+2004-01-30 Thomas Vander Stichele <thomas at apestaart dot org>
+
+ * gst-libs/gst/play/play.old.c:
+ * gst-libs/gst/play/play.old.h:
+ after CVS surgery by moving, remove
+ * gst-libs/gst/play/playpipelines.c:
+ remove
+
+ * gst/intfloat/float22int.c: (gst_float2_2_int_chain):
+ add negotiation error
+
2004-01-30 Thomas Vander Stichele <thomas at apestaart dot org>
* ext/ogg/gstoggdemux.c: (gst_ogg_demux_src_event),
+++ /dev/null
-/* GStreamer
- * Copyright (C) 1999,2000,2001,2002 Erik Walthinsen <omega@cse.ogi.edu>
- * 2000,2001,2002 Wim Taymans <wtay@chello.be>
- * 2002 Steve Baker <steve@stevebaker.org>
- * 2003 Julien Moutte <julien@moutte.net>
- *
- * play.c: GstPlay object code
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <string.h>
-#include "play.h"
-
-enum
-{
- STREAM_END,
- INFORMATION,
- STATE_CHANGE,
- STREAM_LENGTH,
- TIME_TICK,
- HAVE_VIDEO_OUT,
- HAVE_VIS_VIDEO_OUT,
- HAVE_VIDEO_SIZE,
- HAVE_VIS_SIZE,
- PIPELINE_ERROR,
- /* put additional signals before this comment */
- LAST_SIGNAL
-};
-
-/* this struct is used to decouple signals coming out of threaded pipelines */
-
-typedef struct _GstPlaySignal GstPlaySignal;
-
-struct _GstPlaySignal
-{
- gint signal_id;
- union
- {
- struct
- {
- gint width;
- gint height;
- } video_size;
- struct
- {
- gpointer video_out;
- } video_out;
- struct
- {
- GstElementState old_state;
- GstElementState new_state;
- } state;
- struct
- {
- GstObject *object;
- GParamSpec *param;
- } info;
- struct
- {
- GstElement *element;
- char *error;
- } error;
- } signal_data;
-};
-
-enum
-{
- ARG_0,
- ARG_LOCATION,
- ARG_VOLUME,
- ARG_MUTE,
- /* FILL ME */
-};
-
-static guint gst_play_signals[LAST_SIGNAL] = { 0 };
-
-static GstElementClass *parent_class = NULL;
-
-/* ============================================================= */
-/* */
-/* Private Methods */
-/* */
-/* ============================================================= */
-
-/* =========================================== */
-/* */
-/* Tool Box */
-/* */
-/* =========================================== */
-
-static GQuark
-gst_play_error_quark (void)
-{
- static GQuark quark = 0;
- if (quark == 0)
- {
- quark = g_quark_from_static_string ("gst-play-error-quark");
- }
-
- return quark;
-}
-
-/* GError creation when plugin is missing
- * If we want to make error messages less
- * generic and have more errors than only
- * plug-ins, move the message creation to the switch */
-static void
-gst_play_error_plugin (GstPlayError type, GError ** error)
-{
- gchar *name;
-
- if (error == NULL)
- return;
-
- switch (type)
- {
- case GST_PLAY_ERROR_THREAD:
- name = g_strdup ("thread");
- break;
- case GST_PLAY_ERROR_QUEUE:
- name = g_strdup ("queue");
- break;
- case GST_PLAY_ERROR_FAKESINK:
- name = g_strdup ("fakesink");
- break;
- case GST_PLAY_ERROR_VOLUME:
- name = g_strdup ("volume");
- break;
- case GST_PLAY_ERROR_COLORSPACE:
- name = g_strdup ("colorspace");
- break;
- case GST_PLAY_ERROR_GNOMEVFSSRC:
- name = g_strdup ("gnomevfssrc");
- break;
- default:
- name = g_strdup ("unknown");
- break;
- }
-
- *error = g_error_new (GST_PLAY_ERROR,
- type,
- "The %s plug-in could not be found. "
- "This plug-in is essential for libgstplay. "
- "Please install it and verify that it works "
- "by running 'gst-inspect %s'", name, name);
- g_free (name);
- return;
-}
-
-static void
-gst_play_set_property (GObject * object,
- guint prop_id,
- const GValue * value, GParamSpec * pspec)
-{
- GstPlay *play;
- g_return_if_fail (object != NULL);
- g_return_if_fail (GST_IS_PLAY (object));
- play = GST_PLAY (object);
-
- switch (prop_id)
- {
- case ARG_LOCATION:
- gst_play_set_location (play, g_value_get_string (value));
- break;
- case ARG_VOLUME:
- gst_play_set_volume (play, g_value_get_float (value));
- break;
- case ARG_MUTE:
- gst_play_set_mute (play, g_value_get_boolean (value));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gst_play_get_property (GObject * object,
- guint prop_id, GValue * value, GParamSpec * pspec)
-{
- GstPlay *play;
- g_return_if_fail (object != NULL);
- g_return_if_fail (GST_IS_PLAY (object));
- play = GST_PLAY (object);
-
- switch (prop_id)
- {
- case ARG_LOCATION:
- g_value_set_string (value, gst_play_get_location (play));
- break;
- case ARG_VOLUME:
- g_value_set_float (value, gst_play_get_volume (play));
- break;
- case ARG_MUTE:
- g_value_set_boolean (value, gst_play_get_mute (play));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-/* =========================================== */
-/* */
-/* Event Handlers, Callbacks */
-/* */
-/* =========================================== */
-
-static gboolean
-gst_play_get_length_callback (GstPlay * play)
-{
- gint64 value;
- GstFormat format = GST_FORMAT_TIME;
- gboolean query_worked = FALSE;
-
- if ((play->audio_sink_element != NULL) &&
- (GST_IS_ELEMENT (play->audio_sink_element)))
- {
- query_worked =
- gst_element_query (play->audio_sink_element, GST_QUERY_TOTAL, &format,
- &value);
- }
- else if ((play->video_sink_element != NULL) &&
- (GST_IS_ELEMENT (play->video_sink_element)))
- {
- query_worked =
- gst_element_query (play->video_sink_element, GST_QUERY_TOTAL, &format,
- &value);
- }
- if (query_worked)
- {
- g_signal_emit (G_OBJECT (play), gst_play_signals[STREAM_LENGTH], 0,
- value);
- play->length_nanos = value;
- return FALSE;
- }
- else
- {
- if (play->get_length_attempt-- < 1)
- {
- /* we've tried enough times, give up */
- return FALSE;
- }
- }
- return (gst_element_get_state (play->pipeline) == GST_STATE_PLAYING);
-}
-
-static gboolean
-gst_play_tick_callback (GstPlay * play)
-{
- gint secs;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
-
- play->clock = gst_bin_get_clock (GST_BIN (play->pipeline));
- play->time_nanos = gst_clock_get_time (play->clock);
- secs = (gint) (play->time_nanos / GST_SECOND);
- if (secs != play->time_seconds)
- {
- play->time_seconds = secs;
- g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK], 0,
- play->time_nanos);
- }
-
- return (gst_element_get_state (play->pipeline) == GST_STATE_PLAYING);
-}
-
-static gboolean
-gst_play_default_idle (GstPlayIdleData * idle_data)
-{
- if (idle_data->func (idle_data->data))
- {
- /* call this function again in the future */
- return TRUE;
- }
- /* this function should no longer be called */
- g_free (idle_data);
- return FALSE;
-}
-
-static guint
-gst_play_default_timeout_add (guint interval,
- GSourceFunc function, gpointer data)
-{
- GstPlayIdleData *idle_data = g_new0 (GstPlayIdleData, 1);
- idle_data->func = function;
- idle_data->data = data;
-
- return g_timeout_add (interval, (GSourceFunc) gst_play_default_idle,
- idle_data);
-}
-
-static guint
-gst_play_default_idle_add (GSourceFunc function, gpointer data)
-{
- GstPlayIdleData *idle_data = g_new0 (GstPlayIdleData, 1);
- idle_data->func = function;
- idle_data->data = data;
-
- return g_idle_add ((GSourceFunc) gst_play_default_idle, idle_data);
-}
-
-static gboolean
-gst_play_idle_callback (GstPlay * play)
-{
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
-
- return gst_bin_iterate (GST_BIN (play->pipeline));
-}
-
-static gboolean
-gst_play_idle_signal (GstPlay * play)
-{
- GstPlaySignal *signal;
- gint queue_length;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
-
- signal = g_async_queue_try_pop (play->signal_queue);
- if (signal == NULL)
- {
- return FALSE;
- }
-
- switch (signal->signal_id)
- {
- case HAVE_VIDEO_OUT:
- g_signal_emit (G_OBJECT (play), gst_play_signals[HAVE_VIDEO_OUT], 0,
- signal->signal_data.video_out.video_out);
- break;
- case HAVE_VIS_VIDEO_OUT:
- g_signal_emit (G_OBJECT (play), gst_play_signals[HAVE_VIS_VIDEO_OUT], 0,
- signal->signal_data.video_out.video_out);
- break;
- case HAVE_VIDEO_SIZE:
- g_signal_emit (G_OBJECT (play), gst_play_signals[HAVE_VIDEO_SIZE], 0,
- signal->signal_data.video_size.width,
- signal->signal_data.video_size.height);
- break;
- case HAVE_VIS_SIZE:
- g_signal_emit (G_OBJECT (play), gst_play_signals[HAVE_VIS_SIZE], 0,
- signal->signal_data.video_size.width,
- signal->signal_data.video_size.height);
- break;
- case STATE_CHANGE:
- g_signal_emit (G_OBJECT (play), gst_play_signals[STATE_CHANGE], 0,
- signal->signal_data.state.old_state,
- signal->signal_data.state.new_state);
- break;
- case INFORMATION:
- g_signal_emit (G_OBJECT (play), gst_play_signals[INFORMATION], 0,
- signal->signal_data.info.object,
- signal->signal_data.info.param);
- gst_object_unref (signal->signal_data.info.object);
- break;
- case PIPELINE_ERROR:
- if (gst_element_get_state (play->pipeline) == GST_STATE_PLAYING)
- if (gst_element_set_state (play->pipeline, GST_STATE_READY) !=
- GST_STATE_SUCCESS)
- g_warning ("PIPELINE_ERROR: set to READY failed");
- g_signal_emit (G_OBJECT (play), gst_play_signals[PIPELINE_ERROR], 0,
- signal->signal_data.error.element,
- signal->signal_data.error.error);
- if (signal->signal_data.error.error)
- g_free (signal->signal_data.error.error);
- gst_object_unref (GST_OBJECT (signal->signal_data.error.element));
- break;
- default:
- break;
- }
-
- g_free (signal);
- queue_length = g_async_queue_length (play->signal_queue);
-
- return (queue_length > 0);
-}
-
-static gboolean
-gst_play_idle_eos (GstPlay * play)
-{
- g_signal_emit (G_OBJECT (play), gst_play_signals[STREAM_END], 0);
- return FALSE;
-}
-
-static void
-callback_audio_sink_eos (GstElement * element, GstPlay * play)
-{
- play->idle_add_func ((GSourceFunc) gst_play_idle_eos, play);
-}
-
-static void
-callback_video_have_video_out (GstElement * element,
- gpointer video_out, GstPlay * play)
-{
- GstPlaySignal *signal;
-
- signal = g_new0 (GstPlaySignal, 1);
- signal->signal_id = HAVE_VIDEO_OUT;
- signal->signal_data.video_out.video_out = video_out;
-
- g_async_queue_push (play->signal_queue, signal);
-
- play->idle_add_func ((GSourceFunc) gst_play_idle_signal, play);
-}
-
-static void
-callback_video_have_vis_video_out (GstElement * element,
- gpointer video_out, GstPlay * play)
-{
- GstPlaySignal *signal;
-
- signal = g_new0 (GstPlaySignal, 1);
- signal->signal_id = HAVE_VIS_VIDEO_OUT;
- signal->signal_data.video_out.video_out = video_out;
-
- g_async_queue_push (play->signal_queue, signal);
-
- play->idle_add_func ((GSourceFunc) gst_play_idle_signal, play);
-}
-
-static void
-callback_video_have_size (GstElement * element,
- gint width, gint height, GstPlay * play)
-{
- GstPlaySignal *signal;
-
- signal = g_new0 (GstPlaySignal, 1);
- signal->signal_id = HAVE_VIDEO_SIZE;
- signal->signal_data.video_size.width = width;
- signal->signal_data.video_size.height = height;
-
- g_async_queue_push (play->signal_queue, signal);
-
- play->idle_add_func ((GSourceFunc) gst_play_idle_signal, play);
-}
-
-static void
-callback_video_have_vis_size (GstElement * element,
- gint width, gint height, GstPlay * play)
-{
- GstPlaySignal *signal;
-
- signal = g_new0 (GstPlaySignal, 1);
- signal->signal_id = HAVE_VIS_SIZE;
- signal->signal_data.video_size.width = width;
- signal->signal_data.video_size.height = height;
-
- g_async_queue_push (play->signal_queue, signal);
-
- play->idle_add_func ((GSourceFunc) gst_play_idle_signal, play);
-}
-
-static void
-callback_pipeline_error (GstElement * object,
- GstElement * orig, char *error, GstPlay * play)
-{
- GstPlaySignal *signal;
-
- signal = g_new0 (GstPlaySignal, 1);
- signal->signal_id = PIPELINE_ERROR;
- signal->signal_data.error.element = orig;
- signal->signal_data.error.error = g_strdup (error);
-
- gst_object_ref (GST_OBJECT (orig));
-
- g_async_queue_push (play->signal_queue, signal);
-
- play->idle_add_func ((GSourceFunc) gst_play_idle_signal, play);
-}
-
-static void
-callback_pipeline_deep_notify (GstObject * element,
- GstObject * orig,
- GParamSpec * param, GstPlay * play)
-{
- GstPlaySignal *signal;
-
- signal = g_new0 (GstPlaySignal, 1);
- signal->signal_id = INFORMATION;
- signal->signal_data.info.object = orig;
- signal->signal_data.info.param = param;
-
- gst_object_ref (orig);
-
- g_async_queue_push (play->signal_queue, signal);
-
- play->idle_add_func ((GSourceFunc) gst_play_idle_signal, play);
-}
-
-static void
-callback_pipeline_state_change (GstElement * element,
- GstElementState old,
- GstElementState state, GstPlay * play)
-{
- GstPlaySignal *signal;
-
- g_return_if_fail (play != NULL);
- g_return_if_fail (element != NULL);
- g_return_if_fail (GST_IS_ELEMENT (element));
- g_return_if_fail (GST_IS_PLAY (play));
- g_return_if_fail (element == play->pipeline);
-
- /*g_print ("got state change %s to %s\n", gst_element_state_get_name (old), gst_element_state_get_name (state)); */
-
- /* do additional stuff depending on state */
- if (GST_IS_PIPELINE (play->pipeline))
- {
- switch (state)
- {
- case GST_STATE_PLAYING:
- play->idle_add_func ((GSourceFunc) gst_play_idle_callback, play);
- play->timeout_add_func (200,
- (GSourceFunc) gst_play_tick_callback, play);
- if (play->length_nanos == 0LL)
- {
- /* try to get the length up to 16 times */
- play->get_length_attempt = 16;
- play->timeout_add_func (200,
- (GSourceFunc)
- gst_play_get_length_callback, play);
- }
- break;
- default:
- break;
- }
- }
- signal = g_new0 (GstPlaySignal, 1);
- signal->signal_id = STATE_CHANGE;
- signal->signal_data.state.old_state = old;
- signal->signal_data.state.new_state = state;
-
- g_async_queue_push (play->signal_queue, signal);
-
- play->idle_add_func ((GSourceFunc) gst_play_idle_signal, play);
-}
-
-/* split static pipeline functions to a seperate file */
-#include "playpipelines.c"
-
-/* =========================================== */
-/* */
-/* Init & Class init */
-/* */
-/* =========================================== */
-
-static void
-gst_play_dispose (GObject * object)
-{
- GstPlay *play;
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (GST_IS_PLAY (object));
- play = GST_PLAY (object);
-
- /* Removing all sources */
- while (g_source_remove_by_user_data (play));
-
- G_OBJECT_CLASS (parent_class)->dispose (object);
-}
-
-static void
-gst_play_class_init (GstPlayClass * klass)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
-
- parent_class = g_type_class_ref (GST_TYPE_OBJECT);
-
- klass->information = NULL;
- klass->state_changed = NULL;
- klass->stream_end = NULL;
-
- gobject_class->dispose = gst_play_dispose;
- gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_play_set_property);
- gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_play_get_property);
-
- g_object_class_install_property (gobject_class,
- ARG_LOCATION,
- g_param_spec_string ("location",
- "location of file",
- "location of the file to play",
- NULL,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (gobject_class,
- ARG_VOLUME,
- g_param_spec_float ("volume",
- "Playing volume",
- "Playing volume",
- 0, 1.0, 0,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (gobject_class,
- ARG_MUTE,
- g_param_spec_boolean ("mute",
- "Volume muted",
- "Playing volume muted",
- FALSE,
- G_PARAM_READWRITE));
-
- gst_play_signals[INFORMATION] =
- g_signal_new ("information",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (GstPlayClass, information),
- NULL, NULL,
- gst_marshal_VOID__OBJECT_PARAM,
- G_TYPE_NONE, 2, G_TYPE_OBJECT, G_TYPE_PARAM);
-
- gst_play_signals[PIPELINE_ERROR] =
- g_signal_new ("pipeline_error",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (GstPlayClass, pipeline_error),
- NULL, NULL,
- gst_marshal_VOID__OBJECT_STRING,
- G_TYPE_NONE, 2, G_TYPE_OBJECT, G_TYPE_STRING);
-
- gst_play_signals[STATE_CHANGE] =
- g_signal_new ("state_change",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (GstPlayClass, state_changed),
- NULL, NULL,
- gst_marshal_VOID__INT_INT,
- G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT);
-
- gst_play_signals[STREAM_END] =
- g_signal_new ("stream_end",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (GstPlayClass, stream_end),
- NULL, NULL, gst_marshal_VOID__VOID, G_TYPE_NONE, 0);
-
- gst_play_signals[TIME_TICK] =
- g_signal_new ("time_tick",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (GstPlayClass, time_tick),
- NULL, NULL,
- gst_marshal_VOID__INT64, G_TYPE_NONE, 1, G_TYPE_INT64);
-
- gst_play_signals[STREAM_LENGTH] =
- g_signal_new ("stream_length",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (GstPlayClass, stream_length),
- NULL, NULL,
- gst_marshal_VOID__INT64, G_TYPE_NONE, 1, G_TYPE_INT64);
-
- gst_play_signals[HAVE_VIDEO_OUT] =
- g_signal_new ("have_video_out",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (GstPlayClass, have_video_out),
- NULL, NULL,
- gst_marshal_VOID__POINTER, G_TYPE_NONE, 1, G_TYPE_INT);
-
- gst_play_signals[HAVE_VIS_VIDEO_OUT] =
- g_signal_new ("have_vis_video_out",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (GstPlayClass, have_vis_video_out),
- NULL, NULL,
- gst_marshal_VOID__POINTER, G_TYPE_NONE, 1, G_TYPE_INT);
-
- gst_play_signals[HAVE_VIDEO_SIZE] =
- g_signal_new ("have_video_size",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (GstPlayClass, have_video_size),
- NULL, NULL,
- gst_marshal_VOID__INT_INT,
- G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT);
-
- gst_play_signals[HAVE_VIS_SIZE] =
- g_signal_new ("have_vis_size",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (GstPlayClass, have_vis_size),
- NULL, NULL,
- gst_marshal_VOID__INT_INT,
- G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_INT);
-
- gst_control_init (NULL, NULL);
-}
-
-
-
-static void
-gst_play_init (GstPlay * play)
-{
- play->pipeline = NULL;
- play->source = NULL;
- play->autoplugger = NULL;
- play->audio_sink = NULL;
- play->audio_sink_element = NULL;
- play->video_sink = NULL;
- play->video_sink_element = NULL;
- play->volume = NULL;
- play->other_elements = g_hash_table_new (g_str_hash, g_str_equal);
-
- gst_play_set_idle_timeout_funcs (play,
- gst_play_default_timeout_add,
- gst_play_default_idle_add);
-}
-
-/* ============================================================= */
-/* */
-/* Public Methods */
-/* */
-/* ============================================================= */
-
-/* =========================================== */
-/* */
-/* Toolbox */
-/* */
-/* =========================================== */
-
-/**
- * gst_play_seek_to_time:
- * @play: a #GstPlay.
- * @time_nanos: a #gint64 indicating a time position.
- *
- * Performs a seek on @play until @time_nanos.
- */
-void
-gst_play_seek_to_time (GstPlay * play, gint64 time_nanos)
-{
- GstEvent *s_event;
- guint8 prev_state;
- gboolean audio_seek_worked = FALSE;
- gboolean video_seek_worked = FALSE;
- gboolean visualization_seek_worked = FALSE;
-
- g_return_if_fail (play != NULL);
- g_return_if_fail (GST_IS_PLAY (play));
- if (time_nanos < 0LL)
- {
- play->seek_time = 0LL;
- }
- else if (time_nanos < 0LL)
- {
- play->seek_time = play->length_nanos;
- }
- else
- {
- play->seek_time = time_nanos;
- }
-
- /*g_print("doing seek to %lld\n", play->seek_time); */
- prev_state = GST_STATE (play->pipeline);
- if (gst_play_set_state (play, GST_STATE_PAUSED) != GST_STATE_SUCCESS)
- g_warning ("gst_play_seek: setting to READY failed\n");
-
- s_event = gst_event_new_seek (GST_FORMAT_TIME |
- GST_SEEK_METHOD_SET |
- GST_SEEK_FLAG_FLUSH, play->seek_time);
- if (play->audio_sink_element != NULL)
- {
- gst_event_ref (s_event);
- audio_seek_worked =
- gst_element_send_event (play->audio_sink_element, s_event);
- }
- if (play->visualization_sink_element != NULL)
- {
- gst_event_ref (s_event);
- visualization_seek_worked =
- gst_element_send_event (play->visualization_sink_element, s_event);
- }
- if (play->video_sink_element != NULL)
- {
- gst_event_ref (s_event);
- video_seek_worked =
- gst_element_send_event (play->video_sink_element, s_event);
- }
- gst_event_unref (s_event);
-
- if (audio_seek_worked || video_seek_worked)
- {
- play->time_nanos = gst_clock_get_time (play->clock);
- g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK], 0,
- play->time_nanos);
- }
- if (gst_element_set_state (play->pipeline, prev_state) != GST_STATE_SUCCESS)
- g_warning ("gst_play_seek_to_time: setting to READY failed\n");
-}
-
-/**
- * gst_play_need_new_video_window:
- * @play: a #GstPlay.
- *
- * Request a new video window for @play.
- */
-void
-gst_play_need_new_video_window (GstPlay * play)
-{
- g_return_if_fail (play != NULL);
- g_return_if_fail (GST_IS_PLAY (play));
- if (GST_IS_ELEMENT (play->video_sink_element))
- {
- g_object_set (G_OBJECT (play->video_sink_element),
- "need_new_window", TRUE, NULL);
- }
- if (GST_IS_ELEMENT (play->visualization_sink_element))
- {
- g_object_set (G_OBJECT (play->visualization_sink_element),
- "need_new_window", TRUE, NULL);
- }
-}
-
-void
-gst_play_set_idle_timeout_funcs (GstPlay * play,
- GstPlayTimeoutAdd timeout_add_func,
- GstPlayIdleAdd idle_add_func)
-{
- g_return_if_fail (play != NULL);
- g_return_if_fail (GST_IS_PLAY (play));
- play->timeout_add_func = timeout_add_func;
- play->idle_add_func = idle_add_func;
-}
-
-/**
- * gst_play_get_sink_element:
- * @play: a #GstPlay.
- * @element: a #GstElement.
- * @sink_type: a #GstPlaySinkType.
- *
- * Searches recursively for a sink #GstElement with
- * type @sink_type in @element which is supposed to be a #GstBin.
- *
- * Returns: the sink #GstElement of @element.
- */
-GstElement *
-gst_play_get_sink_element (GstPlay * play,
- GstElement * element, GstPlaySinkType sink_type)
-{
- GList *elements = NULL;
- const GList *pads = NULL;
- gboolean has_src, has_correct_type;
-
- g_return_val_if_fail (play != NULL, NULL);
- g_return_val_if_fail (element != NULL, NULL);
- g_return_val_if_fail (GST_IS_PLAY (play), NULL);
- g_return_val_if_fail (GST_IS_ELEMENT (element), NULL);
-
- if (!GST_IS_BIN (element))
- {
- /* since its not a bin, we'll presume this
- * element is a sink element */
- return element;
- }
-
- elements = (GList *) gst_bin_get_list (GST_BIN (element));
-
- /* traverse all elements looking for a src pad */
-
- while (elements)
- {
-
- element = GST_ELEMENT (elements->data);
-
- /* Recursivity :) */
-
- if (GST_IS_BIN (element))
- {
- element = gst_play_get_sink_element (play, element, sink_type);
- if (GST_IS_ELEMENT (element))
- {
- return element;
- }
- }
- else
- {
-
- pads = gst_element_get_pad_list (element);
- has_src = FALSE;
- has_correct_type = FALSE;
- while (pads)
- {
- /* check for src pad */
- if (GST_PAD_DIRECTION (GST_PAD (pads->data)) == GST_PAD_SRC)
- {
- has_src = TRUE;
- break;
- }
- else
- {
- /* If not a src pad checking caps */
- gboolean has_video_cap = FALSE, has_audio_cap = FALSE;
- const char *media_type;
-
- media_type = gst_structure_get_name (gst_caps_get_structure (
- gst_pad_get_negotiated_caps (GST_PAD (pads->data)), 0));
- if (strcmp (media_type, "audio/x-raw-int") == 0)
- {
- has_audio_cap = TRUE;
- }
- if ((strcmp (media_type, "video/x-raw-yuv") == 0) ||
- (strcmp (media_type, "video/x-raw-rgb") == 0))
-
- {
- has_video_cap = TRUE;
- }
-
- switch (sink_type)
- {
- case GST_PLAY_SINK_TYPE_AUDIO:
- if (has_audio_cap)
- has_correct_type = TRUE;
- break;;
- case GST_PLAY_SINK_TYPE_VIDEO:
- if (has_video_cap)
- has_correct_type = TRUE;
- break;;
- case GST_PLAY_SINK_TYPE_ANY:
- if ((has_video_cap) || (has_audio_cap))
- has_correct_type = TRUE;
- break;;
- default:
- has_correct_type = FALSE;
- }
- }
- pads = g_list_next (pads);
- }
- if ((!has_src) && (has_correct_type))
- {
- return element;
- }
- }
- elements = g_list_next (elements);
- }
- /* we didn't find a sink element */
- return NULL;
-}
-
-/* =========================================== */
-/* */
-/* State, Mute, Volume, Location */
-/* */
-/* =========================================== */
-
-/**
- * gst_play_set_state:
- * @play: a #GstPlay.
- * @state: a #GstElementState.
- *
- * Set state of @play 's pipeline to @state.
- *
- * Returns: a #GstElementStateReturn indicating if the operation succeeded.
- */
-GstElementStateReturn
-gst_play_set_state (GstPlay * play, GstElementState state)
-{
- g_return_val_if_fail (play != NULL, GST_STATE_FAILURE);
- g_return_val_if_fail (GST_IS_PLAY (play), GST_STATE_FAILURE);
- g_return_val_if_fail (GST_IS_ELEMENT (play->pipeline), GST_STATE_FAILURE);
-
- return gst_element_set_state (play->pipeline, state);
-}
-
-/**
- * gst_play_get_state:
- * @play: a #GstPlay.
- *
- * Get state of @play 's pipeline.
- *
- * Returns: a #GstElementState indicating @play 's pipeline current state.
- */
-GstElementState
-gst_play_get_state (GstPlay * play)
-{
- g_return_val_if_fail (play != NULL, GST_STATE_FAILURE);
- g_return_val_if_fail (GST_IS_PLAY (play), GST_STATE_FAILURE);
- g_return_val_if_fail (play->pipeline, GST_STATE_FAILURE);
-
- return gst_element_get_state (play->pipeline);
-}
-
-/**
- * gst_play_set_location:
- * @play: a #GstPlay.
- * @location: a const #gchar indicating location to play
- *
- * Set location of @play to @location.
- *
- * Returns: TRUE if location was set successfully.
- */
-gboolean
-gst_play_set_location (GstPlay * play, const gchar * location)
-{
- GstElementState current_state;
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (location != NULL, FALSE);
-
- current_state = gst_play_get_state (play);
- if (current_state != GST_STATE_READY)
- {
- if (gst_play_set_state (play, GST_STATE_READY) != GST_STATE_SUCCESS)
- g_warning ("gst_play_set_location: setting to READY failed\n");
- }
-
- if (play->set_autoplugger)
- {
- if (!play->
- set_autoplugger (play,
- gst_element_factory_make ("spider",
- "autoplugger")))
- {
- g_warning ("couldn't replace autoplugger\n");
- return FALSE;
- }
- }
-
- /* FIXME check for valid location (somehow) */
- g_object_set (G_OBJECT (play->source), "location", location, NULL);
-
- /* reset time/length values */
- play->time_seconds = 0;
- play->length_nanos = 0LL;
- play->time_nanos = 0LL;
- g_signal_emit (G_OBJECT (play), gst_play_signals[STREAM_LENGTH], 0, 0LL);
- g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK], 0, 0LL);
- play->need_stream_length = TRUE;
-
- return TRUE;
-}
-
-/**
- * gst_play_get_location:
- * @play: a #GstPlay.
- *
- * Get current location of @play.
- *
- * Returns: a #gchar pointer to current location.
- */
-gchar *
-gst_play_get_location (GstPlay * play)
-{
- gchar *location;
- g_return_val_if_fail (play != NULL, NULL);
- g_return_val_if_fail (GST_IS_PLAY (play), NULL);
- g_return_val_if_fail (GST_IS_ELEMENT (play->source), NULL);
- g_object_get (G_OBJECT (play->source), "location", &location, NULL);
- return location;
-}
-
-/**
- * gst_play_set_volume:
- * @play: a #GstPlay.
- * @volume: a #gfloat indicating volume level.
- *
- * Set current volume of @play.
- */
-void
-gst_play_set_volume (GstPlay * play, gfloat volume)
-{
- g_return_if_fail (play != NULL);
- g_return_if_fail (GST_IS_PLAY (play));
-
- g_object_set (G_OBJECT (play->vol_dparam), "value_float", volume, NULL);
-}
-
-/**
- * gst_play_get_volume:
- * @play: a #GstPlay.
- *
- * Get current volume of @play.
- *
- * Returns: a #gfloat indicating current volume level.
- */
-gfloat
-gst_play_get_volume (GstPlay * play)
-{
- gfloat volume;
-
- g_return_val_if_fail (play != NULL, 0);
- g_return_val_if_fail (GST_IS_PLAY (play), 0);
-
- g_object_get (G_OBJECT (play->vol_dparam), "value_float", &volume, NULL);
-
- return volume;
-}
-
-/**
- * gst_play_set_mute:
- * @play: a #GstPlay.
- * @mute: a #gboolean indicating wether audio is muted or not.
- *
- * Mutes/Unmutes audio playback of @play.
- */
-void
-gst_play_set_mute (GstPlay * play, gboolean mute)
-{
- g_return_if_fail (play != NULL);
- g_return_if_fail (GST_IS_PLAY (play));
-
- g_object_set (G_OBJECT (play->volume), "mute", mute, NULL);
-}
-
-/**
- * gst_play_get_mute:
- * @play: a #GstPlay.
- *
- * Get current muted status of @play.
- *
- * Returns: a #gboolean indicating if audio is muted or not.
- */
-gboolean
-gst_play_get_mute (GstPlay * play)
-{
- gboolean mute;
-
- g_return_val_if_fail (play != NULL, 0);
- g_return_val_if_fail (GST_IS_PLAY (play), 0);
-
- g_object_get (G_OBJECT (play->volume), "mute", &mute, NULL);
-
- return mute;
-}
-
-/* =========================================== */
-/* */
-/* Audio sink, Video sink, Data src */
-/* */
-/* =========================================== */
-
-/**
- * gst_play_set_data_src:
- * @play: a #GstPlay.
- * @data_src: a #GstElement.
- *
- * Set @data_src as the source element of @play.
- *
- * Returns: TRUE if call succeeded.
- */
-gboolean
-gst_play_set_data_src (GstPlay * play, GstElement * data_src)
-{
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (data_src != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (data_src), FALSE);
-
- if (gst_play_get_state (play) != GST_STATE_READY)
- {
- if (gst_play_set_state (play, GST_STATE_READY) != GST_STATE_SUCCESS)
- g_warning ("gst_play_set_data_src: setting to READY failed\n");
- }
-
- if (play->set_data_src)
- {
- return play->set_data_src (play, data_src);
- }
-
- /* if there is no set_data_src func, fail quietly */
- return FALSE;
-}
-
-/**
- * gst_play_set_video_sink:
- * @play: a #GstPlay.
- * @video_sink: a #GstElement.
- *
- * Set @video_sink as the video sink element of @play.
- *
- * Returns: TRUE if call succeeded.
- */
-gboolean
-gst_play_set_video_sink (GstPlay * play, GstElement * video_sink)
-{
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (video_sink != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (video_sink), FALSE);
-
- if (gst_play_get_state (play) != GST_STATE_READY)
- {
- if (gst_play_set_state (play, GST_STATE_READY) != GST_STATE_SUCCESS)
- g_warning ("gst_play_set_video_sink: setting to READY failed\n");
- }
-
- if (play->set_video_sink)
- {
- return play->set_video_sink (play, video_sink);
- }
-
- /* if there is no set_video_sink func, fail quietly */
- return FALSE;
-}
-
-/**
- * gst_play_set_audio_sink:
- * @play: a #GstPlay.
- * @audio_sink: a #GstElement.
- *
- * Set @audio_sink as the audio sink element of @play.
- *
- * Returns: TRUE if call succeeded.
- */
-gboolean
-gst_play_set_audio_sink (GstPlay * play, GstElement * audio_sink)
-{
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (audio_sink != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (audio_sink), FALSE);
-
- if (gst_play_get_state (play) != GST_STATE_READY)
- {
- if (gst_play_set_state (play, GST_STATE_READY) != GST_STATE_SUCCESS)
- g_warning ("gst_play_set_audio_sink: setting to READY failed\n");
- }
-
- if (play->set_audio_sink)
- {
- return play->set_audio_sink (play, audio_sink);
- }
-
- /* if there is no set_audio_sink func, fail quietly */
- return FALSE;
-}
-
-/* =========================================== */
-/* */
-/* Object typing & Creation */
-/* */
-/* =========================================== */
-
-GType
-gst_play_get_type (void)
-{
- static GType play_type = 0;
-
- if (!play_type)
- {
- static const GTypeInfo play_info = {
- sizeof (GstPlayClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) gst_play_class_init,
- NULL, NULL, sizeof (GstPlay),
- 0, (GInstanceInitFunc) gst_play_init,
- NULL
- };
-
- play_type =
- g_type_register_static (G_TYPE_OBJECT, "GstPlay", &play_info, 0);
- }
-
- return play_type;
-}
-
-
-GstPlay *
-gst_play_new (GstPlayPipeType pipe_type, GError ** error)
-{
- GstPlay *play;
-
- play = g_object_new (GST_TYPE_PLAY, NULL);
-
- /* FIXME: looks like only VIDEO ever gets used ! */
- switch (pipe_type)
- {
- case GST_PLAY_PIPE_VIDEO:
- play->setup_pipeline = gst_play_video_setup;
- play->teardown_pipeline = NULL;
- play->set_data_src = gst_play_video_set_data_src;
- play->set_autoplugger = gst_play_video_set_auto;
- play->set_video_sink = gst_play_video_set_video;
- play->set_audio_sink = gst_play_video_set_audio;
- break;
- case GST_PLAY_PIPE_VIDEO_VISUALISATION:
- play->setup_pipeline = gst_play_video_vis_setup;
- play->teardown_pipeline = NULL;
- play->set_data_src = gst_play_video_set_data_src;
- play->set_autoplugger = gst_play_video_set_auto;
- play->set_video_sink = gst_play_video_vis_set_video;
- play->set_audio_sink = gst_play_video_vis_set_audio;
- break;
- case GST_PLAY_PIPE_AUDIO:
- /* we can reuse the threaded set functions */
- play->setup_pipeline = gst_play_audio_setup;
- play->teardown_pipeline = NULL;
- play->set_data_src = gst_play_simple_set_data_src;
- play->set_autoplugger = gst_play_audiot_set_auto;
- play->set_video_sink = NULL;
- play->set_audio_sink = gst_play_audiot_set_audio;
- break;
- case GST_PLAY_PIPE_AUDIO_THREADED:
- play->setup_pipeline = gst_play_audiot_setup;
- play->teardown_pipeline = NULL;
- play->set_data_src = gst_play_simple_set_data_src;
- play->set_autoplugger = gst_play_audiot_set_auto;
- play->set_video_sink = NULL;
- play->set_audio_sink = gst_play_audiot_set_audio;
- break;
- case GST_PLAY_PIPE_AUDIO_HYPER_THREADED:
- play->setup_pipeline = gst_play_audioht_setup;
- play->teardown_pipeline = NULL;
- play->set_data_src = gst_play_simple_set_data_src;
- play->set_autoplugger = gst_play_audioht_set_auto;
- play->set_video_sink = NULL;
- play->set_audio_sink = gst_play_audioht_set_audio;
- break;
- default:
- g_warning ("unknown pipeline type: %d\n", pipe_type);
- }
-
- /* init pipeline */
- if ((play->setup_pipeline) && (!play->setup_pipeline (play, error)))
- {
- g_object_unref (play);
- return NULL;
- }
-
-
- if (play->pipeline)
- {
- /* connect to pipeline events */
- g_signal_connect (G_OBJECT (play->pipeline),
- "deep_notify",
- G_CALLBACK (callback_pipeline_deep_notify), play);
- g_signal_connect (G_OBJECT (play->pipeline),
- "state_change",
- G_CALLBACK (callback_pipeline_state_change), play);
- g_signal_connect (G_OBJECT (play->pipeline),
- "error", G_CALLBACK (callback_pipeline_error), play);
- }
-
- if (play->volume)
- {
- play->vol_dpman = gst_dpman_get_manager (play->volume);
- play->vol_dparam = gst_dpsmooth_new (G_TYPE_FLOAT);
-
- g_object_set (G_OBJECT (play->vol_dparam),
- "update_period", 2000000LL, NULL);
-
- g_object_set (G_OBJECT (play->vol_dparam),
- "slope_delta_float", 0.1F, NULL);
- g_object_set (G_OBJECT (play->vol_dparam),
- "slope_time", 10000000LL, NULL);
-
- if (!gst_dpman_attach_dparam (play->vol_dpman,
- "volume", play->vol_dparam))
- g_warning ("could not attach dparam to volume element\n");
-
- gst_dpman_set_mode (play->vol_dpman, "asynchronous");
- gst_play_set_volume (play, 0.9);
- }
-
- play->signal_queue = g_async_queue_new ();
-
- return play;
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 1999,2000,2001,2002 Erik Walthinsen <omega@cse.ogi.edu>
- * 2000,2001,2002 Wim Taymans <wtay@chello.be>
- * 2002 Steve Baker <steve@stevebaker.org>
- * 2003 Julien Moutte <julien@moutte.net>
- *
- * play.h: GstPlay object code
- *
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifndef __GSTPLAY_H__
-#define __GSTPLAY_H__
-
-#include <gst/gst.h>
-#include <gst/control/control.h>
-
-/*
- * GstPlay is a simple class for audio and video playback.
- * It's job is to get the media (supplied by a URI) played.
- * More specific it should get the media from source to the output elements.
- * How that is done should not be relevant for developers using this class.
- * A user using this class should not have to know very much about how
- * GStreamer works, other than that it plays back media.
- * Additionally it supplies signals to get information about the current
- * playing state.
- */
-
-typedef enum
-{
- GST_PLAY_OK,
- GST_PLAY_UNKNOWN_MEDIA,
- GST_PLAY_CANNOT_PLAY,
- GST_PLAY_ERROR,
-} GstPlayReturn;
-
-typedef enum
-{
- GST_PLAY_PIPE_AUDIO,
- GST_PLAY_PIPE_AUDIO_THREADED,
- GST_PLAY_PIPE_AUDIO_HYPER_THREADED,
- GST_PLAY_PIPE_VIDEO,
- GST_PLAY_PIPE_VIDEO_VISUALISATION,
-} GstPlayPipeType;
-
-typedef enum
-{
- GST_PLAY_ERROR_FAKESINK,
- GST_PLAY_ERROR_THREAD,
- GST_PLAY_ERROR_QUEUE,
- GST_PLAY_ERROR_GNOMEVFSSRC,
- GST_PLAY_ERROR_VOLUME,
- GST_PLAY_ERROR_COLORSPACE,
- GST_PLAY_ERROR_LAST,
-} GstPlayError;
-
-typedef enum
-{
- GST_PLAY_SINK_TYPE_AUDIO,
- GST_PLAY_SINK_TYPE_VIDEO,
- GST_PLAY_SINK_TYPE_ANY,
-} GstPlaySinkType;
-
-#define GST_PLAY_ERROR gst_play_error_quark ()
-
-#define GST_TYPE_PLAY (gst_play_get_type())
-#define GST_PLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PLAY, GstPlay))
-#define GST_PLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PLAY, GstPlayClass))
-#define GST_IS_PLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PLAY))
-#define GST_IS_PLAY_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PLAY))
-#define GST_PLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PLAY, GstPlayClass))
-
-typedef struct _GstPlay GstPlay;
-typedef struct _GstPlayClass GstPlayClass;
-typedef struct _GstPlayIdleData GstPlayIdleData;
-
-typedef guint (*GstPlayTimeoutAdd) (guint interval,
- GSourceFunc function, gpointer data);
-typedef guint (*GstPlayIdleAdd) (GSourceFunc function, gpointer data);
-
-struct _GstPlay
-{
- GObject parent;
-
- gboolean (*setup_pipeline) (GstPlay * play, GError ** error);
- void (*teardown_pipeline) (GstPlay * play);
- gboolean (*set_data_src) (GstPlay * play, GstElement * datasrc);
- gboolean (*set_autoplugger) (GstPlay * play, GstElement * autoplugger);
- gboolean (*set_video_sink) (GstPlay * play, GstElement * videosink);
- gboolean (*set_audio_sink) (GstPlay * play, GstElement * audiosink);
-
- /* core elements */
- GstElement *pipeline;
- GstElement *volume;
- GstElement *source;
- GstElement *autoplugger;
- GstElement *video_sink;
- GstElement *video_sink_element;
- GstElement *audio_sink;
- GstElement *audio_sink_element;
- GstElement *visualization_sink_element;
-
- GstDParamManager *vol_dpman;
- GstDParam *vol_dparam;
- GHashTable *other_elements;
-
- GstClock *clock;
-
- gboolean need_stream_length;
- gboolean need_seek;
- gint time_seconds;
- gint get_length_attempt;
- gint64 seek_time;
- gint64 time_nanos;
- gint64 length_nanos;
-
- GAsyncQueue *signal_queue;
-
- GstPlayTimeoutAdd timeout_add_func;
- GstPlayIdleAdd idle_add_func;
-
- gpointer _gst_reserved[GST_PADDING];
-};
-
-struct _GstPlayClass
-{
- GObjectClass parent_class;
-
- /* signals */
- void (*information) (GstPlay * play,
- GstObject * element, GParamSpec * param);
- void (*pipeline_error) (GstPlay * play, GstElement * element, char *error);
- void (*state_changed) (GstPlay * play,
- GstElementState old_state,
- GstElementState new_state);
- void (*stream_end) (GstPlay * play);
- void (*time_tick) (GstPlay * play, gint64 time_nanos);
- void (*stream_length) (GstPlay * play, gint64 length_nanos);
- void (*have_video_out) (GstPlay * play, gpointer video_out);
- void (*have_vis_video_out) (GstPlay * play, gpointer video_out);
- void (*have_video_size) (GstPlay * play, gint width, gint height);
- void (*have_vis_size) (GstPlay * play, gint width, gint height);
-
- gpointer _gst_reserved[GST_PADDING];
-};
-
-struct _GstPlayIdleData
-{
- GSourceFunc func;
- gpointer data;
-};
-
-
-void gst_play_seek_to_time (GstPlay * play, gint64 time_nanos);
-
-void gst_play_need_new_video_window (GstPlay * play);
-
-void
-gst_play_set_idle_timeout_funcs (GstPlay * play,
- GstPlayTimeoutAdd timeout_add_func,
- GstPlayIdleAdd idle_add_func);
-GstElement *gst_play_get_sink_element (GstPlay * play,
- GstElement * element,
- GstPlaySinkType sink_type);
-
-/* Set/Get state */
-
-GstElementStateReturn
-gst_play_set_state (GstPlay * play, GstElementState state);
-GstElementState gst_play_get_state (GstPlay * play);
-
-/* Set/Get location */
-
-gboolean gst_play_set_location (GstPlay * play, const gchar * location);
-gchar *gst_play_get_location (GstPlay * play);
-
-/* Set/Get volume */
-
-void gst_play_set_volume (GstPlay * play, gfloat volume);
-gfloat gst_play_get_volume (GstPlay * play);
-
-/* Set/Get mute */
-
-void gst_play_set_mute (GstPlay * play, gboolean mute);
-gboolean gst_play_get_mute (GstPlay * play);
-
-/* Set sinks and data src */
-
-gboolean gst_play_set_data_src (GstPlay * play, GstElement * data_src);
-gboolean gst_play_set_video_sink (GstPlay * play, GstElement * video_sink);
-gboolean
-gst_play_set_visualization_video_sink (GstPlay * play,
- GstElement * video_sink);
-gboolean gst_play_set_audio_sink (GstPlay * play, GstElement * audio_sink);
-
-gboolean
-gst_play_set_visualization_element (GstPlay * play, GstElement * element);
-
-gboolean gst_play_connect_visualization (GstPlay * play, gboolean connect);
-
-GType gst_play_get_type (void);
-
-GstPlay *gst_play_new (GstPlayPipeType pipe_type, GError ** error);
-
-#endif /* __GSTPLAY_H__ */
+++ /dev/null
-/* GStreamer
- * Copyright (C) 1999,2000,2001,2002 Erik Walthinsen <omega@cse.ogi.edu>
- * 2000,2001,2002 Wim Taymans <wtay@chello.be>
- * 2002 Steve Baker <steve@stevebaker.org>
- * 2003 Julien Moutte <julien@moutte.net>
- *
- * playpipelines.c: Set up pipelines for playback
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-static gboolean
-gst_play_default_set_data_src (GstPlay * play,
- GstElement * datasrc, GstElement * parent)
-{
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (datasrc != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (datasrc), FALSE);
-
- if (GST_IS_ELEMENT (play->source))
- {
- /* we need to remove the existing data
- source before creating a new one */
- if (GST_IS_ELEMENT (play->autoplugger))
- {
- gst_element_unlink (play->autoplugger, play->source);
- }
- gst_bin_remove (GST_BIN (parent), play->source);
- }
-
- play->source = datasrc;
- g_return_val_if_fail (play->source != NULL, FALSE);
-
- gst_bin_add (GST_BIN (parent), play->source);
- if (GST_IS_ELEMENT (play->autoplugger))
- {
- gst_element_link (play->autoplugger, play->source);
- }
- return TRUE;
-}
-
-/*
- * GST_PLAY_PIPE_AUDIO
- * gnomevfssrc ! spider ! volume ! osssink
- */
-
-static gboolean
-gst_play_audio_setup (GstPlay * play, GError ** error)
-{
-
- /* creating gst_bin */
- play->pipeline = gst_pipeline_new ("main_pipeline");
- g_return_val_if_fail (GST_IS_PIPELINE (play->pipeline), FALSE);
-
- /* create source element */
- play->source = gst_element_factory_make ("gnomevfssrc", "source");
- if (!play->source)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_GNOMEVFSSRC, error);
- return FALSE;
- }
-
- /* Adding element to bin */
- gst_bin_add (GST_BIN (play->pipeline), play->source);
-
- /* create audio elements */
- play->volume = gst_element_factory_make ("volume", "volume");
- if (!play->volume)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_VOLUME, error);
- return FALSE;
- }
-
- /* creating fake audio_sink */
- play->audio_sink = gst_element_factory_make ("fakesink", "fake_audio");
- if (play->audio_sink == NULL)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
- return FALSE;
- }
-
- gst_bin_add_many (GST_BIN (play->pipeline), play->volume,
- play->audio_sink, NULL);
-
- gst_element_link (play->volume, play->audio_sink);
-
- return TRUE;
-}
-
-static gboolean
-gst_play_simple_set_data_src (GstPlay * play, GstElement * datasrc)
-{
- return gst_play_default_set_data_src (play, datasrc, play->pipeline);
-}
-
-/*
- * GST_PLAY_PIPE_AUDIO_THREADED
- * { gnomevfssrc ! spider ! volume ! osssink }
- */
-
-static gboolean
-gst_play_audiot_setup (GstPlay * play, GError ** error)
-{
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
-
- /* creating gst_thread */
- play->pipeline = gst_thread_new ("main_pipeline");
- g_return_val_if_fail (GST_IS_THREAD (play->pipeline), FALSE);
-
- /* create source element */
- play->source = gst_element_factory_make ("gnomevfssrc", "source");
- if (!play->source)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_GNOMEVFSSRC, error);
- return FALSE;
- }
-
- /* Adding element to bin */
- gst_bin_add (GST_BIN (play->pipeline), play->source);
-
- /* create audio elements */
- play->volume = gst_element_factory_make ("volume", "volume");
- if (!play->volume)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_VOLUME, error);
- return FALSE;
- }
-
- /* creating fake audiosink */
- play->audio_sink = gst_element_factory_make ("fakesink", "fake_audio");
- if (play->audio_sink == NULL)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
- return FALSE;
- }
-
- gst_bin_add_many (GST_BIN (play->pipeline), play->volume,
- play->audio_sink, NULL);
-
- gst_element_link (play->volume, play->audio_sink);
-
- return TRUE;
-}
-
-
-static gboolean
-gst_play_audiot_set_audio (GstPlay * play, GstElement * audio_sink)
-{
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (audio_sink != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (audio_sink), FALSE);
-
- if (play->audio_sink)
- {
- gst_element_unlink (play->volume, play->audio_sink);
- gst_bin_remove (GST_BIN (play->pipeline), play->audio_sink);
- }
-
- play->audio_sink = audio_sink;
- gst_bin_add (GST_BIN (play->pipeline), play->audio_sink);
- gst_element_link (play->volume, play->audio_sink);
-
- play->audio_sink_element = gst_play_get_sink_element (play,
- audio_sink,
- GST_PLAY_SINK_TYPE_AUDIO);
-
- play->visualization_sink_element = gst_play_get_sink_element (play,
- audio_sink,
- GST_PLAY_SINK_TYPE_VIDEO);
-
- if (play->audio_sink_element != NULL)
- {
- g_signal_connect (G_OBJECT (play->audio_sink_element), "eos",
- G_CALLBACK (callback_audio_sink_eos), play);
- }
-
- return TRUE;
-}
-
-
-static gboolean
-gst_play_audiot_set_auto (GstPlay * play, GstElement * autoplugger)
-{
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (autoplugger != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (autoplugger), FALSE);
-
- if (play->autoplugger)
- {
- /* we need to remove the existing autoplugger
- before creating a new one */
- gst_element_unlink (play->autoplugger, play->volume);
- gst_element_unlink (play->autoplugger, play->source);
- gst_bin_remove (GST_BIN (play->pipeline), play->autoplugger);
- }
-
- play->autoplugger = autoplugger;
- g_return_val_if_fail (play->autoplugger != NULL, FALSE);
-
- gst_bin_add (GST_BIN (play->pipeline), play->autoplugger);
- gst_element_link (play->source, play->autoplugger);
- gst_element_link (play->autoplugger, play->volume);
- return TRUE;
-}
-
-/*
- * GST_PLAY_PIPE_AUDIO_HYPER_THREADED
- * { gnomevfssrc ! spider ! { queue ! volume ! osssink } }
- */
-
-static gboolean
-gst_play_audioht_setup (GstPlay * play, GError ** error)
-{
- GstElement *audio_thread, *audio_queue;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
-
-/*
- play->pipeline = gst_thread_new ("main_pipeline");
- g_return_val_if_fail (GST_IS_THREAD (play->pipeline), FALSE);
-*/
-
- /* creating pipeline */
- play->pipeline = gst_pipeline_new ("main_pipeline");
- g_return_val_if_fail (GST_IS_PIPELINE (play->pipeline), FALSE);
-
- /* create source element */
- play->source = gst_element_factory_make ("gnomevfssrc", "source");
- if (!play->source)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_GNOMEVFSSRC, error);
- return FALSE;
- }
-
- /* Adding element to bin */
- gst_bin_add (GST_BIN (play->pipeline), play->source);
-
- /* create audio thread */
- audio_thread = gst_thread_new ("audio_thread");
- g_return_val_if_fail (GST_IS_THREAD (audio_thread), FALSE);
-
- g_hash_table_insert (play->other_elements, "audio_thread", audio_thread);
-
- /* create audio queue */
- audio_queue = gst_element_factory_make ("queue", "audio_queue");
- if (!audio_queue)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
- return FALSE;
- }
-
- g_hash_table_insert (play->other_elements, "audio_queue", audio_queue);
-
- /* create source element */
- play->volume = gst_element_factory_make ("volume", "volume");
- if (!play->volume)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_VOLUME, error);
- return FALSE;
- }
-
- /* create audiosink. */
- play->audio_sink = gst_element_factory_make ("fakesink", "play_audio");
- if (play->audio_sink == NULL)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
- return FALSE;
- }
-
- gst_bin_add_many (GST_BIN (audio_thread), audio_queue, play->volume,
- play->audio_sink, NULL);
-
- gst_element_link_many (audio_queue, play->volume, play->audio_sink);
-
- gst_element_add_ghost_pad (audio_thread,
- gst_element_get_pad (audio_queue, "sink"),
- "sink");
-
- gst_bin_add (GST_BIN (play->pipeline), audio_thread);
-
- return TRUE;
-}
-
-
-static gboolean
-gst_play_audioht_set_audio (GstPlay * play, GstElement * audio_sink)
-{
- GstElement *audio_thread;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (audio_sink != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (audio_sink), FALSE);
-
- audio_thread = g_hash_table_lookup (play->other_elements, "audio_thread");
-
- if (play->audio_sink)
- {
- gst_element_unlink (play->volume, play->audio_sink);
- gst_bin_remove (GST_BIN (audio_thread), play->audio_sink);
- }
-
- play->audio_sink = audio_sink;
- gst_bin_add (GST_BIN (audio_thread), play->audio_sink);
- gst_element_link (play->volume, play->audio_sink);
-
- play->audio_sink_element = gst_play_get_sink_element (play,
- audio_sink,
- GST_PLAY_SINK_TYPE_AUDIO);
-
- play->visualization_sink_element = gst_play_get_sink_element (play,
- audio_sink,
- GST_PLAY_SINK_TYPE_VIDEO);
-
- if (play->audio_sink_element != NULL)
- {
- g_signal_connect (G_OBJECT (play->audio_sink_element), "eos",
- G_CALLBACK (callback_audio_sink_eos), play);
- }
-
- return TRUE;
-}
-
-
-static gboolean
-gst_play_audioht_set_auto (GstPlay * play, GstElement * autoplugger)
-{
- GstElement *audio_thread;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (autoplugger != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (autoplugger), FALSE);
-
- audio_thread = g_hash_table_lookup (play->other_elements, "audio_thread");
-
- if (play->autoplugger)
- {
- /* we need to remove the existing autoplugger
- before creating a new one */
- gst_element_unlink (play->autoplugger, audio_thread);
- gst_element_unlink (play->autoplugger, play->source);
- gst_bin_remove (GST_BIN (play->pipeline), play->autoplugger);
- }
-
- play->autoplugger = autoplugger;
- g_return_val_if_fail (play->autoplugger != NULL, FALSE);
-
- gst_bin_add (GST_BIN (play->pipeline), play->autoplugger);
- gst_element_link (play->source, play->autoplugger);
- gst_element_link (play->autoplugger, audio_thread);
- return TRUE;
-}
-
-/*
- * GST_PLAY_PIPE_VIDEO
- * { gnomevfssrc ! spider ! { queue ! volume ! (audiosink) }
- * spider0.src2 ! { queue ! colorspace ! (videosink) } }
- */
-
-static gboolean
-gst_play_video_setup (GstPlay * play, GError ** error)
-{
- GstElement *audio_bin, *audio_queue;
- GstElement *video_queue, *video_bin;
- GstElement *work_thread, *colorspace;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
-
- /* creating pipeline */
- play->pipeline = gst_pipeline_new ("main_pipeline");
- g_return_val_if_fail (GST_IS_PIPELINE (play->pipeline), FALSE);
-
- /* creating work thread */
- work_thread = gst_thread_new ("work_thread");
- g_return_val_if_fail (GST_IS_THREAD (work_thread), FALSE);
- g_hash_table_insert (play->other_elements, "work_thread", work_thread);
-
- gst_bin_add (GST_BIN (play->pipeline), work_thread);
-
- /* create source element */
- play->source = gst_element_factory_make ("gnomevfssrc", "source");
- if (!play->source)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_GNOMEVFSSRC, error);
- return FALSE;
- }
- gst_bin_add (GST_BIN (work_thread), play->source);
-
- /* creating volume element */
- play->volume = gst_element_factory_make ("volume", "volume");
- if (!play->volume)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_VOLUME, error);
- return FALSE;
- }
-
- /* creating audio_sink element */
- play->audio_sink = gst_element_factory_make ("fakesink", "fake_audio");
- if (!play->audio_sink)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
- return FALSE;
- }
- play->audio_sink_element = NULL;
-
- /* creating audio_queue element */
- audio_queue = gst_element_factory_make ("queue", "audio_queue");
- if (!audio_queue)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements, "audio_queue", audio_queue);
-
- /* creating audio thread */
- audio_bin = gst_thread_new ("audio_bin");
- if (!audio_bin)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_THREAD, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements, "audio_bin", audio_bin);
-
- /* adding all that stuff to bin */
- gst_bin_add_many (GST_BIN (audio_bin), audio_queue, play->volume,
- play->audio_sink, NULL);
- gst_element_link_many (audio_queue, play->volume, play->audio_sink, NULL);
-
- gst_element_add_ghost_pad (audio_bin,
- gst_element_get_pad (audio_queue, "sink"),
- "sink");
-
- gst_bin_add (GST_BIN (work_thread), audio_bin);
-
- /* create video elements */
- play->video_sink = gst_element_factory_make ("fakesink", "fake_show");
- if (!play->video_sink)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
- return FALSE;
- }
- play->video_sink_element = NULL;
-
- video_queue = gst_element_factory_make ("queue", "video_queue");
- if (!video_queue)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements, "video_queue", video_queue);
-
- colorspace = gst_element_factory_make ("colorspace", "colorspace");
- if (!colorspace)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_COLORSPACE, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements, "colorspace", colorspace);
-
- video_bin = gst_thread_new ("video_bin");
- if (!video_bin)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_THREAD, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements, "video_bin", video_bin);
-
- /* adding all that stuff to bin */
- gst_bin_add_many (GST_BIN (video_bin), video_queue, colorspace,
- play->video_sink, NULL);
-
- gst_element_link_many (video_queue, colorspace, play->video_sink, NULL);
-
- gst_element_add_ghost_pad (video_bin,
- gst_element_get_pad (video_queue, "sink"),
- "sink");
-
- gst_bin_add (GST_BIN (work_thread), video_bin);
-
- return TRUE;
-}
-
-static gboolean
-gst_play_video_set_data_src (GstPlay * play, GstElement * datasrc)
-{
- GstElement *work_thread;
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (datasrc != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (datasrc), FALSE);
-
- work_thread = g_hash_table_lookup (play->other_elements, "work_thread");
- return gst_play_default_set_data_src (play, datasrc, work_thread);
-}
-
-static gboolean
-gst_play_video_set_auto (GstPlay * play, GstElement * autoplugger)
-{
-
- GstElement *audio_bin, *video_bin, *work_thread;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (autoplugger != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (autoplugger), FALSE);
-
- audio_bin = g_hash_table_lookup (play->other_elements, "audio_bin");
- video_bin = g_hash_table_lookup (play->other_elements, "video_bin");
- work_thread = g_hash_table_lookup (play->other_elements, "work_thread");
-
- if (play->autoplugger)
- {
- /* we need to remove the existing autoplugger
- before creating a new one */
- gst_element_unlink (play->autoplugger, audio_bin);
- gst_element_unlink (play->autoplugger, play->source);
- gst_element_unlink (play->autoplugger, video_bin);
-
- gst_bin_remove (GST_BIN (work_thread), play->autoplugger);
- }
-
- play->autoplugger = autoplugger;
- g_return_val_if_fail (play->autoplugger != NULL, FALSE);
-
- gst_bin_add (GST_BIN (work_thread), play->autoplugger);
- gst_element_link (play->source, play->autoplugger);
- gst_element_link (play->autoplugger, audio_bin);
- gst_element_link (play->autoplugger, video_bin);
-
- return TRUE;
-}
-
-
-static gboolean
-gst_play_video_set_video (GstPlay * play, GstElement * video_sink)
-{
- GstElement *video_mate, *video_bin;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (video_sink != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (video_sink), FALSE);
-
- video_bin = g_hash_table_lookup (play->other_elements, "video_bin");
- video_mate = g_hash_table_lookup (play->other_elements, "colorspace");
-
- if (play->video_sink)
- {
- gst_element_unlink (video_mate, play->video_sink);
- gst_bin_remove (GST_BIN (video_bin), play->video_sink);
- }
- play->video_sink = video_sink;
- gst_bin_add (GST_BIN (video_bin), play->video_sink);
- gst_element_link (video_mate, play->video_sink);
-
- play->video_sink_element = gst_play_get_sink_element (play,
- video_sink,
- GST_PLAY_SINK_TYPE_VIDEO);
-
- if (play->video_sink_element != NULL)
- {
- g_signal_connect (G_OBJECT (play->video_sink_element),
- "have_video_out",
- G_CALLBACK (callback_video_have_video_out), play);
- g_signal_connect (G_OBJECT (play->video_sink_element),
- "have_size",
- G_CALLBACK (callback_video_have_size), play);
- g_object_set (G_OBJECT (play->video_sink_element),
- "need_new_window", TRUE, "toplevel", FALSE, NULL);
- }
- return TRUE;
-}
-
-
-static gboolean
-gst_play_video_set_audio (GstPlay * play, GstElement * audio_sink)
-{
- GstElement *audio_bin;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (audio_sink != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (audio_sink), FALSE);
-
- audio_bin = g_hash_table_lookup (play->other_elements, "audio_bin");
-
- if (play->audio_sink)
- {
- gst_element_unlink (play->volume, play->audio_sink);
- gst_bin_remove (GST_BIN (audio_bin), play->audio_sink);
- }
-
- play->audio_sink = audio_sink;
- gst_bin_add (GST_BIN (audio_bin), play->audio_sink);
- gst_element_link (play->volume, play->audio_sink);
-
- play->audio_sink_element = gst_play_get_sink_element (play,
- audio_sink,
- GST_PLAY_SINK_TYPE_AUDIO);
-
- play->visualization_sink_element = gst_play_get_sink_element (play,
- audio_sink,
- GST_PLAY_SINK_TYPE_VIDEO);
-
- if (play->audio_sink_element != NULL)
- {
- g_signal_connect (G_OBJECT (play->audio_sink_element), "eos",
- G_CALLBACK (callback_audio_sink_eos), play);
- }
-
- return TRUE;
-}
-
-/*
- * GST_PLAY_PIPE_VIDEO_VISUALISATION
- * { gnomevfssrc ! spider ! { queue ! volume ! (audiosink) }
- * spider0.src2 ! { queue ! colorspace ! (videosink) } }
- */
-
-static gboolean
-gst_play_video_vis_setup (GstPlay * play, GError ** error)
-{
-
- GstElement *work_thread, *tee_element;
- GstPad *tee_vis_pad, *tee_audio_pad;
- GstPad *audio_sink_pad, *vis_video_thread_pad;
- GstElement *vis_video_thread;
- GstElement *audio_queue, *audio_sink;
- GstElement *vis_colorspace, *vis_video_queue, *vis_video_sink;
- GstElement *video_queue, *video_bin, *colorspace;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
-
- /* creating pipeline */
- play->pipeline = gst_pipeline_new ("main_pipeline");
- g_return_val_if_fail (GST_IS_PIPELINE (play->pipeline), FALSE);
-
- /* creating work thread */
- work_thread = gst_thread_new ("work_thread");
- g_return_val_if_fail (GST_IS_THREAD (work_thread), FALSE);
- g_hash_table_insert (play->other_elements, "work_thread", work_thread);
-
- gst_bin_add (GST_BIN (play->pipeline), work_thread);
-
- /* create source element */
- play->source = gst_element_factory_make ("gnomevfssrc", "source");
- if (!play->source)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_GNOMEVFSSRC, error);
- return FALSE;
- }
- gst_bin_add (GST_BIN (work_thread), play->source);
-
- /* BEGIN VIS STUFF */
-
- /* Creating here the audio vis bin */
-
- play->audio_sink = gst_thread_new ("audio_thread");
- if (!play->audio_sink)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_THREAD, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements, "audio_bin", play->audio_sink);
-
- audio_queue = gst_element_factory_make ("queue", "audio_queue");
- if (!audio_queue)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements, "audio_queue", audio_queue);
-
- play->volume = gst_element_factory_make ("volume", "audio_volume");
- if (!play->volume)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_VOLUME, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements, "audio_volume", play->volume);
-
- tee_element = gst_element_factory_make ("tee", "audio_tee");
- g_return_val_if_fail (GST_IS_ELEMENT (tee_element), FALSE);
- g_hash_table_insert (play->other_elements, "vis_tee", play->audio_sink);
-
- tee_vis_pad = gst_element_get_request_pad (tee_element, "src%d");
- tee_audio_pad = gst_element_get_request_pad (tee_element, "src%d");
- g_hash_table_insert (play->other_elements, "tee_vis_pad", tee_vis_pad);
- g_hash_table_insert (play->other_elements, "tee_audio_pad", tee_audio_pad);
-
- audio_sink = gst_element_factory_make ("fakesink", "audio_sink");
- if (!audio_sink)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements, "audio_sink", audio_sink);
-
- audio_sink_pad = gst_element_get_pad (audio_sink, "sink");
- g_hash_table_insert (play->other_elements,
- "audio_sink_pad", audio_sink_pad);
-
- play->audio_sink_element = NULL;
-
-
- gst_bin_add_many (GST_BIN (play->audio_sink),
- audio_queue, play->volume, tee_element, audio_sink, NULL);
- gst_element_link_many (audio_queue, play->volume, tee_element, NULL);
-
- gst_pad_link (tee_audio_pad, audio_sink_pad);
-
- gst_element_add_ghost_pad (play->audio_sink,
- gst_element_get_pad (audio_queue, "sink"),
- "sink");
-
- /* Creating video part of the visualization bin
- { queue ! (visualization) ! colorspace ! (videosink) }
- */
-
- vis_video_thread = gst_thread_new ("vis_video_thread");
- if (!vis_video_thread)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_THREAD, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements,
- "vis_video_thread", vis_video_thread);
-
- vis_video_queue = gst_element_factory_make ("queue", "vis_video_queue");
- if (!vis_video_queue)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements,
- "vis_video_queue", vis_video_queue);
-
- vis_colorspace = gst_element_factory_make ("colorspace", "vis_colorspace");
- if (!vis_colorspace)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_COLORSPACE, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements,
- "vis_colorspace", vis_colorspace);
-
- vis_video_sink = gst_element_factory_make ("fakesink", "vis_video_sink");
- if (!vis_video_sink)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements,
- "vis_video_sink", vis_video_sink);
- play->video_sink_element = NULL;
-
- gst_bin_add_many (GST_BIN (vis_video_thread), vis_video_queue,
- vis_colorspace, vis_video_sink, NULL);
-
-
- vis_video_thread_pad = gst_element_add_ghost_pad (vis_video_thread,
- gst_element_get_pad
- (vis_video_queue, "sink"),
- "sink");
-
- g_hash_table_insert (play->other_elements,
- "vis_video_thread_pad", vis_video_thread_pad);
-
- gst_bin_add (GST_BIN (play->audio_sink), vis_video_thread);
-
- /* END VIS STUFF */
-
- gst_bin_add (GST_BIN (work_thread), play->audio_sink);
-
- /* create video elements */
- play->video_sink = gst_element_factory_make ("fakesink", "fake_show");
- if (!play->video_sink)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
- return FALSE;
- }
- play->video_sink_element = NULL;
-
- video_queue = gst_element_factory_make ("queue", "video_queue");
- if (!video_queue)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements, "video_queue", video_queue);
-
- colorspace = gst_element_factory_make ("colorspace", "colorspace");
- if (!colorspace)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_COLORSPACE, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements, "colorspace", colorspace);
-
- video_bin = gst_thread_new ("video_thread");
- if (!video_bin)
- {
- gst_play_error_plugin (GST_PLAY_ERROR_THREAD, error);
- return FALSE;
- }
- g_hash_table_insert (play->other_elements, "video_bin", video_bin);
-
- /* adding all that stuff to bin */
- gst_bin_add_many (GST_BIN (video_bin), video_queue, colorspace,
- play->video_sink, NULL);
-
- gst_element_link_many (video_queue, colorspace, play->video_sink, NULL);
-
- gst_element_add_ghost_pad (video_bin,
- gst_element_get_pad (video_queue, "sink"),
- "sink");
-
- gst_bin_add (GST_BIN (work_thread), video_bin);
-
- return TRUE;
-}
-
-static gboolean
-gst_play_video_vis_set_audio (GstPlay * play, GstElement * audio_sink)
-{
- GstElement *audio_bin, *vis_audio_sink;
- GstPad *audio_sink_pad, *tee_audio_pad;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (audio_sink != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (audio_sink), FALSE);
-
- audio_bin = g_hash_table_lookup (play->other_elements, "audio_bin");
- vis_audio_sink = g_hash_table_lookup (play->other_elements, "audio_sink");
- audio_sink_pad = g_hash_table_lookup (play->other_elements,
- "audio_sink_pad");
- tee_audio_pad = g_hash_table_lookup (play->other_elements, "tee_audio_pad");
-
- if ((vis_audio_sink) && GST_IS_ELEMENT (vis_audio_sink))
- {
- gst_pad_unlink (tee_audio_pad, audio_sink_pad);
- gst_bin_remove (GST_BIN (audio_bin), vis_audio_sink);
- }
-
- gst_bin_add (GST_BIN (audio_bin), audio_sink);
-
- audio_sink_pad = gst_element_get_pad (audio_sink, "sink");
-
- gst_pad_link (tee_audio_pad, audio_sink_pad);
-
- g_hash_table_replace (play->other_elements, "audio_sink", audio_sink);
-
- g_hash_table_replace (play->other_elements,
- "audio_sink_pad", audio_sink_pad);
-
- play->audio_sink_element = gst_play_get_sink_element (play,
- audio_sink,
- GST_PLAY_SINK_TYPE_AUDIO);
-
- if (play->audio_sink_element != NULL)
- {
- g_signal_connect (G_OBJECT (play->audio_sink_element), "eos",
- G_CALLBACK (callback_audio_sink_eos), play);
- }
-
- return TRUE;
-}
-
-static gboolean
-gst_play_video_vis_set_video (GstPlay * play, GstElement * video_sink)
-{
- GstElement *video_mate, *video_bin;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (video_sink != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (video_sink), FALSE);
-
- video_bin = g_hash_table_lookup (play->other_elements, "video_bin");
- video_mate = g_hash_table_lookup (play->other_elements, "colorspace");
-
- if (play->video_sink)
- {
- gst_element_unlink (video_mate, play->video_sink);
- gst_bin_remove (GST_BIN (video_bin), play->video_sink);
- }
- play->video_sink = video_sink;
- gst_bin_add (GST_BIN (video_bin), play->video_sink);
- gst_element_link (video_mate, play->video_sink);
-
- play->video_sink_element = gst_play_get_sink_element (play,
- video_sink,
- GST_PLAY_SINK_TYPE_VIDEO);
-
- if (play->video_sink_element != NULL)
- {
- g_signal_connect (G_OBJECT (play->video_sink_element),
- "have_video_out",
- G_CALLBACK (callback_video_have_video_out), play);
- g_signal_connect (G_OBJECT (play->video_sink_element),
- "have_size",
- G_CALLBACK (callback_video_have_size), play);
- g_object_set (G_OBJECT (play->video_sink_element),
- "need_new_window", TRUE, "toplevel", FALSE, NULL);
- }
- return TRUE;
-}
-
-/**
- * gst_play_set_visualization_video_sink:
- * @play: a #GstPlay.
- * @video_sink: a #GstElement.
- *
- * Set @video_sink as the visualization video sink element of @play.
- *
- * Returns: TRUE if call succeeded.
- */
-gboolean
-gst_play_set_visualization_video_sink (GstPlay * play,
- GstElement * video_sink)
-{
- GstElement *video_mate, *video_bin, *vis_video_sink;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (video_sink != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (video_sink), FALSE);
-
- video_bin = g_hash_table_lookup (play->other_elements, "vis_video_thread");
- video_mate = g_hash_table_lookup (play->other_elements, "vis_colorspace");
- vis_video_sink = g_hash_table_lookup (play->other_elements,
- "vis_video_sink");
-
- if (vis_video_sink)
- {
- gst_element_unlink (video_mate, vis_video_sink);
- gst_bin_remove (GST_BIN (video_bin), vis_video_sink);
- }
-
- gst_bin_add (GST_BIN (video_bin), video_sink);
- gst_element_link (video_mate, video_sink);
-
- g_hash_table_replace (play->other_elements, "vis_video_sink", video_sink);
-
- play->visualization_sink_element = gst_play_get_sink_element (play,
- video_sink,
- GST_PLAY_SINK_TYPE_VIDEO);
-
- if (play->visualization_sink_element != NULL)
- {
- g_signal_connect (G_OBJECT (play->visualization_sink_element),
- "have_video_out",
- G_CALLBACK (callback_video_have_vis_video_out), play);
- g_signal_connect (G_OBJECT (play->visualization_sink_element),
- "have_size",
- G_CALLBACK (callback_video_have_vis_size), play);
- g_object_set (G_OBJECT (play->visualization_sink_element),
- "need_new_window", TRUE, "toplevel", FALSE, NULL);
- }
- return TRUE;
-}
-
-/**
- * gst_play_set_visualization_element:
- * @play: a #GstPlay.
- * @element: a #GstElement.
- *
- * Set @video_sink as the video sink element of @play.
- *
- * Returns: TRUE if call succeeded.
- */
-gboolean
-gst_play_set_visualization_element (GstPlay * play, GstElement * element)
-{
- GstElement *video_queue, *video_colorspace;
- GstElement *vis_element, *vis_video_bin;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (element != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
-
- vis_video_bin = g_hash_table_lookup (play->other_elements,
- "vis_video_thread");
- video_queue = g_hash_table_lookup (play->other_elements, "vis_video_queue");
- video_colorspace = g_hash_table_lookup (play->other_elements,
- "vis_colorspace");
- vis_element = g_hash_table_lookup (play->other_elements, "vis_element");
- if (vis_element)
- {
- gst_element_unlink (video_queue, vis_element);
- gst_element_unlink (vis_element, video_colorspace);
- gst_bin_remove (GST_BIN (vis_video_bin), vis_element);
- }
-
- gst_bin_add (GST_BIN (vis_video_bin), element);
- gst_element_link_many (video_queue, element, video_colorspace, NULL);
-
- g_hash_table_replace (play->other_elements, "vis_element", element);
-
- return TRUE;
-}
-
-/**
- * gst_play_connect_visualization:
- * @play: a #GstPlay.
- * @connect: a #gboolean indicating wether or not
- * visualization should be connected.
- *
- * Connect or disconnect visualization bin in @play.
- *
- * Returns: TRUE if call succeeded.
- */
-gboolean
-gst_play_connect_visualization (GstPlay * play, gboolean connect)
-{
- GstPad *tee_vis_pad, *vis_video_thread_pad;
- GstElement *vis_video_thread;
- gboolean connected = FALSE, was_playing = FALSE;
-
- g_return_val_if_fail (play != NULL, FALSE);
- g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
-
- tee_vis_pad = g_hash_table_lookup (play->other_elements, "tee_vis_pad");
- vis_video_thread_pad = g_hash_table_lookup (play->other_elements,
- "vis_video_thread_pad");
- vis_video_thread = g_hash_table_lookup (play->other_elements,
- "vis_video_thread");
-
- /* If pipeline was playing we pause it and note that */
- if (gst_element_get_state (play->pipeline) == GST_STATE_PLAYING)
- {
- gst_element_set_state (play->pipeline, GST_STATE_PAUSED);
- was_playing = TRUE;
- }
-
- if (gst_pad_get_peer (vis_video_thread_pad) != NULL)
- connected = TRUE;
- else
- connected = FALSE;
-
- if ((connect) && (!connected))
- {
- gst_pad_link (tee_vis_pad, vis_video_thread_pad);
- }
- else if ((!connect) && (connected))
- {
- gst_pad_unlink (tee_vis_pad, vis_video_thread_pad);
- }
-
- /* Restore playing state if needed */
- if (GST_IS_ELEMENT (vis_video_thread) &&
- GST_IS_ELEMENT (play->pipeline) &&
- was_playing)
- {
- gst_element_set_state (play->pipeline, GST_STATE_PLAYING);
- }
-
- return TRUE;
-}
-
-/* modelines */
-/* vim:set ts=8:sw=8:noet */
projects / platform / upstream / gstreamer.git / commitdiff