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-rw-r--r--gst-libs/gst/play/play.c758
1 files changed, 0 insertions, 758 deletions
diff --git a/gst-libs/gst/play/play.c b/gst-libs/gst/play/play.c
deleted file mode 100644
index d41c69a8..00000000
--- a/gst-libs/gst/play/play.c
+++ /dev/null
@@ -1,758 +0,0 @@
-/* GStreamer
- * Copyright (C) 2003 Julien Moutte <julien@moutte.net>
- *
- * 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 <unistd.h>
-#include <gst/gst.h>
-#include <gst/gst-i18n-plugin.h>
-
-#include "play.h"
-
-#define TICK_INTERVAL_MSEC 200
-
-GST_DEBUG_CATEGORY_STATIC (play_debug);
-#define GST_CAT_DEFAULT play_debug
-
-enum
-{
- TIME_TICK,
- STREAM_LENGTH,
- HAVE_VIDEO_SIZE,
- LAST_SIGNAL
-};
-
-struct _GstPlayPrivate
-{
- /* progress indicators */
- guint64 time_nanos;
- guint64 length_nanos;
- gint get_length_attempt;
- guint tick_id;
-
- /* playbin object */
- GstElement *playbin;
-
- /* visualization */
- gboolean enable_vis;
- GstElement *vis_element;
-
- /* location */
- char *location;
-};
-
-static guint gst_play_signals[LAST_SIGNAL] = { 0 };
-
-static GstPipelineClass *parent_class = NULL;
-
-/* ======================================================= */
-/* */
-/* Private Methods */
-/* */
-/* ======================================================= */
-
-static void
-caps_set (GstPad * pad, GParamSpec * pspec, GstPlay * play)
-{
- const GstCaps *caps = GST_PAD_CAPS (pad);
- GstStructure *s = gst_caps_get_structure (caps, 0);
-
- if (s) {
- const GValue *par;
- gint w, h;
-
- /* get effective size */
- gst_structure_get_int (s, "width", &w);
- gst_structure_get_int (s, "height", &h);
- if ((par = gst_structure_get_value (s, "pixel-aspect-ratio"))) {
- gint num = gst_value_get_fraction_numerator (par),
- den = gst_value_get_fraction_denominator (par);
-
- if (num > den)
- w *= (gfloat) num / den;
- else
- h *= (gfloat) den / num;
- }
-
- g_signal_emit (play, gst_play_signals[HAVE_VIDEO_SIZE], 0, w, h);
- g_signal_handlers_disconnect_by_func (pad, caps_set, play);
- }
-}
-
-static void
-setup_size (GstPlay * play)
-{
- const GList *streaminfo = NULL;
- GstPad *pad = NULL;
-
- g_object_get (G_OBJECT (play->priv->playbin),
- "stream-info", &streaminfo, NULL);
-
- for (; streaminfo != NULL; streaminfo = streaminfo->next) {
- GObject *info = streaminfo->data;
- gint type;
- GParamSpec *pspec;
- GEnumValue *val;
-
- g_object_get (info, "type", &type, NULL);
- pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (info), "type");
- val = g_enum_get_value (G_PARAM_SPEC_ENUM (pspec)->enum_class, type);
-
- if (g_strrstr (val->value_name, "VIDEO")) {
- g_object_get (info, "object", &pad, NULL);
- pad = (GstPad *) GST_PAD_REALIZE (pad);
- break;
- }
- }
-
- if (pad) {
- /* handle explicit caps as well - they're set later */
- if (GST_PAD_CAPS (pad))
- caps_set (pad, NULL, play);
- else
- g_signal_connect (pad, "notify::caps", G_CALLBACK (caps_set), play);
- }
-}
-
-static gboolean
-gst_play_tick_callback (GstPlay * play)
-{
- GstFormat fmt = GST_FORMAT_TIME;
- gint64 value;
-
- /* check length/pos of stream */
- if (!GST_CLOCK_TIME_IS_VALID (play->priv->length_nanos) &&
- play->priv->get_length_attempt < 16) {
- if (gst_element_query (GST_ELEMENT (play->priv->playbin),
- GST_QUERY_TOTAL, &fmt, &value)) {
- play->priv->length_nanos = value;
- g_signal_emit (G_OBJECT (play), gst_play_signals[STREAM_LENGTH],
- 0, play->priv->length_nanos);
- }
- play->priv->get_length_attempt++;
- }
- if (gst_element_query (GST_ELEMENT (play->priv->playbin),
- GST_QUERY_POSITION, &fmt, &value)) {
- play->priv->time_nanos = value;
- g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK],
- 0, play->priv->time_nanos);
- }
-
- return TRUE;
-}
-
-/*
- * Virtual function.
- */
-
-static void
-gst_play_change_state (GstElement * element,
- GstElementState old, GstElementState new, gpointer data)
-{
- GstPlay *play = GST_PLAY (data);
- gint t = (old << 8) | new;
-
- /* now set up tickers */
- switch (t) {
- case GST_STATE_PAUSED_TO_PLAYING:
- play->priv->tick_id = g_timeout_add (TICK_INTERVAL_MSEC,
- (GSourceFunc) gst_play_tick_callback, play);
- break;
- case GST_STATE_PLAYING_TO_PAUSED:
- if (play->priv->tick_id != 0) {
- g_source_remove (play->priv->tick_id);
- play->priv->tick_id = 0;
- }
- break;
- case GST_STATE_PAUSED_TO_READY:
- play->priv->length_nanos = GST_CLOCK_TIME_NONE;
- play->priv->time_nanos = GST_CLOCK_TIME_NONE;
- play->priv->get_length_attempt = 0;
- break;
- case GST_STATE_READY_TO_PAUSED:
- setup_size (play);
- break;
- default:
- break;
- }
-}
-
-/* =========================================== */
-/* */
-/* Init & Dispose & Class init */
-/* */
-/* =========================================== */
-
-static void
-gst_play_dispose (GObject * object)
-{
- GstPlay *play = GST_PLAY (object);
-
- /* reset */
- gst_element_set_state (GST_ELEMENT (play), GST_STATE_NULL);
-
- /* no vis */
- if (play->priv->vis_element) {
- gst_object_unref (GST_OBJECT (play->priv->vis_element));
- play->priv->vis_element = NULL;
- }
-
- g_free (play->priv->location);
- play->priv->location = NULL;
-
- /* parent will clean up the rest */
- G_OBJECT_CLASS (parent_class)->dispose (object);
-}
-
-static void
-gst_play_init (GstPlay * play)
-{
- play->priv = g_new0 (GstPlayPrivate, 1);
-
- /* default */
- play->priv->length_nanos = GST_CLOCK_TIME_NONE;
- play->priv->time_nanos = GST_CLOCK_TIME_NONE;
- play->priv->tick_id = 0;
- play->priv->get_length_attempt = 0;
-
- play->priv->enable_vis = FALSE;
- play->priv->vis_element = NULL;
-
- play->priv->location = NULL;
-
- /* make playbin */
- play->priv->playbin = gst_element_factory_make ("playbin", "player");
- if (play->priv->playbin) {
- gst_bin_add (GST_BIN (play), play->priv->playbin);
- g_signal_connect (play->priv->playbin, "state-change",
- G_CALLBACK (gst_play_change_state), play);
- }
-}
-
-static void
-gst_play_class_init (GstPlayClass * klass)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
-
- parent_class = g_type_class_ref (GST_TYPE_PIPELINE);
-
- gobject_class->dispose = gst_play_dispose;
-
- 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_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_DEBUG_CATEGORY_INIT (play_debug, "GST_PLAY", 0, "GStreamer Play library");
-
- GST_DEBUG ("Play class initialized");
-}
-
-/* ======================================================= */
-/* */
-/* Public Methods */
-/* */
-/* ======================================================= */
-
-/**
- * gst_play_set_location:
- * @play: a #GstPlay.
- * @location: a const #char* 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 char *location)
-{
- char *uri;
-
- 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);
-
- /* cache */
- if (play->priv->location)
- g_free (play->priv->location);
- play->priv->location = g_strdup (location);
-
- /* get file */
- gst_element_set_state (play->priv->playbin, GST_STATE_READY);
- if (strchr (location, ':'))
- uri = g_strdup (location);
- else if (location[0] == '/')
- uri = g_strdup_printf ("file://%s", location);
- else {
- char cwd[256];
-
- getcwd (cwd, 255);
- uri = g_strdup_printf ("file://%s/%s", cwd, location);
- }
- g_object_set (play->priv->playbin, "uri", uri, NULL);
- g_free (uri);
-
- /* open */
- if (gst_element_set_state (play->priv->playbin,
- GST_STATE_PAUSED) != GST_STATE_SUCCESS) {
- return FALSE;
- }
-
- return TRUE;
-}
-
-/**
- * gst_play_get_location:
- * @play: a #GstPlay.
- *
- * Get current location of @play.
- *
- * Returns: a #char* pointer to current location.
- */
-
-char *
-gst_play_get_location (GstPlay * play)
-{
- g_return_val_if_fail (play != NULL, NULL);
- g_return_val_if_fail (GST_IS_PLAY (play), NULL);
-
- return g_strdup (play->priv->location);
-}
-
-/**
- * gst_play_seek_to_time:
- * @play: a #GstPlay.
- * @time_nanos: a #gint64 indicating a time position.
- *
- * Performs a seek on @play until @time_nanos.
- */
-
-/*
- * FIXME: use GstClockTime for 0.9
- */
-
-gboolean
-gst_play_seek_to_time (GstPlay * play, gint64 time_nanos)
-{
- return gst_element_seek (play->priv->playbin,
- GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH, time_nanos);
-}
-
-/**
- * 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)
-{
- /* deprecated - use URIs */
- 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_object_set (G_OBJECT (play->priv->playbin), "video-sink", video_sink, NULL);
-
- return TRUE;
-}
-
-/**
- * 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_object_set (G_OBJECT (play->priv->playbin), "audio-sink", audio_sink, NULL);
-
- return TRUE;
-}
-
-/**
- * gst_play_set_visualization:
- * @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 (GstPlay * play, GstElement * vis_element)
-{
- /* unset old */
- if (play->priv->vis_element) {
- gst_object_unref (GST_OBJECT (play->priv->vis_element));
- play->priv->vis_element = NULL;
- }
-
- /* set new */
- if (vis_element) {
- gst_object_ref (GST_OBJECT (vis_element));
- play->priv->vis_element = vis_element;
- }
-
- /* use */
- if (play->priv->vis_element && play->priv->enable_vis) {
- g_object_set (G_OBJECT (play->priv->playbin),
- "vis-plugin", vis_element, NULL);
- } else {
- g_object_set (G_OBJECT (play->priv->playbin), "vis-plugin", NULL, NULL);
- }
-
- 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)
-{
- play->priv->enable_vis = connect;
-
- /* use */
- if (play->priv->vis_element && play->priv->enable_vis) {
- g_object_set (G_OBJECT (play->priv->playbin),
- "vis-plugin", play->priv->vis_element, NULL);
- } else {
- g_object_set (G_OBJECT (play->priv->playbin), "vis-plugin", NULL, NULL);
- }
-
- return TRUE;
-}
-
-/**
- * gst_play_get_framerate:
- * @play: a #GstPlay.
- *
- * Get the video framerate from @play.
- *
- * Returns: a #gdouble indicating video framerate in frame per second.
- */
-
-gdouble
-gst_play_get_framerate (GstPlay * play)
-{
- const GList *streaminfo = NULL;
- const GstStructure *str = NULL;
- gdouble value;
-
- g_object_get (G_OBJECT (play->priv->playbin),
- "stream-info", &streaminfo, NULL);
-
- for (; streaminfo != NULL; streaminfo = streaminfo->next) {
- GObject *info = streaminfo->data;
- gint type;
- GParamSpec *pspec;
- GEnumValue *val;
-
- g_object_get (info, "type", &type, NULL);
- pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (info), "type");
- val = g_enum_get_value (G_PARAM_SPEC_ENUM (pspec)->enum_class, type);
-
- if (strstr (val->value_name, "VIDEO")) {
- const GstCaps *caps = NULL;
- GstPad *pad = NULL;
-
- g_object_get (info, "object", &pad, NULL);
- g_assert (GST_IS_PAD (pad));
- pad = (GstPad *) GST_PAD_REALIZE (pad);
- caps = GST_PAD_CAPS (pad);
- str = gst_caps_get_structure (caps, 0);
- break;
- }
- }
-
- if (!str)
- return 0.;
-
- gst_structure_get_double (str, "framerate", &value);
-
- return value;
-}
-
-/**
- * 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.
- */
-
-/*
- * (Ronald) what is this?
- */
-
-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 (GST_IS_PLAY (play), NULL);
- g_return_val_if_fail (GST_IS_ELEMENT (element), NULL);
-
- GST_DEBUG_OBJECT (play, "looking for sink element in %s",
- GST_ELEMENT_NAME (element));
-
- if (!GST_IS_BIN (element)) {
- /* since its not a bin, we'll assume this
- * element is a sink element */
- GST_DEBUG_OBJECT (play, "not a bin, returning %s as sink element",
- GST_ELEMENT_NAME (element));
- return element;
- }
-
- elements = (GList *) gst_bin_get_list (GST_BIN (element));
-
- /* traverse all elements looking for one without src pad */
-
- while (elements) {
- element = GST_ELEMENT (elements->data);
- GST_DEBUG_OBJECT (play, "looking at element %s",
- GST_ELEMENT_NAME (element));
-
- /* 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) {
- GST_DEBUG_OBJECT (play, "element %s has a src pad",
- GST_ELEMENT_NAME (element));
- has_src = TRUE;
- break;
- } else {
- /* If not a src pad checking caps */
- GstPad *pad;
- GstCaps *caps;
- GstStructure *structure;
- int i;
- gboolean has_video_cap = FALSE;
- gboolean has_audio_cap = FALSE;
-
- pad = GST_PAD (pads->data);
- caps = gst_pad_get_caps (pad);
- /* loop over all caps members to find mime types */
- for (i = 0; i < gst_caps_get_size (caps); ++i) {
- structure = gst_caps_get_structure (caps, i);
-
- GST_DEBUG_OBJECT (play,
- "looking at caps %d pad %s:%s on element %s with mime %s", i,
- GST_DEBUG_PAD_NAME (pad),
- GST_ELEMENT_NAME (element), gst_structure_get_name (structure));
-
- if (strcmp (gst_structure_get_name (structure),
- "audio/x-raw-int") == 0) {
- has_audio_cap = TRUE;
- }
-
- if (strcmp (gst_structure_get_name (structure),
- "video/x-raw-yuv") == 0 ||
- strcmp (gst_structure_get_name (structure),
- "video/x-raw-rgb") == 0) {
- has_video_cap = TRUE;
- }
- }
-
- gst_caps_free (caps);
-
- 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)) {
- GST_DEBUG_OBJECT (play, "found %s with src pad and correct type",
- GST_ELEMENT_NAME (element));
- return element;
- }
- }
-
- elements = g_list_next (elements);
- }
-
- /* we didn't find a sink element */
-
- return NULL;
-}
-
-/**
- * gst_play_get_all_by_interface:
- * @play: a #GstPlay.
- * @interface: an interface.
- *
- * Returns all elements that are used by @play implementing the given interface.
- *
- * Returns: a #GList of #GstElement implementing the interface.
- */
-
-GList *
-gst_play_get_all_by_interface (GstPlay * play, GType interface_type)
-{
- GstElement *videosink = NULL, *audiosink = NULL;
- GList *res = NULL;
-
- g_object_get (G_OBJECT (play->priv->playbin),
- "video-sink", &videosink, "audio-sink", &audiosink, NULL);
-
- /* ehw... */
- if (videosink && GST_IS_BIN (videosink)) {
- res = gst_bin_get_all_by_interface (GST_BIN (videosink), interface_type);
- }
- if (!res && audiosink && GST_IS_BIN (audiosink)) {
- res = gst_bin_get_all_by_interface (GST_BIN (audiosink), interface_type);
- }
-
- return res;
-}
-
-/**
- * gst_play_new:
- * @error: a pointer to a #GError, which will be filled in on error.
- *
- * Creates a new GstPlay object.
- *
- * Returns: a newly created #GstPlay, or NULL on error (the #GError
- * will be set accordingly).
- */
-
-GstPlay *
-gst_play_new (GError ** error)
-{
- GstPlay *play = g_object_new (GST_TYPE_PLAY, NULL);
-
- if (!play->priv->playbin) {
- g_set_error (error, 0, 0, _("Failed to create playbin object"));
- g_object_unref (G_OBJECT (play));
-
- return NULL;
- }
-
- return play;
-}
-
-/* =========================================== */
-/* */
-/* Object typing & Creation */
-/* */
-/* =========================================== */
-
-GType
-gst_play_get_type (void)
-{
- static GType play_type = 0;
-
- if (!play_type) {
- static const GTypeInfo play_info = {
- sizeof (GstPlayClass),
- NULL,
- NULL,
- (GClassInitFunc) gst_play_class_init,
- NULL,
- NULL,
- sizeof (GstPlay),
- 0,
- (GInstanceInitFunc) gst_play_init,
- NULL
- };
-
- play_type = g_type_register_static (GST_TYPE_PIPELINE, "GstPlay",
- &play_info, 0);
- }
-
- return play_type;
-}