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- Small cleanups

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Original commit message from CVS:
- Small cleanups
- update OFFSET/DURATION
- add blocksize property
This commit is contained in:
Wim Taymans 2003-06-03 18:23:14 +00:00
parent 8481e5013c
commit 264e1f15e2
2 changed files with 41 additions and 15 deletions
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31
ext/sidplay/gstsiddec.cc
View file

@ -50,6 +50,8 @@ enum {
LAST_SIGNAL
};
#define DEFAULT_BLOCKSIZE 4096
enum {
ARG_0,
ARG_TUNE,
@ -59,6 +61,7 @@ enum {
ARG_MEASURED_VOLUME,
ARG_MOS8580,
ARG_FORCE_SPEED,
ARG_BLOCKSIZE,
ARG_METADATA,
/* FILL ME */
};
@ -230,9 +233,12 @@ gst_siddec_class_init (GstSidDec *klass)
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FORCE_SPEED,
g_param_spec_boolean ("force_speed", "force_speed", "force_speed",
TRUE, (GParamFlags)G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BLOCKSIZE,
g_param_spec_ulong ("blocksize", "Block size", "Size in bytes to output per buffer",
1, G_MAXULONG, DEFAULT_BLOCKSIZE, (GParamFlags)G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_METADATA,
g_param_spec_boxed ("metadata", "Metadata", "Metadata",
GST_TYPE_CAPS, G_PARAM_READABLE));
GST_TYPE_CAPS, (GParamFlags)G_PARAM_READABLE));
gobject_class->set_property = gst_siddec_set_property;
gobject_class->get_property = gst_siddec_get_property;
@ -287,6 +293,7 @@ gst_siddec_init (GstSidDec *siddec)
siddec->tune_len = 0;
siddec->tune_number = 1;
siddec->total_bytes = 0;
siddec->blocksize = DEFAULT_BLOCKSIZE;
}
static void
@ -443,18 +450,28 @@ gst_siddec_loop (GstElement *element)
if (siddec->state == SID_STATE_PLAY_TUNE) {
GstBuffer *out;
GstFormat format;
gint64 value;
gint64 value, value2;
out = gst_buffer_new_and_alloc (4096);
out = gst_buffer_new_and_alloc (siddec->blocksize);
sidEmuFillBuffer (*siddec->engine, *siddec->tune,
GST_BUFFER_DATA (out), GST_BUFFER_SIZE (out));
/* get offset in samples */
format = GST_FORMAT_DEFAULT;
gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &format, &value);
GST_BUFFER_OFFSET (out) = value;
/* get current timestamp */
format = GST_FORMAT_TIME;
gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &format, &value);
GST_BUFFER_TIMESTAMP (out) = value;
siddec->total_bytes += 4096;
/* update position and get new timestamp to calculate duration */
siddec->total_bytes += siddec->blocksize;
format = GST_FORMAT_TIME;
gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &format, &value2);
GST_BUFFER_DURATION (out) = value2 - value;
gst_pad_push (siddec->srcpad, out);
}
@ -578,6 +595,9 @@ gst_siddec_set_property (GObject *object, guint prop_id, const GValue *value, GP
case ARG_MOS8580:
siddec->config->mos8580 = g_value_get_boolean (value);
break;
case ARG_BLOCKSIZE:
siddec->blocksize = g_value_get_ulong (value);
break;
case ARG_FORCE_SPEED:
siddec->config->forceSongSpeed = g_value_get_boolean (value);
break;
@ -619,6 +639,9 @@ gst_siddec_get_property (GObject *object, guint prop_id, GValue *value, GParamSp
case ARG_FORCE_SPEED:
g_value_set_boolean (value, siddec->config->forceSongSpeed);
break;
case ARG_BLOCKSIZE:
g_value_set_ulong (value, siddec->blocksize);
break;
case ARG_METADATA:
g_value_set_boxed (value, siddec->metadata);
break;

5
ext/sidplay/gstsiddec.h
View file

@ -49,7 +49,8 @@ struct _GstSidDec {
GstElement element;
/* pads */
GstPad *sinkpad, *srcpad;
GstPad *sinkpad,
*srcpad;
gint state;
guchar *tune_buffer;
@ -61,6 +62,8 @@ struct _GstSidDec {
sidTune *tune;
emuConfig *config;
gulong blocksize;
GstCaps *metadata;
};