FS-7519: avformat tweaks for broadcast

src/mod/formats/mod_avformat/mod_avformat.c

@@ -231,6 +231,8 @@ static switch_status_t add_stream(OutputStream *ost, AVFormatContext *oc, AVCode
 		/* Resolution must be a multiple of two. */
 		c->width    = ost->width;
 		c->height   = ost->height;
+		ost->st->time_base.den = 1000;
+		ost->st->time_base.num = 1;
 		c->time_base.den = 1000;
 		c->time_base.num = 1;
 		c->gop_size      = 25; /* emit one intra frame every x frames at most */
@@ -238,6 +240,10 @@ static switch_status_t add_stream(OutputStream *ost, AVFormatContext *oc, AVCode
 		c->thread_count  = threads;
 		c->rc_initial_buffer_occupancy = buffer_bytes * 8;
 
+		if (codec_id == AV_CODEC_ID_H264) {
+			c->ticks_per_frame = 2;
+		}
+
 		if (codec_id == AV_CODEC_ID_VP8) {
 			av_set_options_string(c, "quality=realtime", "=", ":");
 		}
@@ -1209,7 +1215,7 @@ static switch_status_t av_file_open(switch_file_handle_t *handle, const char *pa
 			}
 			
 			fmt->audio_codec = AV_CODEC_ID_AAC;
-			
+			handle->samplerate = 44100;
 			handle->mm.samplerate = 44100;
 			handle->mm.ab = 128;