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Merge commit '5b2ad78f97d43299adcb038c04346999fe9b196c'

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* commit '5b2ad78f97d43299adcb038c04346999fe9b196c':
  rtmppkt: Handle extended timestamp field even for one-byte header

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-03-07 12:52:59 +01:00
commit d540e7577a
2 changed files with 12 additions and 10 deletions
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20
libavformat/rtmppkt.c
View File

@ -169,6 +169,7 @@ static int rtmp_packet_read_one_chunk(URLContext *h, RTMPPacket *p,
uint8_t buf[16];
int channel_id, timestamp, size;
uint32_t ts_field; // non-extended timestamp or delta field
uint32_t extra = 0;
enum RTMPPacketType type;
int written = 0;
@ -195,12 +196,12 @@ static int rtmp_packet_read_one_chunk(URLContext *h, RTMPPacket *p,
hdr >>= 6;
if (hdr == RTMP_PS_ONEBYTE) {
timestamp = prev_pkt[channel_id].ts_delta;
ts_field = prev_pkt[channel_id].ts_delta;
} else {
if (ffurl_read_complete(h, buf, 3) != 3)
return AVERROR(EIO);
written += 3;
timestamp = AV_RB24(buf);
ts_field = AV_RB24(buf);
if (hdr != RTMP_PS_FOURBYTES) {
if (ffurl_read_complete(h, buf, 3) != 3)
return AVERROR(EIO);
@ -217,11 +218,13 @@ static int rtmp_packet_read_one_chunk(URLContext *h, RTMPPacket *p,
extra = AV_RL32(buf);
}
}
if (timestamp == 0xFFFFFF) {
if (ffurl_read_complete(h, buf, 4) != 4)
return AVERROR(EIO);
timestamp = AV_RB32(buf);
}
}
if (ts_field == 0xFFFFFF) {
if (ffurl_read_complete(h, buf, 4) != 4)
return AVERROR(EIO);
timestamp = AV_RB32(buf);
} else {
timestamp = ts_field;
}
if (hdr != RTMP_PS_TWELVEBYTES)
timestamp += prev_pkt[channel_id].timestamp;
@ -232,8 +235,7 @@ static int rtmp_packet_read_one_chunk(URLContext *h, RTMPPacket *p,
return ret;
p->read = written;
p->offset = 0;
prev_pkt[channel_id].ts_delta = timestamp -
prev_pkt[channel_id].timestamp;
prev_pkt[channel_id].ts_delta = ts_field;
prev_pkt[channel_id].timestamp = timestamp;
} else {
// previous packet in this channel hasn't completed reading

2
libavformat/rtmppkt.h
View File

@ -78,7 +78,7 @@ typedef struct RTMPPacket {
int channel_id; ///< RTMP channel ID (nothing to do with audio/video channels though)
RTMPPacketType type; ///< packet payload type
uint32_t timestamp; ///< packet full timestamp
uint32_t ts_delta; ///< timestamp increment to the previous one in milliseconds (latter only for media packets)
uint32_t ts_delta; ///< 24-bit timestamp or increment to the previous one, in milliseconds (latter only for media packets). Clipped to a maximum of 0xFFFFFF, indicating an extended timestamp field.
uint32_t extra; ///< probably an additional channel ID used during streaming data
uint8_t *data; ///< packet payload
int size; ///< packet payload size