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faac: Detect output format from downstream caps change unit test

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This commit is contained in:
benjamin gaignard 2011-04-15 11:19:20 +02:00 committed by Sebastian Dröge
parent 31a65287a2
commit 31d408e22e
2 changed files with 57 additions and 43 deletions
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72
ext/faac/gstfaac.c
View file

@ -24,11 +24,6 @@
*
* faac encodes raw audio to AAC (MPEG-4 part 3) streams.
*
* The #GstFaac:outputformat property determines whether or not the
* AAC data needs additional framing provided by a container
* (such as Matroska or Quicktime).
* This is required for raw data, whereas ADTS formatted AAC already provides
* framing and needs no container.
*
* The #GstFaac:profile property determines the AAC profile, where the default
* LC (Low Complexity) profile is most widely used, supported and suitable for
@ -94,7 +89,6 @@ static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
enum
{
ARG_0,
ARG_OUTPUTFORMAT,
ARG_BITRATE,
ARG_PROFILE,
ARG_TNS,
@ -229,26 +223,6 @@ gst_faac_shortctl_get_type (void)
return gst_faac_shortctl_type;
}
#define GST_TYPE_FAAC_OUTPUTFORMAT (gst_faac_outputformat_get_type ())
static GType
gst_faac_outputformat_get_type (void)
{
static GType gst_faac_outputformat_type = 0;
if (!gst_faac_outputformat_type) {
static GEnumValue gst_faac_outputformat[] = {
{0, "OUTPUTFORMAT_RAW", "Raw AAC"},
{1, "OUTPUTFORMAT_ADTS", "ADTS headers"},
{0, NULL, NULL},
};
gst_faac_outputformat_type = g_enum_register_static ("GstFaacOutputFormat",
gst_faac_outputformat);
}
return gst_faac_outputformat_type;
}
static void
gst_faac_class_init (GstFaacClass * klass)
{
@ -281,11 +255,6 @@ gst_faac_class_init (GstFaacClass * klass)
"Block type encorcing",
GST_TYPE_FAAC_SHORTCTL, FAAC_DEFAULT_SHORTCTL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_OUTPUTFORMAT,
g_param_spec_enum ("outputformat", "Output format",
"Format of output frames",
GST_TYPE_FAAC_OUTPUTFORMAT, FAAC_DEFAULT_OUTPUTFORMAT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* virtual functions */
gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_faac_change_state);
@ -428,6 +397,39 @@ gst_faac_sink_getcaps (GstPad * pad)
return gst_caps_ref ((GstCaps *) sinkcaps);
}
/* check downstream caps to configure format */
static void
gst_faac_negotiate (GstFaac * faac)
{
GstCaps *caps;
caps = gst_pad_get_allowed_caps (faac->srcpad);
GST_DEBUG_OBJECT (faac, "allowed caps: %" GST_PTR_FORMAT, caps);
if (caps && gst_caps_get_size (caps) > 0) {
GstStructure *s = gst_caps_get_structure (caps, 0);
const gchar *str = NULL;
if ((str = gst_structure_get_string (s, "stream-format"))) {
if (strcmp (str, "adts") == 0) {
GST_DEBUG_OBJECT (faac, "use ADTS format for output");
faac->outputformat = 1;
} else if (strcmp (str, "raw") == 0) {
GST_DEBUG_OBJECT (faac, "use RAW format for output");
faac->outputformat = 0;
} else {
GST_DEBUG_OBJECT (faac, "unknown stream-format: %s", str);
faac->outputformat = 0;
}
}
}
if (caps)
gst_caps_unref (caps);
}
static gboolean
gst_faac_sink_setcaps (GstPad * pad, GstCaps * caps)
{
@ -494,6 +496,8 @@ gst_faac_sink_setcaps (GstPad * pad, GstCaps * caps)
faac->channels = channels;
faac->samplerate = samplerate;
gst_faac_negotiate (faac);
/* finish up */
result = gst_faac_configure_source_pad (faac);
@ -858,9 +862,6 @@ gst_faac_set_property (GObject * object,
case ARG_SHORTCTL:
faac->shortctl = g_value_get_enum (value);
break;
case ARG_OUTPUTFORMAT:
faac->outputformat = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -893,9 +894,6 @@ gst_faac_get_property (GObject * object,
case ARG_SHORTCTL:
g_value_set_enum (value, faac->shortctl);
break;
case ARG_OUTPUTFORMAT:
g_value_set_enum (value, faac->outputformat);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;

28
tests/check/elements/faac.c
View file

@ -37,15 +37,27 @@ static GstPad *mysrcpad, *mysinkpad;
"signed = (boolean) true, " \
"endianness = (int) BYTE_ORDER "
#define AAC_CAPS_STRING "audio/mpeg, " \
#define AAC_RAW_CAPS_STRING "audio/mpeg, " \
"mpegversion = (int) 4, " \
"rate = (int) 48000, " \
"channels = (int) 2 "
"channels = (int) 2, " \
"stream-format = \"raw\""
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
#define AAC_ADTS_CAPS_STRING "audio/mpeg, " \
"mpegversion = (int) 4, " \
"rate = (int) 48000, " \
"channels = (int) 2, " \
"stream-format = \"adts\""
static GstStaticPadTemplate sinktemplate_adts = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (AAC_CAPS_STRING));
GST_STATIC_CAPS (AAC_ADTS_CAPS_STRING));
static GstStaticPadTemplate sinktemplate_raw = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (AAC_RAW_CAPS_STRING));
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
@ -61,9 +73,13 @@ setup_faac (gboolean adts)
GST_DEBUG ("setup_faac");
faac = gst_check_setup_element ("faac");
g_object_set (faac, "profile", 2, NULL);
g_object_set (faac, "outputformat", adts ? 1 : 0, NULL);
mysrcpad = gst_check_setup_src_pad (faac, &srctemplate, NULL);
mysinkpad = gst_check_setup_sink_pad (faac, &sinktemplate, NULL);
if (adts)
mysinkpad = gst_check_setup_sink_pad (faac, &sinktemplate_adts, NULL);
else
mysinkpad = gst_check_setup_sink_pad (faac, &sinktemplate_raw, NULL);
gst_pad_set_active (mysrcpad, TRUE);
gst_pad_set_active (mysinkpad, TRUE);