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Adding my work in progress rewrite from scratch of libgstplay.
Original commit message from CVS: Adding my work in progress rewrite from scratch of libgstplay.
This commit is contained in:
Julien Moutte
parent
9bda5831b8
commit
dbe874d5a0
4 changed files with 1030 additions and 0 deletions
439
gst-libs/gst/play/gstplay.c
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439
gst-libs/gst/play/gstplay.c
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/* GStreamer
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* Copyright (C) 2003 Julien Moutte <julien@moutte.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstplay.h"
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#include <gst/xoverlay/xoverlay.h>
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#include <gst/navigation/navigation.h>
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#include <gst/mixer/mixer.h>
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enum
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{
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TIME_TICK,
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STREAM_LENGTH,
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HAVE_VIDEO_SIZE,
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LAST_SIGNAL
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};
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static guint gst_play_signals[LAST_SIGNAL] = { 0 };
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static GstPipelineClass *parent_class = NULL;
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/* ======================================================= */
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/* */
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/* Private Methods */
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/* */
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/* ======================================================= */
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static gboolean
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gst_play_pipeline_setup (GstPlay *play)
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{
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GstElement *work_thread, *video_thread;
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GstElement *video_queue, *video_colorspace, *video_scaler, *video_sink;
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GstElement *audio_thread, *audio_queue, *audio_volume, *audio_sink;
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GstElement *audio_tee, *vis_thread, *vis_queue;
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GstPad *audio_tee_pad1, *audio_tee_pad2, *vis_thread_pad, *audio_sink_pad;
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g_return_val_if_fail (play != NULL, FALSE);
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g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
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work_thread = gst_thread_new ("work_thread");
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if (!GST_IS_THREAD (work_thread))
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return FALSE;
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g_hash_table_insert (play->elements, "work_thread", work_thread);
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gst_bin_add (GST_BIN (play), work_thread);
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/* Creating our video output bin
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{ queue ! colorspace ! videoscale ! fakesink } */
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video_thread = gst_thread_new ("video_thread");
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if (!GST_IS_THREAD (video_thread))
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return FALSE;
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g_hash_table_insert (play->elements, "video_thread", video_thread);
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gst_bin_add (GST_BIN (work_thread), video_thread);
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/* Buffer queue for our video thread */
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video_queue = gst_element_factory_make ("queue", "video_queue");
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if (!GST_IS_ELEMENT (video_queue))
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return FALSE;
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g_hash_table_insert (play->elements, "video_queue", video_queue);
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/* Colorspace conversion */
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/* FIXME: Use ffcolorspace and fallback to Hermes on failure ?*/
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video_colorspace = gst_element_factory_make ("colorspace",
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"video_colorspace");
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if (!GST_IS_ELEMENT (video_colorspace))
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return FALSE;
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g_hash_table_insert (play->elements, "video_colorspace",
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video_colorspace);
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/* Software scaling of video stream */
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video_scaler = gst_element_factory_make ("videoscale", "video_scaler");
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if (!GST_IS_ELEMENT (video_scaler))
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return FALSE;
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g_hash_table_insert (play->elements, "video_scaler", video_scaler);
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/* Placeholder for future video sink bin */
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video_sink = gst_element_factory_make ("fakesink", "video_sink");
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if (!GST_IS_ELEMENT (video_sink))
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return FALSE;
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g_hash_table_insert (play->elements, "video_sink", video_sink);
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/* Linking, Adding, Ghosting */
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gst_element_link_many (video_queue, video_colorspace,
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video_scaler, video_sink, NULL);
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gst_bin_add_many (GST_BIN (video_thread), video_queue, video_colorspace,
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video_scaler, video_sink, NULL);
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gst_element_add_ghost_pad (video_thread,
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gst_element_get_pad (video_queue, "sink"),
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"sink");
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/* Creating our audio output bin
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{ queue ! volume ! tee ! { queue ! goom } ! fakesink } */
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audio_thread = gst_thread_new ("audio_thread");
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if (!GST_IS_THREAD (audio_thread))
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return FALSE;
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g_hash_table_insert (play->elements, "audio_thread", audio_thread);
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gst_bin_add (GST_BIN (work_thread), audio_thread);
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/* Buffer queue for our audio thread */
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audio_queue = gst_element_factory_make ("queue", "audio_queue");
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if (!GST_IS_ELEMENT (audio_queue))
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return FALSE;
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g_hash_table_insert (play->elements, "audio_queue", audio_queue);
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/* Volume control */
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audio_volume = gst_element_factory_make ("volume", "audio_volume");
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if (!GST_IS_ELEMENT (audio_volume))
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return FALSE;
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g_hash_table_insert (play->elements, "audio_volume", audio_volume);
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/* Duplicate audio signal to sink and visualization thread */
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audio_tee = gst_element_factory_make ("tee", "audio_tee");
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if (!GST_IS_ELEMENT (audio_tee))
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return FALSE;
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audio_tee_pad1 = gst_element_get_request_pad (audio_tee, "src%d");
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audio_tee_pad2 = gst_element_get_request_pad (audio_tee, "src%d");
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g_hash_table_insert (play->elements, "audio_tee_pad1", audio_tee_pad1);
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g_hash_table_insert (play->elements, "audio_tee_pad2", audio_tee_pad2);
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g_hash_table_insert (play->elements, "audio_tee", audio_tee);
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/* Placeholder for future audio sink bin */
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audio_sink = gst_element_factory_make ("fakesink", "audio_sink");
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if (!GST_IS_ELEMENT (audio_sink))
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return FALSE;
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audio_sink_pad = gst_element_get_pad (audio_sink, "sink");
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g_hash_table_insert (play->elements, "audio_sink_pad", audio_sink_pad);
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g_hash_table_insert (play->elements, "audio_sink", audio_sink);
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/* Visualization thread */
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vis_thread = gst_thread_new ("vis_thread");
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if (!GST_IS_THREAD (vis_thread))
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return FALSE;
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g_hash_table_insert (play->elements, "vis_thread", vis_thread);
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/* Buffer queue for our visualization thread */
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vis_queue = gst_element_factory_make ("queue", "vis_queue");
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if (!GST_IS_ELEMENT (vis_queue))
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return FALSE;
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g_hash_table_insert (play->elements, "vis_queue", vis_queue);
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/* Adding, Ghosting in visualization */
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gst_bin_add (GST_BIN (vis_thread), vis_queue);
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vis_thread_pad = gst_element_add_ghost_pad (vis_thread,
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gst_element_get_pad (vis_queue, "sink"),
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"sink");
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g_hash_table_insert (play->elements, "vis_thread_pad", vis_thread_pad);
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/* Linking, Adding, Ghosting in audio */
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gst_element_link_many (audio_queue, audio_volume, audio_tee, NULL);
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gst_pad_link (audio_tee_pad1, audio_sink_pad);
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gst_bin_add_many (GST_BIN (audio_thread), audio_queue, audio_volume,
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audio_tee, vis_thread, audio_sink);
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gst_element_add_ghost_pad (audio_thread,
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gst_element_get_pad (audio_queue, "sink"),
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"sink");
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return TRUE;
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}
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/* =========================================== */
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/* */
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/* Interfaces */
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/* */
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/* =========================================== */
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static gboolean
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gst_play_interface_supported (GstInterface *iface, GType type)
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{
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g_assert (type == GST_TYPE_NAVIGATION ||
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type == GST_TYPE_X_OVERLAY ||
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type == GST_TYPE_MIXER);
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return TRUE;
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}
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static void
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gst_play_interface_init (GstInterfaceClass *klass)
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{
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klass->supported = gst_play_interface_supported;
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}
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static void
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gst_play_navigation_send_event (GstNavigation *navigation,
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GstStructure *structure)
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{
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}
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static void
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gst_play_navigation_init (GstNavigationInterface *iface)
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{
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iface->send_event = gst_play_navigation_send_event;
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}
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static void
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gst_play_set_xwindow_id (GstXOverlay *overlay, XID xwindow_id)
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{
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}
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static void
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gst_play_xoverlay_init (GstXOverlayClass *iface)
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{
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iface->set_xwindow_id = gst_play_set_xwindow_id;
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}
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static void
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gst_play_mixer_init (GstMixerClass *klass)
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{
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klass->list_tracks = NULL;
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klass->set_volume = NULL;
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klass->get_volume = NULL;
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klass->set_mute = NULL;
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klass->set_record = NULL;
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}
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/* =========================================== */
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/* */
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/* Init & Dispose & Class init */
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/* */
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/* =========================================== */
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static void
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gst_play_dispose (GObject *object)
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{
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GstPlay *play;
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g_return_if_fail (object != NULL);
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g_return_if_fail (GST_IS_PLAY (object));
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play = GST_PLAY (object);
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if (play->location)
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{
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g_free (play->location);
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play->location = NULL;
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}
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if (play->elements)
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{
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g_hash_table_destroy (play->elements);
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play->elements = NULL;
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}
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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gst_play_init (GstPlay *play)
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{
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play->location = NULL;
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play->elements = g_hash_table_new (g_str_hash, g_str_equal);
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if (!gst_play_pipeline_setup (play))
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g_warning ("libgstplay: failed initializing pipeline");
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}
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static void
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gst_play_class_init (GstPlayClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->dispose = gst_play_dispose;
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gst_play_signals[TIME_TICK] =
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g_signal_new ("time_tick", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GstPlayClass, time_tick), NULL, NULL,
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gst_marshal_VOID__INT64, G_TYPE_NONE, 1, G_TYPE_INT64);
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gst_play_signals[STREAM_LENGTH] =
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g_signal_new ("stream_length", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GstPlayClass, stream_length), NULL, NULL,
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gst_marshal_VOID__INT64, G_TYPE_NONE, 1, G_TYPE_INT64);
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gst_play_signals[HAVE_VIDEO_SIZE] =
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g_signal_new ("have_video_size", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GstPlayClass, have_video_size), NULL, NULL,
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gst_marshal_VOID__INT_INT, G_TYPE_NONE, 2,
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G_TYPE_INT, G_TYPE_INT);
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}
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/* ======================================================= */
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/* */
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/* Public Methods */
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/* */
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/* ======================================================= */
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/**
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* gst_play_set_location:
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* @play: a #GstPlay.
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* @location: a const #char* indicating location to play
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*
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* Set location of @play to @location.
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*
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* Returns: TRUE if location was set successfully.
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*/
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gboolean
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gst_play_set_location (GstPlay *play, const char *location)
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{
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g_return_val_if_fail (play != NULL, FALSE);
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g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
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if (play->location)
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g_free (play->location);
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play->location = g_strdup (location);
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if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY)
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gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY);
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return TRUE;
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}
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/**
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* gst_play_get_location:
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* @play: a #GstPlay.
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*
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* Get current location of @play.
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*
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* Returns: a const #char* pointer to current location.
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*/
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char *
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gst_play_get_location (GstPlay *play)
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{
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g_return_val_if_fail (play != NULL, NULL);
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g_return_val_if_fail (GST_IS_PLAY (play), NULL);
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return g_strdup (play->location);
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}
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/**
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* gst_play_seek_to_time:
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* @play: a #GstPlay.
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* @time_nanos: a #gint64 indicating a time position.
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*
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* Performs a seek on @play until @time_nanos.
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*/
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gboolean
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gst_play_seek_to_time (GstPlay * play, gint64 time_nanos)
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{
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||||||
|
g_return_val_if_fail (play != NULL, FALSE);
|
||||||
|
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* =========================================== */
|
||||||
|
/* */
|
||||||
|
/* 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
|
||||||
|
};
|
||||||
|
static const GInterfaceInfo iface_info = {
|
||||||
|
(GInterfaceInitFunc) gst_play_interface_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
static const GInterfaceInfo navigation_info = {
|
||||||
|
(GInterfaceInitFunc) gst_play_navigation_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
static const GInterfaceInfo overlay_info = {
|
||||||
|
(GInterfaceInitFunc) gst_play_xoverlay_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
static const GInterfaceInfo mixer_info = {
|
||||||
|
(GInterfaceInitFunc) gst_play_mixer_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
|
||||||
|
play_type = g_type_register_static (GST_TYPE_PIPELINE, "GstPlay",
|
||||||
|
&play_info, 0);
|
||||||
|
|
||||||
|
g_type_add_interface_static (play_type, GST_TYPE_INTERFACE,
|
||||||
|
&iface_info);
|
||||||
|
g_type_add_interface_static (play_type, GST_TYPE_NAVIGATION,
|
||||||
|
&navigation_info);
|
||||||
|
g_type_add_interface_static (play_type, GST_TYPE_X_OVERLAY,
|
||||||
|
&overlay_info);
|
||||||
|
g_type_add_interface_static (play_type, GST_TYPE_MIXER,
|
||||||
|
&mixer_info);
|
||||||
|
}
|
||||||
|
|
||||||
|
return play_type;
|
||||||
|
}
|
||||||
76
gst-libs/gst/play/gstplay.h
Normal file
76
gst-libs/gst/play/gstplay.h
Normal file
|
|
@ -0,0 +1,76 @@
|
||||||
|
/* 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __GST_PLAY_H__
|
||||||
|
#define __GST_PLAY_H__
|
||||||
|
|
||||||
|
#include <gst/gstpipeline.h>
|
||||||
|
|
||||||
|
#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;
|
||||||
|
|
||||||
|
struct _GstPlay
|
||||||
|
{
|
||||||
|
GstPipeline pipeline;
|
||||||
|
|
||||||
|
char *location;
|
||||||
|
|
||||||
|
GHashTable *elements;
|
||||||
|
|
||||||
|
GST_OBJECT_PADDING
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstPlayClass
|
||||||
|
{
|
||||||
|
GstPipelineClass parent_class;
|
||||||
|
|
||||||
|
void (*time_tick) (GstPlay *play, gint64 time_nanos);
|
||||||
|
void (*stream_length) (GstPlay *play, gint64 length_nanos);
|
||||||
|
void (*have_video_size) (GstPlay *play, gint width, gint height);
|
||||||
|
|
||||||
|
GST_CLASS_PADDING
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gst_play_get_type (void);
|
||||||
|
|
||||||
|
gboolean gst_play_set_video_sink (GstPlay *play,
|
||||||
|
GstElement *video_sink);
|
||||||
|
gboolean gst_play_set_audio_sink (GstPlay *play,
|
||||||
|
GstElement *audio_sink);
|
||||||
|
|
||||||
|
gboolean gst_play_set_visualization (GstPlay *play,
|
||||||
|
GstElement *element);
|
||||||
|
gboolean gst_play_connect_visualization (GstPlay *play,
|
||||||
|
gboolean connect);
|
||||||
|
|
||||||
|
gboolean gst_play_set_location (GstPlay *play,
|
||||||
|
const char *location);
|
||||||
|
char * gst_play_get_location (GstPlay *play);
|
||||||
|
|
||||||
|
gboolean gst_play_seek_to_time (GstPlay *play,
|
||||||
|
gint64 time_nanos);
|
||||||
|
|
||||||
|
#endif /* __GST_PLAY_H__ */
|
||||||
439
gst-libs/gst/play/play.c
Normal file
439
gst-libs/gst/play/play.c
Normal file
|
|
@ -0,0 +1,439 @@
|
||||||
|
/* 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 "gstplay.h"
|
||||||
|
|
||||||
|
#include <gst/xoverlay/xoverlay.h>
|
||||||
|
#include <gst/navigation/navigation.h>
|
||||||
|
#include <gst/mixer/mixer.h>
|
||||||
|
|
||||||
|
enum
|
||||||
|
{
|
||||||
|
TIME_TICK,
|
||||||
|
STREAM_LENGTH,
|
||||||
|
HAVE_VIDEO_SIZE,
|
||||||
|
LAST_SIGNAL
|
||||||
|
};
|
||||||
|
|
||||||
|
static guint gst_play_signals[LAST_SIGNAL] = { 0 };
|
||||||
|
|
||||||
|
static GstPipelineClass *parent_class = NULL;
|
||||||
|
|
||||||
|
/* ======================================================= */
|
||||||
|
/* */
|
||||||
|
/* Private Methods */
|
||||||
|
/* */
|
||||||
|
/* ======================================================= */
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_play_pipeline_setup (GstPlay *play)
|
||||||
|
{
|
||||||
|
GstElement *work_thread, *video_thread;
|
||||||
|
GstElement *video_queue, *video_colorspace, *video_scaler, *video_sink;
|
||||||
|
GstElement *audio_thread, *audio_queue, *audio_volume, *audio_sink;
|
||||||
|
GstElement *audio_tee, *vis_thread, *vis_queue;
|
||||||
|
GstPad *audio_tee_pad1, *audio_tee_pad2, *vis_thread_pad, *audio_sink_pad;
|
||||||
|
|
||||||
|
g_return_val_if_fail (play != NULL, FALSE);
|
||||||
|
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
|
||||||
|
|
||||||
|
work_thread = gst_thread_new ("work_thread");
|
||||||
|
if (!GST_IS_THREAD (work_thread))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
g_hash_table_insert (play->elements, "work_thread", work_thread);
|
||||||
|
gst_bin_add (GST_BIN (play), work_thread);
|
||||||
|
|
||||||
|
/* Creating our video output bin
|
||||||
|
{ queue ! colorspace ! videoscale ! fakesink } */
|
||||||
|
video_thread = gst_thread_new ("video_thread");
|
||||||
|
if (!GST_IS_THREAD (video_thread))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
g_hash_table_insert (play->elements, "video_thread", video_thread);
|
||||||
|
gst_bin_add (GST_BIN (work_thread), video_thread);
|
||||||
|
|
||||||
|
/* Buffer queue for our video thread */
|
||||||
|
video_queue = gst_element_factory_make ("queue", "video_queue");
|
||||||
|
if (!GST_IS_ELEMENT (video_queue))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
g_hash_table_insert (play->elements, "video_queue", video_queue);
|
||||||
|
|
||||||
|
/* Colorspace conversion */
|
||||||
|
/* FIXME: Use ffcolorspace and fallback to Hermes on failure ?*/
|
||||||
|
video_colorspace = gst_element_factory_make ("colorspace",
|
||||||
|
"video_colorspace");
|
||||||
|
if (!GST_IS_ELEMENT (video_colorspace))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
g_hash_table_insert (play->elements, "video_colorspace",
|
||||||
|
video_colorspace);
|
||||||
|
|
||||||
|
/* Software scaling of video stream */
|
||||||
|
video_scaler = gst_element_factory_make ("videoscale", "video_scaler");
|
||||||
|
if (!GST_IS_ELEMENT (video_scaler))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
g_hash_table_insert (play->elements, "video_scaler", video_scaler);
|
||||||
|
|
||||||
|
/* Placeholder for future video sink bin */
|
||||||
|
video_sink = gst_element_factory_make ("fakesink", "video_sink");
|
||||||
|
if (!GST_IS_ELEMENT (video_sink))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
g_hash_table_insert (play->elements, "video_sink", video_sink);
|
||||||
|
|
||||||
|
/* Linking, Adding, Ghosting */
|
||||||
|
gst_element_link_many (video_queue, video_colorspace,
|
||||||
|
video_scaler, video_sink, NULL);
|
||||||
|
gst_bin_add_many (GST_BIN (video_thread), video_queue, video_colorspace,
|
||||||
|
video_scaler, video_sink, NULL);
|
||||||
|
gst_element_add_ghost_pad (video_thread,
|
||||||
|
gst_element_get_pad (video_queue, "sink"),
|
||||||
|
"sink");
|
||||||
|
|
||||||
|
/* Creating our audio output bin
|
||||||
|
{ queue ! volume ! tee ! { queue ! goom } ! fakesink } */
|
||||||
|
audio_thread = gst_thread_new ("audio_thread");
|
||||||
|
if (!GST_IS_THREAD (audio_thread))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
g_hash_table_insert (play->elements, "audio_thread", audio_thread);
|
||||||
|
gst_bin_add (GST_BIN (work_thread), audio_thread);
|
||||||
|
|
||||||
|
/* Buffer queue for our audio thread */
|
||||||
|
audio_queue = gst_element_factory_make ("queue", "audio_queue");
|
||||||
|
if (!GST_IS_ELEMENT (audio_queue))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
g_hash_table_insert (play->elements, "audio_queue", audio_queue);
|
||||||
|
|
||||||
|
/* Volume control */
|
||||||
|
audio_volume = gst_element_factory_make ("volume", "audio_volume");
|
||||||
|
if (!GST_IS_ELEMENT (audio_volume))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
g_hash_table_insert (play->elements, "audio_volume", audio_volume);
|
||||||
|
|
||||||
|
/* Duplicate audio signal to sink and visualization thread */
|
||||||
|
audio_tee = gst_element_factory_make ("tee", "audio_tee");
|
||||||
|
if (!GST_IS_ELEMENT (audio_tee))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
audio_tee_pad1 = gst_element_get_request_pad (audio_tee, "src%d");
|
||||||
|
audio_tee_pad2 = gst_element_get_request_pad (audio_tee, "src%d");
|
||||||
|
g_hash_table_insert (play->elements, "audio_tee_pad1", audio_tee_pad1);
|
||||||
|
g_hash_table_insert (play->elements, "audio_tee_pad2", audio_tee_pad2);
|
||||||
|
g_hash_table_insert (play->elements, "audio_tee", audio_tee);
|
||||||
|
|
||||||
|
/* Placeholder for future audio sink bin */
|
||||||
|
audio_sink = gst_element_factory_make ("fakesink", "audio_sink");
|
||||||
|
if (!GST_IS_ELEMENT (audio_sink))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
audio_sink_pad = gst_element_get_pad (audio_sink, "sink");
|
||||||
|
g_hash_table_insert (play->elements, "audio_sink_pad", audio_sink_pad);
|
||||||
|
g_hash_table_insert (play->elements, "audio_sink", audio_sink);
|
||||||
|
|
||||||
|
/* Visualization thread */
|
||||||
|
vis_thread = gst_thread_new ("vis_thread");
|
||||||
|
if (!GST_IS_THREAD (vis_thread))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
g_hash_table_insert (play->elements, "vis_thread", vis_thread);
|
||||||
|
|
||||||
|
/* Buffer queue for our visualization thread */
|
||||||
|
vis_queue = gst_element_factory_make ("queue", "vis_queue");
|
||||||
|
if (!GST_IS_ELEMENT (vis_queue))
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
g_hash_table_insert (play->elements, "vis_queue", vis_queue);
|
||||||
|
|
||||||
|
/* Adding, Ghosting in visualization */
|
||||||
|
gst_bin_add (GST_BIN (vis_thread), vis_queue);
|
||||||
|
vis_thread_pad = gst_element_add_ghost_pad (vis_thread,
|
||||||
|
gst_element_get_pad (vis_queue, "sink"),
|
||||||
|
"sink");
|
||||||
|
g_hash_table_insert (play->elements, "vis_thread_pad", vis_thread_pad);
|
||||||
|
|
||||||
|
|
||||||
|
/* Linking, Adding, Ghosting in audio */
|
||||||
|
gst_element_link_many (audio_queue, audio_volume, audio_tee, NULL);
|
||||||
|
gst_pad_link (audio_tee_pad1, audio_sink_pad);
|
||||||
|
gst_bin_add_many (GST_BIN (audio_thread), audio_queue, audio_volume,
|
||||||
|
audio_tee, vis_thread, audio_sink);
|
||||||
|
gst_element_add_ghost_pad (audio_thread,
|
||||||
|
gst_element_get_pad (audio_queue, "sink"),
|
||||||
|
"sink");
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* =========================================== */
|
||||||
|
/* */
|
||||||
|
/* Interfaces */
|
||||||
|
/* */
|
||||||
|
/* =========================================== */
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_play_interface_supported (GstInterface *iface, GType type)
|
||||||
|
{
|
||||||
|
g_assert (type == GST_TYPE_NAVIGATION ||
|
||||||
|
type == GST_TYPE_X_OVERLAY ||
|
||||||
|
type == GST_TYPE_MIXER);
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_play_interface_init (GstInterfaceClass *klass)
|
||||||
|
{
|
||||||
|
klass->supported = gst_play_interface_supported;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_play_navigation_send_event (GstNavigation *navigation,
|
||||||
|
GstStructure *structure)
|
||||||
|
{
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_play_navigation_init (GstNavigationInterface *iface)
|
||||||
|
{
|
||||||
|
iface->send_event = gst_play_navigation_send_event;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_play_set_xwindow_id (GstXOverlay *overlay, XID xwindow_id)
|
||||||
|
{
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_play_xoverlay_init (GstXOverlayClass *iface)
|
||||||
|
{
|
||||||
|
iface->set_xwindow_id = gst_play_set_xwindow_id;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_play_mixer_init (GstMixerClass *klass)
|
||||||
|
{
|
||||||
|
klass->list_tracks = NULL;
|
||||||
|
klass->set_volume = NULL;
|
||||||
|
klass->get_volume = NULL;
|
||||||
|
klass->set_mute = NULL;
|
||||||
|
klass->set_record = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* =========================================== */
|
||||||
|
/* */
|
||||||
|
/* Init & Dispose & 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);
|
||||||
|
|
||||||
|
if (play->location)
|
||||||
|
{
|
||||||
|
g_free (play->location);
|
||||||
|
play->location = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (play->elements)
|
||||||
|
{
|
||||||
|
g_hash_table_destroy (play->elements);
|
||||||
|
play->elements = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
G_OBJECT_CLASS (parent_class)->dispose (object);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_play_init (GstPlay *play)
|
||||||
|
{
|
||||||
|
play->location = NULL;
|
||||||
|
play->elements = g_hash_table_new (g_str_hash, g_str_equal);
|
||||||
|
if (!gst_play_pipeline_setup (play))
|
||||||
|
g_warning ("libgstplay: failed initializing pipeline");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_play_class_init (GstPlayClass *klass)
|
||||||
|
{
|
||||||
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
||||||
|
|
||||||
|
parent_class = g_type_class_peek_parent (klass);
|
||||||
|
|
||||||
|
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);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* ======================================================= */
|
||||||
|
/* */
|
||||||
|
/* 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)
|
||||||
|
{
|
||||||
|
g_return_val_if_fail (play != NULL, FALSE);
|
||||||
|
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
|
||||||
|
|
||||||
|
if (play->location)
|
||||||
|
g_free (play->location);
|
||||||
|
|
||||||
|
play->location = g_strdup (location);
|
||||||
|
|
||||||
|
if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY)
|
||||||
|
gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY);
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* gst_play_get_location:
|
||||||
|
* @play: a #GstPlay.
|
||||||
|
*
|
||||||
|
* Get current location of @play.
|
||||||
|
*
|
||||||
|
* Returns: a const #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->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.
|
||||||
|
*/
|
||||||
|
gboolean
|
||||||
|
gst_play_seek_to_time (GstPlay * play, gint64 time_nanos)
|
||||||
|
{
|
||||||
|
g_return_val_if_fail (play != NULL, FALSE);
|
||||||
|
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* =========================================== */
|
||||||
|
/* */
|
||||||
|
/* 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
|
||||||
|
};
|
||||||
|
static const GInterfaceInfo iface_info = {
|
||||||
|
(GInterfaceInitFunc) gst_play_interface_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
static const GInterfaceInfo navigation_info = {
|
||||||
|
(GInterfaceInitFunc) gst_play_navigation_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
static const GInterfaceInfo overlay_info = {
|
||||||
|
(GInterfaceInitFunc) gst_play_xoverlay_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
static const GInterfaceInfo mixer_info = {
|
||||||
|
(GInterfaceInitFunc) gst_play_mixer_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
|
||||||
|
play_type = g_type_register_static (GST_TYPE_PIPELINE, "GstPlay",
|
||||||
|
&play_info, 0);
|
||||||
|
|
||||||
|
g_type_add_interface_static (play_type, GST_TYPE_INTERFACE,
|
||||||
|
&iface_info);
|
||||||
|
g_type_add_interface_static (play_type, GST_TYPE_NAVIGATION,
|
||||||
|
&navigation_info);
|
||||||
|
g_type_add_interface_static (play_type, GST_TYPE_X_OVERLAY,
|
||||||
|
&overlay_info);
|
||||||
|
g_type_add_interface_static (play_type, GST_TYPE_MIXER,
|
||||||
|
&mixer_info);
|
||||||
|
}
|
||||||
|
|
||||||
|
return play_type;
|
||||||
|
}
|
||||||
76
gst-libs/gst/play/play.h
Normal file
76
gst-libs/gst/play/play.h
Normal file
|
|
@ -0,0 +1,76 @@
|
||||||
|
/* 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __GST_PLAY_H__
|
||||||
|
#define __GST_PLAY_H__
|
||||||
|
|
||||||
|
#include <gst/gstpipeline.h>
|
||||||
|
|
||||||
|
#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;
|
||||||
|
|
||||||
|
struct _GstPlay
|
||||||
|
{
|
||||||
|
GstPipeline pipeline;
|
||||||
|
|
||||||
|
char *location;
|
||||||
|
|
||||||
|
GHashTable *elements;
|
||||||
|
|
||||||
|
GST_OBJECT_PADDING
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstPlayClass
|
||||||
|
{
|
||||||
|
GstPipelineClass parent_class;
|
||||||
|
|
||||||
|
void (*time_tick) (GstPlay *play, gint64 time_nanos);
|
||||||
|
void (*stream_length) (GstPlay *play, gint64 length_nanos);
|
||||||
|
void (*have_video_size) (GstPlay *play, gint width, gint height);
|
||||||
|
|
||||||
|
GST_CLASS_PADDING
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gst_play_get_type (void);
|
||||||
|
|
||||||
|
gboolean gst_play_set_video_sink (GstPlay *play,
|
||||||
|
GstElement *video_sink);
|
||||||
|
gboolean gst_play_set_audio_sink (GstPlay *play,
|
||||||
|
GstElement *audio_sink);
|
||||||
|
|
||||||
|
gboolean gst_play_set_visualization (GstPlay *play,
|
||||||
|
GstElement *element);
|
||||||
|
gboolean gst_play_connect_visualization (GstPlay *play,
|
||||||
|
gboolean connect);
|
||||||
|
|
||||||
|
gboolean gst_play_set_location (GstPlay *play,
|
||||||
|
const char *location);
|
||||||
|
char * gst_play_get_location (GstPlay *play);
|
||||||
|
|
||||||
|
gboolean gst_play_seek_to_time (GstPlay *play,
|
||||||
|
gint64 time_nanos);
|
||||||
|
|
||||||
|
#endif /* __GST_PLAY_H__ */
|
||||||
Loading…
Reference in a new issue