diff options
Diffstat (limited to 'ffmpeg/libavformat/assenc.c')
| -rw-r--r-- | ffmpeg/libavformat/assenc.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/ffmpeg/libavformat/assenc.c b/ffmpeg/libavformat/assenc.c deleted file mode 100644 index 9fb9f23..0000000 --- a/ffmpeg/libavformat/assenc.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * SSA/ASS muxer - * Copyright (c) 2008 Michael Niedermayer - * - * 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 - */ - -#include "avformat.h" -#include "internal.h" - -typedef struct ASSContext{ - unsigned int extra_index; - int write_ts; // 0: ssa (timing in payload), 1: ass (matroska like) -}ASSContext; - -static int write_header(AVFormatContext *s) -{ - ASSContext *ass = s->priv_data; - AVCodecContext *avctx= s->streams[0]->codec; - uint8_t *last= NULL; - - if (s->nb_streams != 1 || (avctx->codec_id != AV_CODEC_ID_SSA && - avctx->codec_id != AV_CODEC_ID_ASS)) { - av_log(s, AV_LOG_ERROR, "Exactly one ASS/SSA stream is needed.\n"); - return -1; - } - ass->write_ts = avctx->codec_id == AV_CODEC_ID_ASS; - avpriv_set_pts_info(s->streams[0], 64, 1, 100); - - while(ass->extra_index < avctx->extradata_size){ - uint8_t *p = avctx->extradata + ass->extra_index; - uint8_t *end= strchr(p, '\n'); - if(!end) end= avctx->extradata + avctx->extradata_size; - else end++; - - avio_write(s->pb, p, end-p); - ass->extra_index += end-p; - - if(last && !memcmp(last, "[Events]", 8)) - break; - last=p; - } - - avio_flush(s->pb); - - return 0; -} - -static int write_packet(AVFormatContext *s, AVPacket *pkt) -{ - ASSContext *ass = s->priv_data; - - if (ass->write_ts) { - long int layer; - char *p; - int64_t start = pkt->pts; - int64_t end = start + pkt->duration; - int hh1, mm1, ss1, ms1; - int hh2, mm2, ss2, ms2; - - p = pkt->data + strcspn(pkt->data, ",") + 1; // skip ReadOrder - layer = strtol(p, &p, 10); - if (*p == ',') - p++; - hh1 = (int)(start / 360000); mm1 = (int)(start / 6000) % 60; - hh2 = (int)(end / 360000); mm2 = (int)(end / 6000) % 60; - ss1 = (int)(start / 100) % 60; ms1 = (int)(start % 100); - ss2 = (int)(end / 100) % 60; ms2 = (int)(end % 100); - if (hh1 > 9) hh1 = 9, mm1 = 59, ss1 = 59, ms1 = 99; - if (hh2 > 9) hh2 = 9, mm2 = 59, ss2 = 59, ms2 = 99; - avio_printf(s->pb, "Dialogue: %ld,%d:%02d:%02d.%02d,%d:%02d:%02d.%02d,%s\r\n", - layer, hh1, mm1, ss1, ms1, hh2, mm2, ss2, ms2, p); - } else { - avio_write(s->pb, pkt->data, pkt->size); - } - - return 0; -} - -static int write_trailer(AVFormatContext *s) -{ - ASSContext *ass = s->priv_data; - AVCodecContext *avctx= s->streams[0]->codec; - - avio_write(s->pb, avctx->extradata + ass->extra_index, - avctx->extradata_size - ass->extra_index); - - return 0; -} - -AVOutputFormat ff_ass_muxer = { - .name = "ass", - .long_name = NULL_IF_CONFIG_SMALL("SSA (SubStation Alpha) subtitle"), - .mime_type = "text/x-ssa", - .extensions = "ass,ssa", - .priv_data_size = sizeof(ASSContext), - .subtitle_codec = AV_CODEC_ID_SSA, - .write_header = write_header, - .write_packet = write_packet, - .write_trailer = write_trailer, - .flags = AVFMT_GLOBALHEADER | AVFMT_NOTIMESTAMPS | AVFMT_TS_NONSTRICT, -}; |