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-rw-r--r--libavformat/mpegts.c45
1 files changed, 34 insertions, 11 deletions
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index 228f48b424..9bb206ecd6 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -2,20 +2,20 @@
* MPEG2 transport stream (aka DVB) demuxer
* Copyright (c) 2002-2003 Fabrice Bellard
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -221,6 +221,17 @@ static void add_pid_to_pmt(MpegTSContext *ts, unsigned int programid, unsigned i
p->pids[p->nb_pids++] = pid;
}
+static void set_pcr_pid(AVFormatContext *s, unsigned int programid, unsigned int pid)
+{
+ int i;
+ for(i=0; i<s->nb_programs; i++) {
+ if(s->programs[i]->id == programid) {
+ s->programs[i]->pcr_pid = pid;
+ break;
+ }
+ }
+}
+
/**
* @brief discard_pid() decides if the pid is to be discarded according
* to caller's programs selection
@@ -561,6 +572,7 @@ static void mpegts_find_stream_type(AVStream *st,
if (stream_type == types->stream_type) {
st->codec->codec_type = types->codec_type;
st->codec->codec_id = types->codec_id;
+ st->request_probe = 0;
return;
}
}
@@ -713,10 +725,10 @@ static int mpegts_push_data(MpegTSFilter *filter,
code != 0x1ff && code != 0x1f2 && /* program_stream_directory, DSMCC_stream */
code != 0x1f8) { /* ITU-T Rec. H.222.1 type E stream */
pes->state = MPEGTS_PESHEADER;
- if (pes->st->codec->codec_id == CODEC_ID_NONE) {
+ if (pes->st->codec->codec_id == CODEC_ID_NONE && !pes->st->request_probe) {
av_dlog(pes->stream, "pid=%x stream_type=%x probing\n",
pes->pid, pes->stream_type);
- pes->st->codec->codec_id = CODEC_ID_PROBE;
+ pes->st->request_probe= 1;
}
} else {
pes->state = MPEGTS_PAYLOAD;
@@ -993,6 +1005,9 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
stream_type == STREAM_TYPE_PRIVATE_DATA)
mpegts_find_stream_type(st, st->codec->codec_tag, REGD_types);
break;
+ case 0x52: /* stream identifier descriptor */
+ st->stream_identifier = 1 + get8(pp, desc_end);
+ break;
default:
break;
}
@@ -1033,6 +1048,7 @@ static void pmt_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
if (pcr_pid < 0)
return;
add_pid_to_pmt(ts, h->id, pcr_pid);
+ set_pcr_pid(ts->stream, h->id, pcr_pid);
av_dlog(ts->stream, "pcr_pid=0x%x\n", pcr_pid);
@@ -1131,6 +1147,7 @@ static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
SectionHeader h1, *h = &h1;
const uint8_t *p, *p_end;
int sid, pmt_pid;
+ AVProgram *program;
av_dlog(ts->stream, "PAT:\n");
hex_dump_debug(ts->stream, (uint8_t *)section, section_len);
@@ -1142,6 +1159,8 @@ static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
if (h->tid != PAT_TID)
return;
+ ts->stream->ts_id = h->id;
+
clear_programs(ts);
for(;;) {
sid = get16(&p, p_end);
@@ -1156,7 +1175,9 @@ static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
if (sid == 0x0000) {
/* NIT info */
} else {
- av_new_program(ts->stream, sid);
+ program = av_new_program(ts->stream, sid);
+ program->program_num = sid;
+ program->pmt_pid = pmt_pid;
if (ts->pids[pmt_pid])
mpegts_close_filter(ts, ts->pids[pmt_pid]);
mpegts_open_section_filter(ts, pmt_pid, pmt_cb, ts, 1);
@@ -1334,7 +1355,7 @@ static int mpegts_resync(AVFormatContext *s)
for(i = 0;i < MAX_RESYNC_SIZE; i++) {
c = avio_r8(pb);
- if (pb->eof_reached)
+ if (url_feof(pb))
return -1;
if (c == 0x47) {
avio_seek(pb, -1, SEEK_CUR);
@@ -1462,7 +1483,7 @@ static int mpegts_read_header(AVFormatContext *s,
{
MpegTSContext *ts = s->priv_data;
AVIOContext *pb = s->pb;
- uint8_t buf[5*1024];
+ uint8_t buf[8*1024];
int len;
int64_t pos;
@@ -1483,8 +1504,10 @@ static int mpegts_read_header(AVFormatContext *s,
if (len != sizeof(buf))
goto fail;
ts->raw_packet_size = get_packet_size(buf, sizeof(buf));
- if (ts->raw_packet_size <= 0)
- goto fail;
+ if (ts->raw_packet_size <= 0) {
+ av_log(s, AV_LOG_WARNING, "Could not detect TS packet size, defaulting to non-FEC/DVHS\n");
+ ts->raw_packet_size = TS_PACKET_SIZE;
+ }
ts->stream = s;
ts->auto_guess = 0;