| 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 | int ff_rv20_encode_picture_header(MPVMainEncContext *const m) | |
| 38 | { | ||
| 39 | 150 | MPVEncContext *const s = &m->s; | |
| 40 | |||
| 41 | 150 | put_bits_assume_flushed(&s->pb); | |
| 42 | |||
| 43 | 150 | put_bits(&s->pb, 2, s->c.pict_type); //I 0 vs. 1 ? | |
| 44 | 150 | put_bits(&s->pb, 1, 0); /* unknown bit */ | |
| 45 | 150 | put_bits(&s->pb, 5, s->c.qscale); | |
| 46 | |||
| 47 | 150 | put_sbits(&s->pb, 8, s->c.picture_number); //FIXME wrong, but correct is not known | |
| 48 | 150 | s->c.mb_x = s->c.mb_y = 0; | |
| 49 | 150 | ff_h263_encode_mba(s); | |
| 50 | |||
| 51 | 150 | put_bits(&s->pb, 1, s->c.no_rounding); | |
| 52 | |||
| 53 | av_assert1(s->f_code == 1); | ||
| 54 | av_assert1(!s->c.unrestricted_mv); | ||
| 55 | av_assert1(!s->c.alt_inter_vlc); | ||
| 56 | av_assert1(!s->c.umvplus); | ||
| 57 | av_assert1(s->c.modified_quant == 1); | ||
| 58 | av_assert1(s->c.loop_filter == 1); | ||
| 59 | |||
| 60 | 150 | s->c.h263_aic = s->c.pict_type == AV_PICTURE_TYPE_I; | |
| 61 |
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150 | if (s->c.h263_aic) { |
| 62 | 15 | s->c.y_dc_scale_table = | |
| 63 | 15 | s->c.c_dc_scale_table = ff_aic_dc_scale_table; | |
| 64 | }else{ | ||
| 65 | 135 | s->c.y_dc_scale_table = | |
| 66 | 135 | s->c.c_dc_scale_table = ff_mpeg1_dc_scale_table; | |
| 67 | } | ||
| 68 | 150 | return 0; | |
| 69 | } | ||
| 70 | |||
| 71 | const FFCodec ff_rv20_encoder = { | ||
| 72 | .p.name = "rv20", | ||
| 73 | CODEC_LONG_NAME("RealVideo 2.0"), | ||
| 74 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
| 75 | .p.id = AV_CODEC_ID_RV20, | ||
| 76 | .p.priv_class = &ff_mpv_enc_class, | ||
| 77 | .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, | ||
| 78 | .priv_data_size = sizeof(MPVMainEncContext), | ||
| 79 | .init = ff_mpv_encode_init, | ||
| 80 | FF_CODEC_ENCODE_CB(ff_mpv_encode_picture), | ||
| 81 | .close = ff_mpv_encode_end, | ||
| 82 | .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, | ||
| 83 | CODEC_PIXFMTS(AV_PIX_FMT_YUV420P), | ||
| 84 | .color_ranges = AVCOL_RANGE_MPEG, | ||
| 85 | }; | ||
| 86 |