From c0b67627b12536efe6bac5a065f1e6b0a5d39c72 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Fri, 10 Sep 2004 13:31:06 +0000 Subject: initial commit git-svn-id: file:///home/lennart/svn/public/gst-pulse/trunk@3 bb39ca4e-bce3-0310-b5d4-eea78a553289 --- src/nullsink.c | 608 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 608 insertions(+) create mode 100644 src/nullsink.c (limited to 'src/nullsink.c') diff --git a/src/nullsink.c b/src/nullsink.c new file mode 100644 index 0000000..743cdbf --- /dev/null +++ b/src/nullsink.c @@ -0,0 +1,608 @@ +#include +#include +#include + +#include +#include + +#include "polypsink.h" + +enum { + ARG_0, + ARG_SERVER, + ARG_SINK, +}; + +static GstElementClass *parent_class = NULL; + +/* static void create_stream(GstPolypSink *polypsink); */ +/* static void destroy_stream(GstPolypSink *polypsink); */ + +/* static void create_context(GstPolypSink *polypsink); */ +/* static void destroy_context(GstPolypSink *polypsink); */ + +static void gst_polypsink_base_init(gpointer g_class) { + + static GstStaticPadTemplate pad_template = GST_STATIC_PAD_TEMPLATE( + "sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS( + "audio/x-raw-int, " + "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }," + "signed = (boolean) TRUE, " + "width = (int) 16, " + "depth = (int) 16, " + "rate = (int) [ 1000, 96000 ], " + "channels = (int) [1, 16]" + +/* "audio/x-raw-float, " */ +/* "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " */ +/* "width = (int) 32, " */ +/* "rate = (int) [ 1, 192000 ], " */ +/* "channels = (int) [ 1, 16 ];" */ + +/* "audio/x-raw-int, " */ +/* "signed = (boolean) FALSE, " */ +/* "width = (int) 8, " */ +/* "depth = (int) 8, " */ +/* "rate = (int) [ 1, 192000 ], " */ +/* "channels = (int) [ 1, 16 ]" */ + + ) + ); + + static const GstElementDetails details = { + "Polypaudio Audio Sink", + "Sink/Audio", + "Plays audio to a Polypaudio server", + "Lennart Poettering", + }; + + GstElementClass *element_class = GST_ELEMENT_CLASS(g_class); + gst_element_class_add_pad_template(element_class, gst_static_pad_template_get(&pad_template)); + gst_element_class_set_details(element_class, &details); +} + +/* static void gst_polypsink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { */ +/* GstPolypSink *polypsink; */ +/* g_return_if_fail(GST_IS_POLYPSINK(object)); */ +/* polypsink = GST_POLYPSINK(object); */ + +/* switch (prop_id) { */ +/* case ARG_SERVER: */ +/* g_free(polypsink->server); */ +/* polypsink->server = g_strdup(g_value_get_string(value)); */ +/* break; */ + +/* case ARG_SINK: */ +/* g_free(polypsink->sink); */ +/* polypsink->sink = g_strdup(g_value_get_string(value)); */ +/* break; */ + +/* default: */ +/* g_message("Fehler!"); */ +/* G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); */ +/* break; */ +/* } */ +/* } */ + +/* static void gst_polypsink_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec * pspec) { */ +/* GstPolypSink *polypsink; */ +/* g_return_if_fail(GST_IS_POLYPSINK(object)); */ +/* polypsink = GST_POLYPSINK(object); */ + +/* switch (prop_id) { */ +/* case ARG_SERVER: */ +/* g_value_set_string(value, polypsink->server); */ +/* break; */ + +/* case ARG_SINK: */ +/* g_value_set_string(value, polypsink->sink); */ +/* break; */ + +/* default: */ +/* g_message("Fehler!"); */ +/* G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); */ +/* break; */ +/* } */ +/* } */ + +/* static GstElementStateReturn gst_polypsink_change_state(GstElement * element) { */ +/* GstPolypSink *polypsink; */ + +/* polypsink = GST_POLYPSINK (element); */ + +/* g_message("state change: %u" , GST_STATE(element)); */ + +/* /\* switch(GST_STATE_TRANSITION(element)) { *\/ */ + +/* /\* case GST_STATE_NULL_TO_READY: *\/ */ +/* /\* /\\* create_context(polypsink); *\\/ *\/ */ +/* /\* break; *\/ */ + +/* /\* case GST_STATE_READY_TO_NULL: *\/ */ +/* /\* /\\* destroy_context(polypsink); *\\/ *\/ */ +/* /\* break; *\/ */ + +/* /\* case GST_STATE_READY_TO_PAUSED: *\/ */ +/* /\* case GST_STATE_PLAYING_TO_PAUSED: *\/ */ + +/* /\* /\\* create_stream(polypsink); *\\/ *\/ */ + +/* /\* /\\* g_message("cork on due to pause"); *\\/ *\/ */ + +/* /\* /\\* if (polypsink->stream && pa_stream_get_state(polypsink->stream) == PA_STREAM_READY) *\\/ *\/ */ +/* /\* /\\* pa_operation_unref(pa_stream_cork(polypsink->stream, 1, NULL, NULL)); *\\/ *\/ */ + +/* /\* break; *\/ */ + +/* /\* case GST_STATE_PAUSED_TO_PLAYING: *\/ */ + +/* /\* /\\* create_stream(polypsink); *\\/ *\/ */ + +/* /\* /\\* g_message("cork off due to pause"); *\\/ *\/ */ + +/* /\* /\\* if (polypsink->stream && pa_stream_get_state(polypsink->stream) == PA_STREAM_READY) *\\/ *\/ */ +/* /\* /\\* pa_operation_unref(pa_stream_cork(polypsink->stream, 0, NULL, NULL)); *\\/ *\/ */ + +/* /\* break; *\/ */ + +/* /\* case GST_STATE_PAUSED_TO_READY: *\/ */ +/* /\* /\\* destroy_stream(polypsink); *\\/ *\/ */ +/* /\* break; *\/ */ +/* /\* } *\/ */ + +/* if (GST_ELEMENT_CLASS(parent_class)->change_state) */ +/* return GST_ELEMENT_CLASS(parent_class)->change_state (element); */ + +/* return GST_STATE_SUCCESS; */ +/* } */ + + +/* static void do_write(GstPolypSink *polypsink, size_t length) { */ +/* size_t l; */ + +/* if (!polypsink->buffer) */ +/* return; */ + +/* g_assert(polypsink->buffer_index < GST_BUFFER_SIZE(polypsink->buffer)); */ +/* l = GST_BUFFER_SIZE(polypsink->buffer) - polypsink->buffer_index; */ + +/* if (l > length) */ +/* l = length; */ + +/* pa_stream_write(polypsink->stream, GST_BUFFER_DATA(polypsink->buffer) + polypsink->buffer_index, l, NULL, 0); */ +/* polypsink->buffer_index += l; */ + +/* /\* g_message("WROTE: %i/%i", polypsink->buffer_index, GST_BUFFER_SIZE(polypsink->buffer)); *\/ */ + +/* if (polypsink->buffer_index >= GST_BUFFER_SIZE(polypsink->buffer)) { */ +/* gst_buffer_unref(polypsink->buffer); */ +/* polypsink->buffer = NULL; */ +/* polypsink->buffer_index = 0; */ +/* } */ +/* } */ + +/* static void stream_write_callback(struct pa_stream *s, size_t length, void *userdata) { */ +/* GstPolypSink *polypsink = userdata; */ +/* g_assert(s && length && polypsink); */ + +/* do_write(polypsink, length); */ +/* } */ + +/* static void stream_state_callback(struct pa_stream *s, void *userdata) { */ +/* GstPolypSink *polypsink = userdata; */ +/* g_assert(s && polypsink); */ + +/* g_message("stream_state_callback()"); */ + +/* switch (pa_stream_get_state(s)) { */ +/* case PA_STREAM_DISCONNECTED: */ +/* case PA_STREAM_CREATING: */ +/* break; */ + +/* case PA_STREAM_READY: */ +/* break; */ + +/* case PA_STREAM_FAILED: */ +/* GST_ELEMENT_ERROR(GST_ELEMENT(polypsink), RESOURCE, BUSY, ("Stream creation failed: %s", pa_strerror(pa_context_errno(pa_stream_get_context(s)))), (NULL)); */ + +/* /\* Pass over *\/ */ +/* case PA_STREAM_TERMINATED: */ +/* default: */ +/* polypsink->mainloop_api->quit(polypsink->mainloop_api, 1); */ +/* destroy_context(polypsink); */ +/* break; */ +/* } */ +/* } */ + +/* static void context_state_callback(struct pa_context *c, void *userdata) { */ +/* GstPolypSink *polypsink = userdata; */ +/* g_assert(c && polypsink); */ + +/* g_message("context_state_callback()"); */ + +/* switch (pa_context_get_state(c)) { */ +/* case PA_CONTEXT_UNCONNECTED: */ +/* case PA_CONTEXT_CONNECTING: */ +/* case PA_CONTEXT_AUTHORIZING: */ +/* case PA_CONTEXT_SETTING_NAME: */ +/* break; */ + +/* case PA_CONTEXT_READY: { */ +/* GstElementState state; */ +/* g_assert(!polypsink->stream); */ + +/* state = gst_element_get_state(GST_ELEMENT(polypsink)); */ +/* if (state == GST_STATE_PAUSED || state == GST_STATE_PLAYING) */ +/* create_stream(polypsink); */ + +/* break; */ +/* } */ + +/* case PA_CONTEXT_FAILED: */ +/* GST_ELEMENT_ERROR(GST_ELEMENT(polypsink), RESOURCE, BUSY, ("Connection failed: %s", pa_strerror(pa_context_errno(c))), (NULL)); */ + +/* /\* Pass over *\/ */ +/* case PA_CONTEXT_TERMINATED: */ +/* default: */ +/* polypsink->mainloop_api->quit(polypsink->mainloop_api, 1); */ +/* destroy_context(polypsink); */ +/* break; */ +/* } */ +/* } */ + +/* static void create_stream(GstPolypSink *polypsink) { */ +/* char t[256]; */ +/* g_assert(polypsink); */ + +/* g_message("create_stream()"); */ + +/* if (polypsink->stream) */ +/* return; */ + +/* if (!polypsink->context) { */ +/* create_context(polypsink); */ +/* return; */ +/* } */ + +/* if (!polypsink->negotiated) */ +/* return; */ + +/* if (pa_context_get_state(polypsink->context) != PA_CONTEXT_READY) */ +/* return; */ + +/* g_message("creating stream"); */ + +/* pa_sample_spec_snprint(t, sizeof(t), &polypsink->sample_spec); */ + +/* polypsink->stream = pa_stream_new(polypsink->context, "gstreamer output", &polypsink->sample_spec); */ +/* g_assert(polypsink->stream); */ + +/* pa_stream_set_state_callback(polypsink->stream, stream_state_callback, polypsink); */ +/* pa_stream_set_write_callback(polypsink->stream, stream_write_callback, polypsink); */ +/* pa_stream_connect_playback(polypsink->stream, NULL, NULL); */ + +/* g_message("create_stream()"); */ +/* } */ + +/* static void create_context(GstPolypSink *polypsink) { */ +/* g_assert(polypsink); */ + +/* g_message("create_context()"); */ + +/* if (polypsink->context) */ +/* return; */ + +/* g_message("creating context"); */ + +/* polypsink->context = pa_context_new(polypsink->mainloop_api, "gstreamer"); */ +/* g_assert(polypsink->context); */ + +/* pa_context_set_state_callback(polypsink->context, context_state_callback, polypsink); */ +/* pa_context_connect(polypsink->context, NULL); */ +/* } */ + +/* static void destroy_stream(GstPolypSink *polypsink) { */ +/* g_message("destroy_stream()"); */ +/* g_assert(polypsink); */ + +/* if (polypsink->stream) { */ +/* struct pa_stream *s = polypsink->stream; */ +/* polypsink->stream = NULL; */ +/* pa_stream_set_state_callback(s, NULL, NULL); */ +/* pa_stream_set_write_callback(s, NULL, NULL); */ +/* pa_stream_unref(s); */ + +/* g_message("destroying stream"); */ +/* } */ +/* } */ + +/* static void destroy_context(GstPolypSink *polypsink) { */ +/* g_message("destroy_context()"); */ + +/* destroy_stream(polypsink); */ + +/* if (polypsink->context) { */ +/* struct pa_context *c = polypsink->context; */ +/* polypsink->context = NULL; */ +/* pa_context_set_state_callback(c, NULL, NULL); */ +/* pa_context_unref(c); */ + +/* g_message("destroying context"); */ +/* } */ +/* } */ + +static void gst_polypsink_chain(GstPad *pad, GstData *data) { + GstPolypSink *polypsink = GST_POLYPSINK(gst_pad_get_parent(pad)); + + return; + +/* g_assert(!polypsink->buffer); */ + +/* g_message("chain-entry"); */ + +/* if (GST_IS_EVENT(data)) { */ +/* GstEvent *event = GST_EVENT(data); */ + +/* switch (GST_EVENT_TYPE(event)) { */ +/* case GST_EVENT_EOS: */ +/* g_message("EOS"); */ +/* if (polypsink->stream) { */ +/* struct pa_operation *o; */ + +/* pa_operation_unref(pa_stream_cork(polypsink->stream, 0, NULL, NULL)); */ +/* o = pa_stream_drain(polypsink->stream, NULL, NULL); */ + +/* /\* drain now *\/ */ +/* while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) { */ +/* if (pa_mainloop_iterate(polypsink->mainloop, 1, NULL) < 0) */ +/* return; */ +/* } */ + +/* pa_operation_unref(o); */ +/* } */ + +/* break; */ +/* case GST_EVENT_FLUSH: */ +/* g_message("FLUSH"); */ +/* if (polypsink->stream) */ +/* pa_operation_unref(pa_stream_flush(polypsink->stream, NULL, NULL)); */ +/* break; */ + +/* default: */ +/* g_message("other event: %i", GST_EVENT_TYPE(event)); */ +/* break; */ +/* } */ + +/* gst_pad_event_default(polypsink->sinkpad, event); */ +/* } else { */ +/* /\* size_t l; *\/ */ +/* /\* polypsink->buffer = GST_BUFFER(data); *\/ */ +/* /\* polypsink->buffer_index = 0; *\/ */ +/* /\* polypsink->counter += GST_BUFFER_SIZE(polypsink->buffer); *\/ */ + +/* /\* if (polypsink->stream && (l = pa_stream_writable_size(polypsink->stream)) > 0) *\/ */ +/* /\* do_write(polypsink, l); *\/ */ + +/* gst_data_unref(data); */ +/* } */ + +/* /\* while (pa_context_is_pending(polypsink->context) || polypsink->buffer) { *\/ */ + +/* /\* g_message("iterate start %i %i", !!pa_context_is_pending(polypsink->context), !!polypsink->buffer); *\/ */ + +/* /\* if (pa_mainloop_iterate(polypsink->mainloop, 1, NULL) < 0) *\/ */ +/* /\* return; *\/ */ + +/* /\* g_message("iterate stop"); *\/ */ + +/* /\* } *\/ */ + +/* g_message("chain-exit"); */ +} + +/* static void stream_get_latency_callback(struct pa_stream *s, const struct pa_latency_info *i, void *userdata) { */ +/* GstPolypSink *polypsink = (GstPolypSink*) userdata; */ + +/* polypsink->latency = i->buffer_usec + i->sink_usec; */ +/* } */ + +/* static GstClockTime gst_polypsink_get_time(GstClock *clock, gpointer data) { */ +/* struct pa_operation *o; */ +/* GstPolypSink *polypsink = GST_POLYPSINK(data); */ +/* GstClockTime r, l; */ + +/* if (!polypsink->stream || pa_stream_get_state(polypsink->stream) != PA_STREAM_READY) */ +/* return 0; */ + +/* polypsink->latency = 0; */ + +/* o = pa_stream_get_latency(polypsink_>stream, latency_func, polypsink); */ +/* g_assert(o); */ + +/* while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) { */ +/* if (pa_mainloop_iterate(polypsink->mainloop, 1, NULL) < 0) */ +/* return; */ +/* } */ + +/* r = ((GstClockTime) polypsink->counter / pa_frame_size(&polypsink->sample_spec))*GST_SECOND/polypsink->sample_spec.rate; */ +/* l = polypsink->latency*GST_USECOND; */ + +/* return r > l ? r - l : 0; */ +/* } */ + +/* static GstClock *gst_polypsink_get_clock(GstElement * element) { */ +/* GstPolypSink *polypsink = GST_POLYPSINK (element); */ +/* return GST_CLOCK (polypsink->provided_clock); */ +/* } */ + +/* static void gst_polypsink_set_clock (GstElement * element, GstClock * clock) { */ +/* GstPolypSink *polypsink = GST_POLYPSINK (element); */ +/* polypsink->clock = clock; */ +/* } */ + +/* static GstPadLinkReturn gst_polypsink_link(GstPad *pad, const GstCaps *caps) { */ +/* int depth = 16, endianness = 1234; */ +/* gboolean sign = TRUE; */ +/* GstPolypSink *polypsink; */ +/* GstStructure *structure; */ +/* const char *n; */ + +/* polypsink = GST_POLYPSINK(gst_pad_get_parent(pad)); */ + +/* g_message("link: %p", polypsink); */ + +/* structure = gst_caps_get_structure(caps, 0); */ + +/* if (!(gst_structure_get_int(structure, "depth", &depth))) */ +/* gst_structure_get_int(structure, "width", &depth); */ + +/* gst_structure_get_int(structure, "endianness", &endianness); */ +/* gst_structure_get_boolean(structure, "signed", &sign); */ + +/* n = gst_structure_get_name(structure); */ + +/* if (depth == 16 && endianness == 1234 && sign && !strcmp(n, "audio/x-raw-int")) */ +/* polypsink->sample_spec.format = PA_SAMPLE_S16LE; */ +/* else if (depth == 16 && endianness == 4321 && sign && !strcmp(n, "audio/x-raw-int")) */ +/* polypsink->sample_spec.format = PA_SAMPLE_S16BE; */ +/* else if (depth == 8 && !sign && !strcmp(n, "audio/x-raw-int")) */ +/* polypsink->sample_spec.format = PA_SAMPLE_U8; */ +/* else if (depth == 32 && endianness == 1234 && !strcmp(n, "audio/x-raw-float")) */ +/* polypsink->sample_spec.format = PA_SAMPLE_FLOAT32LE; */ +/* else if (depth == 32 && endianness == 4321 && !strcmp(n, "audio/x-raw-float")) */ +/* polypsink->sample_spec.format = PA_SAMPLE_FLOAT32LE; */ +/* else */ +/* return GST_PAD_LINK_REFUSED; */ + + +/* polypsink->sample_spec.rate = 0; */ +/* polypsink->sample_spec.channels = 0; */ + +/* gst_structure_get_int(structure, "channels", (int*) &polypsink->sample_spec.channels); */ +/* gst_structure_get_int(structure, "rate", &polypsink->sample_spec.rate); */ + +/* if (!pa_sample_spec_valid(&polypsink->sample_spec)) */ +/* return GST_PAD_LINK_REFUSED; */ + +/* polypsink->negotiated = 1; */ + +/* /\* destroy_stream(polypsink); *\/ */ +/* /\*create_stream(polypsink);*\/ */ + +/* return GST_PAD_LINK_OK; */ +/* } */ + + +static void gst_polypsink_init(GTypeInstance* instance, gpointer g_class) { + GstPolypSink *polypsink = GST_POLYPSINK(instance); + + g_message("created: %p", polypsink); + + polypsink->sinkpad = gst_pad_new_from_template(gst_element_class_get_pad_template(GST_ELEMENT_GET_CLASS (instance), "sink"), "sink"); + + gst_element_add_pad(GST_ELEMENT(polypsink), polypsink->sinkpad); + gst_pad_set_chain_function(polypsink->sinkpad, gst_polypsink_chain); +/* gst_pad_set_link_function(polypsink->sinkpad, gst_polypsink_link);*/ + +/* GST_FLAG_SET (polypsink, GST_ELEMENT_THREAD_SUGGESTED);*/ + GST_FLAG_SET(polypsink, GST_ELEMENT_EVENT_AWARE); + +/* polypsink->context = NULL; */ +/* polypsink->stream = NULL; */ + +/* polypsink->mainloop = NULL; */ +/* polypsink->mainloop_api = NULL; */ + + /*pa_mainloop_new(); + g_assert(polypsink->mainloop); + + polypsink->mainloop_api = pa_mainloop_get_api(polypsink->mainloop);*/ + +/* polypsink->sample_spec.rate = 0; */ +/* polypsink->sample_spec.channels = 0; */ +/* polypsink->sample_spec.format = 0; */ + +/* polypsink->negotiated = 0; */ + +/* polypsink->buffer = NULL; */ +/* polypsink->buffer_index = 0; */ + +/* polypsink->latency = 0; */ +/* polypsink->counter = 0; */ + +/* polypsink->server = NULL; */ +/* polypsink->sink = NULL; */ + +} + +static void gst_polypsink_dispose(GObject *object) { + GstPolypSink *polypsink = GST_POLYPSINK(object); + +/* gst_object_unparent(GST_OBJECT(polypsink->provided_clock)); */ + + +/* destroy_context(polypsink); */ + +/* if (polypsink->buffer) */ +/* gst_buffer_unref(polypsink->buffer); */ + + +/* g_free(polypsink->server); */ +/* g_free(polypsink->sink); */ + + +/* pa_mainloop_free(polypsink->mainloop); */ + + G_OBJECT_CLASS(parent_class)->dispose(object); + + g_message("destroyed: %p", polypsink); +} + +static void gst_polypsink_class_init(gpointer g_class, gpointer class_data) { + GObjectClass *gobject_class = G_OBJECT_CLASS(g_class); + GstElementClass *gstelement_class = GST_ELEMENT_CLASS(g_class); + + parent_class = g_type_class_peek_parent(g_class); + +/* g_object_class_install_property(gobject_class, ARG_SERVER, g_param_spec_string("server", "server", "server", NULL, G_PARAM_READWRITE)); */ +/* g_object_class_install_property(gobject_class, ARG_SINK, g_param_spec_string("sink", "sink", "sink", NULL, G_PARAM_READWRITE)); */ + +/* gobject_class->set_property = gst_polypsink_set_property; */ +/* gobject_class->get_property = gst_polypsink_get_property; */ + gobject_class->dispose = gst_polypsink_dispose; + +/* gstelement_class->change_state = gst_polypsink_change_state; */ +/* gstelement_class->set_clock = gst_polypsink_set_clock; */ +/* gstelement_class->get_clock = gst_polypsink_get_clock; */ +} + + +gboolean gst_polypsink_factory_init(GstPlugin *plugin) { + return gst_element_register(plugin, "polypsink", GST_RANK_NONE, GST_TYPE_POLYPSINK); +} + +GType gst_polypsink_get_type(void) { + static GType polypsink_type = 0; + + if (!polypsink_type) { + + static const GTypeInfo polypsink_info = { + sizeof (GstPolypSinkClass), + gst_polypsink_base_init, + NULL, + gst_polypsink_class_init, + NULL, + NULL, + sizeof(GstPolypSink), + 0, + gst_polypsink_init, + }; + + polypsink_type = g_type_register_static(GST_TYPE_ELEMENT, "GstPolypSink", &polypsink_info, 0); + } + + return polypsink_type; +} -- cgit