From 817d967d96995ac63b4f74101768b29b6da5aece Mon Sep 17 00:00:00 2001 From: Kostya Shishkov Date: Tue, 1 Dec 2009 16:43:53 +0000 Subject: [PATCH] Write timestamp deltas, not timestamps, for RTMP packets with partial header Originally committed as revision 20686 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/rtmppkt.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/libavformat/rtmppkt.c b/libavformat/rtmppkt.c index 37846e3cea..b48493ba11 100644 --- a/libavformat/rtmppkt.c +++ b/libavformat/rtmppkt.c @@ -163,15 +163,18 @@ int ff_rtmp_packet_write(URLContext *h, RTMPPacket *pkt, bytestream_put_le16(&p, pkt->channel_id - 64); } if (mode != RTMP_PS_ONEBYTE) { - bytestream_put_be24(&p, pkt->timestamp >= 0xFFFFFF ? 0xFFFFFF : pkt->timestamp); + uint32_t timestamp = pkt->timestamp; + if (mode != RTMP_PS_TWELVEBYTES) + timestamp -= prev_pkt[pkt->channel_id].timestamp; + bytestream_put_be24(&p, timestamp >= 0xFFFFFF ? 0xFFFFFF : timestamp); if (mode != RTMP_PS_FOURBYTES) { bytestream_put_be24(&p, pkt->data_size); bytestream_put_byte(&p, pkt->type); if (mode == RTMP_PS_TWELVEBYTES) bytestream_put_le32(&p, pkt->extra); } - if (pkt->timestamp >= 0xFFFFFF) - bytestream_put_be32(&p, pkt->timestamp); + if (timestamp >= 0xFFFFFF) + bytestream_put_be32(&p, timestamp); } url_write(h, pkt_hdr, p-pkt_hdr); while (off < pkt->data_size) {