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Call GstBaseVideoEncoder::start/stop during pad [de]activation.

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This commit is contained in:
Alessandro Decina 2009-10-01 16:24:50 +02:00
parent 8917a706da
commit 4c087bcb07
1 changed files with 50 additions and 5 deletions
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55
gst-libs/gst/video/gstbasevideoencoder.c
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@ -27,6 +27,8 @@
GST_DEBUG_CATEGORY_EXTERN (basevideo_debug);
#define GST_CAT_DEFAULT basevideo_debug
static gboolean gst_base_video_encoder_sink_activate (GstBaseVideoEncoder *
base_video_encoder, gboolean active);
static void gst_base_video_encoder_finalize (GObject * object);
static gboolean gst_base_video_encoder_sink_setcaps (GstPad * pad,
@ -41,6 +43,8 @@ static const GstQueryType *gst_base_video_encoder_get_query_types (GstPad *
pad);
static gboolean gst_base_video_encoder_src_query (GstPad * pad,
GstQuery * query);
static gboolean gst_base_video_encoder_sink_activate_push (GstPad * pad,
gboolean active);
static void
_do_init (GType object_type)
@ -90,6 +94,8 @@ gst_base_video_encoder_init (GstBaseVideoEncoder * base_video_encoder,
pad = GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_encoder);
gst_pad_set_activatepush_function (pad,
gst_base_video_encoder_sink_activate_push);
gst_pad_set_chain_function (pad, gst_base_video_encoder_chain);
gst_pad_set_event_function (pad, gst_base_video_encoder_sink_event);
gst_pad_set_setcaps_function (pad, gst_base_video_encoder_sink_setcaps);
@ -100,6 +106,50 @@ gst_base_video_encoder_init (GstBaseVideoEncoder * base_video_encoder,
gst_pad_set_query_function (pad, gst_base_video_encoder_src_query);
}
static gboolean
gst_base_video_encoder_sink_activate (GstBaseVideoEncoder * encoder,
gboolean active)
{
GstBaseVideoEncoderClass *klass;
gboolean result = FALSE;
GST_DEBUG_OBJECT (encoder, "activate");
klass = GST_BASE_VIDEO_ENCODER_GET_CLASS (encoder);
if (active) {
if (klass->start)
result = klass->start (encoder);
} else {
/* We must make sure streaming has finished before resetting things
* and calling the ::stop vfunc */
GST_PAD_STREAM_LOCK (GST_BASE_VIDEO_CODEC_SINK_PAD (encoder));
GST_PAD_STREAM_UNLOCK (GST_BASE_VIDEO_CODEC_SINK_PAD (encoder));
if (klass->stop)
result = klass->stop (encoder);
}
GST_DEBUG_OBJECT (encoder, "activate: %d", result);
return result;
}
static gboolean
gst_base_video_encoder_sink_activate_push (GstPad * pad, gboolean active)
{
gboolean result = TRUE;
GstBaseVideoEncoder *base_video_encoder;
base_video_encoder = GST_BASE_VIDEO_ENCODER (gst_pad_get_parent (pad));
result = gst_base_video_encoder_sink_activate (base_video_encoder, active);
gst_object_unref (base_video_encoder);
return result;
}
static gboolean
gst_base_video_encoder_sink_setcaps (GstPad * pad, GstCaps * caps)
{
@ -117,8 +167,6 @@ gst_base_video_encoder_sink_setcaps (GstPad * pad, GstCaps * caps)
base_video_encoder_class->set_format (base_video_encoder,
&base_video_encoder->state);
base_video_encoder_class->start (base_video_encoder);
g_object_unref (base_video_encoder);
return TRUE;
@ -369,9 +417,6 @@ gst_base_video_encoder_change_state (GstElement * element,
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
if (base_video_encoder_class->stop) {
base_video_encoder_class->stop (base_video_encoder);
}
break;
default:
break;