| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * id RoQ (.roq) File muxer | ||
| 3 | * Copyright (c) 2007 Vitor Sessak | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | |||
| 22 | #include "avformat.h" | ||
| 23 | #include "mux.h" | ||
| 24 | #include "rawenc.h" | ||
| 25 | |||
| 26 | |||
| 27 | 5 | static int roq_write_header(struct AVFormatContext *s) | |
| 28 | { | ||
| 29 | 5 | uint8_t header[] = { | |
| 30 | 0x84, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, /* fps: */ 0x1E, 0x00 | ||
| 31 | }; | ||
| 32 | int n; | ||
| 33 | |||
| 34 | // set the actual fps | ||
| 35 |
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6 | for(n=0;n<s->nb_streams;n++) { |
| 36 |
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5 | if (s->streams[n]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 37 | unsigned int fps; | ||
| 38 | |||
| 39 |
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4 | if (s->streams[n]->avg_frame_rate.den != 1) { |
| 40 | ✗ | av_log(s, AV_LOG_ERROR, "Frame rate must be integer\n"); | |
| 41 | ✗ | return AVERROR(EINVAL); | |
| 42 | } | ||
| 43 | |||
| 44 |
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4 | if ((fps=s->streams[n]->avg_frame_rate.num) > 255) { |
| 45 | ✗ | av_log(s, AV_LOG_ERROR, "Frame rate may not exceed 255fps\n"); | |
| 46 | ✗ | return AVERROR(EINVAL); | |
| 47 | } | ||
| 48 | |||
| 49 |
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4 | if (fps != 30) { |
| 50 | ✗ | av_log(s, AV_LOG_WARNING, "For vintage compatibility fps must be 30\n"); | |
| 51 | } | ||
| 52 | |||
| 53 | 4 | header[6] = fps; | |
| 54 | 4 | break; | |
| 55 | } | ||
| 56 | } | ||
| 57 | |||
| 58 | 5 | avio_write(s->pb, header, 8); | |
| 59 | |||
| 60 | 5 | return 0; | |
| 61 | } | ||
| 62 | |||
| 63 | const FFOutputFormat ff_roq_muxer = { | ||
| 64 | .p.name = "roq", | ||
| 65 | .p.long_name = NULL_IF_CONFIG_SMALL("raw id RoQ"), | ||
| 66 | .p.extensions = "roq", | ||
| 67 | .p.audio_codec = AV_CODEC_ID_ROQ_DPCM, | ||
| 68 | .p.video_codec = AV_CODEC_ID_ROQ, | ||
| 69 | .p.subtitle_codec = AV_CODEC_ID_NONE, | ||
| 70 | .flags_internal = FF_OFMT_FLAG_MAX_ONE_OF_EACH | | ||
| 71 | FF_OFMT_FLAG_ONLY_DEFAULT_CODECS, | ||
| 72 | .write_header = roq_write_header, | ||
| 73 | .write_packet = ff_raw_write_packet, | ||
| 74 | }; | ||
| 75 |