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[MOVED FROM BAD 016/134] vp8enc: Implement GstTagSetter interface

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This commit is contained in:
Sebastian Dröge 2010-05-18 14:47:54 +02:00
parent e3ede57f5e
commit 5d397656f9
1 changed files with 60 additions and 8 deletions
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68
ext/vp8/gstvp8enc.c
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@ -78,6 +78,8 @@ struct _GstVP8Enc
int resolution_id;
int n_frames;
int keyframe_distance;
GstPadEventFunction base_sink_event_func;
};
struct _GstVP8EncClass
@ -132,6 +134,8 @@ static GstFlowReturn gst_vp8_enc_shape_output (GstBaseVideoEncoder * encoder,
GstVideoFrame * frame);
static GstCaps *gst_vp8_enc_get_caps (GstBaseVideoEncoder * base_video_encoder);
static gboolean gst_vp8_enc_sink_event (GstPad * pad, GstEvent * event);
GType gst_vp8_enc_get_type (void);
static const char *vpx_error_name (vpx_codec_err_t status);
@ -153,8 +157,24 @@ GST_STATIC_PAD_TEMPLATE ("src",
GST_STATIC_CAPS ("video/x-vp8")
);
GST_BOILERPLATE (GstVP8Enc, gst_vp8_enc, GstBaseVideoEncoder,
GST_TYPE_BASE_VIDEO_ENCODER);
static void
do_init (GType vp8enc_type)
{
static const GInterfaceInfo tag_setter_info = { NULL, NULL, NULL };
const GInterfaceInfo preset_interface_info = {
NULL, /* interface_init */
NULL, /* interface_finalize */
NULL /* interface_data */
};
g_type_add_interface_static (vp8enc_type, GST_TYPE_TAG_SETTER,
&tag_setter_info);
g_type_add_interface_static (vp8enc_type, GST_TYPE_PRESET,
&preset_interface_info);
}
GST_BOILERPLATE_FULL (GstVP8Enc, gst_vp8_enc, GstBaseVideoEncoder,
GST_TYPE_BASE_VIDEO_ENCODER, do_init);
static void
gst_vp8_enc_base_init (gpointer g_class)
@ -244,6 +264,12 @@ gst_vp8_enc_init (GstVP8Enc * gst_vp8_enc, GstVP8EncClass * klass)
gst_vp8_enc->error_resilient = DEFAULT_ERROR_RESILIENT;
gst_vp8_enc->max_latency = DEFAULT_MAX_LATENCY;
gst_vp8_enc->keyframe_interval = DEFAULT_KEYFRAME_INTERVAL;
/* FIXME: Add sink/src event vmethods */
gst_vp8_enc->base_sink_event_func =
GST_PAD_EVENTFUNC (GST_BASE_VIDEO_CODEC_SINK_PAD (gst_vp8_enc));
gst_pad_set_event_function (GST_BASE_VIDEO_CODEC_SINK_PAD (gst_vp8_enc),
gst_vp8_enc_sink_event);
}
static void
@ -328,7 +354,6 @@ gst_vp8_enc_get_property (GObject * object, guint prop_id, GValue * value,
}
}
static gboolean
gst_vp8_enc_start (GstBaseVideoEncoder * base_video_encoder)
{
@ -353,6 +378,8 @@ gst_vp8_enc_stop (GstBaseVideoEncoder * base_video_encoder)
encoder->inited = FALSE;
}
gst_tag_setter_reset_tags (GST_TAG_SETTER (encoder));
return TRUE;
}
@ -376,7 +403,8 @@ gst_vp8_enc_get_caps (GstBaseVideoEncoder * base_video_encoder)
GstCaps *caps;
const GstVideoState *state;
GstVP8Enc *encoder;
GstTagList *tags;
GstTagList *tags = NULL;
const GstTagList *iface_tags;
GstBuffer *stream_hdr, *vorbiscomment;
guint8 *data;
GstStructure *s;
@ -410,12 +438,15 @@ gst_vp8_enc_get_caps (GstBaseVideoEncoder * base_video_encoder)
GST_WRITE_UINT32_BE (data + 16, state->fps_n);
GST_WRITE_UINT32_BE (data + 20, state->fps_d);
/* FIXME: Collect tags */
tags = gst_tag_list_new ();
iface_tags =
gst_tag_setter_get_tag_list (GST_TAG_SETTER (base_video_encoder));
if (!iface_tags)
tags = gst_tag_list_new ();
vorbiscomment =
gst_tag_list_to_vorbiscomment_buffer (tags,
gst_tag_list_to_vorbiscomment_buffer ((iface_tags) ? iface_tags : tags,
(const guint8 *) "VP8_TAG", 7, NULL);
gst_tag_list_free (tags);
if (tags)
gst_tag_list_free (tags);
/* mark buffers */
GST_BUFFER_FLAG_SET (stream_hdr, GST_BUFFER_FLAG_IN_CAPS);
@ -762,3 +793,24 @@ done:
return ret;
}
static gboolean
gst_vp8_enc_sink_event (GstPad * pad, GstEvent * event)
{
GstVP8Enc *enc = GST_VP8_ENC (gst_pad_get_parent (pad));
gboolean ret;
if (GST_EVENT_TYPE (event) == GST_EVENT_TAG) {
GstTagList *list;
GstTagSetter *setter = GST_TAG_SETTER (enc);
const GstTagMergeMode mode = gst_tag_setter_get_tag_merge_mode (setter);
gst_event_parse_tag (event, &list);
gst_tag_setter_merge_tags (setter, list, mode);
}
ret = enc->base_sink_event_func (pad, event);
gst_object_unref (enc);
return ret;
}