ for(i=0; i<6; i++){ int dc_pred_dir; - int dc= mpeg4_decode_dc(s, i, &dc_pred_dir); + int dc= mpeg4_decode_dc(s, i, &dc_pred_dir); if(dc < 0){ av_log(s->avctx, AV_LOG_ERROR, "DC corrupted at %d %d\n", s->mb_x, s->mb_y); return -1; @@ -3615,7 +3615,7 @@ static int mpeg4_decode_partition_b(MpegEncContext *s, int mb_count){ } s->cbp_table[xy]&= 3; //remove dquant s->cbp_table[xy]|= cbpy<<2; - s->current_picture.mb_type[xy] |= ac_pred*MB_TYPE_ACPRED; + s->current_picture.mb_type[xy] |= ac_pred*MB_TYPE_ACPRED; s->pred_dir_table[xy]= dir; }else if(IS_SKIP(s->current_picture.mb_type[xy])){ s->current_picture.qscale_table[xy]= s->qscale; @@ -3627,7 +3627,7 @@ static int mpeg4_decode_partition_b(MpegEncContext *s, int mb_count){ av_log(s->avctx, AV_LOG_ERROR, "P cbpy corrupted at %d %d\n", s->mb_x, s->mb_y); return -1; } - + if(s->cbp_table[xy] & 8) { ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]); } @@ -3653,13 +3653,13 @@ int ff_mpeg4_decode_partitions(MpegEncContext *s) int mb_num; const int part_a_error= s->pict_type==I_TYPE ? (DC_ERROR|MV_ERROR) : MV_ERROR; const int part_a_end = s->pict_type==I_TYPE ? (DC_END |MV_END) : MV_END; - - mb_num= mpeg4_decode_partition_a(s); + + mb_num= mpeg4_decode_partition_a(s); if(mb_num<0){ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, part_a_error); return -1; } - + if(s->resync_mb_x + s->resync_mb_y*s->mb_width + mb_num > s->mb_num){ av_log(s->avctx, AV_LOG_ERROR, "slice below monitor ...\n"); ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, part_a_error); @@ -3667,7 +3667,7 @@ int ff_mpeg4_decode_partitions(MpegEncContext *s) } s->mb_num_left= mb_num; - + if(s->pict_type==I_TYPE){ while(show_bits(&s->gb, 9) == 1) skip_bits(&s->gb, 9); @@ -3684,7 +3684,7 @@ int ff_mpeg4_decode_partitions(MpegEncContext *s) } } ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, part_a_end); - + if( mpeg4_decode_partition_b(s, mb_num) < 0){ if(s->pict_type==P_TYPE) ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, DC_ERROR); @@ -3694,7 +3694,7 @@ int ff_mpeg4_decode_partitions(MpegEncContext *s) ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, DC_END); } - return 0; + return 0; } /** @@ -3712,7 +3712,7 @@ static int mpeg4_decode_partitioned_mb(MpegEncContext *s, DCTELEM block[6][64]) if(s->current_picture.qscale_table[xy] != s->qscale){ ff_set_qscale(s, s->current_picture.qscale_table[xy] ); } - + if (s->pict_type == P_TYPE || s->pict_type==S_TYPE) { int i; for(i=0; i<4; i++){ @@ -3738,7 +3738,7 @@ static int mpeg4_decode_partitioned_mb(MpegEncContext *s, DCTELEM block[6][64]) s->ac_pred = IS_ACPRED(s->current_picture.mb_type[xy]); }else if(!s->mb_intra){ // s->mcsel= 0; //FIXME do we need to init that - + s->mv_dir = MV_DIR_FORWARD; if (IS_8X8(mb_type)) { s->mv_type = MV_TYPE_8X8; @@ -3771,7 +3771,7 @@ static int mpeg4_decode_partitioned_mb(MpegEncContext *s, DCTELEM block[6][64]) if(mpeg4_is_resync(s)) return SLICE_END; else - return SLICE_NOEND; + return SLICE_NOEND; }else{ if(mpeg4_is_resync(s)){ const int delta= s->mb_x + 1 == s->mb_width ? 2 : 1; @@ -3787,35 +3787,35 @@ static int mpeg4_decode_partitioned_mb(MpegEncContext *s, DCTELEM block[6][64]) */ static void preview_obmc(MpegEncContext *s){ GetBitContext gb= s->gb; - + int cbpc, i, pred_x, pred_y, mx, my; int16_t *mot_val; const int xy= s->mb_x + 1 + s->mb_y * s->mb_stride; const int stride= s->b8_stride*2; - + for(i=0; i<4; i++) s->block_index[i]+= 2; for(i=4; i<6; i++) s->block_index[i]+= 1; s->mb_x++; - + assert(s->pict_type == P_TYPE); do{ if (get_bits1(&s->gb)) { /* skip mb */ mot_val = s->current_picture.motion_val[0][ s->block_index[0] ]; - mot_val[0 ]= mot_val[2 ]= + mot_val[0 ]= mot_val[2 ]= mot_val[0+stride]= mot_val[2+stride]= 0; mot_val[1 ]= mot_val[3 ]= mot_val[1+stride]= mot_val[3+stride]= 0; - + s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0; goto end; } cbpc = get_vlc2(&s->gb, inter_MCBPC_vlc.table, INTER_MCBPC_VLC_BITS, 2); }while(cbpc == 20); - + if(cbpc & 4){ s->current_picture.mb_type[xy]= MB_TYPE_INTRA; }else{ @@ -3827,37 +3827,37 @@ static void preview_obmc(MpegEncContext *s){ }else skip_bits(&s->gb, 2); } - + if ((cbpc & 16) == 0) { - s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0; + s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0; /* 16x16 motion prediction */ mot_val= h263_pred_motion(s, 0, 0, &pred_x, &pred_y); if (s->umvplus) mx = h263p_decode_umotion(s, pred_x); else mx = h263_decode_motion(s, pred_x, 1); - + if (s->umvplus) my = h263p_decode_umotion(s, pred_y); else my = h263_decode_motion(s, pred_y, 1); - - mot_val[0 ]= mot_val[2 ]= + + mot_val[0 ]= mot_val[2 ]= mot_val[0+stride]= mot_val[2+stride]= mx; mot_val[1 ]= mot_val[3 ]= mot_val[1+stride]= mot_val[3+stride]= my; } else { - s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0; + s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0; for(i=0;i<4;i++) { mot_val = h263_pred_motion(s, i, 0, &pred_x, &pred_y); if (s->umvplus) mx = h263p_decode_umotion(s, pred_x); else mx = h263_decode_motion(s, pred_x, 1); - + if (s->umvplus) my = h263p_decode_umotion(s, pred_y); - else + else my = h263_decode_motion(s, pred_y, 1); if (s->umvplus && (mx - pred_x) == 1 && (my - pred_y) == 1) skip_bits1(&s->gb); /* Bit stuffing to prevent PSC */ @@ -3867,7 +3867,7 @@ static void preview_obmc(MpegEncContext *s){ } } end: - + for(i=0; i<4; i++) s->block_index[i]-= 2; for(i=4; i<6; i++) @@ -3896,9 +3896,9 @@ int ff_h263_decode_mb(MpegEncContext *s, int cbpc, cbpy, i, cbp, pred_x, pred_y, mx, my, dquant; int16_t *mot_val; const int xy= s->mb_x + s->mb_y * s->mb_stride; - + assert(!s->h263_pred); - + if (s->pict_type == P_TYPE) { do{ if (get_bits1(&s->gb)) { @@ -3921,26 +3921,26 @@ int ff_h263_decode_mb(MpegEncContext *s, return -1; } }while(cbpc == 20); - + s->dsp.clear_blocks(s->block[0]); - + dquant = cbpc & 8; s->mb_intra = ((cbpc & 4) != 0); if (s->mb_intra) goto intra; - + cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1); - + if(s->alt_inter_vlc==0 || (cbpc & 3)!=3) cbpy ^= 0xF; - + cbp = (cbpc & 3) | (cbpy << 2); if (dquant) { h263_decode_dquant(s); } - + s->mv_dir = MV_DIR_FORWARD; if ((cbpc & 16) == 0) { - s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0; + s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0; /* 16x16 motion prediction */ s->mv_type = MV_TYPE_16X16; h263_pred_motion(s, 0, 0, &pred_x, &pred_y); @@ -3948,24 +3948,24 @@ int ff_h263_decode_mb(MpegEncContext *s, mx = h263p_decode_umotion(s, pred_x); else mx = h263_decode_motion(s, pred_x, 1); - + if (mx >= 0xffff) return -1; - + if (s->umvplus) my = h263p_decode_umotion(s, pred_y); else my = h263_decode_motion(s, pred_y, 1); - + if (my >= 0xffff) return -1; s->mv[0][0][0] = mx; s->mv[0][0][1] = my; if (s->umvplus && (mx - pred_x) == 1 && (my - pred_y) == 1) - skip_bits1(&s->gb); /* Bit stuffing to prevent PSC */ + skip_bits1(&s->gb); /* Bit stuffing to prevent PSC */ } else { - s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0; + s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0; s->mv_type = MV_TYPE_8X8; for(i=0;i<4;i++) { mot_val = h263_pred_motion(s, i, 0, &pred_x, &pred_y); @@ -3975,10 +3975,10 @@ int ff_h263_decode_mb(MpegEncContext *s, mx = h263_decode_motion(s, pred_x, 1); if (mx >= 0xffff) return -1; - + if (s->umvplus) my = h263p_decode_umotion(s, pred_y); - else + else my = h263_decode_motion(s, pred_y, 1); if (my >= 0xffff) return -1; @@ -4009,10 +4009,10 @@ int ff_h263_decode_mb(MpegEncContext *s, int16_t *mot_val1 = s->current_picture.motion_val[1][ 2*(s->mb_x + s->mb_y*stride) ]; // const int mv_xy= s->mb_x + 1 + s->mb_y * s->mb_stride; - //FIXME ugly - mot_val0[0 ]= mot_val0[2 ]= mot_val0[0+2*stride]= mot_val0[2+2*stride]= - mot_val0[1 ]= mot_val0[3 ]= mot_val0[1+2*stride]= mot_val0[3+2*stride]= - mot_val1[0 ]= mot_val1[2 ]= mot_val1[0+2*stride]= mot_val1[2+2*stride]= + //FIXME ugly + mot_val0[0 ]= mot_val0[2 ]= mot_val0[0+2*stride]= mot_val0[2+2*stride]= + mot_val0[1 ]= mot_val0[3 ]= mot_val0[1+2*stride]= mot_val0[3+2*stride]= + mot_val1[0 ]= mot_val1[2 ]= mot_val1[0+2*stride]= mot_val1[2+2*stride]= mot_val1[1 ]= mot_val1[3 ]= mot_val1[1+2*stride]= mot_val1[3+2*stride]= 0; do{ @@ -4040,14 +4040,14 @@ int ff_h263_decode_mb(MpegEncContext *s, av_log(s->avctx, AV_LOG_ERROR, "b cbpy damaged at %d %d\n", s->mb_x, s->mb_y); return -1; } - + if(s->alt_inter_vlc==0 || (cbpc & 3)!=3) cbpy ^= 0xF; - + cbp = (cbpc & 3) | (cbpy << 2); }else cbp=0; - + assert(!s->mb_intra); if(IS_QUANT(mb_type)){ @@ -4068,17 +4068,17 @@ int ff_h263_decode_mb(MpegEncContext *s, mx = h263_decode_motion(s, mx, 1); my = h263_decode_motion(s, my, 1); - + s->mv[0][0][0] = mx; s->mv[0][0][1] = my; mot_val[0 ]= mot_val[2 ]= mot_val[0+2*stride]= mot_val[2+2*stride]= mx; mot_val[1 ]= mot_val[3 ]= mot_val[1+2*stride]= mot_val[3+2*stride]= my; } - + if(USES_LIST(mb_type, 1)){ int16_t *mot_val= h263_pred_motion(s, 0, 1, &mx, &my); s->mv_dir |= MV_DIR_BACKWARD; - + mx = h263_decode_motion(s, mx, 1); my = h263_decode_motion(s, my, 1); @@ -4088,7 +4088,7 @@ int ff_h263_decode_mb(MpegEncContext *s, mot_val[1 ]= mot_val[3 ]= mot_val[1+2*stride]= mot_val[3+2*stride]= my; } } - + s->current_picture.mb_type[xy]= mb_type; /* decode each block */ @@ -4116,12 +4116,12 @@ intra: s->ac_pred = get_bits1(&s->gb); if(s->ac_pred){ s->current_picture.mb_type[xy]= MB_TYPE_INTRA | MB_TYPE_ACPRED; - + s->h263_aic_dir = get_bits1(&s->gb); } }else s->ac_pred = 0; - + cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1); if(cbpy<0){ av_log(s->avctx, AV_LOG_ERROR, "I cbpy damaged at %d %d\n", s->mb_x, s->mb_y); @@ -4144,7 +4144,7 @@ end: /* per-MB end of slice check */ { int v= show_bits(&s->gb, 16); - + if(get_bits_count(&s->gb) + 16 > s->gb.size_in_bits){ v>>= get_bits_count(&s->gb) + 16 - s->gb.size_in_bits; } @@ -4153,7 +4153,7 @@ end: return SLICE_END; } - return SLICE_OK; + return SLICE_OK; } int ff_mpeg4_decode_mb(MpegEncContext *s, @@ -4163,9 +4163,9 @@ int ff_mpeg4_decode_mb(MpegEncContext *s, int16_t *mot_val; static int8_t quant_tab[4] = { -1, -2, 1, 2 }; const int xy= s->mb_x + s->mb_y * s->mb_stride; - + assert(s->h263_pred); - + if (s->pict_type == P_TYPE || s->pict_type==S_TYPE) { do{ if (get_bits1(&s->gb)) { @@ -4198,24 +4198,24 @@ int ff_mpeg4_decode_mb(MpegEncContext *s, return -1; } }while(cbpc == 20); - + s->dsp.clear_blocks(s->block[0]); dquant = cbpc & 8; s->mb_intra = ((cbpc & 4) != 0); if (s->mb_intra) goto intra; - + if(s->pict_type==S_TYPE && s->vol_sprite_usage==GMC_SPRITE && (cbpc & 16) == 0) s->mcsel= get_bits1(&s->gb); else s->mcsel= 0; cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1) ^ 0x0F; - + cbp = (cbpc & 3) | (cbpy << 2); if (dquant) { ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]); } if((!s->progressive_sequence) && (cbp || (s->workaround_bugs&FF_BUG_XVID_ILACE))) s->interlaced_dct= get_bits1(&s->gb); - + s->mv_dir = MV_DIR_FORWARD; if ((cbpc & 16) == 0) { if(s->mcsel){ @@ -4227,7 +4227,7 @@ int ff_mpeg4_decode_mb(MpegEncContext *s, s->mv[0][0][0] = mx; s->mv[0][0][1] = my; }else if((!s->progressive_sequence) && get_bits1(&s->gb)){ - s->current_picture.mb_type[xy]= MB_TYPE_16x8 | MB_TYPE_L0 | MB_TYPE_INTERLACED; + s->current_picture.mb_type[xy]= MB_TYPE_16x8 | MB_TYPE_L0 | MB_TYPE_INTERLACED; /* 16x8 field motion prediction */ s->mv_type= MV_TYPE_FIELD; @@ -4235,12 +4235,12 @@ int ff_mpeg4_decode_mb(MpegEncContext *s, s->field_select[0][1]= get_bits1(&s->gb); h263_pred_motion(s, 0, 0, &pred_x, &pred_y); - + for(i=0; i<2; i++){ mx = h263_decode_motion(s, pred_x, s->f_code); if (mx >= 0xffff) return -1; - + my = h263_decode_motion(s, pred_y/2, s->f_code); if (my >= 0xffff) return -1; @@ -4249,31 +4249,31 @@ int ff_mpeg4_decode_mb(MpegEncContext *s, s->mv[0][i][1] = my; } }else{ - s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0; + s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0; /* 16x16 motion prediction */ s->mv_type = MV_TYPE_16X16; h263_pred_motion(s, 0, 0, &pred_x, &pred_y); mx = h263_decode_motion(s, pred_x, s->f_code); - + if (mx >= 0xffff) return -1; - + my = h263_decode_motion(s, pred_y, s->f_code); - + if (my >= 0xffff) return -1; s->mv[0][0][0] = mx; s->mv[0][0][1] = my; } } else { - s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0; + s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0; s->mv_type = MV_TYPE_8X8; for(i=0;i<4;i++) { mot_val = h263_pred_motion(s, i, 0, &pred_x, &pred_y); mx = h263_decode_motion(s, pred_x, s->f_code); if (mx >= 0xffff) return -1; - + my = h263_decode_motion(s, pred_y, s->f_code); if (my >= 0xffff) return -1; @@ -4293,9 +4293,9 @@ int ff_mpeg4_decode_mb(MpegEncContext *s, 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][0][0]= + s->last_mv[i][0][1]= + s->last_mv[i][1][0]= s->last_mv[i][1][1]= 0; } } @@ -4314,11 +4314,11 @@ int ff_mpeg4_decode_mb(MpegEncContext *s, s->mv[0][0][1] = 0; s->mv[1][0][0] = 0; s->mv[1][0][1] = 0; - s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0; + s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0; goto end; } - modb1= get_bits1(&s->gb); + modb1= get_bits1(&s->gb); if(modb1){ mb_type= MB_TYPE_DIRECT2 | MB_TYPE_SKIP | MB_TYPE_L0L1; //like MB_TYPE_B_DIRECT but no vectors coded cbp=0; @@ -4373,7 +4373,7 @@ int ff_mpeg4_decode_mb(MpegEncContext *s, s->last_mv[0][1][0]= s->last_mv[0][0][0]= s->mv[0][0][0] = mx; s->last_mv[0][1][1]= s->last_mv[0][0][1]= s->mv[0][0][1] = my; } - + if(USES_LIST(mb_type, 1)){ s->mv_dir |= MV_DIR_BACKWARD; @@ -4387,7 +4387,7 @@ int ff_mpeg4_decode_mb(MpegEncContext *s, if(USES_LIST(mb_type, 0)){ s->mv_dir = MV_DIR_FORWARD; - + for(i=0; i<2; i++){ mx = h263_decode_motion(s, s->last_mv[0][i][0] , s->f_code); my = h263_decode_motion(s, s->last_mv[0][i][1]/2, s->f_code); @@ -4395,7 +4395,7 @@ int ff_mpeg4_decode_mb(MpegEncContext *s, s->last_mv[0][i][1]= (s->mv[0][i][1] = my)*2; } } - + if(USES_LIST(mb_type, 1)){ s->mv_dir |= MV_DIR_BACKWARD; @@ -4408,7 +4408,7 @@ int ff_mpeg4_decode_mb(MpegEncContext *s, } } } - + if(IS_DIRECT(mb_type)){ if(IS_SKIP(mb_type)) mx=my=0; @@ -4416,7 +4416,7 @@ int ff_mpeg4_decode_mb(MpegEncContext *s, mx = h263_decode_motion(s, 0, 1); my = h263_decode_motion(s, 0, 1); } - + s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT; mb_type |= ff_mpeg4_set_direct_mv(s, mx, my); } @@ -4438,7 +4438,7 @@ intra: s->current_picture.mb_type[xy]= MB_TYPE_INTRA | MB_TYPE_ACPRED; else s->current_picture.mb_type[xy]= MB_TYPE_INTRA; - + cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1); if(cbpy<0){ av_log(s->avctx, AV_LOG_ERROR, "I cbpy damaged at %d %d\n", s->mb_x, s->mb_y); @@ -4448,7 +4448,7 @@ intra: if (dquant) { ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]); } - + if(!s->progressive_sequence) s->interlaced_dct= get_bits1(&s->gb); @@ -4480,7 +4480,7 @@ end: } } - return SLICE_OK; + return SLICE_OK; } static int h263_decode_motion(MpegEncContext * s, int pred, int f_code) @@ -4515,7 +4515,7 @@ static int h263_decode_motion(MpegEncContext * s, int pred, int f_code) val += 64; if (pred > 32 && val > 63) val -= 64; - + } return val; } @@ -4524,12 +4524,12 @@ static int h263_decode_motion(MpegEncContext * s, int pred, int f_code) static int h263p_decode_umotion(MpegEncContext * s, int pred) { int code = 0, sign; - + if (get_bits1(&s->gb)) /* Motion difference = 0 */ return pred; - + code = 2 + get_bits1(&s->gb); - + while (get_bits1(&s->gb)) { code <<= 1; @@ -4537,12 +4537,12 @@ static int h263p_decode_umotion(MpegEncContext * s, int pred) } sign = code & 1; code >>= 1; - + code = (sign) ? (pred - code) : (pred + code); #ifdef DEBUG av_log( s->avctx, AV_LOG_DEBUG,"H.263+ UMV Motion = %d\n", code); #endif - return code; + return code; } @@ -4559,7 +4559,7 @@ static int h263_decode_block(MpegEncContext * s, DCTELEM * block, rl = &rl_intra_aic; i = 0; if (s->ac_pred) { - if (s->h263_aic_dir) + if (s->h263_aic_dir) scan_table = s->intra_v_scantable.permutated; /* left */ else scan_table = s->intra_h_scantable.permutated; /* top */ @@ -4667,7 +4667,7 @@ retry: break; i++; } -not_coded: +not_coded: if (s->mb_intra && s->h263_aic) { h263_pred_acdc(s, block, n); i = 63; @@ -4686,9 +4686,9 @@ static inline int mpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr) { int level, code; - if (n < 4) + if (n < 4) code = get_vlc2(&s->gb, dc_lum.table, DC_VLC_BITS, 1); - else + else code = get_vlc2(&s->gb, dc_chrom.table, DC_VLC_BITS, 1); if (code < 0 || code > 9 /* && s->nbit<9 */){ av_log(s->avctx, AV_LOG_ERROR, "illegal dc vlc\n"); @@ -4738,7 +4738,7 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block, int qmul, qadd; //Note intra & rvlc should be optimized away if this is inlined - + if(intra) { if(s->qscale < s->intra_dc_threshold){ /* DC coef */ @@ -4756,11 +4756,11 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block, i = 0; }else{ i = -1; - } - if (!coded) + } + if (!coded) goto not_coded; - - if(rvlc){ + + if(rvlc){ rl = &rvlc_rl_intra; rl_vlc = rvlc_rl_intra.rl_vlc[0]; }else{ @@ -4768,7 +4768,7 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block, rl_vlc = rl_intra.rl_vlc[0]; } if (s->ac_pred) { - if (dc_pred_dir == 0) + if (dc_pred_dir == 0) scan_table = s->intra_v_scantable.permutated; /* left */ else scan_table = s->intra_h_scantable.permutated; /* top */ @@ -4785,24 +4785,24 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block, } if(rvlc) rl = &rvlc_rl_inter; else rl = &rl_inter; - + scan_table = s->intra_scantable.permutated; if(s->mpeg_quant){ qmul=1; qadd=0; - if(rvlc){ - rl_vlc = rvlc_rl_inter.rl_vlc[0]; + if(rvlc){ + rl_vlc = rvlc_rl_inter.rl_vlc[0]; }else{ - rl_vlc = rl_inter.rl_vlc[0]; + rl_vlc = rl_inter.rl_vlc[0]; } }else{ qmul = s->qscale << 1; qadd = (s->qscale - 1) | 1; - if(rvlc){ - rl_vlc = rvlc_rl_inter.rl_vlc[s->qscale]; + if(rvlc){ + rl_vlc = rvlc_rl_inter.rl_vlc[s->qscale]; }else{ - rl_vlc = rl_inter.rl_vlc[s->qscale]; + rl_vlc = rl_inter.rl_vlc[s->qscale]; } } } @@ -4812,25 +4812,25 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block, UPDATE_CACHE(re, &s->gb); GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 0); if (level==0) { - /* escape */ + /* escape */ if(rvlc){ if(SHOW_UBITS(re, &s->gb, 1)==0){ av_log(s->avctx, AV_LOG_ERROR, "1. marker bit missing in rvlc esc\n"); return -1; }; SKIP_CACHE(re, &s->gb, 1); - + last= SHOW_UBITS(re, &s->gb, 1); SKIP_CACHE(re, &s->gb, 1); run= SHOW_UBITS(re, &s->gb, 6); LAST_SKIP_CACHE(re, &s->gb, 6); SKIP_COUNTER(re, &s->gb, 1+1+6); UPDATE_CACHE(re, &s->gb); - + if(SHOW_UBITS(re, &s->gb, 1)==0){ av_log(s->avctx, AV_LOG_ERROR, "2. marker bit missing in rvlc esc\n"); return -1; }; SKIP_CACHE(re, &s->gb, 1); - + level= SHOW_UBITS(re, &s->gb, 11); SKIP_CACHE(re, &s->gb, 11); - + if(SHOW_UBITS(re, &s->gb, 5)!=0x10){ av_log(s->avctx, AV_LOG_ERROR, "reverse esc missing\n"); return -1; @@ -4846,7 +4846,7 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block, int cache; cache= GET_CACHE(re, &s->gb); - if(IS_3IV1) + if(IS_3IV1) cache ^= 0xC0000000; if (cache&0x80000000) { @@ -4875,7 +4875,7 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block, SKIP_COUNTER(re, &s->gb, 1+12+1); } - + #if 0 if(s->error_resilience >= FF_ER_COMPLIANT){ const int abs_level= ABS(level); @@ -4965,7 +4965,7 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block, if (intra) { if(s->qscale >= s->intra_dc_threshold){ block[0] = ff_mpeg4_pred_dc(s, n, block[0], &dc_pred_dir, 0); - + if(i == -1) i=0; } @@ -4983,18 +4983,18 @@ int h263_decode_picture_header(MpegEncContext *s) { int format, width, height, i; uint32_t startcode; - + align_get_bits(&s->gb); startcode= get_bits(&s->gb, 22-8); for(i= s->gb.size_in_bits - get_bits_count(&s->gb); i>24; i-=8) { startcode = ((startcode << 8) | get_bits(&s->gb, 8)) & 0x003FFFFF; - + if(startcode == 0x20) break; } - + if (startcode != 0x20) { av_log(s->avctx, AV_LOG_ERROR, "Bad picture start code\n"); return -1; @@ -5006,7 +5006,7 @@ int h263_decode_picture_header(MpegEncContext *s) s->current_picture_ptr->pts= s->picture_number= (s->picture_number&~0xFF) + i; - /* PTYPE starts here */ + /* PTYPE starts here */ if (get_bits1(&s->gb) != 1) { /* marker */ av_log(s->avctx, AV_LOG_ERROR, "Bad marker\n"); @@ -5035,10 +5035,10 @@ int h263_decode_picture_header(MpegEncContext *s) height = h263_format[format][1]; if (!width) return -1; - + s->pict_type = I_TYPE + get_bits1(&s->gb); - s->h263_long_vectors = get_bits1(&s->gb); + s->h263_long_vectors = get_bits1(&s->gb); if (get_bits1(&s->gb) != 0) { av_log(s->avctx, AV_LOG_ERROR, "H263 SAC not supported\n"); @@ -5046,7 +5046,7 @@ int h263_decode_picture_header(MpegEncContext *s) } s->obmc= get_bits1(&s->gb); /* Advanced prediction mode */ s->unrestricted_mv = s->h263_long_vectors || s->obmc; - + if (get_bits1(&s->gb) != 0) { av_log(s->avctx, AV_LOG_ERROR, "H263 PB frame not supported\n"); return -1; /* not PB frame */ @@ -5060,14 +5060,14 @@ int h263_decode_picture_header(MpegEncContext *s) s->avctx->time_base= (AVRational){1001, 30000}; } else { int ufep; - + /* H.263v2 */ s->h263_plus = 1; ufep = get_bits(&s->gb, 3); /* Update Full Extended PTYPE */ - /* ufep other than 0 and 1 are reserved */ + /* ufep other than 0 and 1 are reserved */ if (ufep == 1) { - /* OPPTYPE */ + /* OPPTYPE */ format = get_bits(&s->gb, 3); dprintf("ufep=1, format: %d\n", format); s->custom_pcf= get_bits1(&s->gb); @@ -5079,7 +5079,7 @@ int h263_decode_picture_header(MpegEncContext *s) s->h263_aic = get_bits1(&s->gb); /* Advanced Intra Coding (AIC) */ s->loop_filter= get_bits1(&s->gb); s->unrestricted_mv = s->umvplus || s->obmc || s->loop_filter; - + s->h263_slice_structured= get_bits1(&s->gb); if (get_bits1(&s->gb) != 0) { av_log(s->avctx, AV_LOG_ERROR, "Reference Picture Selection not supported\n"); @@ -5091,7 +5091,7 @@ int h263_decode_picture_header(MpegEncContext *s) s->modified_quant= get_bits1(&s->gb); if(s->modified_quant) s->chroma_qscale_table= ff_h263_chroma_qscale_table; - + skip_bits(&s->gb, 1); /* Prevent start code emulation */ skip_bits(&s->gb, 3); /* Reserved */ @@ -5099,7 +5099,7 @@ int h263_decode_picture_header(MpegEncContext *s) av_log(s->avctx, AV_LOG_ERROR, "Bad UFEP type (%d)\n", ufep); return -1; } - + /* MPPTYPE */ s->pict_type = get_bits(&s->gb, 3); switch(s->pict_type){ @@ -5113,7 +5113,7 @@ int h263_decode_picture_header(MpegEncContext *s) skip_bits(&s->gb, 2); s->no_rounding = get_bits1(&s->gb); skip_bits(&s->gb, 4); - + /* Get the picture dimensions */ if (ufep) { if (format == 6) { @@ -5167,7 +5167,7 @@ int h263_decode_picture_header(MpegEncContext *s) s->avctx->time_base= (AVRational){1001, 30000}; } } - + if(s->custom_pcf){ skip_bits(&s->gb, 2); //extended Temporal reference } @@ -5175,7 +5175,7 @@ int h263_decode_picture_header(MpegEncContext *s) if (ufep) { if (s->umvplus) { if(get_bits1(&s->gb)==0) /* Unlimited Unrestricted Motion Vectors Indicator (UUI) */ - skip_bits1(&s->gb); + skip_bits1(&s->gb); } if(s->h263_slice_structured){ if (get_bits1(&s->gb) != 0) { @@ -5186,7 +5186,7 @@ int h263_decode_picture_header(MpegEncContext *s) } } } - + s->qscale = get_bits(&s->gb, 5); } @@ -5213,9 +5213,9 @@ int h263_decode_picture_header(MpegEncContext *s) } } s->f_code = 1; - + if(s->h263_aic){ - s->y_dc_scale_table= + s->y_dc_scale_table= s->c_dc_scale_table= ff_aic_dc_scale_table; }else{ s->y_dc_scale_table= @@ -5223,7 +5223,7 @@ int h263_decode_picture_header(MpegEncContext *s) } if(s->avctx->debug&FF_DEBUG_PICT_INFO){ - av_log(s->avctx, AV_LOG_DEBUG, "qp:%d %c size:%d rnd:%d%s%s%s%s%s%s%s%s%s %d/%d\n", + av_log(s->avctx, AV_LOG_DEBUG, "qp:%d %c size:%d rnd:%d%s%s%s%s%s%s%s%s%s %d/%d\n", s->qscale, av_get_pict_type_char(s->pict_type), s->gb.size_in_bits, 1-s->no_rounding, s->obmc ? " AP" : "", @@ -5236,7 +5236,7 @@ int h263_decode_picture_header(MpegEncContext *s) s->loop_filter ? " LOOP" : "", s->h263_slice_structured ? " SS" : "", s->avctx->time_base.den, s->avctx->time_base.num - ); + ); } #if 1 if (s->pict_type == I_TYPE && s->avctx->codec_tag == ff_get_fourcc("ZYGO")){ @@ -5283,7 +5283,7 @@ static void mpeg4_decode_sprite_trajectory(MpegEncContext * s, GetBitContext *gb x= get_xbits(gb, length); } if(!(s->divx_version==500 && s->divx_build==413)) skip_bits1(gb); /* marker bit */ - + length= get_vlc(gb, &sprite_trajectory); if(length){ y=get_xbits(gb, length); @@ -5317,20 +5317,20 @@ static void mpeg4_decode_sprite_trajectory(MpegEncContext * s, GetBitContext *gb } /* sprite_ref[3][0]= (a>>1)*(2*vop_ref[3][0] + d[0][0] + d[1][0] + d[2][0] + d[3][0]); sprite_ref[3][1]= (a>>1)*(2*vop_ref[3][1] + d[0][1] + d[1][1] + d[2][1] + d[3][1]); */ - + // this is mostly identical to the mpeg4 std (and is totally unreadable because of that ...) // perhaps it should be reordered to be more readable ... // the idea behind this virtual_ref mess is to be able to use shifts later per pixel instead of divides // so the distance between points is converted from w&h based to w2&h2 based which are of the 2^x form - virtual_ref[0][0]= 16*(vop_ref[0][0] + w2) + virtual_ref[0][0]= 16*(vop_ref[0][0] + w2) + ROUNDED_DIV(((w - w2)*(r*sprite_ref[0][0] - 16*vop_ref[0][0]) + w2*(r*sprite_ref[1][0] - 16*vop_ref[1][0])),w); - virtual_ref[0][1]= 16*vop_ref[0][1] + virtual_ref[0][1]= 16*vop_ref[0][1] + ROUNDED_DIV(((w - w2)*(r*sprite_ref[0][1] - 16*vop_ref[0][1]) + w2*(r*sprite_ref[1][1] - 16*vop_ref[1][1])),w); - virtual_ref[1][0]= 16*vop_ref[0][0] + virtual_ref[1][0]= 16*vop_ref[0][0] + ROUNDED_DIV(((h - h2)*(r*sprite_ref[0][0] - 16*vop_ref[0][0]) + h2*(r*sprite_ref[2][0] - 16*vop_ref[2][0])),h); - virtual_ref[1][1]= 16*(vop_ref[0][1] + h2) + virtual_ref[1][1]= 16*(vop_ref[0][1] + h2) + ROUNDED_DIV(((h - h2)*(r*sprite_ref[0][1] - 16*vop_ref[0][1]) + h2*(r*sprite_ref[2][1] - 16*vop_ref[2][1])),h); - + switch(s->num_sprite_warping_points) { case 0: @@ -5368,19 +5368,19 @@ static void mpeg4_decode_sprite_trajectory(MpegEncContext * s, GetBitContext *gb + (1<<(alpha+rho-1)); s->sprite_offset[1][0]= ( (-r*sprite_ref[0][0] + virtual_ref[0][0])*(-2*vop_ref[0][0] + 1) +( r*sprite_ref[0][1] - virtual_ref[0][1])*(-2*vop_ref[0][1] + 1) - +2*w2*r*sprite_ref[0][0] - - 16*w2 + +2*w2*r*sprite_ref[0][0] + - 16*w2 + (1<<(alpha+rho+1))); - s->sprite_offset[1][1]= ( (-r*sprite_ref[0][1] + virtual_ref[0][1])*(-2*vop_ref[0][0] + 1) + s->sprite_offset[1][1]= ( (-r*sprite_ref[0][1] + virtual_ref[0][1])*(-2*vop_ref[0][0] + 1) +(-r*sprite_ref[0][0] + virtual_ref[0][0])*(-2*vop_ref[0][1] + 1) - +2*w2*r*sprite_ref[0][1] + +2*w2*r*sprite_ref[0][1] - 16*w2 + (1<<(alpha+rho+1))); s->sprite_delta[0][0]= (-r*sprite_ref[0][0] + virtual_ref[0][0]); s->sprite_delta[0][1]= (+r*sprite_ref[0][1] - virtual_ref[0][1]); s->sprite_delta[1][0]= (-r*sprite_ref[0][1] + virtual_ref[0][1]); s->sprite_delta[1][1]= (-r*sprite_ref[0][0] + virtual_ref[0][0]); - + s->sprite_shift[0]= alpha+rho; s->sprite_shift[1]= alpha+rho+2; break; @@ -5410,12 +5410,12 @@ static void mpeg4_decode_sprite_trajectory(MpegEncContext * s, GetBitContext *gb s->sprite_delta[0][1]= (-r*sprite_ref[0][0] + virtual_ref[1][0])*w3; s->sprite_delta[1][0]= (-r*sprite_ref[0][1] + virtual_ref[0][1])*h3; s->sprite_delta[1][1]= (-r*sprite_ref[0][1] + virtual_ref[1][1])*w3; - + s->sprite_shift[0]= alpha + beta + rho - min_ab; s->sprite_shift[1]= alpha + beta + rho - min_ab + 2; break; } - /* try to simplify the situation */ + /* try to simplify the situation */ if( s->sprite_delta[0][0] == a<<s->sprite_shift[0] && s->sprite_delta[0][1] == 0 && s->sprite_delta[1][0] == 0 @@ -5451,13 +5451,13 @@ printf("vop:%d:%d %d:%d %d:%d, sprite:%d:%d %d:%d %d:%d, virtual: %d:%d %d:%d\n" vop_ref[0][0], vop_ref[0][1], vop_ref[1][0], vop_ref[1][1], vop_ref[2][0], vop_ref[2][1], - sprite_ref[0][0], sprite_ref[0][1], - sprite_ref[1][0], sprite_ref[1][1], - sprite_ref[2][0], sprite_ref[2][1], - virtual_ref[0][0], virtual_ref[0][1], + sprite_ref[0][0], sprite_ref[0][1], + sprite_ref[1][0], sprite_ref[1][1], + sprite_ref[2][0], sprite_ref[2][1], + virtual_ref[0][0], virtual_ref[0][1], virtual_ref[1][0], virtual_ref[1][1] ); - + printf("offset: %d:%d , delta: %d %d %d %d, shift %d\n", s->sprite_offset[0][0], s->sprite_offset[0][1], s->sprite_delta[0][0], s->sprite_delta[0][1], @@ -5479,7 +5479,7 @@ static int mpeg4_decode_gop_header(MpegEncContext * s, GetBitContext *gb){ skip_bits1(gb); skip_bits1(gb); - + return 0; } @@ -5497,7 +5497,7 @@ static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){ } //printf("vo type:%d\n",s->vo_type); s->aspect_ratio_info= get_bits(gb, 4); - if(s->aspect_ratio_info == FF_ASPECT_EXTENDED){ + if(s->aspect_ratio_info == FF_ASPECT_EXTENDED){ s->avctx->sample_aspect_ratio.num= get_bits(gb, 8); // par_width s->avctx->sample_aspect_ratio.den= get_bits(gb, 8); // par_height }else{ @@ -5521,7 +5521,7 @@ static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){ get_bits(gb, 11); /* first_half_vbv_occupancy */ skip_bits1(gb); /* marker */ get_bits(gb, 15); /* latter_half_vbv_occupancy */ - skip_bits1(gb); /* marker */ + skip_bits1(gb); /* marker */ } }else{ // set low delay flag only once the smartest? low delay detection won't be overriden @@ -5537,17 +5537,17 @@ static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){ } check_marker(gb, "before time_increment_resolution"); - + s->avctx->time_base.den = get_bits(gb, 16); if(!s->avctx->time_base.den){ av_log(s->avctx, AV_LOG_ERROR, "time_base.den==0\n"); return -1; } - + s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1; if (s->time_increment_bits < 1) s->time_increment_bits = 1; - + check_marker(gb, "before fixed_vop_rate"); if (get_bits1(gb) != 0) { /* fixed_vop_rate */ @@ -5570,10 +5570,10 @@ static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){ // printf("width/height: %d %d\n", width, height); } } - - s->progressive_sequence= + + s->progressive_sequence= s->progressive_frame= get_bits1(gb)^1; - if(!get_bits1(gb) && (s->avctx->debug & FF_DEBUG_PICT_INFO)) + if(!get_bits1(gb) && (s->avctx->debug & FF_DEBUG_PICT_INFO)) av_log(s->avctx, AV_LOG_INFO, "MPEG4 OBMC not supported (very likely buggy encoder)\n"); /* OBMC Disable */ if (vo_ver_id == 1) { s->vol_sprite_usage = get_bits1(gb); /* vol_sprite_usage */ @@ -5596,10 +5596,10 @@ static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){ s->sprite_warping_accuracy = get_bits(gb, 2); s->sprite_brightness_change= get_bits1(gb); if(s->vol_sprite_usage==STATIC_SPRITE) - s->low_latency_sprite= get_bits1(gb); + s->low_latency_sprite= get_bits1(gb); } // FIXME sadct disable bit if verid!=1 && shape not rect - + if (get_bits1(gb) == 1) { /* not_8_bit */ s->quant_precision = get_bits(gb, 4); /* quant_precision */ if(get_bits(gb, 4)!=8) av_log(s->avctx, AV_LOG_ERROR, "N-bit not supported\n"); /* bits_per_pixel */ @@ -5607,19 +5607,19 @@ static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){ } else { s->quant_precision = 5; } - + // FIXME a bunch of grayscale shape things if((s->mpeg_quant=get_bits1(gb))){ /* vol_quant_type */ int i, v; - + /* load default matrixes */ for(i=0; i<64; i++){ int j= s->dsp.idct_permutation[i]; v= ff_mpeg4_default_intra_matrix[i]; s->intra_matrix[j]= v; s->chroma_intra_matrix[j]= v; - + v= ff_mpeg4_default_non_intra_matrix[i]; s->inter_matrix[j]= v; s->chroma_inter_matrix[j]= v; @@ -5632,7 +5632,7 @@ static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){ int j; v= get_bits(gb, 8); if(v==0) break; - + last= v; j= s->dsp.idct_permutation[ ff_zigzag_direct[i] ]; s->intra_matrix[j]= v; @@ -5684,7 +5684,7 @@ static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){ if(s->data_partitioning){ s->rvlc= get_bits1(gb); } - + if(vo_ver_id != 1) { s->new_pred= get_bits1(gb); if(s->new_pred){ @@ -5710,7 +5710,7 @@ static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){ int h_sampling_factor_m; int v_sampling_factor_n; int v_sampling_factor_m; - + s->hierachy_type= get_bits1(gb); ref_layer_id= get_bits(gb, 4); ref_layer_sampling_dir= get_bits1(gb); @@ -5719,17 +5719,17 @@ static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){ v_sampling_factor_n= get_bits(gb, 5); v_sampling_factor_m= get_bits(gb, 5); s->enhancement_type= get_bits1(gb); - - if( h_sampling_factor_n==0 || h_sampling_factor_m==0 + + if( h_sampling_factor_n==0 || h_sampling_factor_m==0 || v_sampling_factor_n==0 || v_sampling_factor_m==0){ - + // fprintf(stderr, "illegal scalability header (VERY broken encoder), trying to workaround\n"); s->scalability=0; - + *gb= bak; }else av_log(s->avctx, AV_LOG_ERROR, "scalability not supported\n"); - + // bin shape stuff FIXME } } @@ -5762,11 +5762,11 @@ static int decode_user_data(MpegEncContext *s, GetBitContext *gb){ s->divx_build= build; s->divx_packed= e==3 && last=='p'; } - + /* ffmpeg detection */ e=sscanf(buf, "FFmpe%*[^b]b%d", &build)+3; if(e!=4) - e=sscanf(buf, "FFmpeg v%d.%d.%d / libavcodec build: %d", &ver, &ver2, &ver3, &build); + e=sscanf(buf, "FFmpeg v%d.%d.%d / libavcodec build: %d", &ver, &ver2, &ver3, &build); if(e!=4){ e=sscanf(buf, "Lavc%d.%d.%d", &ver, &ver2, &ver3)+1; if (e>1) @@ -5780,7 +5780,7 @@ static int decode_user_data(MpegEncContext *s, GetBitContext *gb){ if(e==4){ s->lavc_build= build; } - + /* xvid detection */ e=sscanf(buf, "XviD%d", &build); if(e==1){ @@ -5799,7 +5799,7 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){ av_log(s->avctx, AV_LOG_ERROR, "low_delay flag incorrectly, clearing it\n"); s->low_delay=0; } - + s->partitioned_frame= s->data_partitioning && s->pict_type!=B_TYPE; if(s->partitioned_frame) s->decode_mb= mpeg4_decode_partitioned_mb; @@ -5807,7 +5807,7 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){ s->decode_mb= ff_mpeg4_decode_mb; time_incr=0; - while (get_bits1(gb) != 0) + while (get_bits1(gb) != 0) time_incr++; check_marker(gb, "before time_increment"); @@ -5821,10 +5821,10 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){ av_log(s->avctx, AV_LOG_ERROR, "my guess is %d bits ;)\n",s->time_increment_bits); } - + if(IS_3IV1) time_increment= get_bits1(gb); //FIXME investigate further else time_increment= get_bits(gb, s->time_increment_bits); - + // printf("%d %X\n", s->time_increment_bits, time_increment); //av_log(s->avctx, AV_LOG_DEBUG, " type:%d modulo_time_base:%d increment:%d t_frame %d\n", s->pict_type, time_incr, time_increment, s->t_frame); if(s->pict_type!=B_TYPE){ @@ -5847,16 +5847,16 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){ // printf("messed up order, maybe after seeking? skipping current b frame\n"); return FRAME_SKIPPED; } - + if(s->t_frame==0) s->t_frame= s->pb_time; if(s->t_frame==0) s->t_frame=1; // 1/0 protection - s->pp_field_time= ( ROUNDED_DIV(s->last_non_b_time, s->t_frame) + s->pp_field_time= ( ROUNDED_DIV(s->last_non_b_time, s->t_frame) - ROUNDED_DIV(s->last_non_b_time - s->pp_time, s->t_frame))*2; - s->pb_field_time= ( ROUNDED_DIV(s->time, s->t_frame) + s->pb_field_time= ( ROUNDED_DIV(s->time, s->t_frame) - ROUNDED_DIV(s->last_non_b_time - s->pp_time, s->t_frame))*2; } //av_log(s->avctx, AV_LOG_DEBUG, "last nonb %Ld last_base %d time %Ld pp %d pb %d t %d ppf %d pbf %d\n", s->last_non_b_time, s->last_time_base, s->time, s->pp_time, s->pb_time, s->t_frame, s->pp_field_time, s->pb_field_time); - + if(s->avctx->time_base.num) s->current_picture_ptr->pts= (s->time + s->avctx->time_base.num/2) / s->avctx->time_base.num; else @@ -5865,7 +5865,7 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){ av_log(s->avctx, AV_LOG_DEBUG, "MPEG4 PTS: %"PRId64"\n", s->current_picture_ptr->pts); check_marker(gb, "before vop_coded"); - + /* vop coded */ if (get_bits1(gb) != 1){ if(s->avctx->debug&FF_DEBUG_PICT_INFO) @@ -5873,7 +5873,7 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){ return FRAME_SKIPPED; } //printf("time %d %d %d || %Ld %Ld %Ld\n", s->time_increment_bits, s->avctx->time_base.den, s->time_base, -//s->time, s->last_non_b_time, s->last_non_b_time - s->pp_time); +//s->time, s->last_non_b_time, s->last_non_b_time - s->pp_time); if (s->shape != BIN_ONLY_SHAPE && ( s->pict_type == P_TYPE || (s->pict_type == S_TYPE && s->vol_sprite_usage==GMC_SPRITE))) { /* rounding type for motion estimation */ @@ -5886,7 +5886,7 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){ if (s->shape != RECT_SHAPE) { if (s->vol_sprite_usage != 1 || s->pict_type != I_TYPE) { int width, height, hor_spat_ref, ver_spat_ref; - + width = get_bits(gb, 13); skip_bits1(gb); /* marker */ height = get_bits(gb, 13); @@ -5896,13 +5896,13 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){ ver_spat_ref = get_bits(gb, 13); /* ver_spat_ref */ } skip_bits1(gb); /* change_CR_disable */ - + if (get_bits1(gb) != 0) { skip_bits(gb, 8); /* constant_alpha_value */ } } //FIXME complexity estimation stuff - + if (s->shape != BIN_ONLY_SHAPE) { s->intra_dc_threshold= mpeg4_dc_threshold[ get_bits(gb, 3) ]; if(!s->progressive_sequence){ @@ -5923,7 +5923,7 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){ ff_init_scantable(s->dsp.idct_permutation, &s->intra_h_scantable, ff_alternate_horizontal_scan); ff_init_scantable(s->dsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan); } - + if(s->pict_type == S_TYPE && (s->vol_sprite_usage==STATIC_SPRITE || s->vol_sprite_usage==GMC_SPRITE)){ mpeg4_decode_sprite_trajectory(s, gb); if(s->sprite_brightness_change) av_log(s->avctx, AV_LOG_ERROR, "sprite_brightness_change not supported\n"); @@ -5936,7 +5936,7 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){ av_log(s->avctx, AV_LOG_ERROR, "Error, header damaged or not MPEG4 header (qscale=0)\n"); return -1; // makes no sense to continue, as there is nothing left from the image then } - + if (s->pict_type != I_TYPE) { s->f_code = get_bits(gb, 3); /* fcode_for */ if(s->f_code==0){ @@ -5945,19 +5945,19 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){ } }else s->f_code=1; - + if (s->pict_type == B_TYPE) { s->b_code = get_bits(gb, 3); }else s->b_code=1; if(s->avctx->debug&FF_DEBUG_PICT_INFO){ - av_log(s->avctx, AV_LOG_DEBUG, "qp:%d fc:%d,%d %s size:%d pro:%d alt:%d top:%d %spel part:%d resync:%d w:%d a:%d rnd:%d vot:%d%s dc:%d\n", - s->qscale, s->f_code, s->b_code, - s->pict_type == I_TYPE ? "I" : (s->pict_type == P_TYPE ? "P" : (s->pict_type == B_TYPE ? "B" : "S")), - gb->size_in_bits,s->progressive_sequence, s->alternate_scan, s->top_field_first, + av_log(s->avctx, AV_LOG_DEBUG, "qp:%d fc:%d,%d %s size:%d pro:%d alt:%d top:%d %spel part:%d resync:%d w:%d a:%d rnd:%d vot:%d%s dc:%d\n", + s->qscale, s->f_code, s->b_code, + s->pict_type == I_TYPE ? "I" : (s->pict_type == P_TYPE ? "P" : (s->pict_type == B_TYPE ? "B" : "S")), + gb->size_in_bits,s->progressive_sequence, s->alternate_scan, s->top_field_first, s->quarter_sample ? "q" : "h", s->data_partitioning, s->resync_marker, s->num_sprite_warping_points, - s->sprite_warping_accuracy, 1-s->no_rounding, s->vo_type, s->vol_control_parameters ? " VOLC" : " ", s->intra_dc_threshold); + s->sprite_warping_accuracy, 1-s->no_rounding, s->vo_type, s->vol_control_parameters ? " VOLC" : " ", s->intra_dc_threshold); } if(!s->scalability){ @@ -5983,7 +5983,7 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){ s->picture_number++; // better than pic number==0 always ;) - s->y_dc_scale_table= ff_mpeg4_y_dc_scale_table; //FIXME add short header support + s->y_dc_scale_table= ff_mpeg4_y_dc_scale_table; //FIXME add short header support s->c_dc_scale_table= ff_mpeg4_c_dc_scale_table; if(s->workaround_bugs&FF_BUG_EDGE){ @@ -6028,7 +6028,7 @@ int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb) if((startcode&0xFFFFFF00) != 0x100) continue; //no startcode - + if(s->avctx->debug&FF_DEBUG_STARTCODE){ av_log(s->avctx, AV_LOG_DEBUG, "startcode: %3X ", startcode); if (startcode<=0x11F) av_log(s->avctx, AV_LOG_DEBUG, "Video Object Start"); @@ -6062,7 +6062,7 @@ int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb) } if(startcode >= 0x120 && startcode <= 0x12F){ - if(decode_vol_header(s, gb) < 0) + if(decode_vol_header(s, gb) < 0) return -1; } else if(startcode == USER_DATA_STARTCODE){ @@ -6112,8 +6112,8 @@ int intel_h263_decode_picture_header(MpegEncContext *s) s->h263_plus = 0; s->pict_type = I_TYPE + get_bits1(&s->gb); - - s->unrestricted_mv = get_bits1(&s->gb); + + s->unrestricted_mv = get_bits1(&s->gb); s->h263_long_vectors = s->unrestricted_mv; if (get_bits1(&s->gb) != 0) { @@ -6207,7 +6207,7 @@ int flv_h263_decode_picture_header(MpegEncContext *s) s->dropable= s->pict_type > P_TYPE; if (s->dropable) s->pict_type = P_TYPE; - + skip_bits1(&s->gb); /* deblocking flag */ s->chroma_qscale= s->qscale = get_bits(&s->gb, 5); @@ -6226,7 +6226,7 @@ int flv_h263_decode_picture_header(MpegEncContext *s) av_log(s->avctx, AV_LOG_DEBUG, "%c esc_type:%d, qp:%d num:%d\n", s->dropable ? 'D' : av_get_pict_type_char(s->pict_type), s->h263_flv-1, s->qscale, s->picture_number); } - + s->y_dc_scale_table= s->c_dc_scale_table= ff_mpeg1_dc_scale_table; |