rtsp: Specify unicast for TCP interleaved streams, too

[ffmpeg] / libavformat / mpegts.c

diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index 6a1b77301b1070e6b213d2ef6d87a3e5ac355194..abdb000445101b3c02fb7fa3a9de255a9eaeeaa5 100644 (file)
--- 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 FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -891,7 +891,8 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
 {
     const uint8_t *desc_end;
     int desc_len, desc_tag;
-    char language[4];
+    char language[252];
+    int i;
 
     desc_tag = get8(pp, desc_list_end);
     if (desc_tag < 0)
@@ -935,7 +936,17 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
         language[1] = get8(pp, desc_end);
         language[2] = get8(pp, desc_end);
         language[3] = 0;
-        get8(pp, desc_end);
+        /* hearing impaired subtitles detection */
+        switch(get8(pp, desc_end)) {
+        case 0x20: /* DVB subtitles (for the hard of hearing) with no monitor aspect ratio criticality */
+        case 0x21: /* DVB subtitles (for the hard of hearing) for display on 4:3 aspect ratio monitor */
+        case 0x22: /* DVB subtitles (for the hard of hearing) for display on 16:9 aspect ratio monitor */
+        case 0x23: /* DVB subtitles (for the hard of hearing) for display on 2.21:1 aspect ratio monitor */
+        case 0x24: /* DVB subtitles (for the hard of hearing) for display on a high definition monitor */
+        case 0x25: /* DVB subtitles (for the hard of hearing) with plano-stereoscopic disparity for display on a high definition monitor */
+            st->disposition |= AV_DISPOSITION_HEARING_IMPAIRED;
+            break;
+        }
         if (st->codec->extradata) {
             if (st->codec->extradata_size == 4 && memcmp(st->codec->extradata, *pp, 4))
                 av_log_ask_for_sample(fc, "DVB sub with multiple IDs\n");
@@ -950,16 +961,21 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
         av_metadata_set2(&st->metadata, "language", language, 0);
         break;
     case 0x0a: /* ISO 639 language descriptor */
-        language[0] = get8(pp, desc_end);
-        language[1] = get8(pp, desc_end);
-        language[2] = get8(pp, desc_end);
-        language[3] = 0;
-        av_metadata_set2(&st->metadata, "language", language, 0);
+        for (i = 0; i + 4 <= desc_len; i += 4) {
+            language[i + 0] = get8(pp, desc_end);
+            language[i + 1] = get8(pp, desc_end);
+            language[i + 2] = get8(pp, desc_end);
+            language[i + 3] = ',';
         switch (get8(pp, desc_end)) {
             case 0x01: st->disposition |= AV_DISPOSITION_CLEAN_EFFECTS; break;
             case 0x02: st->disposition |= AV_DISPOSITION_HEARING_IMPAIRED; break;
             case 0x03: st->disposition |= AV_DISPOSITION_VISUAL_IMPAIRED; break;
         }
+        }
+        if (i) {
+            language[i - 1] = 0;
+            av_metadata_set2(&st->metadata, "language", language, 0);
+        }
         break;
     case 0x05: /* registration descriptor */
         st->codec->codec_tag = bytestream_get_le32(pp);
@@ -1265,7 +1281,7 @@ static int handle_packet(MpegTSContext *ts, const uint8_t *packet)
     if (p >= p_end)
         return 0;
 
-    pos = url_ftell(ts->stream->pb);
+    pos = avio_tell(ts->stream->pb);
     ts->pos47= pos % ts->raw_packet_size;
 
     if (tss->type == MPEGTS_SECTION) {
@@ -1312,8 +1328,8 @@ static int mpegts_resync(AVFormatContext *s)
     int c, i;
 
     for(i = 0;i < MAX_RESYNC_SIZE; i++) {
-        c = url_fgetc(pb);
-        if (c < 0)
+        c = avio_r8(pb);
+        if (pb->eof_reached)
             return -1;
         if (c == 0x47) {
             avio_seek(pb, -1, SEEK_CUR);
@@ -1346,7 +1362,7 @@ static int read_packet(AVFormatContext *s, uint8_t *buf, int raw_packet_size)
         } else {
             skip = raw_packet_size - TS_PACKET_SIZE;
             if (skip > 0)
-                url_fskip(pb, skip);
+                avio_skip(pb, skip);
             break;
         }
     }
@@ -1454,7 +1470,7 @@ static int mpegts_read_header(AVFormatContext *s,
     }
 
     /* read the first 1024 bytes to get packet size */
-    pos = url_ftell(pb);
+    pos = avio_tell(pb);
     len = avio_read(pb, buf, sizeof(buf));
     if (len != sizeof(buf))
         goto fail;
@@ -1552,7 +1568,7 @@ static int mpegts_raw_read_packet(AVFormatContext *s,
 
     if (av_new_packet(pkt, TS_PACKET_SIZE) < 0)
         return AVERROR(ENOMEM);
-    pkt->pos= url_ftell(s->pb);
+    pkt->pos= avio_tell(s->pb);
     ret = read_packet(s, pkt->data, ts->raw_packet_size);
     if (ret < 0) {
         av_free_packet(pkt);
@@ -1562,7 +1578,7 @@ static int mpegts_raw_read_packet(AVFormatContext *s,
         /* compute exact PCR for each packet */
         if (parse_pcr(&pcr_h, &pcr_l, pkt->data) == 0) {
             /* we read the next PCR (XXX: optimize it by using a bigger buffer */
-            pos = url_ftell(s->pb);
+            pos = avio_tell(s->pb);
             for(i = 0; i < MAX_PACKET_READAHEAD; i++) {
                 avio_seek(s->pb, pos + i * ts->raw_packet_size, SEEK_SET);
                 avio_read(s->pb, pcr_buf, 12);
@@ -1591,7 +1607,7 @@ static int mpegts_read_packet(AVFormatContext *s,
     MpegTSContext *ts = s->priv_data;
     int ret, i;
 
-    if (url_ftell(s->pb) != ts->last_pos) {
+    if (avio_tell(s->pb) != ts->last_pos) {
         /* seek detected, flush pes buffer */
         for (i = 0; i < NB_PID_MAX; i++) {
             if (ts->pids[i] && ts->pids[i]->type == MPEGTS_PES) {
@@ -1620,7 +1636,7 @@ static int mpegts_read_packet(AVFormatContext *s,
         }
     }
 
-    ts->last_pos = url_ftell(s->pb);
+    ts->last_pos = avio_tell(s->pb);
 
     return ret;
 }
@@ -1771,7 +1787,7 @@ static int read_seek(AVFormatContext *s, int stream_index, int64_t target_ts, in
     if(av_seek_frame_binary(s, stream_index, target_ts, flags) < 0)
         return -1;
 
-    pos= url_ftell(s->pb);
+    pos= avio_tell(s->pb);
 
     for(;;) {
         avio_seek(s->pb, pos, SEEK_SET);