From: Nicolas Dufresne <nicolas.dufresne@collabora.co.uk>
Date: Thu, 13 Sep 2012 13:36:14 +0000 (-0400)
Subject: viddec: Set latency base on the number of bframes
X-Git-Tag: RELEASE-0.11.94~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3ca45b8c454699aef97b4a162e5472e3b4b86537;p=platform%2Fupstream%2Fgst-libav.git

viddec: Set latency base on the number of bframes
---

diff --git a/ext/libav/gstavviddec.c b/ext/libav/gstavviddec.c
index 121297c..588d2b2 100644
--- a/ext/libav/gstavviddec.c
+++ b/ext/libav/gstavviddec.c
@@ -403,6 +403,7 @@ gst_ffmpegviddec_set_format (GstVideoDecoder * decoder,
 {
   GstFFMpegVidDec *ffmpegdec;
   GstFFMpegVidDecClass *oclass;
+  GstClockTime latency = GST_CLOCK_TIME_NONE;
   gboolean ret = FALSE;
 
   ffmpegdec = (GstFFMpegVidDec *) decoder;
@@ -489,11 +490,20 @@ gst_ffmpegviddec_set_format (GstVideoDecoder * decoder,
     gst_video_codec_state_unref (ffmpegdec->input_state);
   ffmpegdec->input_state = gst_video_codec_state_ref (state);
 
+  if (ffmpegdec->input_state->info.fps_n) {
+    GstVideoInfo *info = &ffmpegdec->input_state->info;
+    latency = gst_util_uint64_scale_ceil (
+        (ffmpegdec->context->has_b_frames) * GST_SECOND, info->fps_d,
+        info->fps_n);
+  }
+
   ret = TRUE;
 
 done:
   GST_OBJECT_UNLOCK (ffmpegdec);
 
+  gst_video_decoder_set_latency (decoder, latency, latency);
+
   return ret;
 
   /* ERRORS */