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[MOVED FROM BAD 072/134] basevideodecoder: invoke subclass start method at state change and use set_format

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While this changes API slightly (e.g. actually uses set_format now), which is OK
for unstable API, it has following merits:
* symmetric w.r.t. stop at state change
* in line with other base class practice
* otherwise no subclass method at state change (global activation time)
Moreover, subclassese are either unaffected or trivially adjusted accordingly.
This commit is contained in:
Mark Nauwelaerts 2011-03-29 10:41:54 +02:00 committed by Sebastian Dröge
parent e03fefc740
commit 47067f7d1e
1 changed files with 14 additions and 0 deletions
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14
ext/vp8/gstvp8dec.c
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@ -98,6 +98,8 @@ static void gst_vp8_dec_get_property (GObject * object, guint prop_id,
static gboolean gst_vp8_dec_start (GstBaseVideoDecoder * decoder);
static gboolean gst_vp8_dec_stop (GstBaseVideoDecoder * decoder);
static gboolean gst_vp8_dec_set_format (GstBaseVideoDecoder * decoder,
GstVideoState * state);
static gboolean gst_vp8_dec_reset (GstBaseVideoDecoder * decoder);
static GstFlowReturn gst_vp8_dec_parse_data (GstBaseVideoDecoder * decoder,
gboolean at_eos);
@ -175,6 +177,7 @@ gst_vp8_dec_class_init (GstVP8DecClass * klass)
base_video_decoder_class->start = gst_vp8_dec_start;
base_video_decoder_class->stop = gst_vp8_dec_stop;
base_video_decoder_class->reset = gst_vp8_dec_reset;
base_video_decoder_class->set_format = gst_vp8_dec_set_format;
base_video_decoder_class->parse_data = gst_vp8_dec_parse_data;
base_video_decoder_class->handle_frame = gst_vp8_dec_handle_frame;
@ -274,6 +277,17 @@ gst_vp8_dec_stop (GstBaseVideoDecoder * base_video_decoder)
return TRUE;
}
static gboolean
gst_vp8_dec_set_format (GstBaseVideoDecoder * decoder, GstVideoState * state)
{
GstVP8Dec *gst_vp8_dec = GST_VP8_DEC (decoder);
GST_DEBUG_OBJECT (gst_vp8_dec, "set_format");
gst_vp8_dec->decoder_inited = FALSE;
return TRUE;
}
static gboolean
gst_vp8_dec_reset (GstBaseVideoDecoder * base_video_decoder)
{