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audioparse: add a mode where the caps are taken from the sink pad, and thus audioparse

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is only performing timestamping.
This commit is contained in:
Michael Smith 2012-10-09 23:00:14 -07:00
parent 2a18cf41a8
commit 080677beef
2 changed files with 25 additions and 1 deletions
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25
gst/rawparse/gstaudioparse.c
View file

@ -70,7 +70,8 @@ enum
PROP_RATE,
PROP_CHANNELS,
PROP_INTERLEAVED,
PROP_CHANNEL_POSITIONS
PROP_CHANNEL_POSITIONS,
PROP_USE_SINK_CAPS
};
#define GST_AUDIO_PARSE_FORMAT (gst_audio_parse_format_get_type ())
@ -146,6 +147,11 @@ gst_audio_parse_class_init (GstAudioParseClass * klass)
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS),
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_USE_SINK_CAPS,
g_param_spec_boolean ("use-sink-caps", "Use sink caps",
"Use the sink caps for the format, only performing timestamping",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_metadata (gstelement_class, "Audio Parse",
"Filter/Audio",
"Converts stream into audio frames",
@ -206,6 +212,9 @@ gst_audio_parse_set_property (GObject * object, guint prop_id,
ap->channel_positions = g_value_dup_boxed (value);
break;
case PROP_USE_SINK_CAPS:
ap->use_sink_caps = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -243,6 +252,9 @@ gst_audio_parse_get_property (GObject * object, guint prop_id, GValue * value,
case PROP_CHANNEL_POSITIONS:
g_value_set_boxed (value, ap->channel_positions);
break;
case PROP_USE_SINK_CAPS:
g_value_set_boolean (value, ap->use_sink_caps);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -356,6 +368,17 @@ gst_audio_parse_get_caps (GstRawParse * rp)
gint fps_n, fps_d;
const GValue *val;
if (ap->use_sink_caps) {
gint rate;
GstCaps *caps = gst_pad_get_current_caps (rp->sinkpad);
gst_audio_info_from_caps (&info, caps);
rate = GST_AUDIO_INFO_RATE (&info);
gst_raw_parse_set_fps (GST_RAW_PARSE (ap), rate, 1);
return caps;
}
gst_raw_parse_get_fps (rp, &fps_n, &fps_d);
gst_audio_parse_setup_channel_positions (ap);

1
gst/rawparse/gstaudioparse.h
View file

@ -48,6 +48,7 @@ struct _GstAudioParse
GstRawParse parent;
/* properties */
gboolean use_sink_caps;
gint format;
GstAudioFormat raw_format;
gint channels;