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| 1 /* | 1 /* | 
| 2  * ITU H263 bitstream encoder | 2  * ITU H263 bitstream encoder | 
| 3  * Copyright (c) 2000,2001 Fabrice Bellard | 3  * Copyright (c) 2000,2001 Fabrice Bellard | 
| 4  * H263+ support. | 4  * H263+ support. | 
| 5  * Copyright (c) 2001 Juan J. Sierralta P | 5  * Copyright (c) 2001 Juan J. Sierralta P | 
| 6  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> | 6  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> | 
| 7  * | 7  * | 
| 8  * This file is part of FFmpeg. | 8  * This file is part of FFmpeg. | 
| 9  * | 9  * | 
| 10  * FFmpeg is free software; you can redistribute it and/or | 10  * FFmpeg is free software; you can redistribute it and/or | 
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| 155         put_bits(&s->pb, 1, 0);         /* only I/P frames, no PB frame */ | 155         put_bits(&s->pb, 1, 0);         /* only I/P frames, no PB frame */ | 
| 156         put_bits(&s->pb, 5, s->qscale); | 156         put_bits(&s->pb, 5, s->qscale); | 
| 157         put_bits(&s->pb, 1, 0);         /* Continuous Presence Multipoint mode: 
     off */ | 157         put_bits(&s->pb, 1, 0);         /* Continuous Presence Multipoint mode: 
     off */ | 
| 158     } else { | 158     } else { | 
| 159         int ufep=1; | 159         int ufep=1; | 
| 160         /* H.263v2 */ | 160         /* H.263v2 */ | 
| 161         /* H.263 Plus PTYPE */ | 161         /* H.263 Plus PTYPE */ | 
| 162 | 162 | 
| 163         put_bits(&s->pb, 3, 7); | 163         put_bits(&s->pb, 3, 7); | 
| 164         put_bits(&s->pb,3,ufep); /* Update Full Extended PTYPE */ | 164         put_bits(&s->pb,3,ufep); /* Update Full Extended PTYPE */ | 
| 165         if (format == 7) | 165         if (format == 8) | 
| 166             put_bits(&s->pb,3,6); /* Custom Source Format */ | 166             put_bits(&s->pb,3,6); /* Custom Source Format */ | 
| 167         else | 167         else | 
| 168             put_bits(&s->pb, 3, format); | 168             put_bits(&s->pb, 3, format); | 
| 169 | 169 | 
| 170         put_bits(&s->pb,1, s->custom_pcf); | 170         put_bits(&s->pb,1, s->custom_pcf); | 
| 171         put_bits(&s->pb,1, s->umvplus); /* Unrestricted Motion Vector */ | 171         put_bits(&s->pb,1, s->umvplus); /* Unrestricted Motion Vector */ | 
| 172         put_bits(&s->pb,1,0); /* SAC: off */ | 172         put_bits(&s->pb,1,0); /* SAC: off */ | 
| 173         put_bits(&s->pb,1,s->obmc); /* Advanced Prediction Mode */ | 173         put_bits(&s->pb,1,s->obmc); /* Advanced Prediction Mode */ | 
| 174         put_bits(&s->pb,1,s->h263_aic); /* Advanced Intra Coding */ | 174         put_bits(&s->pb,1,s->h263_aic); /* Advanced Intra Coding */ | 
| 175         put_bits(&s->pb,1,s->loop_filter); /* Deblocking Filter */ | 175         put_bits(&s->pb,1,s->loop_filter); /* Deblocking Filter */ | 
| 176         put_bits(&s->pb,1,s->h263_slice_structured); /* Slice Structured */ | 176         put_bits(&s->pb,1,s->h263_slice_structured); /* Slice Structured */ | 
| 177         put_bits(&s->pb,1,0); /* Reference Picture Selection: off */ | 177         put_bits(&s->pb,1,0); /* Reference Picture Selection: off */ | 
| 178         put_bits(&s->pb,1,0); /* Independent Segment Decoding: off */ | 178         put_bits(&s->pb,1,0); /* Independent Segment Decoding: off */ | 
| 179         put_bits(&s->pb,1,s->alt_inter_vlc); /* Alternative Inter VLC */ | 179         put_bits(&s->pb,1,s->alt_inter_vlc); /* Alternative Inter VLC */ | 
| 180         put_bits(&s->pb,1,s->modified_quant); /* Modified Quantization: */ | 180         put_bits(&s->pb,1,s->modified_quant); /* Modified Quantization: */ | 
| 181         put_bits(&s->pb,1,1); /* "1" to prevent start code emulation */ | 181         put_bits(&s->pb,1,1); /* "1" to prevent start code emulation */ | 
| 182         put_bits(&s->pb,3,0); /* Reserved */ | 182         put_bits(&s->pb,3,0); /* Reserved */ | 
| 183 | 183 | 
| 184         put_bits(&s->pb, 3, s->pict_type == FF_P_TYPE); | 184         put_bits(&s->pb, 3, s->pict_type == FF_P_TYPE); | 
| 185 | 185 | 
| 186         put_bits(&s->pb,1,0); /* Reference Picture Resampling: off */ | 186         put_bits(&s->pb,1,0); /* Reference Picture Resampling: off */ | 
| 187         put_bits(&s->pb,1,0); /* Reduced-Resolution Update: off */ | 187         put_bits(&s->pb,1,0); /* Reduced-Resolution Update: off */ | 
| 188         put_bits(&s->pb,1,s->no_rounding); /* Rounding Type */ | 188         put_bits(&s->pb,1,s->no_rounding); /* Rounding Type */ | 
| 189         put_bits(&s->pb,2,0); /* Reserved */ | 189         put_bits(&s->pb,2,0); /* Reserved */ | 
| 190         put_bits(&s->pb,1,1); /* "1" to prevent start code emulation */ | 190         put_bits(&s->pb,1,1); /* "1" to prevent start code emulation */ | 
| 191 | 191 | 
| 192         /* This should be here if PLUSPTYPE */ | 192         /* This should be here if PLUSPTYPE */ | 
| 193         put_bits(&s->pb, 1, 0); /* Continuous Presence Multipoint mode: off */ | 193         put_bits(&s->pb, 1, 0); /* Continuous Presence Multipoint mode: off */ | 
| 194 | 194 | 
| 195                 if (format == 7) { | 195         if (format == 8) { | 
| 196             /* Custom Picture Format (CPFMT) */ | 196             /* Custom Picture Format (CPFMT) */ | 
| 197             s->aspect_ratio_info= ff_h263_aspect_to_info(s->avctx->sample_aspect
     _ratio); | 197             s->aspect_ratio_info= ff_h263_aspect_to_info(s->avctx->sample_aspect
     _ratio); | 
| 198 | 198 | 
| 199             put_bits(&s->pb,4,s->aspect_ratio_info); | 199             put_bits(&s->pb,4,s->aspect_ratio_info); | 
| 200             put_bits(&s->pb,9,(s->width >> 2) - 1); | 200             put_bits(&s->pb,9,(s->width >> 2) - 1); | 
| 201             put_bits(&s->pb,1,1); /* "1" to prevent start code emulation */ | 201             put_bits(&s->pb,1,1); /* "1" to prevent start code emulation */ | 
| 202             put_bits(&s->pb,9,(s->height >> 2)); | 202             put_bits(&s->pb,9,(s->height >> 2)); | 
| 203             if (s->aspect_ratio_info == FF_ASPECT_EXTENDED){ | 203             if (s->aspect_ratio_info == FF_ASPECT_EXTENDED){ | 
| 204                 put_bits(&s->pb, 8, s->avctx->sample_aspect_ratio.num); | 204                 put_bits(&s->pb, 8, s->avctx->sample_aspect_ratio.num); | 
| 205                 put_bits(&s->pb, 8, s->avctx->sample_aspect_ratio.den); | 205                 put_bits(&s->pb, 8, s->avctx->sample_aspect_ratio.den); | 
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| 833 void ff_h263_encode_mba(MpegEncContext *s) | 833 void ff_h263_encode_mba(MpegEncContext *s) | 
| 834 { | 834 { | 
| 835     int i, mb_pos; | 835     int i, mb_pos; | 
| 836 | 836 | 
| 837     for(i=0; i<6; i++){ | 837     for(i=0; i<6; i++){ | 
| 838         if(s->mb_num-1 <= ff_mba_max[i]) break; | 838         if(s->mb_num-1 <= ff_mba_max[i]) break; | 
| 839     } | 839     } | 
| 840     mb_pos= s->mb_x + s->mb_width*s->mb_y; | 840     mb_pos= s->mb_x + s->mb_width*s->mb_y; | 
| 841     put_bits(&s->pb, ff_mba_length[i], mb_pos); | 841     put_bits(&s->pb, ff_mba_length[i], mb_pos); | 
| 842 } | 842 } | 
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