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Updated to work with the new capsnego stuff.

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Original commit message from CVS:
Updated to work with the new capsnego stuff.
This commit is contained in:
Leif Johnson 2002-01-22 04:44:21 +00:00
parent 1924c5ce0c
commit d3e8b42dfe
4 changed files with 53 additions and 91 deletions
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34
gst/playondemand/demo-mp3.c
View file

@ -3,19 +3,19 @@
void play (GtkButton *button, gpointer data)
{
gtk_signal_emit_by_name(GTK_OBJECT(data), "play");
g_signal_emit_by_name(G_OBJECT(data), "play");
}
void reset (GtkButton *button, gpointer data)
{
gtk_signal_emit_by_name(GTK_OBJECT(data), "reset");
g_signal_emit_by_name(G_OBJECT(data), "reset");
}
int main(int argc, char **argv)
{
guint channels;
GtkWidget *window, *vbox, *play_button, *reset_button, *quit_button;
GstElement *filesrc, *mad, *stereo2mono, *pod, *osssink, *pipeline;
GstElement *src, *mad, *pod, *osssink, *pipeline;
gst_init (&argc, &argv);
gtk_init (&argc, &argv);
@ -25,33 +25,25 @@ int main(int argc, char **argv)
exit(-1);
}
filesrc = gst_elementfactory_make("filesrc", "filesrc");
src = gst_elementfactory_make("filesrc", "filesrc");
mad = gst_elementfactory_make("mad", "mad");
pod = gst_elementfactory_make("playondemand", "playondemand");
osssink = gst_elementfactory_make("osssink", "osssink");
gtk_object_set(GTK_OBJECT(filesrc), "location", argv[1], NULL);
gtk_object_set(GTK_OBJECT(osssink), "fragment", 0x00180008, NULL);
gtk_object_get(GTK_OBJECT(osssink), "channels", &channels, NULL);
g_object_set(G_OBJECT(src), "location", argv[1], NULL);
g_object_set(G_OBJECT(osssink), "fragment", 0x00180008, NULL);
g_object_get(G_OBJECT(osssink), "channels", &channels, NULL);
pipeline = gst_pipeline_new("app");
gst_bin_add(GST_BIN(pipeline), filesrc);
gst_bin_add(GST_BIN(pipeline), src);
gst_bin_add(GST_BIN(pipeline), mad);
gst_bin_add(GST_BIN(pipeline), pod);
gst_bin_add(GST_BIN(pipeline), osssink);
gst_element_connect(filesrc, "src", mad, "sink");
gst_element_connect(src, "src", mad, "sink");
gst_element_connect(pod, "src", osssink, "sink");
if (channels != 2) {
gst_element_connect(mad, "src", pod, "sink");
} else {
stereo2mono = gst_elementfactory_make("stereo2mono", "stereo2mono");
gst_bin_add(GST_BIN(pipeline), stereo2mono);
gst_element_connect(mad, "src", stereo2mono, "sink");
gst_element_connect(stereo2mono, "src", pod, "sink");
}
gst_element_connect(mad, "src", pod, "sink");
gst_element_set_state(pipeline, GST_STATE_PLAYING);
@ -70,9 +62,9 @@ int main(int argc, char **argv)
gtk_box_pack_start(GTK_BOX(vbox), quit_button, FALSE, FALSE, 2);
/* connect things ... */
gtk_signal_connect(GTK_OBJECT(play_button), "clicked", play, pod);
gtk_signal_connect(GTK_OBJECT(reset_button), "clicked", reset, pod);
gtk_signal_connect(GTK_OBJECT(quit_button), "clicked", gtk_main_quit, NULL);
g_signal_connect(G_OBJECT(play_button), "clicked", G_CALLBACK(play), pod);
g_signal_connect(G_OBJECT(reset_button), "clicked", G_CALLBACK(reset), pod);
g_signal_connect(G_OBJECT(quit_button), "clicked", gtk_main_quit, NULL);
/* show the gui. */
gtk_widget_show(play_button);

9
gst/playondemand/filter.func
View file

@ -64,14 +64,7 @@ do {
} else {
j = 0;
if (filter->srcpool) {
out = gst_buffer_new_from_pool(filter->srcpool, 0, 0);
} else {
out = gst_buffer_new();
GST_BUFFER_DATA(out) = (gchar *) g_new(_TYPE_, POD_GSTBUFSIZE / sizeof(_TYPE_));
GST_BUFFER_SIZE(out) = POD_GSTBUFSIZE;
}
out = gst_buffer_new_from_pool(filter->bufpool, 0, 0);
}
/******************************************************************************/

99
gst/playondemand/gstplayondemand.c
View file

@ -24,10 +24,10 @@
#define POD_MAX_PLAYS 192 /* maximum number of simultaneous plays */
#define POD_GSTBUFSIZE 4096 /* gstreamer buffer size to make if no
#define POD_BUFPOOL_SIZE 4096 /* gstreamer buffer size to make if no
bufferpool is available, must be divisible
by sizeof(gfloat) */
#define POD_BUFSPERCHUNK 6 /* number of buffers to allocate per chunk in
#define POD_BUFPOOL_NUM 6 /* number of buffers to allocate per chunk in
sink buffer pool */
#define POD_BUFFER_SIZE 882000 /* enough space for 10 seconds of 16-bit audio
at 44100 samples per second ... */
@ -50,6 +50,8 @@ enum {
LAST_SIGNAL
};
static guint gst_pod_filter_signals[LAST_SIGNAL] = { 0 };
enum {
ARG_0,
ARG_SILENT,
@ -91,21 +93,20 @@ play_on_demand_src_factory (void)
return template;
}
static void play_on_demand_class_init (GstPlayOnDemandClass *klass);
static void play_on_demand_init (GstPlayOnDemand *filter);
static void play_on_demand_class_init (GstPlayOnDemandClass *klass);
static void play_on_demand_init (GstPlayOnDemand *filter);
static void play_on_demand_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void play_on_demand_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
static void play_on_demand_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void play_on_demand_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
static gint play_on_demand_parse_caps (GstPlayOnDemand *filter, GstCaps *caps);
static GstPadConnectReturn play_on_demand_pad_connect (GstPad *pad, GstCaps *caps);
static void play_on_demand_loop (GstElement *elem);
static void play_on_demand_loop (GstElement *elem);
static void play_on_demand_play_handler (GstElement *elem);
static void play_on_demand_reset_handler (GstElement *elem);
static void play_on_demand_play_handler (GstElement *elem);
static void play_on_demand_reset_handler (GstElement *elem);
static GstElementClass *parent_class = NULL;
static guint gst_pod_filter_signals[LAST_SIGNAL] = { 0 };
static GstBufferPool*
play_on_demand_get_bufferpool (GstPad *pad)
@ -117,44 +118,17 @@ play_on_demand_get_bufferpool (GstPad *pad)
return gst_pad_get_bufferpool(filter->srcpad);
}
/*
static GstPadNegotiateReturn
play_on_demand_negotiate_src (GstPad *pad, GstCaps **caps, gpointer *data)
{
GstPlayOnDemand* filter = GST_PLAYONDEMAND(gst_pad_get_parent(pad));
if (*caps == NULL)
return GST_PAD_NEGOTIATE_FAIL;
if (play_on_demand_parse_caps(filter, *caps))
return GST_PAD_NEGOTIATE_FAIL;
return gst_pad_negotiate_proxy(pad, filter->sinkpad, caps);
}
static GstPadNegotiateReturn
play_on_demand_negotiate_sink (GstPad *pad, GstCaps **caps, gpointer *data)
{
GstPlayOnDemand* filter = GST_PLAYONDEMAND(gst_pad_get_parent(pad));
if (*caps == NULL)
return GST_PAD_NEGOTIATE_FAIL;
if (play_on_demand_parse_caps(filter, *caps))
return GST_PAD_NEGOTIATE_FAIL;
return gst_pad_negotiate_proxy(pad, filter->srcpad, caps);
}
*/
static gint
play_on_demand_parse_caps (GstPlayOnDemand *filter, GstCaps *caps)
static GstPadConnectReturn
play_on_demand_pad_connect (GstPad *pad, GstCaps *caps)
{
const gchar *format;
GstPlayOnDemand *filter;
g_return_val_if_fail(filter != NULL, -1);
g_return_val_if_fail(caps != NULL, -1);
g_return_val_if_fail(caps != NULL, GST_PAD_CONNECT_DELAYED);
g_return_val_if_fail(pad != NULL, GST_PAD_CONNECT_DELAYED);
filter = GST_PLAYONDEMAND(GST_PAD_PARENT(pad));
format = gst_caps_get_string(caps, "format");
filter->rate = gst_caps_get_int(caps, "rate");
@ -173,7 +147,7 @@ play_on_demand_parse_caps (GstPlayOnDemand *filter, GstCaps *caps)
g_print ("PlayOnDemand : format int, bit width %d, endianness %d, signed %s\n",
filter->width, filter->endianness, filter->is_signed ? "yes" : "no");
}
} else if (strcmp(format, "float")==0) {
} else if (strcmp(format, "float") == 0) {
filter->format = GST_PLAYONDEMAND_FORMAT_FLOAT;
filter->layout = gst_caps_get_string(caps, "layout");
filter->intercept = gst_caps_get_float(caps, "intercept");
@ -184,15 +158,17 @@ play_on_demand_parse_caps (GstPlayOnDemand *filter, GstCaps *caps)
g_print ("PlayOnDemand : format float, layout %s, intercept %f, slope %f\n",
filter->layout, filter->intercept, filter->slope);
}
} else {
return -1;
}
return 0;
if (GST_CAPS_IS_FIXED (caps) && ! gst_pad_try_set_caps (filter->srcpad, caps))
return GST_PAD_CONNECT_REFUSED;
return GST_PAD_CONNECT_DELAYED;
}
GType
gst_play_on_demand_get_type(void) {
gst_play_on_demand_get_type (void)
{
static GType play_on_demand_type = 0;
if (! play_on_demand_type) {
@ -246,7 +222,7 @@ play_on_demand_class_init (GstPlayOnDemandClass *klass)
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SILENT,
g_param_spec_boolean("silent","silent","silent",
TRUE, G_PARAM_READWRITE)); // CHECKME
TRUE, G_PARAM_READWRITE));
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FOLLOWTAIL,
g_param_spec_boolean("follow-stream-tail","follow-stream-tail","follow-stream-tail",
@ -265,20 +241,17 @@ play_on_demand_init (GstPlayOnDemand *filter)
{
guint i;
filter->sinkpad = gst_pad_new_from_template(play_on_demand_sink_factory(), "sink");
//gst_pad_set_negotiate_function(filter->sinkpad, play_on_demand_negotiate_sink);
gst_pad_set_bufferpool_function(filter->sinkpad, play_on_demand_get_bufferpool);
filter->srcpad = gst_pad_new_from_template(play_on_demand_src_factory(), "src");
//gst_pad_set_negotiate_function(filter->srcpad, play_on_demand_negotiate_src);
filter->sinkpad = gst_pad_new_from_template(play_on_demand_sink_factory(), "sink");
gst_pad_set_bufferpool_function(filter->sinkpad, play_on_demand_get_bufferpool);
gst_pad_set_connect_function(filter->sinkpad, play_on_demand_pad_connect);
gst_element_add_pad(GST_ELEMENT(filter), filter->sinkpad);
gst_element_add_pad(GST_ELEMENT(filter), filter->srcpad);
gst_element_set_loop_function(GST_ELEMENT(filter), play_on_demand_loop);
filter->sinkpool = gst_buffer_pool_get_default(POD_GSTBUFSIZE, POD_BUFSPERCHUNK);
filter->follow_stream_tail = FALSE;
filter->silent = TRUE;
@ -309,7 +282,11 @@ play_on_demand_loop (GstElement *elem)
g_return_if_fail(filter != NULL);
g_return_if_fail(GST_IS_PLAYONDEMAND(filter));
filter->srcpool = gst_pad_get_bufferpool(filter->srcpad);
filter->bufpool = gst_pad_get_bufferpool(filter->srcpad);
if (filter->bufpool == NULL) {
filter->bufpool = gst_buffer_pool_get_default(POD_BUFPOOL_SIZE, POD_BUFPOOL_NUM);
}
in = gst_pad_pull(filter->sinkpad);

2
gst/playondemand/gstplayondemand.h
View file

@ -57,7 +57,7 @@ struct _GstPlayOnDemand {
GstElement element;
GstPad *sinkpad, *srcpad;
GstBufferPool *sinkpool, *srcpool;
GstBufferPool *bufpool;
/* these next data elements are for the filter's internal buffers and list of
play pointers (offsets in the internal buffers). there are also flags for