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avformat/hls: do not call ffurl_seek/ffurl_size on crypto protocol

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ffurl_seek() will not work even when it should be a no-op, so do not
call it on crypto protocol.

Also replace use of ffurl_size() for the same reason.

Reported-by: Michael Schenk <Michael.Schenk@albistechnologies.com>
Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
This commit is contained in:
Anssi Hannula 2014-04-10 23:50:13 +03:00
parent 517cc81e93
commit 39b192b8e1
1 changed files with 5 additions and 5 deletions
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10
libavformat/hls.c
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@ -811,14 +811,14 @@ static void intercept_id3(struct playlist *pls, uint8_t *buf,
if (ff_id3v2_match(buf, ID3v2_DEFAULT_MAGIC)) {
struct segment *seg = pls->segments[pls->cur_seq_no - pls->start_seq_no];
int64_t segsize = seg->size >= 0 ? seg->size : ffurl_size(pls->input);
int64_t maxsize = seg->size >= 0 ? seg->size : 1024*1024;
int taglen = ff_id3v2_tag_len(buf);
int tag_got_bytes = FFMIN(taglen, *len);
int remaining = taglen - tag_got_bytes;
if (taglen > segsize) {
av_log(pls->ctx, AV_LOG_ERROR, "Too large HLS ID3 tag (%d vs %"PRId64")\n",
taglen, segsize);
if (taglen > maxsize) {
av_log(pls->ctx, AV_LOG_ERROR, "Too large HLS ID3 tag (%d > %"PRId64" bytes)\n",
taglen, maxsize);
break;
}
@ -956,7 +956,7 @@ static int open_input(HLSContext *c, struct playlist *pls)
/* Seek to the requested position. If this was a HTTP request, the offset
* should already be where want it to, but this allows e.g. local testing
* without a HTTP server. */
if (ret == 0) {
if (ret == 0 && seg->key_type == KEY_NONE) {
int seekret = ffurl_seek(pls->input, seg->url_offset, SEEK_SET);
if (seekret < 0) {
av_log(pls->parent, AV_LOG_ERROR, "Unable to seek to offset %"PRId64" of HLS segment '%s'\n", seg->url_offset, seg->url);