diff options
author | Diego Biurrun <diego@biurrun.de> | 2005-12-17 18:14:38 +0000 |
---|---|---|
committer | Diego Biurrun <diego@biurrun.de> | 2005-12-17 18:14:38 +0000 |
commit | 115329f16062074e11ccf3b89ead6176606c9696 (patch) | |
tree | e98aa993905a702688bf821737ab9a443969fc28 /libavcodec/mpeg12.c | |
parent | d76319b1ab716320f6e6a4d690b85fe4504ebd5b (diff) | |
download | ffmpeg-115329f16062074e11ccf3b89ead6176606c9696.tar.gz |
COSMETICS: Remove all trailing whitespace.
Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mpeg12.c')
-rw-r--r-- | libavcodec/mpeg12.c | 456 |
1 files changed, 228 insertions, 228 deletions
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c index a97b8bbaa1..2401edfd43 100644 --- a/libavcodec/mpeg12.c +++ b/libavcodec/mpeg12.c @@ -1,7 +1,7 @@ /* * MPEG1 codec / MPEG2 decoder * Copyright (c) 2000,2001 Fabrice Bellard. - * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> + * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -17,12 +17,12 @@ * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - + /** * @file mpeg12.c * MPEG1/2 codec */ - + //#define DEBUG #include "avcodec.h" #include "dsputil.h" @@ -53,23 +53,23 @@ #define TEX_VLC_BITS 9 #ifdef CONFIG_ENCODERS -static void mpeg1_encode_block(MpegEncContext *s, - DCTELEM *block, +static void mpeg1_encode_block(MpegEncContext *s, + DCTELEM *block, int component); static void mpeg1_encode_motion(MpegEncContext *s, int val, int f_or_b_code); // RAL: f_code parameter added #endif //CONFIG_ENCODERS -static inline int mpeg1_decode_block_inter(MpegEncContext *s, - DCTELEM *block, +static inline int mpeg1_decode_block_inter(MpegEncContext *s, + DCTELEM *block, int n); -static inline int mpeg1_decode_block_intra(MpegEncContext *s, - DCTELEM *block, +static inline int mpeg1_decode_block_intra(MpegEncContext *s, + DCTELEM *block, int n); static inline int mpeg1_fast_decode_block_inter(MpegEncContext *s, DCTELEM *block, int n); -static inline int mpeg2_decode_block_non_intra(MpegEncContext *s, - DCTELEM *block, +static inline int mpeg2_decode_block_non_intra(MpegEncContext *s, + DCTELEM *block, int n); -static inline int mpeg2_decode_block_intra(MpegEncContext *s, - DCTELEM *block, +static inline int mpeg2_decode_block_intra(MpegEncContext *s, + DCTELEM *block, int n); static inline int mpeg2_fast_decode_block_non_intra(MpegEncContext *s, DCTELEM *block, int n); static inline int mpeg2_fast_decode_block_intra(MpegEncContext *s, DCTELEM *block, int n); @@ -108,12 +108,12 @@ static int8_t mpeg1_max_level[2][64]; static void init_2d_vlc_rl(RLTable *rl, int use_static) { int i; - - init_vlc(&rl->vlc, TEX_VLC_BITS, rl->n + 2, + + init_vlc(&rl->vlc, TEX_VLC_BITS, rl->n + 2, &rl->table_vlc[0][1], 4, 2, &rl->table_vlc[0][0], 4, 2, use_static); - if(use_static) + if(use_static) rl->rl_vlc[0]= av_mallocz_static(rl->vlc.table_size*sizeof(RL_VLC_ELEM)); else rl->rl_vlc[0]= av_malloc(rl->vlc.table_size*sizeof(RL_VLC_ELEM)); @@ -122,7 +122,7 @@ static void init_2d_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= 65; level= MAX_LEVEL; @@ -156,7 +156,7 @@ static void init_uni_ac_vlc(RLTable *rl, uint32_t *uni_ac_vlc_bits, uint8_t *uni int run; for(run=0; run<64; run++){ int len, bits, code; - + int alevel= ABS(level); int sign= (level>>31)&1; @@ -232,7 +232,7 @@ static int encode_init(AVCodecContext *avctx) av_log(avctx, AV_LOG_INFO, "MPEG1/2 does not support %d/%d fps, there may be AV sync issues\n", avctx->time_base.den, avctx->time_base.num); } } - + return 0; } @@ -253,36 +253,36 @@ static void mpeg1_encode_sequence_header(MpegEncContext *s) float best_aspect_error= 1E10; float aspect_ratio= av_q2d(s->avctx->sample_aspect_ratio); int constraint_parameter_flag; - + if(aspect_ratio==0.0) aspect_ratio= 1.0; //pixel aspect 1:1 (VGA) - + if (s->current_picture.key_frame) { AVRational framerate= frame_rate_tab[s->frame_rate_index]; /* mpeg1 header repeated every gop */ put_header(s, SEQ_START_CODE); - + put_bits(&s->pb, 12, s->width); put_bits(&s->pb, 12, s->height); - + for(i=1; i<15; i++){ float error= aspect_ratio; if(s->codec_id == CODEC_ID_MPEG1VIDEO || i <=1) error-= 1.0/mpeg1_aspect[i]; else error-= av_q2d(mpeg2_aspect[i])*s->height/s->width; - + error= ABS(error); - + if(error < best_aspect_error){ best_aspect_error= error; s->aspect_ratio_info= i; } } - + put_bits(&s->pb, 4, s->aspect_ratio_info); put_bits(&s->pb, 4, s->frame_rate_index); - + if(s->avctx->rc_max_rate){ v = (s->avctx->rc_max_rate + 399) / 400; if (v > 0x3ffff && s->codec_id == CODEC_ID_MPEG1VIDEO) @@ -302,8 +302,8 @@ static void mpeg1_encode_sequence_header(MpegEncContext *s) put_bits(&s->pb, 1, 1); /* marker */ put_bits(&s->pb, 10, vbv_buffer_size & 0x3FF); - constraint_parameter_flag= - s->width <= 768 && s->height <= 576 && + constraint_parameter_flag= + s->width <= 768 && s->height <= 576 && s->mb_width * s->mb_height <= 396 && s->mb_width * s->mb_height * framerate.num <= framerate.den*396*25 && framerate.num <= framerate.den*30 && @@ -311,9 +311,9 @@ static void mpeg1_encode_sequence_header(MpegEncContext *s) vbv_buffer_size <= 20 && v <= 1856000/400 && s->codec_id == CODEC_ID_MPEG1VIDEO; - + put_bits(&s->pb, 1, constraint_parameter_flag); - + ff_write_quant_matrix(&s->pb, s->avctx->intra_matrix); ff_write_quant_matrix(&s->pb, s->avctx->inter_matrix); @@ -321,7 +321,7 @@ static void mpeg1_encode_sequence_header(MpegEncContext *s) put_header(s, EXT_START_CODE); put_bits(&s->pb, 4, 1); //seq ext put_bits(&s->pb, 1, 0); //esc - + if(s->avctx->profile == FF_PROFILE_UNKNOWN){ put_bits(&s->pb, 3, 4); //profile }else{ @@ -345,7 +345,7 @@ static void mpeg1_encode_sequence_header(MpegEncContext *s) put_bits(&s->pb, 2, 0); // frame_rate_ext_n put_bits(&s->pb, 5, 0); // frame_rate_ext_d } - + put_header(s, GOP_START_CODE); put_bits(&s->pb, 1, 0); /* do drop frame */ /* time code : we must convert from the real frame rate to a @@ -369,7 +369,7 @@ static inline void encode_mb_skip_run(MpegEncContext *s, int run){ put_bits(&s->pb, 11, 0x008); run -= 33; } - put_bits(&s->pb, mbAddrIncrTable[run][1], + put_bits(&s->pb, mbAddrIncrTable[run][1], mbAddrIncrTable[run][0]); } #endif //CONFIG_ENCODERS @@ -406,13 +406,13 @@ void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number) /* temporal reference */ // RAL: s->picture_number instead of s->fake_picture_number - put_bits(&s->pb, 10, (s->picture_number - - s->gop_picture_number) & 0x3ff); + put_bits(&s->pb, 10, (s->picture_number - + s->gop_picture_number) & 0x3ff); put_bits(&s->pb, 3, s->pict_type); s->vbv_delay_ptr= s->pb.buf + put_bits_count(&s->pb)/8; put_bits(&s->pb, 16, 0xFFFF); /* vbv_delay */ - + // RAL: Forward f_code also needed for B frames if (s->pict_type == P_TYPE || s->pict_type == B_TYPE) { put_bits(&s->pb, 1, 0); /* half pel coordinates */ @@ -421,7 +421,7 @@ void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number) else put_bits(&s->pb, 3, 7); /* forward_f_code */ } - + // RAL: Backward f_code necessary for B frames if (s->pict_type == B_TYPE) { put_bits(&s->pb, 1, 0); /* half pel coordinates */ @@ -450,7 +450,7 @@ void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number) put_bits(&s->pb, 8, 255); } put_bits(&s->pb, 2, s->intra_dc_precision); - + assert(s->picture_structure == PICT_FRAME); put_bits(&s->pb, 2, s->picture_structure); if (s->progressive_sequence) { @@ -461,7 +461,7 @@ void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number) /* XXX: optimize the generation of this flag with entropy measures */ s->frame_pred_frame_dct = s->progressive_sequence; - + put_bits(&s->pb, 1, s->frame_pred_frame_dct); put_bits(&s->pb, 1, s->concealment_motion_vectors); put_bits(&s->pb, 1, s->q_scale_type); @@ -481,17 +481,17 @@ void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number) put_bits(&s->pb, 8, svcd_scan_offset_placeholder[i]); } } - + s->mb_y=0; ff_mpeg1_encode_slice_header(s); } -static inline void put_mb_modes(MpegEncContext *s, int n, int bits, +static inline void put_mb_modes(MpegEncContext *s, int n, int bits, int has_mv, int field_motion) { put_bits(&s->pb, n, bits); if (!s->frame_pred_frame_dct) { - if (has_mv) + if (has_mv) put_bits(&s->pb, 2, 2 - field_motion); /* motion_type: frame/field */ put_bits(&s->pb, 1, s->interlaced_dct); } @@ -512,9 +512,9 @@ void mpeg1_encode_mb(MpegEncContext *s, if (s->block_last_index[i] >= 0) cbp |= 1 << (5 - i); } - + if (cbp == 0 && !first_mb && s->mv_type == MV_TYPE_16X16 && - (mb_x != s->mb_width - 1 || (mb_y != s->mb_height - 1 && s->codec_id == CODEC_ID_MPEG1VIDEO)) && + (mb_x != s->mb_width - 1 || (mb_y != s->mb_height - 1 && s->codec_id == CODEC_ID_MPEG1VIDEO)) && ((s->pict_type == P_TYPE && (motion_x | motion_y) == 0) || (s->pict_type == B_TYPE && s->mv_dir == s->last_mv_dir && (((s->mv_dir & MV_DIR_FORWARD) ? ((s->mv[0][0][0] - s->last_mv[0][0][0])|(s->mv[0][0][1] - s->last_mv[0][0][1])) : 0) | ((s->mv_dir & MV_DIR_BACKWARD) ? ((s->mv[1][0][0] - s->last_mv[1][0][0])|(s->mv[1][0][1] - s->last_mv[1][0][1])) : 0)) == 0))) { @@ -524,7 +524,7 @@ void mpeg1_encode_mb(MpegEncContext *s, s->misc_bits++; s->last_bits++; if(s->pict_type == P_TYPE){ - s->last_mv[0][1][0]= s->last_mv[0][0][0]= + s->last_mv[0][1][0]= s->last_mv[0][0][0]= s->last_mv[0][1][1]= s->last_mv[0][0][1]= 0; } } else { @@ -534,7 +534,7 @@ void mpeg1_encode_mb(MpegEncContext *s, }else{ encode_mb_skip_run(s, s->mb_skip_run); } - + if (s->pict_type == I_TYPE) { if(s->dquant && cbp){ put_mb_modes(s, 2, 1, 0, 0); /* macroblock_type : macroblock_quant = 1 */ @@ -556,7 +556,7 @@ void mpeg1_encode_mb(MpegEncContext *s, s->misc_bits+= get_bits_diff(s); s->i_count++; memset(s->last_mv, 0, sizeof(s->last_mv)); - } else if (s->pict_type == P_TYPE) { + } else if (s->pict_type == P_TYPE) { if(s->mv_type == MV_TYPE_16X16){ if (cbp != 0) { if ((motion_x|motion_y) == 0) { @@ -619,7 +619,7 @@ void mpeg1_encode_mb(MpegEncContext *s, if(cbp) put_bits(&s->pb, mbPatTable[cbp][1], mbPatTable[cbp][0]); s->f_count++; - } else{ + } else{ static const int mb_type_len[4]={0,3,4,2}; //bak,for,bi if(s->mv_type == MV_TYPE_16X16){ @@ -641,15 +641,15 @@ void mpeg1_encode_mb(MpegEncContext *s, } s->misc_bits += get_bits_diff(s); if (s->mv_dir&MV_DIR_FORWARD){ - mpeg1_encode_motion(s, s->mv[0][0][0] - s->last_mv[0][0][0], s->f_code); - mpeg1_encode_motion(s, s->mv[0][0][1] - s->last_mv[0][0][1], s->f_code); + mpeg1_encode_motion(s, s->mv[0][0][0] - s->last_mv[0][0][0], s->f_code); + mpeg1_encode_motion(s, s->mv[0][0][1] - s->last_mv[0][0][1], s->f_code); s->last_mv[0][0][0]=s->last_mv[0][1][0]= s->mv[0][0][0]; s->last_mv[0][0][1]=s->last_mv[0][1][1]= s->mv[0][0][1]; s->f_count++; } if (s->mv_dir&MV_DIR_BACKWARD){ - mpeg1_encode_motion(s, s->mv[1][0][0] - s->last_mv[1][0][0], s->b_code); - mpeg1_encode_motion(s, s->mv[1][0][1] - s->last_mv[1][0][1], s->b_code); + mpeg1_encode_motion(s, s->mv[1][0][0] - s->last_mv[1][0][0], s->b_code); + mpeg1_encode_motion(s, s->mv[1][0][1] - s->last_mv[1][0][1], s->b_code); s->last_mv[1][0][0]=s->last_mv[1][1][0]= s->mv[1][0][0]; s->last_mv[1][0][1]=s->last_mv[1][1][1]= s->mv[1][0][1]; s->b_count++; @@ -720,8 +720,8 @@ static void mpeg1_encode_motion(MpegEncContext *s, int val, int f_or_b_code) /* zero vector */ code = 0; put_bits(&s->pb, - mbMotionVectorTable[0][1], - mbMotionVectorTable[0][0]); + mbMotionVectorTable[0][1], + mbMotionVectorTable[0][0]); } else { bit_size = f_or_b_code - 1; range = 1 << bit_size; @@ -745,8 +745,8 @@ static void mpeg1_encode_motion(MpegEncContext *s, int val, int f_or_b_code) assert(code > 0 && code <= 16); put_bits(&s->pb, - mbMotionVectorTable[code][1], - mbMotionVectorTable[code][0]); + mbMotionVectorTable[code][1], + mbMotionVectorTable[code][0]); put_bits(&s->pb, 1, sign); if (bit_size > 0) { @@ -774,7 +774,7 @@ void ff_mpeg1_encode_init(MpegEncContext *s) mpeg1_max_level[0][i]= rl_mpeg1.max_level[0][i]; mpeg1_index_run[0][i]= rl_mpeg1.index_run[0][i]; } - + init_uni_ac_vlc(&rl_mpeg1, uni_mpeg1_ac_vlc_bits, uni_mpeg1_ac_vlc_len); /* build unified dc encoding tables */ @@ -791,7 +791,7 @@ void ff_mpeg1_encode_init(MpegEncContext *s) bits= vlc_dc_lum_bits[index] + index; code= (vlc_dc_lum_code[index]<<index) + (diff & ((1 << index) - 1)); mpeg1_lum_dc_uni[i+255]= bits + (code<<8); - + bits= vlc_dc_chroma_bits[index] + index; code= (vlc_dc_chroma_code[index]<<index) + (diff & ((1 << index) - 1)); mpeg1_chr_dc_uni[i+255]= bits + (code<<8); @@ -811,7 +811,7 @@ void ff_mpeg1_encode_init(MpegEncContext *s) range = 1 << bit_size; val=mv; - if (val < 0) + if (val < 0) val = -val; val--; code = (val >> bit_size) + 1; @@ -825,7 +825,7 @@ void ff_mpeg1_encode_init(MpegEncContext *s) mv_penalty[f_code][mv+MAX_MV]= len; } } - + for(f_code=MAX_FCODE; f_code>0; f_code--){ for(mv=-(8<<f_code); mv<(8<<f_code); mv++){ @@ -861,32 +861,32 @@ static inline void encode_dc(MpegEncContext *s, int diff, int component) } if (component == 0) { put_bits( - &s->pb, + &s->pb, vlc_dc_lum_bits[index] + index, (vlc_dc_lum_code[index]<<index) + (diff & ((1 << index) - 1))); }else{ put_bits( - &s->pb, + &s->pb, vlc_dc_chroma_bits[index] + index, (vlc_dc_chroma_code[index]<<index) + (diff & ((1 << index) - 1))); } }else{ if (component == 0) { put_bits( - &s->pb, + &s->pb, mpeg1_lum_dc_uni[diff+255]&0xFF, mpeg1_lum_dc_uni[diff+255]>>8); } else { put_bits( - &s->pb, + &s->pb, mpeg1_chr_dc_uni[diff+255]&0xFF, mpeg1_chr_dc_uni[diff+255]>>8); } } } -static void mpeg1_encode_block(MpegEncContext *s, - DCTELEM *block, +static void mpeg1_encode_block(MpegEncContext *s, + DCTELEM *block, int n) { int alevel, level, last_non_zero, dc, diff, i, j, run, last_index, sign; @@ -934,11 +934,11 @@ static void mpeg1_encode_block(MpegEncContext *s, #if 0 if (level != 0) dprintf("level[%d]=%d\n", i, level); -#endif +#endif /* encode using VLC */ if (level != 0) { run = i - last_non_zero - 1; - + alevel= level; MASK_ABS(sign, alevel) sign&=1; @@ -993,26 +993,26 @@ static void init_vlcs(void) if (!done) { done = 1; - init_vlc(&dc_lum_vlc, DC_VLC_BITS, 12, + init_vlc(&dc_lum_vlc, DC_VLC_BITS, 12, vlc_dc_lum_bits, 1, 1, vlc_dc_lum_code, 2, 2, 1); - init_vlc(&dc_chroma_vlc, DC_VLC_BITS, 12, + init_vlc(&dc_chroma_vlc, DC_VLC_BITS, 12, vlc_dc_chroma_bits, 1, 1, vlc_dc_chroma_code, 2, 2, 1); - init_vlc(&mv_vlc, MV_VLC_BITS, 17, + init_vlc(&mv_vlc, MV_VLC_BITS, 17, &mbMotionVectorTable[0][1], 2, 1, &mbMotionVectorTable[0][0], 2, 1, 1); - init_vlc(&mbincr_vlc, MBINCR_VLC_BITS, 36, + init_vlc(&mbincr_vlc, MBINCR_VLC_BITS, 36, &mbAddrIncrTable[0][1], 2, 1, &mbAddrIncrTable[0][0], 2, 1, 1); init_vlc(&mb_pat_vlc, MB_PAT_VLC_BITS, 64, &mbPatTable[0][1], 2, 1, &mbPatTable[0][0], 2, 1, 1); - - init_vlc(&mb_ptype_vlc, MB_PTYPE_VLC_BITS, 7, + + init_vlc(&mb_ptype_vlc, MB_PTYPE_VLC_BITS, 7, &table_mb_ptype[0][1], 2, 1, &table_mb_ptype[0][0], 2, 1, 1); - init_vlc(&mb_btype_vlc, MB_BTYPE_VLC_BITS, 11, + init_vlc(&mb_btype_vlc, MB_BTYPE_VLC_BITS, 11, &table_mb_btype[0][1], 2, 1, &table_mb_btype[0][0], 2, 1, 1); init_rl(&rl_mpeg1, 1); @@ -1025,7 +1025,7 @@ static void init_vlcs(void) static inline int get_dmv(MpegEncContext *s) { - if(get_bits1(&s->gb)) + if(get_bits1(&s->gb)) return 1 - (get_bits1(&s->gb) << 1); else return 0; @@ -1062,7 +1062,7 @@ static int mpeg_decode_mb(MpegEncContext *s, av_log(s->avctx, AV_LOG_ERROR, "skipped MB in I frame at %d %d\n", s->mb_x, s->mb_y); return -1; } - + /* skip mb */ s->mb_intra = 0; for(i=0;i<12;i++) @@ -1082,25 +1082,25 @@ static int mpeg_decode_mb(MpegEncContext *s, s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride ]= MB_TYPE_SKIP | MB_TYPE_L0 | MB_TYPE_16x16; } else { int mb_type; - + if(s->mb_x) mb_type= s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride - 1]; else - mb_type= s->current_picture.mb_type[ s->mb_width + (s->mb_y-1)*s->mb_stride - 1]; // FIXME not sure if this is allowed in mpeg at all, + mb_type= s->current_picture.mb_type[ s->mb_width + (s->mb_y-1)*s->mb_stride - 1]; // FIXME not sure if this is allowed in mpeg at all, if(IS_INTRA(mb_type)) return -1; - + /* if B type, reuse previous vectors and directions */ s->mv[0][0][0] = s->last_mv[0][0][0]; s->mv[0][0][1] = s->last_mv[0][0][1]; s->mv[1][0][0] = s->last_mv[1][0][0]; s->mv[1][0][1] = s->last_mv[1][0][1]; - s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride ]= + s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride ]= mb_type | MB_TYPE_SKIP; // assert(s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride - 1]&(MB_TYPE_16x16|MB_TYPE_16x8)); - if((s->mv[0][0][0]|s->mv[0][0][1]|s->mv[1][0][0]|s->mv[1][0][1])==0) + if((s->mv[0][0][0]|s->mv[0][0][1]|s->mv[1][0][0]|s->mv[1][0][1])==0) s->mb_skipped = 1; } @@ -1141,11 +1141,11 @@ static int mpeg_decode_mb(MpegEncContext *s, // motion_type = 0; /* avoid warning */ if (IS_INTRA(mb_type)) { s->dsp.clear_blocks(s->block[0]); - + if(!s->chroma_y_shift){ s->dsp.clear_blocks(s->block[6]); } - + /* compute dct type */ if (s->picture_structure == PICT_FRAME && //FIXME add a interlaced_dct coded var? !s->frame_pred_frame_dct) { @@ -1154,15 +1154,15 @@ static int mpeg_decode_mb(MpegEncContext *s, if (IS_QUANT(mb_type)) s->qscale = get_qscale(s); - + if (s->concealment_motion_vectors) { /* just parse them */ - if (s->picture_structure != PICT_FRAME) + if (s->picture_structure != PICT_FRAME) skip_bits1(&s->gb); /* field select */ - - s->mv[0][0][0]= s->last_mv[0][0][0]= s->last_mv[0][1][0] = + + s->mv[0][0][0]= s->last_mv[0][0][0]= s->last_mv[0][1][0] = mpeg_decode_motion(s, s->mpeg_f_code[0][0], s->last_mv[0][0][0]); - s->mv[0][0][1]= s->last_mv[0][0][1]= s->last_mv[0][1][1] = + s->mv[0][0][1]= s->last_mv[0][0][1]= s->last_mv[0][1][1] = mpeg_decode_motion(s, s->mpeg_f_code[0][1], s->last_mv[0][0][1]); skip_bits1(&s->gb); /* marker */ @@ -1227,7 +1227,7 @@ static int mpeg_decode_mb(MpegEncContext *s, assert(mb_type & MB_TYPE_L0L1); //FIXME decide if MBs in field pictures are MB_TYPE_INTERLACED /* get additionnal motion vector type */ - if (s->frame_pred_frame_dct) + if (s->frame_pred_frame_dct) motion_type = MT_FRAME; else{ motion_type = get_bits(&s->gb, 2); @@ -1252,11 +1252,11 @@ static int mpeg_decode_mb(MpegEncContext *s, case MT_FRAME: /* or MT_16X8 */ if (s->picture_structure == PICT_FRAME) { /* MT_FRAME */ - mb_type |= MB_TYPE_16x16; + mb_type |= MB_TYPE_16x16; s->mv_type = MV_TYPE_16X16; - s->mv[i][0][0]= s->last_mv[i][0][0]= s->last_mv[i][1][0] = + s->mv[i][0][0]= s->last_mv[i][0][0]= s->last_mv[i][1][0] = mpeg_decode_motion(s, s->mpeg_f_code[i][0], s->last_mv[i][0][0]); - s->mv[i][0][1]= s->last_mv[i][0][1]= s->last_mv[i][1][1] = + s->mv[i][0][1]= s->last_mv[i][0][1]= s->last_mv[i][1][1] = mpeg_decode_motion(s, s->mpeg_f_code[i][1], s->last_mv[i][0][1]); /* full_pel: only for mpeg1 */ if (s->full_pel[i]){ @@ -1265,7 +1265,7 @@ static int mpeg_decode_mb(MpegEncContext *s, } } else { /* MT_16X8 */ - mb_type |= MB_TYPE_16x8 | MB_TYPE_INTERLACED; + mb_type |= MB_TYPE_16x8 | MB_TYPE_INTERLACED; s->mv_type = MV_TYPE_16X8; for(j=0;j<2;j++) { s->field_select[i][j] = get_bits1(&s->gb); @@ -1281,7 +1281,7 @@ static int mpeg_decode_mb(MpegEncContext *s, case MT_FIELD: s->mv_type = MV_TYPE_FIELD; if (s->picture_structure == PICT_FRAME) { - mb_type |= MB_TYPE_16x8 | MB_TYPE_INTERLACED; + mb_type |= MB_TYPE_16x8 | MB_TYPE_INTERLACED; for(j=0;j<2;j++) { s->field_select[i][j] = get_bits1(&s->gb); val = mpeg_decode_motion(s, s->mpeg_f_code[i][0], @@ -1296,7 +1296,7 @@ static int mpeg_decode_mb(MpegEncContext *s, dprintf("fmy=%d\n", val); } } else { - mb_type |= MB_TYPE_16x16 | MB_TYPE_INTERLACED; + mb_type |= MB_TYPE_16x16 | MB_TYPE_INTERLACED; s->field_select[i][0] = get_bits1(&s->gb); for(k=0;k<2;k++) { val = mpeg_decode_motion(s, s->mpeg_f_code[i][k], @@ -1311,12 +1311,12 @@ static int mpeg_decode_mb(MpegEncContext *s, { int dmx, dmy, mx, my, m; - mx = mpeg_decode_motion(s, s->mpeg_f_code[i][0], + mx = mpeg_decode_motion(s, s->mpeg_f_code[i][0], s->last_mv[i][0][0]); s->last_mv[i][0][0] = mx; s->last_mv[i][1][0] = mx; dmx = get_dmv(s); - my = mpeg_decode_motion(s, s->mpeg_f_code[i][1], + my = mpeg_decode_motion(s, s->mpeg_f_code[i][1], s->last_mv[i][0][1] >> 1); dmy = get_dmv(s); s->mv_type = MV_TYPE_DMV; @@ -1331,7 +1331,7 @@ static int mpeg_decode_mb(MpegEncContext *s, s->mv[i][1][1] = my;//not used if (s->picture_structure == PICT_FRAME) { - mb_type |= MB_TYPE_16x16 | MB_TYPE_INTERLACED; + mb_type |= MB_TYPE_16x16 | MB_TYPE_INTERLACED; //m = 1 + 2 * s->top_field_first; m = s->top_field_first ? 1 : 3; @@ -1349,7 +1349,7 @@ static int mpeg_decode_mb(MpegEncContext *s, s->mv[i][2][1] = ((my + (my > 0)) >> 1) + dmy; if(s->picture_structure == PICT_TOP_FIELD) s->mv[i][2][1]--; - else + else s->mv[i][2][1]++; } } @@ -1361,11 +1361,11 @@ static int mpeg_decode_mb(MpegEncContext *s, } } } - + s->mb_intra = 0; if (HAS_CBP(mb_type)) { s->dsp.clear_blocks(s->block[0]); - + if(!s->chroma_y_shift){ s->dsp.clear_blocks(s->block[6]); } @@ -1387,7 +1387,7 @@ static int mpeg_decode_mb(MpegEncContext *s, if(s->swap_uv){ exchange_uv(s); } - } + } #endif if (s->codec_id == CODEC_ID_MPEG2VIDEO) { @@ -1402,7 +1402,7 @@ static int mpeg_decode_mb(MpegEncContext *s, } }else{ cbp<<= 12-mb_block_count; - + for(i=0;i<mb_block_count;i++) { if ( cbp & (1<<11) ) { if (mpeg2_decode_block_non_intra(s, s->pblocks[i], i) < 0) @@ -1470,7 +1470,7 @@ static int mpeg_decode_motion(MpegEncContext *s, int fcode, int pred) if (sign) val = -val; val += pred; - + /* modulo decoding */ l= INT_BIT - 5 - shift; val = (val<<l)>>l; @@ -1498,8 +1498,8 @@ static inline int decode_dc(GetBitContext *gb, int component) return diff; } -static inline int mpeg1_decode_block_intra(MpegEncContext *s, - DCTELEM *block, +static inline int mpeg1_decode_block_intra(MpegEncContext *s, + DCTELEM *block, int n) { int level, dc, diff, i, j, run; @@ -1521,12 +1521,12 @@ static inline int mpeg1_decode_block_intra(MpegEncContext *s, dprintf("dc=%d diff=%d\n", dc, diff); i = 0; { - OPEN_READER(re, &s->gb); + OPEN_READER(re, &s->gb); /* now quantify & encode AC coefs */ for(;;) { UPDATE_CACHE(re, &s->gb); GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0); - + if(level == 127){ break; } else if(level != 0) { @@ -1571,8 +1571,8 @@ static inline int mpeg1_decode_block_intra(MpegEncContext *s, return 0; } -static inline int mpeg1_decode_block_inter(MpegEncContext *s, - DCTELEM *block, +static inline int mpeg1_decode_block_inter(MpegEncContext *s, + DCTELEM *block, int n) { int level, i, j, run; @@ -1601,7 +1601,7 @@ static inline int mpeg1_decode_block_inter(MpegEncContext *s, /* now quantify & encode AC coefs */ for(;;) { GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0); - + if(level != 0) { i += run; j = scantable[i]; @@ -1676,7 +1676,7 @@ static inline int mpeg1_fast_decode_block_inter(MpegEncContext *s, DCTELEM *bloc /* now quantify & encode AC coefs */ for(;;) { GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0); - + if(level != 0) { i += run; j = scantable[i]; @@ -1721,8 +1721,8 @@ end: } -static inline int mpeg2_decode_block_non_intra(MpegEncContext *s, - DCTELEM *block, +static inline int mpeg2_decode_block_non_intra(MpegEncContext *s, + DCTELEM *block, int n) { int level, i, j, run; @@ -1759,7 +1759,7 @@ static inline int mpeg2_decode_block_non_intra(MpegEncContext *s, /* now quantify & encode AC coefs */ for(;;) { GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0); - + if(level != 0) { i += run; j = scantable[i]; @@ -1785,7 +1785,7 @@ static inline int mpeg2_decode_block_non_intra(MpegEncContext *s, av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y); return -1; } - + mismatch ^= level; block[j] = level; if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF) @@ -1797,13 +1797,13 @@ end: CLOSE_READER(re, &s->gb); } block[63] ^= (mismatch & 1); - + s->block_last_index[n] = i; return 0; } -static inline int mpeg2_fast_decode_block_non_intra(MpegEncContext *s, - DCTELEM *block, +static inline int mpeg2_fast_decode_block_non_intra(MpegEncContext *s, + DCTELEM *block, int n) { int level, i, j, run; @@ -1829,7 +1829,7 @@ static inline int mpeg2_fast_decode_block_non_intra(MpegEncContext *s, /* now quantify & encode AC coefs */ for(;;) { GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0); - + if(level != 0) { i += run; j = scantable[i]; @@ -1851,22 +1851,22 @@ static inline int mpeg2_fast_decode_block_non_intra(MpegEncContext *s, level= ((level*2+1)*qscale)>>1; } } - + block[j] = level; if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF) break; UPDATE_CACHE(re, &s->gb); } end: - LAST_SKIP_BITS(re, &s->gb, 2); + LAST_SKIP_BITS(re, &s->gb, 2); CLOSE_READER(re, &s->gb); s->block_last_index[n] = i; return 0; } -static inline int mpeg2_decode_block_intra(MpegEncContext *s, - DCTELEM *block, +static inline int mpeg2_decode_block_intra(MpegEncContext *s, + DCTELEM *block, int n) { int level, dc, diff, i, j, run; @@ -1880,7 +1880,7 @@ static inline int mpeg2_decode_block_intra(MpegEncContext *s, /* DC coef */ if (n < 4){ quant_matrix = s->intra_matrix; - component = 0; + component = 0; }else{ quant_matrix = s->chroma_intra_matrix; component = (n&1) + 1; @@ -1901,12 +1901,12 @@ static inline int mpeg2_decode_block_intra(MpegEncContext *s, rl = &rl_mpeg1; { - OPEN_READER(re, &s->gb); + OPEN_READER(re, &s->gb); /* now quantify & encode AC coefs */ for(;;) { UPDATE_CACHE(re, &s->gb); GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0); - + if(level == 127){ break; } else if(level != 0) { @@ -1933,20 +1933,20 @@ static inline int mpeg2_decode_block_intra(MpegEncContext *s, av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y); return -1; } - + mismatch^= level; block[j] = level; } CLOSE_READER(re, &s->gb); } block[63]^= mismatch&1; - + s->block_last_index[n] = i; return 0; } -static inline int mpeg2_fast_decode_block_intra(MpegEncContext *s, - DCTELEM *block, +static inline int mpeg2_fast_decode_block_intra(MpegEncContext *s, + DCTELEM *block, int n) { int level, dc, diff, j, run; @@ -1959,7 +1959,7 @@ static inline int mpeg2_fast_decode_block_intra(MpegEncContext *s, /* DC coef */ if (n < 4){ quant_matrix = s->intra_matrix; - component = 0; + component = 0; }else{ quant_matrix = s->chroma_intra_matrix; component = (n&1) + 1; @@ -1977,12 +1977,12 @@ static inline int mpeg2_fast_decode_block_intra(MpegEncContext *s, rl = &rl_mpeg1; { - OPEN_READER(re, &s->gb); + OPEN_READER(re, &s->gb); /* now quantify & encode AC coefs */ for(;;) { UPDATE_CACHE(re, &s->gb); GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0); - + if(level == 127){ break; } else if(level != 0) { @@ -2005,12 +2005,12 @@ static inline int mpeg2_fast_decode_block_intra(MpegEncContext *s, level= (level*qscale*quant_matrix[j])>>4; } } - + block[j] = level; } CLOSE_READER(re, &s->gb); } - + s->block_last_index[n] = scantable - s->intra_scantable.permutated; return 0; } @@ -2032,15 +2032,15 @@ static int mpeg_decode_init(AVCodecContext *avctx) Mpeg1Context *s = avctx->priv_data; MpegEncContext *s2 = &s->mpeg_enc_ctx; int i; - + //we need some parmutation to store //matrixes, until MPV_common_init() - //set the real permutatuon + //set the real permutatuon for(i=0;i<64;i++) s2->dsp.idct_permutation[i]=i; MPV_decode_defaults(s2); - + s->mpeg_enc_ctx.avctx= avctx; s->mpeg_enc_ctx.flags= avctx->flags; s->mpeg_enc_ctx.flags2= avctx->flags2; @@ -2054,16 +2054,16 @@ static int mpeg_decode_init(AVCodecContext *avctx) return 0; } -static void quant_matrix_rebuild(uint16_t *matrix, const uint8_t *old_perm, +static void quant_matrix_rebuild(uint16_t *matrix, const uint8_t *old_perm, const uint8_t *new_perm){ uint16_t temp_matrix[64]; int i; memcpy(temp_matrix,matrix,64*sizeof(uint16_t)); - + for(i=0;i<64;i++){ matrix[new_perm[i]] = temp_matrix[old_perm[i]]; - } + } } //Call this function when we know all parameters @@ -2074,13 +2074,13 @@ static int mpeg_decode_postinit(AVCodecContext *avctx){ uint8_t old_permutation[64]; if ( - (s1->mpeg_enc_ctx_allocated == 0)|| + (s1->mpeg_enc_ctx_allocated == 0)|| avctx->coded_width != s->width || avctx->coded_height != s->height|| s1->save_aspect_info != s->aspect_ratio_info|| 0) { - + if (s1->mpeg_enc_ctx_allocated) { ParseContext pc= s->parse_context; s->parse_context.buffer=0; @@ -2110,28 +2110,28 @@ static int mpeg_decode_postinit(AVCodecContext *avctx){ }else{//mpeg2 //mpeg2 fps av_reduce( - &s->avctx->time_base.den, - &s->avctx->time_base.num, + &s->avctx->time_base.den, + &s->avctx->time_base.num, frame_rate_tab[s->frame_rate_index].num * s1->frame_rate_ext.num, frame_rate_tab[s->frame_rate_index].den * s1->frame_rate_ext.den, 1<<30); //mpeg2 aspect if(s->aspect_ratio_info > 1){ if( (s1->pan_scan.width == 0 )||(s1->pan_scan.height == 0) ){ - s->avctx->sample_aspect_ratio= + s->avctx->sample_aspect_ratio= av_div_q( - mpeg2_aspect[s->aspect_ratio_info], + mpeg2_aspect[s->aspect_ratio_info], (AVRational){s->width, s->height} ); }else{ - s->avctx->sample_aspect_ratio= + s->avctx->sample_aspect_ratio= av_div_q( - mpeg2_aspect[s->aspect_ratio_info], + mpeg2_aspect[s->aspect_ratio_info], (AVRational){s1->pan_scan.width, s1->pan_scan.height} ); } }else{ - s->avctx->sample_aspect_ratio= + s->avctx->sample_aspect_ratio= mpeg2_aspect[s->aspect_ratio_info]; } }//mpeg2 @@ -2154,7 +2154,7 @@ static int mpeg_decode_postinit(AVCodecContext *avctx){ if( avctx->idct_algo == FF_IDCT_AUTO ) avctx->idct_algo = FF_IDCT_SIMPLE; - //quantization matrixes may need reordering + //quantization matrixes may need reordering //if dct permutation is changed memcpy(old_permutation,s->dsp.idct_permutation,64*sizeof(uint8_t)); @@ -2193,19 +2193,19 @@ static int find_start_code(const uint8_t **pbuf_ptr, const uint8_t *buf_end) buf_ptr += 2; } buf_end += 2; //undo the hack above - + *pbuf_ptr = buf_end; return -1; } -static int mpeg1_decode_picture(AVCodecContext *avctx, +static int mpeg1_decode_picture(AVCodecContext *avctx, const uint8_t *buf, int buf_size) { Mpeg1Context *s1 = avctx->priv_data; MpegEncContext *s = &s1->mpeg_enc_ctx; int ref, f_code, vbv_delay; - if(mpeg_decode_postinit(s->avctx) < 0) + if(mpeg_decode_postinit(s->avctx) < 0) return -2; init_get_bits(&s->gb, buf, buf_size*8); @@ -2234,10 +2234,10 @@ static int mpeg1_decode_picture(AVCodecContext *avctx, } s->current_picture.pict_type= s->pict_type; s->current_picture.key_frame= s->pict_type == I_TYPE; - + if(avctx->debug & FF_DEBUG_PICT_INFO) av_log(avctx, AV_LOG_DEBUG, "vbv_delay %d, ref %d type:%d\n", vbv_delay, ref, s->pict_type); - + s->y_dc_scale = 8; s->c_dc_scale = 8; s->first_slice = 1; @@ -2275,7 +2275,7 @@ static void mpeg_decode_sequence_extension(Mpeg1Context *s1) s->avctx->sub_id = 2; /* indicates mpeg2 found */ if(s->avctx->debug & FF_DEBUG_PICT_INFO) - av_log(s->avctx, AV_LOG_DEBUG, "profile: %d, level: %d vbv buffer: %d, bitrate:%d\n", + av_log(s->avctx, AV_LOG_DEBUG, "profile: %d, level: %d vbv buffer: %d, bitrate:%d\n", s->avctx->profile, s->avctx->level, s->avctx->rc_buffer_size, s->bit_rate); } @@ -2296,10 +2296,10 @@ static void mpeg_decode_sequence_display_extension(Mpeg1Context *s1) skip_bits(&s->gb, 1); //marker h= get_bits(&s->gb, 14); skip_bits(&s->gb, 1); //marker - + s1->pan_scan.width= 16*w; s1->pan_scan.height=16*h; - + if(s->avctx->debug & FF_DEBUG_PICT_INFO) av_log(s->avctx, AV_LOG_DEBUG, "sde w:%d, h:%d\n", w, h); } @@ -2314,7 +2314,7 @@ static void mpeg_decode_picture_display_extension(Mpeg1Context *s1) if(s->repeat_first_field){ nofco++; if(s->top_field_first) - nofco++; + nofco++; } }else{ if(s->picture_structure == PICT_FRAME){ @@ -2329,11 +2329,11 @@ static void mpeg_decode_picture_display_extension(Mpeg1Context *s1) s1->pan_scan.position[i][1]= get_sbits(&s->gb, 16); skip_bits(&s->gb, 1); //marker } - + if(s->avctx->debug & FF_DEBUG_PICT_INFO) - av_log(s->avctx, AV_LOG_DEBUG, "pde (%d,%d) (%d,%d) (%d,%d)\n", - s1->pan_scan.position[0][0], s1->pan_scan.position[0][1], - s1->pan_scan.position[1][0], s1->pan_scan.position[1][1], + av_log(s->avctx, AV_LOG_DEBUG, "pde (%d,%d) (%d,%d) (%d,%d)\n", + s1->pan_scan.position[0][0], s1->pan_scan.position[0][1], + s1->pan_scan.position[1][0], s1->pan_scan.position[1][1], s1->pan_scan.position[2][0], s1->pan_scan.position[2][1] ); } @@ -2401,7 +2401,7 @@ static void mpeg_decode_picture_coding_extension(MpegEncContext *s) s->first_field ^= 1; memset(s->mbskip_table, 0, s->mb_stride*s->mb_height); } - + if(s->alternate_scan){ ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_alternate_vertical_scan); ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_alternate_vertical_scan); @@ -2409,7 +2409,7 @@ static void mpeg_decode_picture_coding_extension(MpegEncContext *s) ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_zigzag_direct); ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_zigzag_direct); } - + /* composite display not parsed */ dprintf("intra_dc_precision=%d\n", s->intra_dc_precision); dprintf("picture_structure=%d\n", s->picture_structure); @@ -2422,7 +2422,7 @@ static void mpeg_decode_picture_coding_extension(MpegEncContext *s) dprintf("progressive_frame=%d\n", s->progressive_frame); } -static void mpeg_decode_extension(AVCodecContext *avctx, +static void mpeg_decode_extension(AVCodecContext *avctx, const uint8_t *buf, int buf_size) { Mpeg1Context *s1 = avctx->priv_data; @@ -2430,7 +2430,7 @@ static void mpeg_decode_extension(AVCodecContext *avctx, int ext_type; init_get_bits(&s->gb, buf, buf_size*8); - + ext_type = get_bits(&s->gb, 4); switch(ext_type) { case 0x1: @@ -2479,22 +2479,22 @@ static int mpeg_field_start(MpegEncContext *s){ } else if (s->progressive_frame) { s->current_picture_ptr->repeat_pict = 1; } - } + } *s->current_picture_ptr->pan_scan= s1->pan_scan; }else{ //second field int i; - + if(!s->current_picture_ptr){ av_log(s->avctx, AV_LOG_ERROR, "first field missing\n"); return -1; } - + for(i=0; i<4; i++){ s->current_picture.data[i] = s->current_picture_ptr->data[i]; if(s->picture_structure == PICT_BOTTOM_FIELD){ s->current_picture.data[i] += s->current_picture_ptr->linesize[i]; - } + } } } #ifdef HAVE_XVMC @@ -2531,7 +2531,7 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y, av_log(s->avctx, AV_LOG_ERROR, "slice below image (%d >= %d)\n", mb_y, s->mb_height); return -1; } - + init_get_bits(&s->gb, *buf, buf_size*8); ff_mpeg1_clean_buffers(s); @@ -2543,12 +2543,12 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y, av_log(s->avctx, AV_LOG_ERROR, "qscale == 0\n"); return -1; } - + /* extra slice info */ while (get_bits1(&s->gb) != 0) { skip_bits(&s->gb, 8); } - + s->mb_x=0; for(;;) { @@ -2575,15 +2575,15 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y, if (s->mb_y==0 && s->mb_x==0 && (s->first_field || s->picture_structure==PICT_FRAME)) { if(s->avctx->debug&FF_DEBUG_PICT_INFO){ - av_log(s->avctx, AV_LOG_DEBUG, "qp:%d fc:%2d%2d%2d%2d %s %s %s %s %s dc:%d pstruct:%d fdct:%d cmv:%d qtype:%d ivlc:%d rff:%d %s\n", + av_log(s->avctx, AV_LOG_DEBUG, "qp:%d fc:%2d%2d%2d%2d %s %s %s %s %s dc:%d pstruct:%d fdct:%d cmv:%d qtype:%d ivlc:%d rff:%d %s\n", s->qscale, s->mpeg_f_code[0][0],s->mpeg_f_code[0][1],s->mpeg_f_code[1][0],s->mpeg_f_code[1][1], - s->pict_type == I_TYPE ? "I" : (s->pict_type == P_TYPE ? "P" : (s->pict_type == B_TYPE ? "B" : "S")), - s->progressive_sequence ? "ps" :"", s->progressive_frame ? "pf" : "", s->alternate_scan ? "alt" :"", s->top_field_first ? "top" :"", + s->pict_type == I_TYPE ? "I" : (s->pict_type == P_TYPE ? "P" : (s->pict_type == B_TYPE ? "B" : "S")), + s->progressive_sequence ? "ps" :"", s->progressive_frame ? "pf" : "", s->alternate_scan ? "alt" :"", s->top_field_first ? "top" :"", s->intra_dc_precision, s->picture_structure, s->frame_pred_frame_dct, s->concealment_motion_vectors, s->q_scale_type, s->intra_vlc_format, s->repeat_first_field, s->chroma_420_type ? "420" :""); } - } - + } + for(;;) { #ifdef HAVE_XVMC //one 1 we memcpy blocks in xvmcvideo @@ -2634,7 +2634,7 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y, s->dest[2] += 16 >> (s->chroma_x_shift + lowres); MPV_decode_mb(s, s->block); - + if (++s->mb_x >= s->mb_width) { const int mb_size= 16>>s->avctx->lowres; @@ -2653,7 +2653,7 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y, }else goto eos; } - + ff_init_block_index(s); } @@ -2703,7 +2703,7 @@ static int slice_decode_thread(AVCodecContext *c, void *arg){ ret= mpeg_decode_slice((Mpeg1Context*)s, mb_y, &buf, s->gb.buffer_end - buf); emms_c(); -//av_log(c, AV_LOG_DEBUG, "ret:%d resync:%d/%d mb:%d/%d ts:%d/%d ec:%d\n", +//av_log(c, AV_LOG_DEBUG, "ret:%d resync:%d/%d mb:%d/%d ts:%d/%d ec:%d\n", //ret, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, s->start_mb_y, s->end_mb_y, s->error_count); if(ret < 0){ if(s->resync_mb_x>=0 && s->resync_mb_y>=0) @@ -2711,28 +2711,28 @@ static int slice_decode_thread(AVCodecContext *c, void *arg){ }else{ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, AC_END|DC_END|MV_END); } - + if(s->mb_y == s->end_mb_y) return 0; - + start_code = find_start_code(&buf, s->gb.buffer_end); mb_y= start_code - SLICE_MIN_START_CODE; if(mb_y < 0 || mb_y >= s->end_mb_y) return -1; } - + return 0; //not reached } /** * handles slice ends. - * @return 1 if it seems to be the last slice of + * @return 1 if it seems to be the last slice of */ static int slice_end(AVCodecContext *avctx, AVFrame *pict) { Mpeg1Context *s1 = avctx->priv_data; MpegEncContext *s = &s1->mpeg_enc_ctx; - + if (!s1->mpeg_enc_ctx_allocated || !s->current_picture_ptr) return 0; @@ -2769,7 +2769,7 @@ static int slice_end(AVCodecContext *avctx, AVFrame *pict) } } -static int mpeg1_decode_sequence(AVCodecContext *avctx, +static int mpeg1_decode_sequence(AVCodecContext *avctx, const uint8_t *buf, int buf_size) { Mpeg1Context *s1 = avctx->priv_data; @@ -2850,7 +2850,7 @@ static int mpeg1_decode_sequence(AVCodecContext *avctx, s->chroma_inter_matrix[j] = v; } } - + if(show_bits(&s->gb, 23) != 0){ av_log(s->avctx, AV_LOG_ERROR, "sequence header damaged\n"); return -1; @@ -2867,11 +2867,11 @@ static int mpeg1_decode_sequence(AVCodecContext *avctx, s->out_format = FMT_MPEG1; s->swap_uv = 0;//AFAIK VCR2 don't have SEQ_HEADER if(s->flags & CODEC_FLAG_LOW_DELAY) s->low_delay=1; - + if(s->avctx->debug & FF_DEBUG_PICT_INFO) - av_log(s->avctx, AV_LOG_DEBUG, "vbv buffer: %d, bitrate:%d\n", + av_log(s->avctx, AV_LOG_DEBUG, "vbv buffer: %d, bitrate:%d\n", s->avctx->rc_buffer_size, s->bit_rate); - + return 0; } @@ -2900,11 +2900,11 @@ static int vcr2_init_sequence(AVCodecContext *avctx) if( avctx->pix_fmt == PIX_FMT_XVMC_MPEG2_IDCT ) if( avctx->idct_algo == FF_IDCT_AUTO ) avctx->idct_algo = FF_IDCT_SIMPLE; - + if (MPV_common_init(s) < 0) return -1; exchange_uv(s);//common init reset pblocks, so we swap them here - s->swap_uv = 1;// in case of xvmc we need to swap uv for each MB + s->swap_uv = 1;// in case of xvmc we need to swap uv for each MB s1->mpeg_enc_ctx_allocated = 1; for(i=0;i<64;i++) { @@ -2929,7 +2929,7 @@ static int vcr2_init_sequence(AVCodecContext *avctx) } -static void mpeg_decode_user_data(AVCodecContext *avctx, +static void mpeg_decode_user_data(AVCodecContext *avctx, const uint8_t *buf, int buf_size) { const uint8_t *p; @@ -2958,7 +2958,7 @@ static void mpeg_decode_user_data(AVCodecContext *avctx, } } -static void mpeg_decode_gop(AVCodecContext *avctx, +static void mpeg_decode_gop(AVCodecContext *avctx, const uint8_t *buf, int buf_size){ Mpeg1Context *s1 = avctx->priv_data; MpegEncContext *s = &s1->mpeg_enc_ctx; @@ -2971,7 +2971,7 @@ static void mpeg_decode_gop(AVCodecContext *avctx, init_get_bits(&s->gb, buf, buf_size*8); drop_frame_flag = get_bits1(&s->gb); - + time_code_hours=get_bits(&s->gb,5); time_code_minutes = get_bits(&s->gb,6); skip_bits1(&s->gb);//marker bit @@ -2996,9 +2996,9 @@ int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size) { int i; uint32_t state; - + state= pc->state; - + i=0; if(!pc->frame_start_found){ for(i=0; i<buf_size; i++){ @@ -3010,7 +3010,7 @@ int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size) } } } - + if(pc->frame_start_found){ /* EOF considered as end of frame */ if (buf_size == 0) @@ -3020,18 +3020,18 @@ int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size) if((state&0xFFFFFF00) == 0x100){ if(state < SLICE_MIN_START_CODE || state > SLICE_MAX_START_CODE){ pc->frame_start_found=0; - pc->state=-1; + pc->state=-1; return i-3; } } } - } + } pc->state= state; return END_NOT_FOUND; } /* handle buffering and image synchronisation */ -static int mpeg_decode_frame(AVCodecContext *avctx, +static int mpeg_decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size) { @@ -3056,16 +3056,16 @@ static int mpeg_decode_frame(AVCodecContext *avctx, if(s2->flags&CODEC_FLAG_TRUNCATED){ int next= ff_mpeg1_find_frame_end(&s2->parse_context, buf, buf_size); - + if( ff_combine_frame(&s2->parse_context, next, &buf, &buf_size) < 0 ) return buf_size; - } - + } + buf_ptr = buf; buf_end = buf + buf_size; -#if 0 - if (s->repeat_field % 2 == 1) { +#if 0 + if (s->repeat_field % 2 == 1) { s->repeat_field++; //fprintf(stderr,"\nRepeating last frame: %d -> %d! pict: %d %d", avctx->frame_number-1, avctx->frame_number, // s2->picture_number, s->repeat_field); @@ -3078,9 +3078,9 @@ static int mpeg_decode_frame(AVCodecContext *avctx, if(s->mpeg_enc_ctx_allocated==0 && avctx->codec_tag == ff_get_fourcc("VCR2")) vcr2_init_sequence(avctx); - + s->slice_count= 0; - + for(;;) { /* find start next code */ start_code = find_start_code(&buf_ptr, buf_end); @@ -3100,7 +3100,7 @@ static int mpeg_decode_frame(AVCodecContext *avctx, } return FFMAX(0, buf_ptr - buf - s2->parse_context.last_index); } - + input_size = buf_end - buf_ptr; if(avctx->debug & FF_DEBUG_STARTCODE){ @@ -3110,13 +3110,13 @@ static int mpeg_decode_frame(AVCodecContext *avctx, /* prepare data for next start code */ switch(start_code) { case SEQ_START_CODE: - mpeg1_decode_sequence(avctx, buf_ptr, + mpeg1_decode_sequence(avctx, buf_ptr, input_size); break; - + case PICTURE_START_CODE: /* we have a complete image : we try to decompress it */ - mpeg1_decode_picture(avctx, + mpeg1_decode_picture(avctx, buf_ptr, input_size); break; case EXT_START_CODE: @@ -3124,19 +3124,19 @@ static int mpeg_decode_frame(AVCodecContext *avctx, buf_ptr, input_size); break; case USER_START_CODE: - mpeg_decode_user_data(avctx, + mpeg_decode_user_data(avctx, buf_ptr, input_size); break; case GOP_START_CODE: s2->first_field=0; - mpeg_decode_gop(avctx, + mpeg_decode_gop(avctx, buf_ptr, input_size); break; default: if (start_code >= SLICE_MIN_START_CODE && start_code <= SLICE_MAX_START_CODE) { int mb_y= start_code - SLICE_MIN_START_CODE; - + if(s2->last_picture_ptr==NULL){ /* skip b frames if we dont have reference frames */ if(s2->pict_type==B_TYPE) break; @@ -3151,25 +3151,25 @@ static int mpeg_decode_frame(AVCodecContext *avctx, break; /* skip everything if we are in a hurry>=5 */ if(avctx->hurry_up>=5) break; - + if (!s->mpeg_enc_ctx_allocated) break; if(s2->codec_id == CODEC_ID_MPEG2VIDEO){ if(mb_y < avctx->skip_top || mb_y >= s2->mb_height - avctx->skip_bottom) break; } - + if(s2->first_slice){ s2->first_slice=0; if(mpeg_field_start(s2) < 0) return -1; } - + if(avctx->thread_count > 1){ int threshold= (s2->mb_height*s->slice_count + avctx->thread_count/2) / avctx->thread_count; if(threshold <= mb_y){ MpegEncContext *thread_context= s2->thread_context[s->slice_count]; - + thread_context->start_mb_y= mb_y; thread_context->end_mb_y = s2->mb_height; if(s->slice_count){ @@ -3279,7 +3279,7 @@ AVCodec mpeg2video_encoder = { static int mpeg_mc_decode_init(AVCodecContext *avctx){ Mpeg1Context *s; - if( avctx->thread_count > 1) + if( avctx->thread_count > 1) return -1; if( !(avctx->slice_flags & SLICE_FLAG_CODED_ORDER) ) return -1; @@ -3310,7 +3310,7 @@ AVCodec mpeg_xvmc_decoder = { #endif -/* this is ugly i know, but the alternative is too make +/* this is ugly i know, but the alternative is too make hundreds of vars global and prefix them with ff_mpeg1_ which is far uglier. */ -#include "mdec.c" +#include "mdec.c" |