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rtmp: Set the client buffer time to 3s instead of 0.26s

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This factorizes existing code into a new function gen_buffer_time(),
which generates the client buffer time message and sends it to the
server.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Samuel Pitoiset 2012-06-13 14:48:02 +02:00 committed by Martin Storsjö
parent c2d38beab2
commit 9477c035a7
1 changed files with 29 additions and 17 deletions
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46
libavformat/rtmpproto.c
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@ -89,6 +89,7 @@ typedef struct RTMPContext {
char* flashver; ///< version of the flash plugin
char* swfurl; ///< url of the swf player
int server_bw; ///< server bandwidth
int client_buffer_time; ///< client buffer time in ms
} RTMPContext;
#define PLAYER_KEY_OPEN_PART_LEN 30 ///< length of partial key used for first client digest signing
@ -407,6 +408,31 @@ static int gen_delete_stream(URLContext *s, RTMPContext *rt)
return ret;
}
/**
* Generate client buffer time and send it to the server.
*/
static int gen_buffer_time(URLContext *s, RTMPContext *rt)
{
RTMPPacket pkt;
uint8_t *p;
int ret;
if ((ret = ff_rtmp_packet_create(&pkt, RTMP_NETWORK_CHANNEL, RTMP_PT_PING,
1, 10)) < 0)
return ret;
p = pkt.data;
bytestream_put_be16(&p, 3);
bytestream_put_be32(&p, rt->main_channel_id);
bytestream_put_be32(&p, rt->client_buffer_time);
ret = ff_rtmp_packet_write(rt->stream, &pkt, rt->chunk_size,
rt->prev_pkt[1]);
ff_rtmp_packet_destroy(&pkt);
return ret;
}
/**
* Generate 'play' call and send it to the server, then ping the server
* to start actual playing.
@ -436,23 +462,6 @@ static int gen_play(URLContext *s, RTMPContext *rt)
rt->prev_pkt[1]);
ff_rtmp_packet_destroy(&pkt);
if (ret < 0)
return ret;
// set client buffer time disguised in ping packet
if ((ret = ff_rtmp_packet_create(&pkt, RTMP_NETWORK_CHANNEL, RTMP_PT_PING,
1, 10)) < 0)
return ret;
p = pkt.data;
bytestream_put_be16(&p, 3);
bytestream_put_be32(&p, 1);
bytestream_put_be32(&p, 256); //TODO: what is a good value here?
ret = ff_rtmp_packet_write(rt->stream, &pkt, rt->chunk_size,
rt->prev_pkt[1]);
ff_rtmp_packet_destroy(&pkt);
return ret;
}
@ -910,6 +919,8 @@ static int rtmp_parse_result(URLContext *s, RTMPContext *rt, RTMPPacket *pkt)
if (rt->is_input) {
if ((ret = gen_play(s, rt)) < 0)
return ret;
if ((ret = gen_buffer_time(s, rt)) < 0)
return ret;
} else {
if ((ret = gen_publish(s, rt)) < 0)
return ret;
@ -1208,6 +1219,7 @@ static int rtmp_open(URLContext *s, const char *uri, int flags)
rt->bytes_read = 0;
rt->last_bytes_read = 0;
rt->server_bw = 2500000;
rt->client_buffer_time = 3000;
av_log(s, AV_LOG_DEBUG, "Proto = %s, path = %s, app = %s, fname = %s\n",
proto, path, rt->app, rt->playpath);