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- eventmask/query/format functions

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Original commit message from CVS:
- eventmask/query/format functions
- expose oss format as an enum
- moved default_pool allocation to where it is needed.
This commit is contained in:
Wim Taymans 2002-07-24 21:46:03 +00:00
parent c44396be67
commit ba4646de1f
1 changed files with 59 additions and 7 deletions
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66
sys/oss/gstosssink.c
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@ -53,8 +53,10 @@ static void gst_osssink_set_clock (GstElement *element, GstClock *clock);
static GstClock* gst_osssink_get_clock (GstElement *element);
static GstClockTime gst_osssink_get_time (GstClock *clock, gpointer data);
static const GstFormat* gst_osssink_get_formats (GstPad *pad);
static gboolean gst_osssink_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value);
static const GstPadQueryType* gst_osssink_get_query_types (GstPad *pad);
static gboolean gst_osssink_query (GstElement *element, GstPadQueryType type,
GstFormat *format, gint64 *value);
static gboolean gst_osssink_sink_query (GstPad *pad, GstPadQueryType type,
@ -131,6 +133,29 @@ gst_osssink_channels_get_type(void) {
return osssink_channels_type;
}
#define GST_TYPE_OSSSINK_FORMAT (gst_osssink_format_get_type())
static GType
gst_osssink_format_get_type(void) {
static GType osssink_format_type = 0;
static GEnumValue osssink_format[] = {
{AFMT_MU_LAW, G_STRINGIFY(AFMT_MU_LAW), "mulaw"},
{AFMT_A_LAW, G_STRINGIFY(AFMT_A_LAW), "alaw"},
{AFMT_IMA_ADPCM, G_STRINGIFY(AFMT_IMA_ADPCM), "IMA ADPCM"},
{AFMT_U8, G_STRINGIFY(AFMT_U8), "Unsigned 8 bits"},
{AFMT_S16_LE, G_STRINGIFY(AFMT_S16_LE), "Signed 16 bits little endian"},
{AFMT_S16_BE, G_STRINGIFY(AFMT_S16_BE), "Signed 16 bits big endian"},
{AFMT_S8, G_STRINGIFY(AFMT_S8), "Signed 8 bits"},
{AFMT_U16_LE, G_STRINGIFY(AFMT_U16_LE), "Unsigned 16 bits little endian"},
{AFMT_U16_BE, G_STRINGIFY(AFMT_U16_BE), "Unsigned 16 bits big endian"},
{AFMT_MPEG, G_STRINGIFY(AFMT_MPEG), "MPEG"},
{AFMT_AC3, G_STRINGIFY(AFMT_AC3), "AC3"},
{0, NULL, NULL},
};
if (!osssink_format_type) {
osssink_format_type = g_enum_register_static("GstAudiosinkFormat", osssink_format);
}
return osssink_format_type;
}
static GstElementClass *parent_class = NULL;
static guint gst_osssink_signals[LAST_SIGNAL] = { 0 };
@ -165,6 +190,10 @@ gst_osssink_get_bufferpool (GstPad *pad)
oss = GST_OSSSINK (gst_pad_get_parent(pad));
/* 6 buffers per chunk by default */
if (!oss->sinkpool)
oss->sinkpool = gst_buffer_pool_get_default (oss->bufsize, 6);
return oss->sinkpool;
}
@ -199,10 +228,9 @@ gst_osssink_class_init (GstOssSinkClass *klass)
g_param_spec_boolean("sync","Sync","If syncing on timestamps should be enabled",
TRUE, G_PARAM_READWRITE));
/* it would be nice to show format in symbolic form, oh well */
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FORMAT,
g_param_spec_int ("format","format","format",
0, G_MAXINT, AFMT_S16_LE, G_PARAM_READWRITE));
g_param_spec_enum ("format","format","format",
GST_TYPE_OSSSINK_FORMAT, AFMT_S16_LE, G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CHANNELS,
g_param_spec_enum("channels","channels","channels",
@ -240,6 +268,8 @@ gst_osssink_init (GstOssSink *osssink)
gst_pad_set_bufferpool_function (osssink->sinkpad, gst_osssink_get_bufferpool);
gst_pad_set_convert_function (osssink->sinkpad, gst_osssink_convert);
gst_pad_set_query_function (osssink->sinkpad, gst_osssink_sink_query);
gst_pad_set_query_type_function (osssink->sinkpad, gst_osssink_get_query_types);
gst_pad_set_formats_function (osssink->sinkpad, gst_osssink_get_formats);
gst_pad_set_chain_function (osssink->sinkpad, gst_osssink_chain);
@ -258,8 +288,7 @@ gst_osssink_init (GstOssSink *osssink)
osssink->bps = 0;
osssink->resync = FALSE;
osssink->sync = TRUE;
/* 6 buffers per chunk by default */
osssink->sinkpool = gst_buffer_pool_get_default (osssink->bufsize, 6);
osssink->sinkpool = NULL;
osssink->provided_clock = GST_CLOCK (gst_oss_clock_new ("ossclock", gst_osssink_get_time, osssink));
osssink->handled = 0;
@ -573,6 +602,18 @@ gst_osssink_chain (GstPad *pad, GstBuffer *buf)
gst_buffer_unref (buf);
}
static const GstFormat*
gst_osssink_get_formats (GstPad *pad)
{
static const GstFormat formats[] = {
GST_FORMAT_TIME,
GST_FORMAT_UNITS,
GST_FORMAT_BYTES,
0
};
return formats;
}
static gboolean
gst_osssink_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value)
@ -641,6 +682,17 @@ gst_osssink_convert (GstPad *pad, GstFormat src_format, gint64 src_value,
return res;
}
static const GstPadQueryType*
gst_osssink_get_query_types (GstPad *pad)
{
static const GstPadQueryType query_types[] = {
GST_PAD_QUERY_LATENCY,
GST_PAD_QUERY_POSITION,
0,
};
return query_types;
}
static gboolean
gst_osssink_sink_query (GstPad *pad, GstPadQueryType type, GstFormat *format, gint64 *value)
{
@ -708,7 +760,7 @@ gst_osssink_set_property (GObject *object, guint prop_id, const GValue *value, G
g_object_notify (G_OBJECT (osssink), "mute");
break;
case ARG_FORMAT:
osssink->format = g_value_get_int (value);
osssink->format = g_value_get_enum (value);
gst_osssink_sync_parms (osssink);
break;
case ARG_CHANNELS:
@ -755,7 +807,7 @@ gst_osssink_get_property (GObject *object, guint prop_id, GValue *value, GParamS
g_value_set_boolean (value, osssink->mute);
break;
case ARG_FORMAT:
g_value_set_int (value, osssink->format);
g_value_set_enum (value, osssink->format);
break;
case ARG_CHANNELS:
g_value_set_enum (value, osssink->channels);