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//
// banshee-player-video.c
//
// Author:
// Aaron Bockover <abockover@novell.com>
// Julien Moutte <julien@fluendo.com>
//
// Copyright (C) 2005-2008 Novell, Inc.
// Copyright (C) 2010 Fluendo S.A.
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#include "banshee-player-video.h"
// ---------------------------------------------------------------------------
// Private Functions
// ---------------------------------------------------------------------------
#if defined(GDK_WINDOWING_X11) || defined(GDK_WINDOWING_WIN32)
static gboolean
bp_video_find_video_overlay (BansheePlayer *player)
{
GstElement *video_sink = NULL;
GstElement *video_overlay;
GstVideoOverlay *previous_video_overlay;
gboolean found_video_overlay;
g_object_get (player->playbin, "video-sink", &video_sink, NULL);
g_mutex_lock (player->video_mutex);
previous_video_overlay = player->video_overlay;
if (video_sink == NULL) {
player->video_overlay = NULL;
if (previous_video_overlay != NULL) {
gst_object_unref (previous_video_overlay);
}
g_mutex_unlock (player->video_mutex);
return FALSE;
}
video_overlay = GST_IS_BIN (video_sink)
? gst_bin_get_by_interface (GST_BIN (video_sink), GST_TYPE_VIDEO_OVERLAY)
: video_sink;
player->video_overlay = GST_IS_VIDEO_OVERLAY (video_overlay) ? GST_VIDEO_OVERLAY (video_overlay) : NULL;
if (previous_video_overlay != NULL) {
gst_object_unref (previous_video_overlay);
}
#if !defined(GDK_WINDOWING_WIN32) // We can't rely on aspect ratio from dshowvideosink
if (player->video_overlay != NULL && g_object_class_find_property (
G_OBJECT_GET_CLASS (player->video_overlay), "force-aspect-ratio")) {
g_object_set (G_OBJECT (player->video_overlay), "force-aspect-ratio", TRUE, NULL);
}
#endif
if (player->video_overlay != NULL && g_object_class_find_property (
G_OBJECT_GET_CLASS (player->video_overlay), "handle-events")) {
g_object_set (G_OBJECT (player->video_overlay), "handle-events", FALSE, NULL);
}
gst_object_unref (video_sink);
found_video_overlay = (player->video_overlay != NULL) ? TRUE : FALSE;
g_mutex_unlock (player->video_mutex);
return found_video_overlay;
}
#endif /* GDK_WINDOWING_X11 || GDK_WINDOWING_WIN32 */
P_INVOKE int
bp_get_subtitle_count (BansheePlayer *player)
{
g_return_val_if_fail (IS_BANSHEE_PLAYER (player), 0);
int n_text;
g_object_get (G_OBJECT (player->playbin), "n-text", &n_text, NULL);
return n_text;
}
P_INVOKE void
bp_set_subtitle (BansheePlayer *player, int index)
{
g_return_if_fail (IS_BANSHEE_PLAYER (player));
int n_text = bp_get_subtitle_count (player);
if (n_text == 0 || index < -1 || index >= n_text)
return;
bp_debug ("[subtitle]: set subtitle to %d.", index);
gint flags;
g_object_get (G_OBJECT (player->playbin), "flags", &flags, NULL);
if (index == -1) {
flags &= ~(1 << 2);//GST_PLAY_FLAG_TEXT
g_object_set (G_OBJECT (player->playbin), "flags", flags, NULL);
} else {
flags |= (1 << 2);//GST_PLAY_FLAG_TEXT
g_object_set (G_OBJECT (player->playbin), "flags", flags, NULL);
g_object_set (G_OBJECT (player->playbin), "current-text", index, NULL);
}
}
static void
bp_video_sink_element_added (GstBin *videosink, GstElement *element, BansheePlayer *player)
{
g_return_if_fail (IS_BANSHEE_PLAYER (player));
#if defined(GDK_WINDOWING_X11) || defined(GDK_WINDOWING_WIN32)
bp_video_find_video_overlay (player);
#endif
}
static void
bp_video_bus_element_sync_message (GstBus *bus, GstMessage *message, BansheePlayer *player)
{
gboolean found_video_overlay;
g_return_if_fail (IS_BANSHEE_PLAYER (player));
#if defined(GDK_WINDOWING_X11) || defined(GDK_WINDOWING_WIN32)
if (!gst_is_video_overlay_prepare_window_handle_message (message)) {
return;
}
found_video_overlay = bp_video_find_video_overlay (player);
if (found_video_overlay) {
gst_video_overlay_set_window_handle (player->video_overlay, player->video_window_xid);
}
#endif
}
// ---------------------------------------------------------------------------
// Internal Functions
// ---------------------------------------------------------------------------
static void
cb_caps_set (GObject *obj, GParamSpec *pspec, BansheePlayer *p)
{
GstStructure * s = NULL;
GstCaps * caps = gst_pad_get_current_caps (GST_PAD (obj));
if (G_UNLIKELY (!caps)) {
return;
}
/* Get video decoder caps */
s = gst_caps_get_structure (caps, 0);
if (s) {
const GValue *par;
/* We need at least width/height and framerate */
if (!(gst_structure_get_fraction (s, "framerate", &p->fps_n, &p->fps_d) &&
gst_structure_get_int (s, "width", &p->width) && gst_structure_get_int (s, "height", &p->height))) {
return;
}
/* Get the PAR if available */
par = gst_structure_get_value (s, "pixel-aspect-ratio");
if (par) {
p->par_n = gst_value_get_fraction_numerator (par);
p->par_d = gst_value_get_fraction_denominator (par);
}
else { /* Square pixels */
p->par_n = 1;
p->par_d = 1;
}
/* Notify PlayerEngine if a callback was set */
if (p->video_geometry_notify_cb != NULL) {
p->video_geometry_notify_cb (p, p->width, p->height, p->fps_n, p->fps_d, p->par_n, p->par_d);
}
}
gst_caps_unref (caps);
}
void
_bp_parse_stream_info (BansheePlayer *player)
{
gint audios_streams, video_streams, text_streams;
GstPad *vpad = NULL;
g_object_get (G_OBJECT (player->playbin), "n-audio", &audios_streams,
"n-video", &video_streams, "n-text", &text_streams, NULL);
if (video_streams) {
gint i;
/* Try to obtain a video pad */
for (i = 0; i < video_streams && vpad == NULL; i++) {
g_signal_emit_by_name (player->playbin, "get-video-pad", i, &vpad);
}
}
if (G_LIKELY (vpad)) {
GstCaps *caps = gst_pad_get_current_caps (vpad);
if (G_LIKELY (caps)) {
cb_caps_set (G_OBJECT (vpad), NULL, player);
gst_caps_unref (caps);
}
g_signal_connect (vpad, "notify::caps", G_CALLBACK (cb_caps_set), player);
gst_object_unref (vpad);
}
}
void
_bp_video_pipeline_setup (BansheePlayer *player, GstBus *bus)
{
GstElement *videosink;
g_return_if_fail (IS_BANSHEE_PLAYER (player));
if (player->video_pipeline_setup_cb != NULL) {
videosink = player->video_pipeline_setup_cb (player, bus);
if (videosink != NULL && GST_IS_ELEMENT (videosink)) {
g_object_set (G_OBJECT (player->playbin), "video-sink", videosink, NULL);
player->video_display_context_type = BP_VIDEO_DISPLAY_CONTEXT_CUSTOM;
return;
}
}
#if defined(GDK_WINDOWING_X11) || defined(GDK_WINDOWING_WIN32)
player->video_display_context_type = BP_VIDEO_DISPLAY_CONTEXT_GDK_WINDOW;
videosink = gst_element_factory_make ("autovideosink", "videosink");
if (videosink == NULL) {
player->video_display_context_type = BP_VIDEO_DISPLAY_CONTEXT_UNSUPPORTED;
videosink = gst_element_factory_make ("fakesink", "videosink");
if (videosink != NULL) {
g_object_set (G_OBJECT (videosink), "sync", TRUE, NULL);
}
}
g_object_set (G_OBJECT (player->playbin), "video-sink", videosink, NULL);
gst_bus_set_sync_handler (bus, gst_bus_sync_signal_handler, player, NULL);
g_signal_connect (bus, "sync-message::element", G_CALLBACK (bp_video_bus_element_sync_message), player);
if (GST_IS_BIN (videosink)) {
g_signal_connect (videosink, "element-added", G_CALLBACK (bp_video_sink_element_added), player);
}
#else
player->video_display_context_type = BP_VIDEO_DISPLAY_CONTEXT_UNSUPPORTED;
#ifndef WIN32
videosink = gst_element_factory_make ("fakesink", "videosink");
if (videosink != NULL) {
g_object_set (G_OBJECT (videosink), "sync", TRUE, NULL);
}
g_object_set (G_OBJECT (player->playbin), "video-sink", videosink, NULL);
#endif
#endif
if (player->video_prepare_window_cb != NULL) {
player->video_prepare_window_cb (player);
}
}
P_INVOKE void
bp_set_video_pipeline_setup_callback (BansheePlayer *player, BansheePlayerVideoPipelineSetupCallback cb)
{
SET_CALLBACK (video_pipeline_setup_cb);
}
P_INVOKE void
bp_set_video_geometry_notify_callback (BansheePlayer *player, BansheePlayerVideoGeometryNotifyCallback cb)
{
SET_CALLBACK (video_geometry_notify_cb);
}
P_INVOKE void
bp_set_video_prepare_window_callback (BansheePlayer *player, BansheePlayerVideoPrepareWindowCallback cb)
{
SET_CALLBACK (video_prepare_window_cb);
}
// ---------------------------------------------------------------------------
// Public Functions
// ---------------------------------------------------------------------------
#if defined(GDK_WINDOWING_X11) || defined(GDK_WINDOWING_WIN32)
P_INVOKE BpVideoDisplayContextType
bp_video_get_display_context_type (BansheePlayer *player)
{
return player->video_display_context_type;
}
P_INVOKE void
bp_video_set_display_context (BansheePlayer *player, gpointer context)
{
g_return_if_fail (IS_BANSHEE_PLAYER (player));
if (bp_video_get_display_context_type (player) == BP_VIDEO_DISPLAY_CONTEXT_GDK_WINDOW) {
player->video_window = (GdkWindow *)context;
}
}
P_INVOKE gpointer
bp_video_get_display_context (BansheePlayer *player)
{
g_return_val_if_fail (IS_BANSHEE_PLAYER (player), NULL);
if (bp_video_get_display_context_type (player) == BP_VIDEO_DISPLAY_CONTEXT_GDK_WINDOW) {
return player->video_window;
}
return NULL;
}
P_INVOKE void
bp_video_window_expose (BansheePlayer *player, GdkWindow *window, gboolean direct)
{
g_return_if_fail (IS_BANSHEE_PLAYER (player));
if (direct && player->video_overlay != NULL && GST_IS_VIDEO_OVERLAY (player->video_overlay)) {
gst_video_overlay_expose (player->video_overlay);
return;
}
if (player->video_overlay == NULL && !bp_video_find_video_overlay (player)) {
return;
}
gst_object_ref (player->video_overlay);
gst_video_overlay_set_window_handle (player->video_overlay, player->video_window_xid);
gst_video_overlay_expose (player->video_overlay);
gst_object_unref (player->video_overlay);
}
// MUST be called from the GTK main thread; calling it in OnRealized will do the right thing.
P_INVOKE void
bp_video_window_realize (BansheePlayer *player, GdkWindow *window)
{
g_return_if_fail (IS_BANSHEE_PLAYER (player));
// Code commented out - this requires including gtk/gtk.h for GTK_CHECK_VERSION, which requires too many
// buildsystem changes for the benefit of a single debug message in the failure case.
//
//#if GTK_CHECK_VERSION(2,18,0)
// //Explicitly create the native window. GDK_WINDOW_XWINDOW will call this
// //function anyway, but this way we can raise a more useful message should it fail.
// if (!gdk_window_ensure_native (window)) {
// banshee_log (BANSHEE_LOG_TYPE_ERROR, "player-video", "Couldn't create native window needed for GstVideoOverlay!");
// }
//#endif
#if defined(GDK_WINDOWING_X11)
player->video_window_xid = GDK_WINDOW_XID (window);
#elif defined (GDK_WINDOWING_WIN32)
player->video_window_xid = GDK_WINDOW_HWND (window);
#endif
}
#else /* GDK_WINDOWING_X11 || GDK_WINDOWING_WIN32 */
P_INVOKE BpVideoDisplayContextType
bp_video_get_display_context_type (BansheePlayer *player)
{
return player->video_display_context_type;
}
P_INVOKE void
bp_video_set_display_context (BansheePlayer *player, gpointer context)
{
}
P_INVOKE gpointer
bp_video_get_display_context (BansheePlayer *player)
{
return NULL;
}
P_INVOKE void
bp_video_window_expose (BansheePlayer *player, GdkWindow *window, gboolean direct)
{
}
#endif /* GDK_WINDOWING_X11 || GDK_WINDOWING_WIN32 */
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