diff options
-rw-r--r-- | Changelog | 1 | ||||
-rw-r--r-- | doc/general.texi | 1 | ||||
-rw-r--r-- | libavcodec/Makefile | 1 | ||||
-rw-r--r-- | libavcodec/allcodecs.c | 1 | ||||
-rw-r--r-- | libavcodec/avcodec.h | 1 | ||||
-rw-r--r-- | libavcodec/codec_desc.c | 6 | ||||
-rw-r--r-- | libavcodec/mpl2dec.c | 96 | ||||
-rw-r--r-- | libavcodec/version.h | 2 | ||||
-rw-r--r-- | libavformat/Makefile | 1 | ||||
-rw-r--r-- | libavformat/allformats.c | 1 | ||||
-rw-r--r-- | libavformat/mpl2dec.c | 146 | ||||
-rw-r--r-- | libavformat/version.h | 4 | ||||
-rw-r--r-- | tests/fate/subtitles.mak | 3 | ||||
-rw-r--r-- | tests/ref/fate/sub-mpl2 | 1 |
14 files changed, 262 insertions, 3 deletions
@@ -51,6 +51,7 @@ version <next>: - pp (postproc) filter ported from MPlayer - NIST Sphere demuxer - av_basename and av_dirname +- MPL2 subtitles demuxer and decoder version 1.0: diff --git a/doc/general.texi b/doc/general.texi index 5dc1954..472ceac 100644 --- a/doc/general.texi +++ b/doc/general.texi @@ -924,6 +924,7 @@ performance on systems without hardware floating point support). @item DVD @tab X @tab X @tab X @tab X @item JACOsub @tab X @tab X @tab @tab X @item MicroDVD @tab X @tab X @tab @tab X +@item MPL2 @tab @tab X @tab @tab X @item PGS @tab @tab @tab @tab X @item RealText @tab @tab X @tab @tab X @item SAMI @tab @tab X @tab @tab X diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 59d62a8..00e9f02 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -292,6 +292,7 @@ OBJS-$(CONFIG_MPEG2VIDEO_DECODER) += mpeg12.o mpeg12data.o OBJS-$(CONFIG_MPEG2VIDEO_ENCODER) += mpeg12enc.o mpeg12.o \ timecode.o OBJS-$(CONFIG_MPEG4_VAAPI_HWACCEL) += vaapi_mpeg4.o +OBJS-$(CONFIG_MPL2_DECODER) += mpl2dec.o ass.o OBJS-$(CONFIG_MSMPEG4V1_DECODER) += msmpeg4.o msmpeg4data.o OBJS-$(CONFIG_MSMPEG4V2_DECODER) += msmpeg4.o msmpeg4data.o h263dec.o \ h263.o ituh263dec.o mpeg4videodec.o diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index 15106f3..1194a74 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -448,6 +448,7 @@ void avcodec_register_all(void) REGISTER_DECODER(JACOSUB, jacosub); REGISTER_DECODER(MICRODVD, microdvd); REGISTER_ENCDEC (MOVTEXT, movtext); + REGISTER_DECODER(MPL2, mpl2); REGISTER_DECODER(PGSSUB, pgssub); REGISTER_DECODER(REALTEXT, realtext); REGISTER_DECODER(SAMI, sami); diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index b475b27..69edcc9 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -466,6 +466,7 @@ enum AVCodecID { AV_CODEC_ID_SUBVIEWER = MKBETAG('S','u','b','V'), AV_CODEC_ID_SUBRIP = MKBETAG('S','R','i','p'), AV_CODEC_ID_WEBVTT = MKBETAG('W','V','T','T'), + AV_CODEC_ID_MPL2 = MKBETAG('M','P','L','2'), /* other specific kind of codecs (generally used for attachments) */ AV_CODEC_ID_FIRST_UNKNOWN = 0x18000, ///< A dummy ID pointing at the start of various fake codecs. diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c index 27544f1..8de4be1 100644 --- a/libavcodec/codec_desc.c +++ b/libavcodec/codec_desc.c @@ -2405,6 +2405,12 @@ static const AVCodecDescriptor codec_descriptors[] = { .long_name = NULL_IF_CONFIG_SMALL("MicroDVD subtitle"), }, { + .id = AV_CODEC_ID_MPL2, + .type = AVMEDIA_TYPE_SUBTITLE, + .name = "mpl2", + .long_name = NULL_IF_CONFIG_SMALL("MPL2 subtitle"), + }, + { .id = AV_CODEC_ID_EIA_608, .type = AVMEDIA_TYPE_SUBTITLE, .name = "eia_608", diff --git a/libavcodec/mpl2dec.c b/libavcodec/mpl2dec.c new file mode 100644 index 0000000..a777c7c --- /dev/null +++ b/libavcodec/mpl2dec.c @@ -0,0 +1,96 @@ +/* + * 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 + * MPL2 subtitles decoder + * + * @see http://web.archive.org/web/20090328040233/http://napisy.ussbrowarek.org/mpl2-eng.html + */ + +#include "avcodec.h" +#include "ass.h" +#include "libavutil/bprint.h" + +static int mpl2_event_to_ass(AVBPrint *buf, const char *p) +{ + if (*p == ' ') + p++; + + while (*p) { + int got_style = 0; + + while (*p && strchr("/\\_", *p)) { + if (*p == '/') av_bprintf(buf, "{\\i1}"); + else if (*p == '\\') av_bprintf(buf, "{\\b1}"); + else if (*p == '_') av_bprintf(buf, "{\\u1}"); + got_style = 1; + p++; + } + + while (*p && *p != '|') { + if (*p != '\r' && *p != '\n') + av_bprint_chars(buf, *p, 1); + p++; + } + + if (*p == '|') { + if (got_style) + av_bprintf(buf, "{\\r}"); + av_bprintf(buf, "\\N"); + p++; + } + } + + av_bprintf(buf, "\r\n"); + return 0; +} + +static int mpl2_decode_frame(AVCodecContext *avctx, void *data, + int *got_sub_ptr, AVPacket *avpkt) +{ + AVBPrint buf; + AVSubtitle *sub = data; + const char *ptr = avpkt->data; + const int ts_start = av_rescale_q(avpkt->pts, avctx->time_base, (AVRational){1,100}); + const int ts_duration = avpkt->duration != -1 ? + av_rescale_q(avpkt->duration, avctx->time_base, (AVRational){1,100}) : -1; + + av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED); + if (ptr && avpkt->size > 0 && *ptr && !mpl2_event_to_ass(&buf, ptr)) { + if (!av_bprint_is_complete(&buf)) { + av_bprint_finalize(&buf, NULL); + return AVERROR(ENOMEM); + } + ff_ass_add_rect(sub, buf.str, ts_start, ts_duration, 0); + } + *got_sub_ptr = sub->num_rects > 0; + av_bprint_finalize(&buf, NULL); + return avpkt->size; +} + +AVCodec ff_mpl2_decoder = { + .name = "mpl2", + .long_name = NULL_IF_CONFIG_SMALL("MPL2 subtitle"), + .type = AVMEDIA_TYPE_SUBTITLE, + .id = AV_CODEC_ID_MPL2, + .decode = mpl2_decode_frame, + .init = ff_ass_subtitle_header_default, +}; diff --git a/libavcodec/version.h b/libavcodec/version.h index 74c8360..32d3650 100644 --- a/libavcodec/version.h +++ b/libavcodec/version.h @@ -29,7 +29,7 @@ #include "libavutil/avutil.h" #define LIBAVCODEC_VERSION_MAJOR 54 -#define LIBAVCODEC_VERSION_MINOR 81 +#define LIBAVCODEC_VERSION_MINOR 82 #define LIBAVCODEC_VERSION_MICRO 100 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \ diff --git a/libavformat/Makefile b/libavformat/Makefile index 13fbe7c..bffa876 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -219,6 +219,7 @@ OBJS-$(CONFIG_MPEGTS_DEMUXER) += mpegts.o isom.o OBJS-$(CONFIG_MPEGTS_MUXER) += mpegtsenc.o OBJS-$(CONFIG_MPEGVIDEO_DEMUXER) += mpegvideodec.o rawdec.o OBJS-$(CONFIG_MPJPEG_MUXER) += mpjpeg.o +OBJS-$(CONFIG_MPL2_DEMUXER) += mpl2dec.o OBJS-$(CONFIG_MSNWC_TCP_DEMUXER) += msnwc_tcp.o OBJS-$(CONFIG_MTV_DEMUXER) += mtv.o OBJS-$(CONFIG_MVI_DEMUXER) += mvi.o diff --git a/libavformat/allformats.c b/libavformat/allformats.c index e831398..f37f608 100644 --- a/libavformat/allformats.c +++ b/libavformat/allformats.c @@ -182,6 +182,7 @@ void av_register_all(void) REGISTER_DEMUXER (MPEGTSRAW, mpegtsraw); REGISTER_DEMUXER (MPEGVIDEO, mpegvideo); REGISTER_MUXER (MPJPEG, mpjpeg); + REGISTER_DEMUXER (MPL2, mpl2); REGISTER_DEMUXER (MSNWC_TCP, msnwc_tcp); REGISTER_DEMUXER (MTV, mtv); REGISTER_DEMUXER (MV, mv); diff --git a/libavformat/mpl2dec.c b/libavformat/mpl2dec.c new file mode 100644 index 0000000..ce2061b --- /dev/null +++ b/libavformat/mpl2dec.c @@ -0,0 +1,146 @@ +/* + * 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 + * MPL2 subtitles format demuxer + */ + +#include "avformat.h" +#include "internal.h" +#include "subtitles.h" + +typedef struct { + FFDemuxSubtitlesQueue q; +} MPL2Context; + +static int mpl2_probe(AVProbeData *p) +{ + int i; + char c; + int64_t start, end; + const unsigned char *ptr = p->buf; + const unsigned char *ptr_end = ptr + p->buf_size; + + for (i = 0; i < 2; i++) { + if (sscanf(ptr, "[%"PRId64"][%"PRId64"]%c", &start, &end, &c) != 3 && + sscanf(ptr, "[%"PRId64"][]%c", &start, &c) != 2) + return 0; + ptr += strcspn(ptr, "\r\n") + 1; + if (ptr >= ptr_end) + return 0; + } + return AVPROBE_SCORE_MAX; +} + +static int read_ts(char **line, int64_t *pts_start, int *duration) +{ + char c; + int len; + int64_t end; + + if (sscanf(*line, "[%"PRId64"][]%c%n", + pts_start, &c, &len) >= 2) { + *duration = -1; + *line += len - 1; + return 0; + } + if (sscanf(*line, "[%"PRId64"][%"PRId64"]%c%n", + pts_start, &end, &c, &len) >= 3) { + *duration = end - *pts_start; + *line += len - 1; + return 0; + } + return -1; +} + +static int mpl2_read_header(AVFormatContext *s) +{ + MPL2Context *mpl2 = 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_MPL2; + + 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; + + if (!read_ts(&p, &pts_start, &duration)) { + AVPacket *sub; + + sub = ff_subtitles_queue_insert(&mpl2->q, p, strlen(p), 0); + if (!sub) + return AVERROR(ENOMEM); + sub->pos = pos; + sub->pts = pts_start; + sub->duration = duration; + } + } + + ff_subtitles_queue_finalize(&mpl2->q); + return res; +} + +static int mpl2_read_packet(AVFormatContext *s, AVPacket *pkt) +{ + MPL2Context *mpl2 = s->priv_data; + return ff_subtitles_queue_read_packet(&mpl2->q, pkt); +} + +static int mpl2_read_seek(AVFormatContext *s, int stream_index, + int64_t min_ts, int64_t ts, int64_t max_ts, int flags) +{ + MPL2Context *mpl2 = s->priv_data; + return ff_subtitles_queue_seek(&mpl2->q, s, stream_index, + min_ts, ts, max_ts, flags); +} + +static int mpl2_read_close(AVFormatContext *s) +{ + MPL2Context *mpl2 = s->priv_data; + ff_subtitles_queue_clean(&mpl2->q); + return 0; +} + +AVInputFormat ff_mpl2_demuxer = { + .name = "mpl2", + .long_name = NULL_IF_CONFIG_SMALL("MPL2 subtitles"), + .priv_data_size = sizeof(MPL2Context), + .read_probe = mpl2_probe, + .read_header = mpl2_read_header, + .read_packet = mpl2_read_packet, + .read_seek2 = mpl2_read_seek, + .read_close = mpl2_read_close, + .extensions = "txt,mpl2", +}; diff --git a/libavformat/version.h b/libavformat/version.h index dbed05b..8a22dd4 100644 --- a/libavformat/version.h +++ b/libavformat/version.h @@ -30,8 +30,8 @@ #include "libavutil/avutil.h" #define LIBAVFORMAT_VERSION_MAJOR 54 -#define LIBAVFORMAT_VERSION_MINOR 50 -#define LIBAVFORMAT_VERSION_MICRO 104 +#define LIBAVFORMAT_VERSION_MINOR 51 +#define LIBAVFORMAT_VERSION_MICRO 100 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \ LIBAVFORMAT_VERSION_MINOR, \ diff --git a/tests/fate/subtitles.mak b/tests/fate/subtitles.mak index 55c9557..9934ddf 100644 --- a/tests/fate/subtitles.mak +++ b/tests/fate/subtitles.mak @@ -10,6 +10,9 @@ fate-sub-movtext: CMD = md5 -i $(SAMPLES)/sub/MovText_capability_tester.mp4 -f a FATE_SUBTITLES-$(call ENCDEC, MOVTEXT, MOV) += fate-sub-movtextenc fate-sub-movtextenc: CMD = md5 -i $(SAMPLES)/sub/MovText_capability_tester.mp4 -map 0 -scodec mov_text -f mp4 -flags +bitexact -movflags frag_keyframe+empty_moov +FATE_SUBTITLES_ASS-$(call DEMDEC, MPL2, MPL2) += fate-sub-mpl2 +fate-sub-mpl2: CMD = md5 -i $(SAMPLES)/sub/MPL2_capability_tester.txt -f ass + FATE_SUBTITLES_ASS-$(call DEMDEC, REALTEXT, REALTEXT) += fate-sub-realtext fate-sub-realtext: CMD = md5 -i $(SAMPLES)/sub/RealText_capability_tester.rt -f ass diff --git a/tests/ref/fate/sub-mpl2 b/tests/ref/fate/sub-mpl2 new file mode 100644 index 0000000..8835dd2 --- /dev/null +++ b/tests/ref/fate/sub-mpl2 @@ -0,0 +1 @@ +3c2fb62002aec3af16d83135a0e3b0fc |