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rtmp: Factorize the code by adding handle_invoke

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Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Samuel Pitoiset 2012-07-21 12:59:58 +02:00 committed by Martin Storsjö
parent 7be2a7d8ff
commit 6d1c9945dd
1 changed files with 77 additions and 66 deletions
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143
libavformat/rtmpproto.c
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@ -953,50 +953,23 @@ static int handle_server_bw(URLContext *s, RTMPPacket *pkt)
return 0; return 0;
} }
/** static int handle_invoke(URLContext *s, RTMPPacket *pkt)
* Parse received packet and possibly perform some action depending on
* the packet contents.
* @return 0 for no errors, negative values for serious errors which prevent
* further communications, positive values for uncritical errors
*/
static int rtmp_parse_result(URLContext *s, RTMPContext *rt, RTMPPacket *pkt)
{ {
RTMPContext *rt = s->priv_data;
int i, t; int i, t;
const uint8_t *data_end = pkt->data + pkt->data_size; const uint8_t *data_end = pkt->data + pkt->data_size;
int ret; int ret;
#ifdef DEBUG //TODO: check for the messages sent for wrong state?
ff_rtmp_packet_dump(s, pkt); if (!memcmp(pkt->data, "\002\000\006_error", 9)) {
#endif uint8_t tmpstr[256];
switch (pkt->type) { if (!ff_amf_get_field_value(pkt->data + 9, data_end,
case RTMP_PT_CHUNK_SIZE: "description", tmpstr, sizeof(tmpstr)))
if ((ret = handle_chunk_size(s, pkt)) < 0) av_log(s, AV_LOG_ERROR, "Server error: %s\n",tmpstr);
return ret; return -1;
break; } else if (!memcmp(pkt->data, "\002\000\007_result", 10)) {
case RTMP_PT_PING: switch (rt->state) {
if ((ret = handle_ping(s, pkt)) < 0)
return ret;
break;
case RTMP_PT_CLIENT_BW:
if ((ret = handle_client_bw(s, pkt)) < 0)
return ret;
break;
case RTMP_PT_SERVER_BW:
if ((ret = handle_server_bw(s, pkt)) < 0)
return ret;
break;
case RTMP_PT_INVOKE:
//TODO: check for the messages sent for wrong state?
if (!memcmp(pkt->data, "\002\000\006_error", 9)) {
uint8_t tmpstr[256];
if (!ff_amf_get_field_value(pkt->data + 9, data_end,
"description", tmpstr, sizeof(tmpstr)))
av_log(s, AV_LOG_ERROR, "Server error: %s\n",tmpstr);
return -1;
} else if (!memcmp(pkt->data, "\002\000\007_result", 10)) {
switch (rt->state) {
case STATE_HANDSHAKED: case STATE_HANDSHAKED:
if (!rt->is_input) { if (!rt->is_input) {
if ((ret = gen_release_stream(s, rt)) < 0) if ((ret = gen_release_stream(s, rt)) < 0)
@ -1044,35 +1017,73 @@ static int rtmp_parse_result(URLContext *s, RTMPContext *rt, RTMPPacket *pkt)
} }
rt->state = STATE_READY; rt->state = STATE_READY;
break; break;
}
} else if (!memcmp(pkt->data, "\002\000\010onStatus", 11)) {
const uint8_t* ptr = pkt->data + 11;
uint8_t tmpstr[256];
for (i = 0; i < 2; i++) {
t = ff_amf_tag_size(ptr, data_end);
if (t < 0)
return 1;
ptr += t;
}
t = ff_amf_get_field_value(ptr, data_end,
"level", tmpstr, sizeof(tmpstr));
if (!t && !strcmp(tmpstr, "error")) {
if (!ff_amf_get_field_value(ptr, data_end,
"description", tmpstr, sizeof(tmpstr)))
av_log(s, AV_LOG_ERROR, "Server error: %s\n",tmpstr);
return -1;
}
t = ff_amf_get_field_value(ptr, data_end,
"code", tmpstr, sizeof(tmpstr));
if (!t && !strcmp(tmpstr, "NetStream.Play.Start")) rt->state = STATE_PLAYING;
if (!t && !strcmp(tmpstr, "NetStream.Play.Stop")) rt->state = STATE_STOPPED;
if (!t && !strcmp(tmpstr, "NetStream.Play.UnpublishNotify")) rt->state = STATE_STOPPED;
if (!t && !strcmp(tmpstr, "NetStream.Publish.Start")) rt->state = STATE_PUBLISHING;
} else if (!memcmp(pkt->data, "\002\000\010onBWDone", 11)) {
if ((ret = gen_check_bw(s, rt)) < 0)
return ret;
} }
} else if (!memcmp(pkt->data, "\002\000\010onStatus", 11)) {
const uint8_t* ptr = pkt->data + 11;
uint8_t tmpstr[256];
for (i = 0; i < 2; i++) {
t = ff_amf_tag_size(ptr, data_end);
if (t < 0)
return 1;
ptr += t;
}
t = ff_amf_get_field_value(ptr, data_end,
"level", tmpstr, sizeof(tmpstr));
if (!t && !strcmp(tmpstr, "error")) {
if (!ff_amf_get_field_value(ptr, data_end,
"description", tmpstr, sizeof(tmpstr)))
av_log(s, AV_LOG_ERROR, "Server error: %s\n",tmpstr);
return -1;
}
t = ff_amf_get_field_value(ptr, data_end,
"code", tmpstr, sizeof(tmpstr));
if (!t && !strcmp(tmpstr, "NetStream.Play.Start")) rt->state = STATE_PLAYING;
if (!t && !strcmp(tmpstr, "NetStream.Play.Stop")) rt->state = STATE_STOPPED;
if (!t && !strcmp(tmpstr, "NetStream.Play.UnpublishNotify")) rt->state = STATE_STOPPED;
if (!t && !strcmp(tmpstr, "NetStream.Publish.Start")) rt->state = STATE_PUBLISHING;
} else if (!memcmp(pkt->data, "\002\000\010onBWDone", 11)) {
if ((ret = gen_check_bw(s, rt)) < 0)
return ret;
}
return 0;
}
/**
* Parse received packet and possibly perform some action depending on
* the packet contents.
* @return 0 for no errors, negative values for serious errors which prevent
* further communications, positive values for uncritical errors
*/
static int rtmp_parse_result(URLContext *s, RTMPContext *rt, RTMPPacket *pkt)
{
int ret;
#ifdef DEBUG
ff_rtmp_packet_dump(s, pkt);
#endif
switch (pkt->type) {
case RTMP_PT_CHUNK_SIZE:
if ((ret = handle_chunk_size(s, pkt)) < 0)
return ret;
break;
case RTMP_PT_PING:
if ((ret = handle_ping(s, pkt)) < 0)
return ret;
break;
case RTMP_PT_CLIENT_BW:
if ((ret = handle_client_bw(s, pkt)) < 0)
return ret;
break;
case RTMP_PT_SERVER_BW:
if ((ret = handle_server_bw(s, pkt)) < 0)
return ret;
break;
case RTMP_PT_INVOKE:
if ((ret = handle_invoke(s, pkt)) < 0)
return ret;
break; break;
case RTMP_PT_VIDEO: case RTMP_PT_VIDEO:
case RTMP_PT_AUDIO: case RTMP_PT_AUDIO: