rtmp: Use nb_invokes for all invoke commands

704af3e29c broke publishing
of rtmp streams, at least publishing to Wowza servers.

This changes all invoke commands to use nb_invokes.

Signed-off-by: Martin Storsjö <martin@martin.st>

libavformat/rtmpproto.c

@@ -75,6 +75,7 @@ typedef struct RTMPContext {
     uint8_t       flv_header[11];             ///< partial incoming flv packet header
     int           flv_header_bytes;           ///< number of initialized bytes in flv_header
     int           nb_invokes;                 ///< keeps track of invoke messages
+    int           create_stream_invoke;       ///< invoke id for the create stream command
 } RTMPContext;
 
 #define PLAYER_KEY_OPEN_PART_LEN 30   ///< length of partial key used for first client digest signing
@@ -115,7 +116,7 @@ static void gen_connect(URLContext *s, RTMPContext *rt, const char *proto,
 
     ff_url_join(tcurl, sizeof(tcurl), proto, NULL, host, port, "/%s", rt->app);
     ff_amf_write_string(&p, "connect");
-    ff_amf_write_number(&p, 1.0);
+    ff_amf_write_number(&p, ++rt->nb_invokes);
     ff_amf_write_object_start(&p);
     ff_amf_write_field_name(&p, "app");
     ff_amf_write_string(&p, rt->app);
@@ -237,6 +238,7 @@ static void gen_create_stream(URLContext *s, RTMPContext *rt)
     ff_amf_write_string(&p, "createStream");
     ff_amf_write_number(&p, ++rt->nb_invokes);
     ff_amf_write_null(&p);
+    rt->create_stream_invoke = rt->nb_invokes;
 
     ff_rtmp_packet_write(rt->stream, &pkt, rt->chunk_size, rt->prev_pkt[1]);
     ff_rtmp_packet_destroy(&pkt);
@@ -257,7 +259,7 @@ static void gen_delete_stream(URLContext *s, RTMPContext *rt)
 
     p = pkt.data;
     ff_amf_write_string(&p, "deleteStream");
-    ff_amf_write_number(&p, 0.0);
+    ff_amf_write_number(&p, ++rt->nb_invokes);
     ff_amf_write_null(&p);
     ff_amf_write_number(&p, rt->main_channel_id);
 
@@ -281,7 +283,7 @@ static void gen_play(URLContext *s, RTMPContext *rt)
 
     p = pkt.data;
     ff_amf_write_string(&p, "play");
-    ff_amf_write_number(&p, 0.0);
+    ff_amf_write_number(&p, ++rt->nb_invokes);
     ff_amf_write_null(&p);
     ff_amf_write_string(&p, rt->playpath);
 
@@ -315,7 +317,7 @@ static void gen_publish(URLContext *s, RTMPContext *rt)
 
     p = pkt.data;
     ff_amf_write_string(&p, "publish");
-    ff_amf_write_number(&p, 0.0);
+    ff_amf_write_number(&p, ++rt->nb_invokes);
     ff_amf_write_null(&p);
     ff_amf_write_string(&p, rt->playpath);
     ff_amf_write_string(&p, "live");
@@ -614,7 +616,7 @@ static int rtmp_parse_result(URLContext *s, RTMPContext *rt, RTMPPacket *pkt)
                  * releaseStream and FCPublish calls */
                 if (!pkt->data[10]) {
                     int pkt_id = (int) av_int2dbl(AV_RB64(pkt->data + 11));
-                    if (pkt_id == 4)
+                    if (pkt_id == rt->create_stream_invoke)
                         rt->state = STATE_CONNECTING;
                 }
                 if (rt->state != STATE_CONNECTING)