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gst/audioscale/gstaudioscale.c: Fix getcaps to expand and union lists. (bug #138225)

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Original commit message from CVS:
* gst/audioscale/gstaudioscale.c: (gst_audioscale_expand_value),
(gst_audioscale_getcaps): Fix getcaps to expand and union lists.
(bug #138225)
* gst/debug/Makefile.am:
* gst/debug/breakmydata.c: (gst_break_my_data_plugin_init):
* gst/debug/gstdebug.c: (plugin_init):  Merge elements into one
plugin.
* gst/debug/negotiation.c: (gst_gst_negotiation_get_type),
(gst_negotiation_base_init), (gst_negotiation_class_init),
(gst_negotiation_init), (gst_negotiation_getcaps),
(gst_negotiation_pad_link), (gst_negotiation_chain),
(gst_negotiation_set_property), (gst_negotiation_get_property),
(gst_negotiation_plugin_init):  New element to talk about random
negotiation things happening in a pipeline.
This commit is contained in:
David Schleef 2004-03-31 22:36:36 +00:00
parent ff081cd417
commit 4f3158a64c
2 changed files with 96 additions and 19 deletions
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17
ChangeLog
View file

@ -1,3 +1,20 @@
2004-03-31 David Schleef <ds@schleef.org>
* gst/audioscale/gstaudioscale.c: (gst_audioscale_expand_value),
(gst_audioscale_getcaps): Fix getcaps to expand and union lists.
(bug #138225)
* gst/debug/Makefile.am:
* gst/debug/breakmydata.c: (gst_break_my_data_plugin_init):
* gst/debug/gstdebug.c: (plugin_init): Merge elements into one
plugin.
* gst/debug/negotiation.c: (gst_gst_negotiation_get_type),
(gst_negotiation_base_init), (gst_negotiation_class_init),
(gst_negotiation_init), (gst_negotiation_getcaps),
(gst_negotiation_pad_link), (gst_negotiation_chain),
(gst_negotiation_set_property), (gst_negotiation_get_property),
(gst_negotiation_plugin_init): New element to talk about random
negotiation things happening in a pipeline.
2004-03-31 Thomas Vander Stichele <thomas at apestaart dot org>
* gst/adder/gstadder.c: (gst_adder_get_type), (gst_adder_loop):

98
gst/audioscale/gstaudioscale.c
View file

@ -162,6 +162,80 @@ gst_audioscale_class_init (AudioscaleClass * klass)
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
}
static void
gst_audioscale_expand_value (GValue * dest, const GValue * src)
{
int rate_min, rate_max;
if (G_VALUE_TYPE (src) == G_TYPE_INT ||
G_VALUE_TYPE (src) == GST_TYPE_INT_RANGE) {
if (G_VALUE_TYPE (src) == G_TYPE_INT) {
rate_min = g_value_get_int (src);
rate_max = rate_min;
} else {
rate_min = gst_value_get_int_range_min (src);
rate_max = gst_value_get_int_range_max (src);
}
rate_min /= 2;
if (rate_min < 1)
rate_min = 1;
if (rate_max < G_MAXINT / 2) {
rate_max *= 2;
} else {
rate_max = G_MAXINT;
}
g_value_init (dest, GST_TYPE_INT_RANGE);
gst_value_set_int_range (dest, rate_min, rate_max);
return;
}
if (G_VALUE_TYPE (src) == GST_TYPE_LIST) {
int i;
g_value_init (dest, GST_TYPE_LIST);
for (i = 0; i < gst_value_list_get_size (src); i++) {
const GValue *s = gst_value_list_get_value (src, i);
GValue d = { 0 };
int j;
gst_audioscale_expand_value (&d, s);
for (j = 0; j < gst_value_list_get_size (dest); j++) {
const GValue *s2 = gst_value_list_get_value (dest, j);
GValue d2 = { 0 };
gst_value_union (&d2, &d, s2);
if (G_VALUE_TYPE (&d2) == GST_TYPE_INT_RANGE) {
g_value_unset ((GValue *) s2);
gst_value_init_and_copy ((GValue *) s2, &d2);
break;
}
g_value_unset (&d2);
}
if (j == gst_value_list_get_size (dest)) {
gst_value_list_append_value (dest, &d);
}
g_value_unset (&d);
}
if (gst_value_list_get_size (dest) == 1) {
const GValue *s = gst_value_list_get_value (dest, 0);
GValue d = { 0 };
gst_value_init_and_copy (&d, s);
g_value_unset (dest);
gst_value_init_and_copy (dest, &d);
g_value_unset (&d);
}
return;
}
GST_ERROR ("unexpected value type");
}
static GstCaps *
gst_audioscale_getcaps (GstPad * pad)
{
@ -179,33 +253,19 @@ gst_audioscale_getcaps (GstPad * pad)
/* we do this hack, because the audioscale lib doesn't handle
* rate conversions larger than a factor of 2 */
for (i = 0; i < gst_caps_get_size (caps); i++) {
int rate_min, rate_max;
GstStructure *structure = gst_caps_get_structure (caps, i);
const GValue *value;
GValue dest = { 0 };
value = gst_structure_get_value (structure, "rate");
if (value == NULL)
return NULL;
if (G_VALUE_TYPE (value) == G_TYPE_INT) {
rate_min = g_value_get_int (value);
rate_max = rate_min;
} else if (G_VALUE_TYPE (value) == GST_TYPE_INT_RANGE) {
rate_min = gst_value_get_int_range_min (value);
rate_max = gst_value_get_int_range_max (value);
} else {
if (value == NULL) {
GST_ERROR ("caps structure doesn't have required rate field");
return NULL;
}
rate_min /= 2;
if (rate_max < G_MAXINT / 2) {
rate_max *= 2;
} else {
rate_max = G_MAXINT;
}
gst_audioscale_expand_value (&dest, value);
gst_structure_set (structure, "rate", GST_TYPE_INT_RANGE, rate_min,
rate_max, NULL);
gst_structure_set_value (structure, "rate", &dest);
}
return caps;