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basevideoencoder: elaborate finish to draining

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This commit is contained in:
Mark Nauwelaerts 2011-03-23 22:17:49 +01:00
parent 4b5623d687
commit d68288b597
2 changed files with 40 additions and 3 deletions
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42
gst-libs/gst/video/gstbasevideoencoder.c
View file

@ -80,6 +80,7 @@ gst_base_video_encoder_reset (GstBaseVideoEncoder * base_video_encoder)
base_video_encoder->force_keyframe = FALSE;
base_video_encoder->set_output_caps = FALSE;
base_video_encoder->drained = TRUE;
base_video_encoder->min_latency = 0;
base_video_encoder->max_latency = 0;
@ -121,6 +122,43 @@ gst_base_video_encoder_init (GstBaseVideoEncoder * base_video_encoder,
base_video_encoder->sink_clipping = TRUE;
}
static gboolean
gst_base_video_encoder_drain (GstBaseVideoEncoder * enc)
{
GstBaseVideoCodec *codec;
GstBaseVideoEncoderClass *enc_class;
gboolean ret = TRUE;
codec = GST_BASE_VIDEO_CODEC (enc);
enc_class = GST_BASE_VIDEO_ENCODER_GET_CLASS (enc);
GST_DEBUG_OBJECT (enc, "draining");
if (enc->drained) {
GST_DEBUG_OBJECT (enc, "already drained");
return TRUE;
}
if (enc_class->finish) {
GST_DEBUG_OBJECT (enc, "requesting subclass to finish");
ret = enc_class->finish (enc);
}
/* everything should be away now */
if (codec->frames) {
/* not fatal/impossible though if subclass/codec eats stuff */
GST_WARNING_OBJECT (enc, "still %d frames left after draining",
g_list_length (codec->frames));
#if 0
/* FIXME should do this, but subclass may come up with it later on ?
* and would then need refcounting or so on frames */
g_list_foreach (codec->frames,
(GFunc) gst_base_video_codec_free_frame, NULL);
#endif
}
return ret;
}
static gboolean
gst_base_video_encoder_sink_setcaps (GstPad * pad, GstCaps * caps)
{
@ -197,9 +235,7 @@ gst_base_video_encoder_sink_eventfunc (GstBaseVideoEncoder * base_video_encoder,
case GST_EVENT_EOS:
{
base_video_encoder->a.at_eos = TRUE;
if (base_video_encoder_class->finish) {
base_video_encoder_class->finish (base_video_encoder);
}
gst_base_video_encoder_drain (base_video_encoder);
break;
}
case GST_EVENT_NEWSEGMENT:

1
gst-libs/gst/video/gstbasevideoencoder.h
View file

@ -74,6 +74,7 @@ struct _GstBaseVideoEncoder
/*< private >*/
/* FIXME move to real private part ? */
gboolean set_output_caps;
gboolean drained;
gint64 min_latency;
gint64 max_latency;