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authorTim Redfern <tim@eclectronics.org>2013-09-05 17:55:35 +0100
committerTim Redfern <tim@eclectronics.org>2013-09-05 17:55:35 +0100
commit741fb4b9e135cfb161a749db88713229038577bb (patch)
tree08bc9925659cbcac45162bacf31dc6336d4f60b4 /ffmpeg1/libavformat/aqtitledec.c
parenta2e1bf3495b7bfefdaedb8fc737e969ab06df079 (diff)
making act segmenter
Diffstat (limited to 'ffmpeg1/libavformat/aqtitledec.c')
-rw-r--r--ffmpeg1/libavformat/aqtitledec.c148
1 files changed, 0 insertions, 148 deletions
diff --git a/ffmpeg1/libavformat/aqtitledec.c b/ffmpeg1/libavformat/aqtitledec.c
deleted file mode 100644
index 325946c..0000000
--- a/ffmpeg1/libavformat/aqtitledec.c
+++ /dev/null
@@ -1,148 +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
- * AQTitle subtitles format demuxer
- *
- * @see http://web.archive.org/web/20070210095721/http://www.volny.cz/aberka/czech/aqt.html
- * @see https://trac.annodex.net/wiki/AQTitle
- */
-
-#include "avformat.h"
-#include "internal.h"
-#include "subtitles.h"
-#include "libavutil/opt.h"
-
-typedef struct {
- const AVClass *class;
- FFDemuxSubtitlesQueue q;
- AVRational frame_rate;
-} AQTitleContext;
-
-static int aqt_probe(AVProbeData *p)
-{
- int frame;
- const char *ptr = p->buf;
-
- if (sscanf(ptr, "-->> %d", &frame) == 1)
- return AVPROBE_SCORE_MAX / 2;
- return 0;
-}
-
-static int aqt_read_header(AVFormatContext *s)
-{
- AQTitleContext *aqt = s->priv_data;
- AVStream *st = avformat_new_stream(s, NULL);
- int new_event = 1;
- int64_t pos = 0, frame = AV_NOPTS_VALUE;
- AVPacket *sub = NULL;
-
- if (!st)
- return AVERROR(ENOMEM);
- avpriv_set_pts_info(st, 64, aqt->frame_rate.den, aqt->frame_rate.num);
- st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
- st->codec->codec_id = AV_CODEC_ID_TEXT;
-
- while (!url_feof(s->pb)) {
- char line[4096];
- int len = ff_get_line(s->pb, line, sizeof(line));
-
- if (!len)
- break;
-
- line[strcspn(line, "\r\n")] = 0;
-
- if (sscanf(line, "-->> %"PRId64, &frame) == 1) {
- new_event = 1;
- pos = avio_tell(s->pb);
- if (sub) {
- sub->duration = frame - sub->pts;
- sub = NULL;
- }
- } else if (*line) {
- if (!new_event) {
- sub = ff_subtitles_queue_insert(&aqt->q, "\n", 1, 1);
- if (!sub)
- return AVERROR(ENOMEM);
- }
- sub = ff_subtitles_queue_insert(&aqt->q, line, strlen(line), !new_event);
- if (!sub)
- return AVERROR(ENOMEM);
- if (new_event) {
- sub->pts = frame;
- sub->duration = -1;
- sub->pos = pos;
- }
- new_event = 0;
- }
- }
-
- ff_subtitles_queue_finalize(&aqt->q);
- return 0;
-}
-
-static int aqt_read_packet(AVFormatContext *s, AVPacket *pkt)
-{
- AQTitleContext *aqt = s->priv_data;
- return ff_subtitles_queue_read_packet(&aqt->q, pkt);
-}
-
-static int aqt_read_seek(AVFormatContext *s, int stream_index,
- int64_t min_ts, int64_t ts, int64_t max_ts, int flags)
-{
- AQTitleContext *aqt = s->priv_data;
- return ff_subtitles_queue_seek(&aqt->q, s, stream_index,
- min_ts, ts, max_ts, flags);
-}
-
-static int aqt_read_close(AVFormatContext *s)
-{
- AQTitleContext *aqt = s->priv_data;
- ff_subtitles_queue_clean(&aqt->q);
- return 0;
-}
-
-#define OFFSET(x) offsetof(AQTitleContext, x)
-#define SD AV_OPT_FLAG_SUBTITLE_PARAM|AV_OPT_FLAG_DECODING_PARAM
-static const AVOption aqt_options[] = {
- { "subfps", "set the movie frame rate", OFFSET(frame_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, SD },
- { NULL }
-};
-
-static const AVClass aqt_class = {
- .class_name = "aqtdec",
- .item_name = av_default_item_name,
- .option = aqt_options,
- .version = LIBAVUTIL_VERSION_INT,
-};
-
-AVInputFormat ff_aqtitle_demuxer = {
- .name = "aqtitle",
- .long_name = NULL_IF_CONFIG_SMALL("AQTitle subtitles"),
- .priv_data_size = sizeof(AQTitleContext),
- .read_probe = aqt_probe,
- .read_header = aqt_read_header,
- .read_packet = aqt_read_packet,
- .read_seek2 = aqt_read_seek,
- .read_close = aqt_read_close,
- .extensions = "aqt",
- .priv_class = &aqt_class,
-};