Signed-off-by: Clément Bœsch <u@pkh.me>
wm4 authored on 2014/09/25 00:38:58... | ... |
@@ -454,6 +454,7 @@ library: |
454 | 454 |
@item Sony Wave64 (W64) @tab X @tab X |
455 | 455 |
@item SoX native format @tab X @tab X |
456 | 456 |
@item SUN AU format @tab X @tab X |
457 |
+@item SUP raw PGS subtitles @tab @tab X |
|
457 | 458 |
@item Text files @tab @tab X |
458 | 459 |
@item THP @tab @tab X |
459 | 460 |
@tab Used on the Nintendo GameCube. |
... | ... |
@@ -407,6 +407,7 @@ OBJS-$(CONFIG_SRT_MUXER) += srtenc.o |
407 | 407 |
OBJS-$(CONFIG_STR_DEMUXER) += psxstr.o |
408 | 408 |
OBJS-$(CONFIG_SUBVIEWER1_DEMUXER) += subviewer1dec.o subtitles.o |
409 | 409 |
OBJS-$(CONFIG_SUBVIEWER_DEMUXER) += subviewerdec.o subtitles.o |
410 |
+OBJS-$(CONFIG_SUP_DEMUXER) += supdec.o |
|
410 | 411 |
OBJS-$(CONFIG_SWF_DEMUXER) += swfdec.o swf.o |
411 | 412 |
OBJS-$(CONFIG_SWF_MUXER) += swfenc.o swf.o |
412 | 413 |
OBJS-$(CONFIG_TAK_DEMUXER) += takdec.o apetag.o img2.o rawdec.o |
... | ... |
@@ -280,6 +280,7 @@ void av_register_all(void) |
280 | 280 |
REGISTER_DEMUXER (STR, str); |
281 | 281 |
REGISTER_DEMUXER (SUBVIEWER1, subviewer1); |
282 | 282 |
REGISTER_DEMUXER (SUBVIEWER, subviewer); |
283 |
+ REGISTER_DEMUXER (SUP, sup); |
|
283 | 284 |
REGISTER_MUXDEMUX(SWF, swf); |
284 | 285 |
REGISTER_DEMUXER (TAK, tak); |
285 | 286 |
REGISTER_MUXER (TEE, tee); |
286 | 287 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,109 @@ |
0 |
+/* |
|
1 |
+ * This file is part of FFmpeg. |
|
2 |
+ * |
|
3 |
+ * FFmpeg is free software; you can redistribute it and/or |
|
4 |
+ * modify it under the terms of the GNU Lesser General Public |
|
5 |
+ * License as published by the Free Software Foundation; either |
|
6 |
+ * version 2.1 of the License, or (at your option) any later version. |
|
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+ * |
|
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+ * FFmpeg is distributed in the hope that it will be useful, |
|
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
10 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
11 |
+ * Lesser General Public License for more details. |
|
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+ * |
|
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+ * You should have received a copy of the GNU Lesser General Public |
|
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+ * License along with FFmpeg; if not, write to the Free Software |
|
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+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
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+ */ |
|
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+ |
|
18 |
+#include "avformat.h" |
|
19 |
+#include "internal.h" |
|
20 |
+#include "libavutil/intreadwrite.h" |
|
21 |
+ |
|
22 |
+#define SUP_PGS_MAGIC 0x5047 /* "PG", big endian */ |
|
23 |
+ |
|
24 |
+static int sup_read_header(AVFormatContext *s) |
|
25 |
+{ |
|
26 |
+ AVStream *st = avformat_new_stream(s, NULL); |
|
27 |
+ if (!st) |
|
28 |
+ return AVERROR(ENOMEM); |
|
29 |
+ st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE; |
|
30 |
+ st->codec->codec_id = AV_CODEC_ID_HDMV_PGS_SUBTITLE; |
|
31 |
+ avpriv_set_pts_info(st, 32, 1, 90000); |
|
32 |
+ |
|
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+ return 0; |
|
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+} |
|
35 |
+ |
|
36 |
+static int sup_read_packet(AVFormatContext *s, AVPacket *pkt) |
|
37 |
+{ |
|
38 |
+ int64_t pts, dts, pos; |
|
39 |
+ int ret; |
|
40 |
+ |
|
41 |
+ pos = avio_tell(s->pb); |
|
42 |
+ |
|
43 |
+ if (avio_rb16(s->pb) != SUP_PGS_MAGIC) |
|
44 |
+ return avio_feof(s->pb) ? AVERROR_EOF : AVERROR_INVALIDDATA; |
|
45 |
+ |
|
46 |
+ pts = avio_rb32(s->pb); |
|
47 |
+ dts = avio_rb32(s->pb); |
|
48 |
+ |
|
49 |
+ if ((ret = av_get_packet(s->pb, pkt, 3)) < 0) |
|
50 |
+ return ret; |
|
51 |
+ |
|
52 |
+ pkt->stream_index = 0; |
|
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+ pkt->flags |= AV_PKT_FLAG_KEY; |
|
54 |
+ pkt->pos = pos; |
|
55 |
+ pkt->pts = pts; |
|
56 |
+ // Many files have DTS set to 0 for all packets, so assume 0 means unset. |
|
57 |
+ pkt->dts = dts ? dts : AV_NOPTS_VALUE; |
|
58 |
+ |
|
59 |
+ if (pkt->size >= 3) { |
|
60 |
+ // The full packet size is stored as part of the packet. |
|
61 |
+ size_t len = AV_RB16(pkt->data + 1); |
|
62 |
+ |
|
63 |
+ if ((ret = av_append_packet(s->pb, pkt, len)) < 0) |
|
64 |
+ return ret; |
|
65 |
+ } |
|
66 |
+ |
|
67 |
+ return 0; |
|
68 |
+} |
|
69 |
+ |
|
70 |
+static int sup_probe(AVProbeData *p) |
|
71 |
+{ |
|
72 |
+ unsigned char *buf = p->buf; |
|
73 |
+ size_t buf_size = p->buf_size; |
|
74 |
+ int nb_packets; |
|
75 |
+ |
|
76 |
+ for (nb_packets = 0; nb_packets < 10; nb_packets++) { |
|
77 |
+ size_t full_packet_size; |
|
78 |
+ if (buf_size < 10 + 3) |
|
79 |
+ break; |
|
80 |
+ if (AV_RB16(buf) != SUP_PGS_MAGIC) |
|
81 |
+ return 0; |
|
82 |
+ full_packet_size = AV_RB16(buf + 10 + 1) + 10 + 3; |
|
83 |
+ if (buf_size < full_packet_size) |
|
84 |
+ break; |
|
85 |
+ buf += full_packet_size; |
|
86 |
+ buf_size -= full_packet_size; |
|
87 |
+ } |
|
88 |
+ if (!nb_packets) |
|
89 |
+ return 0; |
|
90 |
+ if (nb_packets < 2) |
|
91 |
+ return AVPROBE_SCORE_RETRY / 2; |
|
92 |
+ if (nb_packets < 4) |
|
93 |
+ return AVPROBE_SCORE_RETRY; |
|
94 |
+ if (nb_packets < 10) |
|
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+ return AVPROBE_SCORE_EXTENSION; |
|
96 |
+ return AVPROBE_SCORE_MAX; |
|
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+} |
|
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+ |
|
99 |
+AVInputFormat ff_sup_demuxer = { |
|
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+ .name = "sup", |
|
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+ .long_name = NULL_IF_CONFIG_SMALL("raw HDMV Presentation Graphic Stream subtitles"), |
|
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+ .extensions = "sup", |
|
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+ .mime_type = "application/x-pgs", |
|
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+ .read_probe = sup_probe, |
|
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+ .read_header = sup_read_header, |
|
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+ .read_packet = sup_read_packet, |
|
107 |
+ .flags = AVFMT_GENERIC_INDEX, |
|
108 |
+}; |
... | ... |
@@ -30,7 +30,7 @@ |
30 | 30 |
#include "libavutil/version.h" |
31 | 31 |
|
32 | 32 |
#define LIBAVFORMAT_VERSION_MAJOR 56 |
33 |
-#define LIBAVFORMAT_VERSION_MINOR 6 |
|
33 |
+#define LIBAVFORMAT_VERSION_MINOR 7 |
|
34 | 34 |
#define LIBAVFORMAT_VERSION_MICRO 100 |
35 | 35 |
|
36 | 36 |
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \ |