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rtmpproto: Add a comment explaining the logic in handle_notify

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This explains why the cleanup in 5626f994f was wrong and why
ae0f316a was needed.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö
2013-09-19 12:48:04 +03:00
parent e5d45e028c
commit b97b1adb3f
1 changed files with 2 additions and 0 deletions
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2
libavformat/rtmpproto.c
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@@ -2095,9 +2095,11 @@ static int handle_notify(URLContext *s, RTMPPacket *pkt) {
// generate packet header and put data into buffer for FLV demuxer // generate packet header and put data into buffer for FLV demuxer
if (rt->flv_off < rt->flv_size) { if (rt->flv_off < rt->flv_size) {
// There is old unread data in the buffer, thus append at the end
old_flv_size = rt->flv_size; old_flv_size = rt->flv_size;
rt->flv_size += datatowritelength + 15; rt->flv_size += datatowritelength + 15;
} else { } else {
// All data has been read, write the new data at the start of the buffer
old_flv_size = 0; old_flv_size = 0;
rt->flv_size = datatowritelength + 15; rt->flv_size = datatowritelength + 15;
rt->flv_off = 0; rt->flv_off = 0;