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opusdec: improve getcaps to return all possible rates

Browse source 
The library is capable of converting to different rates.

Includes tests.

https://bugzilla.gnome.org/show_bug.cgi?id=765684
This commit is contained in:
Thiago Santos 2016-05-02 10:23:09 -03:00
parent 823832e293
commit 7a5797d3a6
2 changed files with 124 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

34
ext/opus/gstopusdec.c
View file

@ -868,6 +868,38 @@ gst_opus_dec_caps_extend_channels_options (GstCaps * caps)
}
}
static void
gst_opus_dec_value_list_append_int (GValue * list, gint i)
{
GValue v = { 0 };
g_value_init (&v, G_TYPE_INT);
g_value_set_int (&v, i);
gst_value_list_append_value (list, &v);
g_value_unset (&v);
}
static void
gst_opus_dec_caps_extend_rate_options (GstCaps * caps)
{
unsigned n;
GValue v = { 0 };
g_value_init (&v, GST_TYPE_LIST);
gst_opus_dec_value_list_append_int (&v, 48000);
gst_opus_dec_value_list_append_int (&v, 24000);
gst_opus_dec_value_list_append_int (&v, 16000);
gst_opus_dec_value_list_append_int (&v, 12000);
gst_opus_dec_value_list_append_int (&v, 8000);
for (n = 0; n < gst_caps_get_size (caps); ++n) {
GstStructure *s = gst_caps_get_structure (caps, n);
gst_structure_set_value (s, "rate", &v);
}
g_value_unset (&v);
}
GstCaps *
gst_opus_dec_getcaps (GstAudioDecoder * dec, GstCaps * filter)
{
@ -876,6 +908,7 @@ gst_opus_dec_getcaps (GstAudioDecoder * dec, GstCaps * filter)
if (filter) {
filter = gst_caps_copy (filter);
gst_opus_dec_caps_extend_channels_options (filter);
gst_opus_dec_caps_extend_rate_options (filter);
}
caps = gst_audio_decoder_proxy_getcaps (dec, NULL, filter);
if (filter)
@ -883,6 +916,7 @@ gst_opus_dec_getcaps (GstAudioDecoder * dec, GstCaps * filter)
if (caps) {
caps = gst_caps_make_writable (caps);
gst_opus_dec_caps_extend_channels_options (caps);
gst_opus_dec_caps_extend_rate_options (caps);
}
return caps;
}

90
tests/check/elements/opus.c
View file

@ -317,6 +317,95 @@ GST_START_TEST (test_opus_encode_properties)
GST_END_TEST;
/* removes fields that do not interest our tests to
* allow using gst_caps_is_equal for comparison */
static GstCaps *
remove_extra_caps_fields (GstCaps * caps)
{
gint i;
for (i = 0; i < gst_caps_get_size (caps); i++) {
GstStructure *s = gst_caps_get_structure (caps, i);
gst_structure_remove_field (s, "channel-mapping-family");
gst_structure_remove_field (s, "coupled-count");
gst_structure_remove_field (s, "stream-count");
}
return gst_caps_simplify (caps);
}
static void
run_getcaps_check (GstCaps * filter, GstCaps * downstream_caps,
GstCaps * expected_result)
{
GstElement *opusdec;
GstElement *capsfilter;
GstPad *sinkpad;
GstCaps *result;
opusdec = gst_element_factory_make ("opusdec", NULL);
capsfilter = gst_element_factory_make ("capsfilter", NULL);
sinkpad = gst_element_get_static_pad (opusdec, "sink");
fail_unless (gst_element_link (opusdec, capsfilter));
if (downstream_caps)
g_object_set (capsfilter, "caps", downstream_caps, NULL);
result = gst_pad_query_caps (sinkpad, filter);
result = remove_extra_caps_fields (result);
fail_unless (gst_caps_is_equal (expected_result, result),
"Unexpected output caps: %s", gst_caps_to_string (result));
if (filter)
gst_caps_unref (filter);
gst_caps_unref (result);
gst_caps_unref (expected_result);
if (downstream_caps)
gst_caps_unref (downstream_caps);
gst_object_unref (sinkpad);
gst_object_unref (opusdec);
gst_object_unref (capsfilter);
}
static void
run_getcaps_check_from_strings (const gchar * filter,
const gchar * downstream_caps, const gchar * expected_result)
{
run_getcaps_check (filter ? gst_caps_from_string (filter) : NULL,
downstream_caps ? gst_caps_from_string (downstream_caps) : NULL,
gst_caps_from_string (expected_result));
}
GST_START_TEST (test_opusdec_getcaps)
{
/* default result */
run_getcaps_check_from_strings (NULL, NULL,
"audio/x-opus, rate=(int){48000, 24000, 16000, 12000, 8000}, channels=(int)[1,8]");
/* A single supported rate downstream - should accept any upstream anyway */
run_getcaps_check_from_strings (NULL, "audio/x-raw, rate=(int)8000",
"audio/x-opus, rate=(int){48000, 24000, 16000, 12000, 8000}, channels=(int)[1,8]");
/* Two supported rates (fields as a array, not as a single int) */
run_getcaps_check_from_strings (NULL, "audio/x-raw, rate=(int){24000, 8000}",
"audio/x-opus, rate=(int){48000, 24000, 16000, 12000, 8000}, channels=(int)[1,8]");
/* One supported and one unsupported rate */
run_getcaps_check_from_strings (NULL, "audio/x-raw, rate=(int){24000, 1000}",
"audio/x-opus, rate=(int){48000, 24000, 16000, 12000, 8000}, channels=(int)[1,8]");
/* Unsupported rate */
run_getcaps_check_from_strings (NULL, "audio/x-raw, rate=(int)1000", "EMPTY");
/* same tests for channels */
run_getcaps_check_from_strings (NULL, "audio/x-raw, channels=(int)2",
"audio/x-opus, rate=(int){48000, 24000, 16000, 12000, 8000}, channels=(int)[1,2]");
run_getcaps_check_from_strings (NULL, "audio/x-raw, channels=(int)[1, 2]",
"audio/x-opus, rate=(int){48000, 24000, 16000, 12000, 8000}, channels=(int)[1,2]");
run_getcaps_check_from_strings (NULL, "audio/x-raw, channels=(int)5000",
"EMPTY");
}
GST_END_TEST;
static Suite *
opus_suite (void)
{
@ -329,6 +418,7 @@ opus_suite (void)
tcase_add_test (tc_chain, test_opus_decode_nothing);
tcase_add_test (tc_chain, test_opus_encode_samples);
tcase_add_test (tc_chain, test_opus_encode_properties);
tcase_add_test (tc_chain, test_opusdec_getcaps);
return s;
}