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-rw-r--r--libavformat/rmdec.c71
1 files changed, 54 insertions, 17 deletions
diff --git a/libavformat/rmdec.c b/libavformat/rmdec.c
index 07d218e311..a2c8bfbe9c 100644
--- a/libavformat/rmdec.c
+++ b/libavformat/rmdec.c
@@ -2,23 +2,24 @@
* "Real" compatible demuxer.
* Copyright (c) 2000, 2001 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
*/
+#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/dict.h"
@@ -220,6 +221,7 @@ static int rm_read_audio_stream_info(AVFormatContext *s, AVIOContext *pb,
}
if ((ret = rm_read_extradata(pb, st->codec, codecdata_length)) < 0)
return ret;
+
break;
case AV_CODEC_ID_AAC:
avio_rb16(pb); avio_r8(pb);
@@ -283,7 +285,7 @@ static int rm_read_audio_stream_info(AVFormatContext *s, AVIOContext *pb,
int
ff_rm_read_mdpr_codecdata (AVFormatContext *s, AVIOContext *pb,
- AVStream *st, RMStream *rst, int codec_data_size)
+ AVStream *st, RMStream *rst, int codec_data_size, const uint8_t *mime)
{
unsigned int v;
int size;
@@ -306,11 +308,38 @@ ff_rm_read_mdpr_codecdata (AVFormatContext *s, AVIOContext *pb,
st->codec->codec_tag = AV_RL32(st->codec->extradata);
st->codec->codec_id = ff_codec_get_id(ff_rm_codec_tags,
st->codec->codec_tag);
+ } else if(mime && !strcmp(mime, "logical-fileinfo")){
+ int stream_count, rule_count, property_count, i;
+ ff_free_stream(s, st);
+ if (avio_rb16(pb) != 0) {
+ av_log(s, AV_LOG_WARNING, "Unsupported version\n");
+ goto skip;
+ }
+ stream_count = avio_rb16(pb);
+ avio_skip(pb, 6*stream_count);
+ rule_count = avio_rb16(pb);
+ avio_skip(pb, 2*rule_count);
+ property_count = avio_rb16(pb);
+ for(i=0; i<property_count; i++){
+ uint8_t name[128], val[128];
+ avio_rb32(pb);
+ if (avio_rb16(pb) != 0) {
+ av_log(s, AV_LOG_WARNING, "Unsupported Name value property version\n");
+ goto skip; //FIXME skip just this one
+ }
+ get_str8(pb, name, sizeof(name));
+ switch(avio_rb32(pb)) {
+ case 2: get_strl(pb, val, sizeof(val), avio_rb16(pb));
+ av_dict_set(&s->metadata, name, val, 0);
+ break;
+ default: avio_skip(pb, avio_rb16(pb));
+ }
+ }
} else {
int fps;
if (avio_rl32(pb) != MKTAG('V', 'I', 'D', 'O')) {
fail1:
- av_log(st->codec, AV_LOG_ERROR, "Unsupported video codec\n");
+ av_log(s, AV_LOG_WARNING, "Unsupported stream type %08x\n", v);
goto skip;
}
st->codec->codec_tag = avio_rl32(pb);
@@ -425,7 +454,7 @@ static int rm_read_header(AVFormatContext *s)
int tag_size;
unsigned int start_time, duration;
unsigned int data_off = 0, indx_off = 0;
- char buf[128];
+ char buf[128], mime[128];
int flags = 0;
tag = avio_rl32(pb);
@@ -440,7 +469,7 @@ static int rm_read_header(AVFormatContext *s)
avio_skip(pb, tag_size - 8);
for(;;) {
- if (pb->eof_reached)
+ if (url_feof(pb))
return -1;
tag = avio_rl32(pb);
tag_size = avio_rb32(pb);
@@ -462,7 +491,8 @@ static int rm_read_header(AVFormatContext *s)
avio_rb32(pb); /* max packet size */
avio_rb32(pb); /* avg packet size */
avio_rb32(pb); /* nb packets */
- avio_rb32(pb); /* duration */
+ duration = avio_rb32(pb); /* duration */
+ s->duration = av_rescale(duration, AV_TIME_BASE, 1000);
avio_rb32(pb); /* preroll */
indx_off = avio_rb32(pb); /* index offset */
data_off = avio_rb32(pb); /* data offset */
@@ -486,12 +516,14 @@ static int rm_read_header(AVFormatContext *s)
duration = avio_rb32(pb); /* duration */
st->start_time = start_time;
st->duration = duration;
+ if(duration>0)
+ s->duration = AV_NOPTS_VALUE;
get_str8(pb, buf, sizeof(buf)); /* desc */
- get_str8(pb, buf, sizeof(buf)); /* mimetype */
+ get_str8(pb, mime, sizeof(mime)); /* mimetype */
st->codec->codec_type = AVMEDIA_TYPE_DATA;
st->priv_data = ff_rm_alloc_rmstream();
if (ff_rm_read_mdpr_codecdata(s, s->pb, st, st->priv_data,
- avio_rb32(pb)) < 0)
+ avio_rb32(pb), mime) < 0)
return -1;
break;
case MKTAG('D', 'A', 'T', 'A'):
@@ -544,7 +576,7 @@ static int sync(AVFormatContext *s, int64_t *timestamp, int *flags, int *stream_
AVStream *st;
uint32_t state=0xFFFFFFFF;
- while(!pb->eof_reached){
+ while(!url_feof(pb)){
int len, num, i;
*pos= avio_tell(pb) - 3;
if(rm->remaining_len > 0){
@@ -801,13 +833,14 @@ ff_rm_retrieve_cache (AVFormatContext *s, AVIOContext *pb,
{
RMDemuxContext *rm = s->priv_data;
- assert (rm->audio_pkt_cnt > 0);
+ av_assert0 (rm->audio_pkt_cnt > 0);
if (ast->deint_id == DEINT_ID_VBRF ||
ast->deint_id == DEINT_ID_VBRS)
av_get_packet(pb, pkt, ast->sub_packet_lengths[ast->sub_packet_cnt - rm->audio_pkt_cnt]);
else {
- av_new_packet(pkt, st->codec->block_align);
+ if(av_new_packet(pkt, st->codec->block_align) < 0)
+ return AVERROR(ENOMEM);
memcpy(pkt->data, ast->pkt.data + st->codec->block_align * //FIXME avoid this
(ast->sub_packet_h * ast->audio_framesize / st->codec->block_align - rm->audio_pkt_cnt),
st->codec->block_align);
@@ -835,7 +868,9 @@ static int rm_read_packet(AVFormatContext *s, AVPacket *pkt)
if (rm->audio_pkt_cnt) {
// If there are queued audio packet return them first
st = s->streams[rm->audio_stream_num];
- ff_rm_retrieve_cache(s, s->pb, st, st->priv_data, pkt);
+ res = ff_rm_retrieve_cache(s, s->pb, st, st->priv_data, pkt);
+ if(res < 0)
+ return res;
flags = 0;
} else {
if (rm->old_format) {
@@ -854,7 +889,7 @@ static int rm_read_packet(AVFormatContext *s, AVPacket *pkt)
st = s->streams[i];
}
- if(len<0 || s->pb->eof_reached)
+ if(len<0 || url_feof(s->pb))
return AVERROR(EIO);
res = ff_rm_parse_packet (s, s->pb, st, st->priv_data, len, pkt,
@@ -910,7 +945,9 @@ static int64_t rm_read_dts(AVFormatContext *s, int stream_index,
if(rm->old_format)
return AV_NOPTS_VALUE;
- avio_seek(s->pb, pos, SEEK_SET);
+ if (avio_seek(s->pb, pos, SEEK_SET) < 0)
+ return AV_NOPTS_VALUE;
+
rm->remaining_len=0;
for(;;){
int seq=1;
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 23:46:18 +0000