| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2012 Clément Bœsch | ||
| 3 | * | ||
| 4 | * This file is part of FFmpeg. | ||
| 5 | * | ||
| 6 | * FFmpeg is free software; you can redistribute it and/or | ||
| 7 | * modify it under the terms of the GNU Lesser General Public | ||
| 8 | * License as published by the Free Software Foundation; either | ||
| 9 | * version 2.1 of the License, or (at your option) any later version. | ||
| 10 | * | ||
| 11 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 14 | * Lesser General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU Lesser General Public | ||
| 17 | * License along with FFmpeg; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 19 | */ | ||
| 20 | |||
| 21 | /** | ||
| 22 | * @file | ||
| 23 | * VPlayer subtitles format demuxer | ||
| 24 | */ | ||
| 25 | |||
| 26 | #include "avformat.h" | ||
| 27 | #include "demux.h" | ||
| 28 | #include "internal.h" | ||
| 29 | #include "subtitles.h" | ||
| 30 | |||
| 31 | typedef struct { | ||
| 32 | FFDemuxSubtitlesQueue q; | ||
| 33 | } VPlayerContext; | ||
| 34 | |||
| 35 | 7186 | static int vplayer_probe(const AVProbeData *p) | |
| 36 | { | ||
| 37 | char c; | ||
| 38 | 7186 | const unsigned char *ptr = p->buf; | |
| 39 | |||
| 40 |
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7186 | if ((sscanf(ptr, "%*3d:%*2d:%*2d.%*2d%c", &c) == 1 || |
| 41 |
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7186 | sscanf(ptr, "%*3d:%*2d:%*2d%c", &c) == 1) && strchr(": =", c)) |
| 42 | 1 | return AVPROBE_SCORE_MAX; | |
| 43 | 7185 | return 0; | |
| 44 | } | ||
| 45 | |||
| 46 | 3 | static int64_t read_ts(char **line) | |
| 47 | { | ||
| 48 | char c; | ||
| 49 | int hh, mm, ss, ms, n, len; | ||
| 50 | |||
| 51 |
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3 | if (((n = sscanf(*line, "%d:%d:%d.%d%c%n", &hh, &mm, &ss, &ms, &c, &len)) >= 5 || |
| 52 |
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3 | (n = sscanf(*line, "%d:%d:%d%c%n", &hh, &mm, &ss, &c, &len)) >= 4) && strchr(": =", c)) { |
| 53 | 3 | *line += len; | |
| 54 |
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3 | return (hh*3600LL + mm*60LL + ss) * 100LL + (n < 5 ? 0 : ms); |
| 55 | } | ||
| 56 | ✗ | return AV_NOPTS_VALUE; | |
| 57 | } | ||
| 58 | |||
| 59 | 1 | static int vplayer_read_header(AVFormatContext *s) | |
| 60 | { | ||
| 61 | 1 | VPlayerContext *vplayer = s->priv_data; | |
| 62 | 1 | AVStream *st = avformat_new_stream(s, NULL); | |
| 63 | |||
| 64 |
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1 | if (!st) |
| 65 | ✗ | return AVERROR(ENOMEM); | |
| 66 | 1 | avpriv_set_pts_info(st, 64, 1, 100); | |
| 67 | 1 | st->codecpar->codec_type = AVMEDIA_TYPE_SUBTITLE; | |
| 68 | 1 | st->codecpar->codec_id = AV_CODEC_ID_VPLAYER; | |
| 69 | |||
| 70 |
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4 | while (!avio_feof(s->pb)) { |
| 71 | char line[4096]; | ||
| 72 | 4 | char *p = line; | |
| 73 | 4 | const int64_t pos = avio_tell(s->pb); | |
| 74 | 4 | int len = ff_get_line(s->pb, line, sizeof(line)); | |
| 75 | int64_t pts_start; | ||
| 76 | |||
| 77 |
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4 | if (!len) |
| 78 | 1 | break; | |
| 79 | |||
| 80 | 3 | line[strcspn(line, "\r\n")] = 0; | |
| 81 | |||
| 82 | 3 | pts_start = read_ts(&p); | |
| 83 |
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3 | if (pts_start != AV_NOPTS_VALUE) { |
| 84 | AVPacket *sub; | ||
| 85 | |||
| 86 | 3 | sub = ff_subtitles_queue_insert(&vplayer->q, p, strlen(p), 0); | |
| 87 |
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3 | if (!sub) |
| 88 | ✗ | return AVERROR(ENOMEM); | |
| 89 | 3 | sub->pos = pos; | |
| 90 | 3 | sub->pts = pts_start; | |
| 91 | 3 | sub->duration = -1; | |
| 92 | } | ||
| 93 | } | ||
| 94 | |||
| 95 | 1 | ff_subtitles_queue_finalize(s, &vplayer->q); | |
| 96 | 1 | return 0; | |
| 97 | } | ||
| 98 | |||
| 99 | const FFInputFormat ff_vplayer_demuxer = { | ||
| 100 | .p.name = "vplayer", | ||
| 101 | .p.long_name = NULL_IF_CONFIG_SMALL("VPlayer subtitles"), | ||
| 102 | .p.extensions = "txt", | ||
| 103 | .priv_data_size = sizeof(VPlayerContext), | ||
| 104 | .flags_internal = FF_INFMT_FLAG_INIT_CLEANUP, | ||
| 105 | .read_probe = vplayer_probe, | ||
| 106 | .read_header = vplayer_read_header, | ||
| 107 | .read_packet = ff_subtitles_read_packet, | ||
| 108 | .read_seek2 = ff_subtitles_read_seek, | ||
| 109 | .read_close = ff_subtitles_read_close, | ||
| 110 | }; | ||
| 111 |