| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * RV20 encoder | ||
| 3 | * Copyright (c) 2000,2001 Fabrice Bellard | ||
| 4 | * Copyright (c) 2002-2004 Michael Niedermayer | ||
| 5 | * | ||
| 6 | * This file is part of FFmpeg. | ||
| 7 | * | ||
| 8 | * FFmpeg is free software; you can redistribute it and/or | ||
| 9 | * modify it under the terms of the GNU Lesser General Public | ||
| 10 | * License as published by the Free Software Foundation; either | ||
| 11 | * version 2.1 of the License, or (at your option) any later version. | ||
| 12 | * | ||
| 13 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 16 | * Lesser General Public License for more details. | ||
| 17 | * | ||
| 18 | * You should have received a copy of the GNU Lesser General Public | ||
| 19 | * License along with FFmpeg; if not, write to the Free Software | ||
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 21 | */ | ||
| 22 | |||
| 23 | /** | ||
| 24 | * @file | ||
| 25 | * RV20 encoder | ||
| 26 | */ | ||
| 27 | |||
| 28 | #include "codec_internal.h" | ||
| 29 | #include "mpegvideo.h" | ||
| 30 | #include "mpegvideodata.h" | ||
| 31 | #include "mpegvideoenc.h" | ||
| 32 | #include "h263data.h" | ||
| 33 | #include "h263enc.h" | ||
| 34 | #include "put_bits.h" | ||
| 35 | #include "rv10enc.h" | ||
| 36 | |||
| 37 | 150 | void ff_rv20_encode_picture_header(MpegEncContext *s) { | |
| 38 | 150 | put_bits(&s->pb, 2, s->pict_type); //I 0 vs. 1 ? | |
| 39 | 150 | put_bits(&s->pb, 1, 0); /* unknown bit */ | |
| 40 | 150 | put_bits(&s->pb, 5, s->qscale); | |
| 41 | |||
| 42 | 150 | put_sbits(&s->pb, 8, s->picture_number); //FIXME wrong, but correct is not known | |
| 43 | 150 | s->mb_x= s->mb_y= 0; | |
| 44 | 150 | ff_h263_encode_mba(s); | |
| 45 | |||
| 46 | 150 | put_bits(&s->pb, 1, s->no_rounding); | |
| 47 | |||
| 48 |
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150 | av_assert0(s->f_code == 1); |
| 49 |
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150 | av_assert0(s->unrestricted_mv == 0); |
| 50 |
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150 | av_assert0(s->alt_inter_vlc == 0); |
| 51 |
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150 | av_assert0(s->umvplus == 0); |
| 52 |
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150 | av_assert0(s->modified_quant==1); |
| 53 |
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150 | av_assert0(s->loop_filter==1); |
| 54 | |||
| 55 | 150 | s->h263_aic= s->pict_type == AV_PICTURE_TYPE_I; | |
| 56 |
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150 | if(s->h263_aic){ |
| 57 | 15 | s->y_dc_scale_table= | |
| 58 | 15 | s->c_dc_scale_table= ff_aic_dc_scale_table; | |
| 59 | }else{ | ||
| 60 | 135 | s->y_dc_scale_table= | |
| 61 | 135 | s->c_dc_scale_table= ff_mpeg1_dc_scale_table; | |
| 62 | } | ||
| 63 | 150 | } | |
| 64 | |||
| 65 | const FFCodec ff_rv20_encoder = { | ||
| 66 | .p.name = "rv20", | ||
| 67 | CODEC_LONG_NAME("RealVideo 2.0"), | ||
| 68 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
| 69 | .p.id = AV_CODEC_ID_RV20, | ||
| 70 | .p.priv_class = &ff_mpv_enc_class, | ||
| 71 | .p.capabilities = AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, | ||
| 72 | .priv_data_size = sizeof(MpegEncContext), | ||
| 73 | .init = ff_mpv_encode_init, | ||
| 74 | FF_CODEC_ENCODE_CB(ff_mpv_encode_picture), | ||
| 75 | .close = ff_mpv_encode_end, | ||
| 76 | .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, | ||
| 77 | .p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE }, | ||
| 78 | .color_ranges = AVCOL_RANGE_MPEG, | ||
| 79 | }; | ||
| 80 |