From 3d72afd92492cb247230e02d0ab9f55b123fbbcc Mon Sep 17 00:00:00 2001 From: Mark Nauwelaerts Date: Mon, 25 Oct 2010 14:15:50 +0200 Subject: [PATCH] baseparse: reflow update_bitrate code ... which makes local variables represent real state better, and avoids triggering unneeded updates/actions. --- gst/audioparsers/gstbaseparse.c | 42 +++++++++++++++++++++++------------------ 1 file changed, 24 insertions(+), 18 deletions(-) diff --git a/gst/audioparsers/gstbaseparse.c b/gst/audioparsers/gstbaseparse.c index 324cec9..fbbe30a 100644 --- a/gst/audioparsers/gstbaseparse.c +++ b/gst/audioparsers/gstbaseparse.c @@ -1140,27 +1140,30 @@ gst_base_parse_update_bitrates (GstBaseParse * parse, GstBuffer * buffer) GST_LOG_OBJECT (parse, "frame bitrate %u, avg bitrate %u", frame_bitrate, parse->priv->avg_bitrate); - if (frame_bitrate < parse->priv->min_bitrate) { - parse->priv->min_bitrate = frame_bitrate; - update_min = TRUE; - } - - if (frame_bitrate > parse->priv->max_bitrate) { - parse->priv->max_bitrate = frame_bitrate; - update_max = TRUE; - } + if (parse->priv->framecount < MIN_FRAMES_TO_POST_BITRATE) { + goto exit; + } else if (parse->priv->framecount == MIN_FRAMES_TO_POST_BITRATE) { + /* always post all at threshold time */ + update_min = update_max = update_avg = TRUE; + } else { + if (frame_bitrate < parse->priv->min_bitrate) { + parse->priv->min_bitrate = frame_bitrate; + update_min = TRUE; + } - old_avg_bitrate = parse->priv->posted_avg_bitrate; - if ((gint) (old_avg_bitrate - parse->priv->avg_bitrate) > update_threshold || - (gint) (parse->priv->avg_bitrate - old_avg_bitrate) > update_threshold) - update_avg = TRUE; + if (frame_bitrate > parse->priv->max_bitrate) { + parse->priv->max_bitrate = frame_bitrate; + update_max = TRUE; + } - /* always post all at threshold time */ - if (parse->priv->framecount == MIN_FRAMES_TO_POST_BITRATE) - gst_base_parse_post_bitrates (parse, TRUE, TRUE, TRUE); + old_avg_bitrate = parse->priv->posted_avg_bitrate; + if ((gint) (old_avg_bitrate - parse->priv->avg_bitrate) > update_threshold + || (gint) (parse->priv->avg_bitrate - old_avg_bitrate) > + update_threshold) + update_avg = TRUE; + } - if (parse->priv->framecount > MIN_FRAMES_TO_POST_BITRATE && - (update_min || update_avg || update_max)) + if ((update_min || update_avg || update_max)) gst_base_parse_post_bitrates (parse, update_min, update_avg, update_max); /* If average bitrate changes that much and no valid (time) duration provided, @@ -1170,6 +1173,9 @@ gst_base_parse_update_bitrates (GstBaseParse * parse, GstBuffer * buffer) GST_CLOCK_TIME_IS_VALID (parse->priv->duration))) gst_element_post_message (GST_ELEMENT (parse), gst_message_new_duration (GST_OBJECT (parse), GST_FORMAT_TIME, -1)); + +exit: + return; } /** -- 2.7.4