repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * RV10 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 | * RV10 encoder | |
| 26 | */ | |
| 27 | ||
| 28 | #include "mpegvideo.h" | |
| 29 | #include "put_bits.h" | |
| 30 | ||
| 31 | void ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number) | |
| 32 | { | |
| 33 | int full_frame= 0; | |
| 34 | ||
| 35 | avpriv_align_put_bits(&s->pb); | |
| 36 | ||
| 37 | put_bits(&s->pb, 1, 1); /* marker */ | |
| 38 | ||
| 39 | put_bits(&s->pb, 1, (s->pict_type == AV_PICTURE_TYPE_P)); | |
| 40 | ||
| 41 | put_bits(&s->pb, 1, 0); /* not PB frame */ | |
| 42 | ||
| 43 | put_bits(&s->pb, 5, s->qscale); | |
| 44 | ||
| 45 | if (s->pict_type == AV_PICTURE_TYPE_I) { | |
| 46 | /* specific MPEG like DC coding not used */ | |
| 47 | } | |
| 48 | /* if multiple packets per frame are sent, the position at which | |
| 49 | to display the macroblocks is coded here */ | |
| 50 | if(!full_frame){ | |
| 51 | put_bits(&s->pb, 6, 0); /* mb_x */ | |
| 52 | put_bits(&s->pb, 6, 0); /* mb_y */ | |
| 53 | put_bits(&s->pb, 12, s->mb_width * s->mb_height); | |
| 54 | } | |
| 55 | ||
| 56 | put_bits(&s->pb, 3, 0); /* ignored */ | |
| 57 | } | |
| 58 | ||
| 59 | FF_MPV_GENERIC_CLASS(rv10) | |
| 60 | ||
| 61 | AVCodec ff_rv10_encoder = { | |
| 62 | .name = "rv10", | |
| 63 | .long_name = NULL_IF_CONFIG_SMALL("RealVideo 1.0"), | |
| 64 | .type = AVMEDIA_TYPE_VIDEO, | |
| 65 | .id = AV_CODEC_ID_RV10, | |
| 66 | .priv_data_size = sizeof(MpegEncContext), | |
| 67 | .init = ff_mpv_encode_init, | |
| 68 | .encode2 = ff_mpv_encode_picture, | |
| 69 | .close = ff_mpv_encode_end, | |
| 70 | .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE }, | |
| 71 | .priv_class = &rv10_class, | |
| 72 | }; |