diff options
Diffstat (limited to 'ffmpeg/libavformat/pjsdec.c')
| -rw-r--r-- | ffmpeg/libavformat/pjsdec.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/ffmpeg/libavformat/pjsdec.c b/ffmpeg/libavformat/pjsdec.c deleted file mode 100644 index a69a316..0000000 --- a/ffmpeg/libavformat/pjsdec.c +++ /dev/null @@ -1,137 +0,0 @@ -/* - * Copyright (c) 2012 Clément Bœsch - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file - * PJS (Phoenix Japanimation Society) subtitles format demuxer - * - * @see http://subs.com.ru/page.php?al=pjs - */ - -#include "avformat.h" -#include "internal.h" -#include "subtitles.h" - -typedef struct { - FFDemuxSubtitlesQueue q; -} PJSContext; - -static int pjs_probe(AVProbeData *p) -{ - char c; - int64_t start, end; - const unsigned char *ptr = p->buf; - - if (sscanf(ptr, "%"SCNd64",%"SCNd64",%c", &start, &end, &c) == 3) { - size_t q1pos = strcspn(ptr, "\""); - size_t q2pos = q1pos + strcspn(ptr + q1pos + 1, "\"") + 1; - if (strcspn(ptr, "\r\n") > q2pos) - return AVPROBE_SCORE_MAX; - } - return 0; -} - -static int64_t read_ts(char **line, int *duration) -{ - int64_t start, end; - - if (sscanf(*line, "%"SCNd64",%"SCNd64, &start, &end) == 2) { - *line += strcspn(*line, "\"") + 1; - *duration = end - start; - return start; - } - return AV_NOPTS_VALUE; -} - -static int pjs_read_header(AVFormatContext *s) -{ - PJSContext *pjs = s->priv_data; - AVStream *st = avformat_new_stream(s, NULL); - int res = 0; - - if (!st) - return AVERROR(ENOMEM); - avpriv_set_pts_info(st, 64, 1, 10); - st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE; - st->codec->codec_id = AV_CODEC_ID_PJS; - - while (!url_feof(s->pb)) { - char line[4096]; - char *p = line; - const int64_t pos = avio_tell(s->pb); - int len = ff_get_line(s->pb, line, sizeof(line)); - int64_t pts_start; - int duration; - - if (!len) - break; - - line[strcspn(line, "\r\n")] = 0; - - pts_start = read_ts(&p, &duration); - if (pts_start != AV_NOPTS_VALUE) { - AVPacket *sub; - - p[strcspn(p, "\"")] = 0; - sub = ff_subtitles_queue_insert(&pjs->q, p, strlen(p), 0); - if (!sub) - return AVERROR(ENOMEM); - sub->pos = pos; - sub->pts = pts_start; - sub->duration = duration; - } - } - - ff_subtitles_queue_finalize(&pjs->q); - return res; -} - -static int pjs_read_packet(AVFormatContext *s, AVPacket *pkt) -{ - PJSContext *pjs = s->priv_data; - return ff_subtitles_queue_read_packet(&pjs->q, pkt); -} - -static int pjs_read_seek(AVFormatContext *s, int stream_index, - int64_t min_ts, int64_t ts, int64_t max_ts, int flags) -{ - PJSContext *pjs = s->priv_data; - return ff_subtitles_queue_seek(&pjs->q, s, stream_index, - min_ts, ts, max_ts, flags); -} - -static int pjs_read_close(AVFormatContext *s) -{ - PJSContext *pjs = s->priv_data; - ff_subtitles_queue_clean(&pjs->q); - return 0; -} - -AVInputFormat ff_pjs_demuxer = { - .name = "pjs", - .long_name = NULL_IF_CONFIG_SMALL("PJS (Phoenix Japanimation Society) subtitles"), - .priv_data_size = sizeof(PJSContext), - .read_probe = pjs_probe, - .read_header = pjs_read_header, - .read_packet = pjs_read_packet, - .read_seek2 = pjs_read_seek, - .read_close = pjs_read_close, - .extensions = "pjs", -}; |