recorder now writes correct flv track mask

Author: arut

ngx_rtmp_record_module.c

@@ -790,13 +790,31 @@ ngx_rtmp_record_node_close(ngx_rtmp_session_t *s,
     void                      **app_conf;
     ngx_int_t                   rc;
     ngx_rtmp_record_done_t      v;
+    u_char                      av;
 
     rracf = rctx->conf;
 
     if (rctx->file.fd == NGX_INVALID_FILE) {
         return NGX_AGAIN;
     }
 
+    if (rctx->initialized) {
+        av = 0;
+
+        if (rctx->video) {
+            av |= 0x01;
+        }
+
+        if (rctx->audio) {
+            av |= 0x04;
+        }
+
+        if (ngx_write_file(&rctx->file, &av, 1, 4) == NGX_ERROR) {
+            ngx_log_error(NGX_LOG_CRIT, s->connection->log, ngx_errno,
+                          "record: %V error writing av mask", &rracf->id);
+        }
+    }
+
     if (ngx_close_file(rctx->file.fd) == NGX_FILE_ERROR) {
         err = ngx_errno;
         ngx_log_error(NGX_LOG_CRIT, s->connection->log, err,
@@ -866,6 +884,12 @@ ngx_rtmp_record_write_frame(ngx_rtmp_session_t *s,
                    "record: %V frame: mlen=%uD",
                    &rracf->id, h->mlen);
 
+    if (h->type == NGX_RTMP_MSG_VIDEO) {
+        rctx->video = 1;
+    } else {
+        rctx->audio = 1;
+    }
+
     timestamp = h->timestamp - rctx->epoch;
 
     /* write tag header */

ngx_rtmp_record_module.h

@@ -51,6 +51,8 @@ typedef struct {
     unsigned                            aac_header_sent:1;
     unsigned                            avc_header_sent:1;
     unsigned                            video_key_sent:1;
+    unsigned                            audio:1;
+    unsigned                            video:1;
 } ngx_rtmp_record_rec_ctx_t;