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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/samidec.c
parenta2e1bf3495b7bfefdaedb8fc737e969ab06df079 (diff)
making act segmenter
Diffstat (limited to 'ffmpeg1/libavformat/samidec.c')
-rw-r--r--ffmpeg1/libavformat/samidec.c137
1 files changed, 0 insertions, 137 deletions
diff --git a/ffmpeg1/libavformat/samidec.c b/ffmpeg1/libavformat/samidec.c
deleted file mode 100644
index 2eaee6f..0000000
--- a/ffmpeg1/libavformat/samidec.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
- * SAMI subtitle demuxer
- * @see http://msdn.microsoft.com/en-us/library/ms971327.aspx
- */
-
-#include "avformat.h"
-#include "internal.h"
-#include "subtitles.h"
-#include "libavcodec/internal.h"
-#include "libavutil/avstring.h"
-#include "libavutil/bprint.h"
-#include "libavutil/intreadwrite.h"
-
-typedef struct {
- FFDemuxSubtitlesQueue q;
-} SAMIContext;
-
-static int sami_probe(AVProbeData *p)
-{
- const unsigned char *ptr = p->buf;
-
- if (AV_RB24(ptr) == 0xEFBBBF)
- ptr += 3; /* skip UTF-8 BOM */
- return !strncmp(ptr, "<SAMI>", 6) ? AVPROBE_SCORE_MAX : 0;
-}
-
-static int sami_read_header(AVFormatContext *s)
-{
- SAMIContext *sami = s->priv_data;
- AVStream *st = avformat_new_stream(s, NULL);
- AVBPrint buf, hdr_buf;
- char c = 0;
- int res = 0, got_first_sync_point = 0;
-
- if (!st)
- return AVERROR(ENOMEM);
- avpriv_set_pts_info(st, 64, 1, 1000);
- st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
- st->codec->codec_id = AV_CODEC_ID_SAMI;
-
- av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
- av_bprint_init(&hdr_buf, 0, AV_BPRINT_SIZE_UNLIMITED);
-
- while (!url_feof(s->pb)) {
- AVPacket *sub;
- const int64_t pos = avio_tell(s->pb) - (c != 0);
- int is_sync, n = ff_smil_extract_next_chunk(s->pb, &buf, &c);
-
- if (n == 0)
- break;
-
- is_sync = !av_strncasecmp(buf.str, "<SYNC", 5);
- if (is_sync)
- got_first_sync_point = 1;
-
- if (!got_first_sync_point) {
- av_bprintf(&hdr_buf, "%s", buf.str);
- } else {
- sub = ff_subtitles_queue_insert(&sami->q, buf.str, buf.len, !is_sync);
- if (!sub) {
- res = AVERROR(ENOMEM);
- goto end;
- }
- if (is_sync) {
- const char *p = ff_smil_get_attr_ptr(buf.str, "Start");
- sub->pos = pos;
- sub->pts = p ? strtol(p, NULL, 10) : 0;
- sub->duration = -1;
- }
- }
- av_bprint_clear(&buf);
- }
-
- res = avpriv_bprint_to_extradata(st->codec, &hdr_buf);
- if (res < 0)
- goto end;
-
- ff_subtitles_queue_finalize(&sami->q);
-
-end:
- av_bprint_finalize(&buf, NULL);
- return res;
-}
-
-static int sami_read_packet(AVFormatContext *s, AVPacket *pkt)
-{
- SAMIContext *sami = s->priv_data;
- return ff_subtitles_queue_read_packet(&sami->q, pkt);
-}
-
-static int sami_read_seek(AVFormatContext *s, int stream_index,
- int64_t min_ts, int64_t ts, int64_t max_ts, int flags)
-{
- SAMIContext *sami = s->priv_data;
- return ff_subtitles_queue_seek(&sami->q, s, stream_index,
- min_ts, ts, max_ts, flags);
-}
-
-static int sami_read_close(AVFormatContext *s)
-{
- SAMIContext *sami = s->priv_data;
- ff_subtitles_queue_clean(&sami->q);
- return 0;
-}
-
-AVInputFormat ff_sami_demuxer = {
- .name = "sami",
- .long_name = NULL_IF_CONFIG_SMALL("SAMI subtitle format"),
- .priv_data_size = sizeof(SAMIContext),
- .read_probe = sami_probe,
- .read_header = sami_read_header,
- .read_packet = sami_read_packet,
- .read_seek2 = sami_read_seek,
- .read_close = sami_read_close,
- .extensions = "smi,sami",
-};