| Line | Branch | Exec | Source |
|---|---|---|---|
| 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 "codec_internal.h" | ||
| 29 | #include "mpegvideo.h" | ||
| 30 | #include "mpegvideoenc.h" | ||
| 31 | #include "put_bits.h" | ||
| 32 | #include "rv10enc.h" | ||
| 33 | |||
| 34 | 175 | int ff_rv10_encode_picture_header(MpegEncContext *s) | |
| 35 | { | ||
| 36 | 175 | int full_frame= 0; | |
| 37 | |||
| 38 | 175 | align_put_bits(&s->pb); | |
| 39 | |||
| 40 | 175 | put_bits(&s->pb, 1, 1); /* marker */ | |
| 41 | |||
| 42 | 175 | put_bits(&s->pb, 1, (s->pict_type == AV_PICTURE_TYPE_P)); | |
| 43 | |||
| 44 | 175 | put_bits(&s->pb, 1, 0); /* not PB-mframe */ | |
| 45 | |||
| 46 | 175 | put_bits(&s->pb, 5, s->qscale); | |
| 47 | |||
| 48 | 175 | if (s->pict_type == AV_PICTURE_TYPE_I) { | |
| 49 | /* specific MPEG like DC coding not used */ | ||
| 50 | } | ||
| 51 | /* if multiple packets per frame are sent, the position at which | ||
| 52 | to display the macroblocks is coded here */ | ||
| 53 |
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175 | if(!full_frame){ |
| 54 |
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175 | if (s->mb_width * s->mb_height >= (1U << 12)) { |
| 55 | ✗ | avpriv_report_missing_feature(s->avctx, "Encoding frames with %d (>= 4096) macroblocks", | |
| 56 | ✗ | s->mb_width * s->mb_height); | |
| 57 | ✗ | return AVERROR(ENOSYS); | |
| 58 | } | ||
| 59 | 175 | put_bits(&s->pb, 6, 0); /* mb_x */ | |
| 60 | 175 | put_bits(&s->pb, 6, 0); /* mb_y */ | |
| 61 | 175 | put_bits(&s->pb, 12, s->mb_width * s->mb_height); | |
| 62 | } | ||
| 63 | |||
| 64 | 175 | put_bits(&s->pb, 3, 0); /* ignored */ | |
| 65 | 175 | return 0; | |
| 66 | } | ||
| 67 | |||
| 68 | const FFCodec ff_rv10_encoder = { | ||
| 69 | .p.name = "rv10", | ||
| 70 | CODEC_LONG_NAME("RealVideo 1.0"), | ||
| 71 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
| 72 | .p.id = AV_CODEC_ID_RV10, | ||
| 73 | .p.priv_class = &ff_mpv_enc_class, | ||
| 74 | .p.capabilities = AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, | ||
| 75 | .priv_data_size = sizeof(MpegEncContext), | ||
| 76 | .init = ff_mpv_encode_init, | ||
| 77 | FF_CODEC_ENCODE_CB(ff_mpv_encode_picture), | ||
| 78 | .close = ff_mpv_encode_end, | ||
| 79 | .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, | ||
| 80 | .p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE }, | ||
| 81 | .color_ranges = AVCOL_RANGE_MPEG, | ||
| 82 | }; | ||
| 83 |