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opusdec: refactor getcaps repeated code into a function

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Easier to read and maintain
This commit is contained in:
Thiago Santos 2016-05-01 23:19:57 -03:00
parent 8375ed7763
commit b1153e0f7d
1 changed files with 23 additions and 26 deletions
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49
ext/opus/gstopusdec.c
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@ -863,45 +863,42 @@ gst_opus_dec_set_property (GObject * object, guint prop_id,
}
}
/* caps must be writable */
static void
gst_opus_dec_caps_extend_channels_options (GstCaps * caps)
{
unsigned n;
int channels;
for (n = 0; n < gst_caps_get_size (caps); ++n) {
GstStructure *s = gst_caps_get_structure (caps, n);
if (gst_structure_get_int (s, "channels", &channels)) {
if (channels == 1 || channels == 2) {
GValue v = { 0 };
g_value_init (&v, GST_TYPE_INT_RANGE);
gst_value_set_int_range (&v, 1, 2);
gst_structure_set_value (s, "channels", &v);
g_value_unset (&v);
}
}
}
}
GstCaps *
gst_opus_dec_getcaps (GstAudioDecoder * dec, GstCaps * filter)
{
GstCaps *caps;
unsigned n;
int channels;
if (filter) {
filter = gst_caps_copy (filter);
for (n = 0; n < gst_caps_get_size (filter); ++n) {
GstStructure *s = gst_caps_get_structure (filter, n);
if (gst_structure_get_int (s, "channels", &channels)) {
if (channels == 1 || channels == 2) {
GValue v = { 0 };
g_value_init (&v, GST_TYPE_INT_RANGE);
gst_value_set_int_range (&v, 1, 2);
gst_structure_set_value (s, "channels", &v);
g_value_unset (&v);
}
}
}
gst_opus_dec_caps_extend_channels_options (filter);
}
caps = gst_audio_decoder_proxy_getcaps (dec, NULL, filter);
if (filter)
gst_caps_unref (filter);
if (caps) {
caps = gst_caps_make_writable (caps);
for (n = 0; n < gst_caps_get_size (caps); ++n) {
GstStructure *s = gst_caps_get_structure (caps, n);
if (gst_structure_get_int (s, "channels", &channels)) {
if (channels == 1 || channels == 2) {
GValue v = { 0 };
g_value_init (&v, GST_TYPE_INT_RANGE);
gst_value_set_int_range (&v, 1, 2);
gst_structure_set_value (s, "channels", &v);
g_value_unset (&v);
}
}
}
gst_opus_dec_caps_extend_channels_options (caps);
}
return caps;
}