static void
gst_audio_parse_init (GstAudioParse * ap)
{
ap->format = GST_AUDIO_PARSE_FORMAT_RAW;
ap->raw_format = GST_AUDIO_FORMAT_S16;
ap->channels = 2;
ap->interleaved = TRUE;
gst_audio_parse_update_frame_size (ap);
gst_raw_parse_set_fps (GST_RAW_PARSE (ap), 44100, 1);
}
static void
gst_video_parse_init (GstVideoParse * vp)
{
vp->width = 320;
vp->height = 240;
vp->format = GST_VIDEO_FORMAT_I420;
vp->par_n = 1;
vp->par_d = 1;
gst_video_parse_update_frame_size (vp);
gst_raw_parse_set_fps (GST_RAW_PARSE (vp), 25, 1);
}
static void
gst_audio_parse_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstAudioParse *ap = GST_AUDIO_PARSE (object);
g_return_if_fail (!gst_raw_parse_is_negotiated (GST_RAW_PARSE (ap)));
switch (prop_id) {
case PROP_FORMAT:
ap->format = g_value_get_enum (value);
break;
case PROP_RAW_FORMAT:
ap->raw_format = g_value_get_enum (value);
break;
case PROP_RATE:
gst_raw_parse_set_fps (GST_RAW_PARSE (ap), g_value_get_int (value), 1);
break;
case PROP_CHANNELS:
ap->channels = g_value_get_int (value);
break;
case PROP_INTERLEAVED:
ap->interleaved = g_value_get_boolean (value);
break;
case PROP_CHANNEL_POSITIONS:
if (ap->channel_positions)
g_value_array_free (ap->channel_positions);
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;
}
gst_audio_parse_update_frame_size (ap);
}
static void
gst_video_parse_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstVideoParse *vp = GST_VIDEO_PARSE (object);
g_return_if_fail (!gst_raw_parse_is_negotiated (GST_RAW_PARSE (vp)));
switch (prop_id) {
case PROP_FORMAT:
vp->format = g_value_get_enum (value);
break;
case PROP_WIDTH:
vp->width = g_value_get_int (value);
break;
case PROP_HEIGHT:
vp->height = g_value_get_int (value);
break;
case PROP_FRAMERATE:
gst_raw_parse_set_fps (GST_RAW_PARSE (vp),
gst_value_get_fraction_numerator (value),
gst_value_get_fraction_denominator (value));
break;
case PROP_PAR:
vp->par_n = gst_value_get_fraction_numerator (value);
vp->par_d = gst_value_get_fraction_denominator (value);
break;
case PROP_INTERLACED:
vp->interlaced = g_value_get_boolean (value);
break;
case PROP_TOP_FIELD_FIRST:
vp->top_field_first = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
gst_video_parse_update_frame_size (vp);
}
static GstCaps *
gst_audio_parse_get_caps (GstRawParse * rp)
{
GstAudioParse *ap = GST_AUDIO_PARSE (rp);
GstCaps *caps, *ncaps;
GstAudioInfo info;
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);
/* yes, even when format not raw */
gst_audio_info_init (&info);
gst_audio_info_set_format (&info, ap->raw_format, fps_n, ap->channels,
ap->channel_order);
info.layout = ap->interleaved ? GST_AUDIO_LAYOUT_INTERLEAVED :
GST_AUDIO_LAYOUT_NON_INTERLEAVED;
caps = gst_audio_info_to_caps (&info);
switch (ap->format) {
case GST_AUDIO_PARSE_FORMAT_RAW:
break;
case GST_AUDIO_PARSE_FORMAT_ALAW:
ncaps = gst_caps_new_simple ("audio/x-alaw",
"rate", G_TYPE_INT, fps_n,
"channels", G_TYPE_INT, ap->channels, NULL);
/* pick mask stuff from faked raw format */
val = gst_structure_get_value (gst_caps_get_structure (caps, 0),
"channel-mask");
if (val)
gst_caps_set_value (ncaps, "channel-mask", val);
gst_caps_unref (caps);
caps = ncaps;
break;
case GST_AUDIO_PARSE_FORMAT_MULAW:
ncaps = gst_caps_new_simple ("audio/x-mulaw",
"rate", G_TYPE_INT, fps_n,
"channels", G_TYPE_INT, ap->channels, NULL);
/* pick mask stuff from faked raw format */
val = gst_structure_get_value (gst_caps_get_structure (caps, 0),
"channel-mask");
if (val)
gst_caps_set_value (ncaps, "channel-mask", val);
gst_caps_unref (caps);
caps = ncaps;
break;
default:
caps = gst_caps_new_empty ();
GST_ERROR_OBJECT (rp, "unexpected format %d", ap->format);
break;
}
return caps;
}
