Commit aca18a29 authored by Thibault Saunier's avatar Thibault Saunier 🌵

plugins:ges: Factor out a GESBaseBin class

And use it in both gesdemux and gessrc
parent db97b2c9
......@@ -8,6 +8,7 @@
"description": "Demuxer for complex timeline file formats using GES.",
"hierarchy": [
"GESDemux",
"GESBaseBin",
"GstBin",
"GstElement",
"GstObject",
......@@ -51,11 +52,11 @@
"writable": true
},
"timeline": {
"blurb": "Timeline to use in this source.",
"blurb": "Timeline to use in this src.",
"construct": false,
"construct-only": false,
"type-name": "GESTimeline",
"writable": false
"writable": true
}
},
"rank": "primary",
......@@ -79,18 +80,19 @@
}
},
"gessrc": {
"author": "Erik Walthinsen <omega@cse.ogi.edu>,Wim Taymans <wim.taymans@gmail.com>",
"description": "Simple container object",
"author": "Thibault Saunier <tsaunier@igalia.com",
"description": "Source for GESTimeline.",
"hierarchy": [
"GESSrc",
"GESBaseBin",
"GstBin",
"GstElement",
"GstObject",
"GInitiallyUnowned",
"GObject"
],
"klass": "Generic/Bin",
"long-name": "Generic bin",
"klass": "Codec/Source/Editing",
"long-name": "GStreamer Editing Services based 'source'",
"pad-templates": {
"audio_src": {
"caps": "audio/x-raw(ANY):\n",
......
/* GStreamer GES plugin
*
* Copyright (C) 2019 Thibault Saunier <tsaunier@igalia.com>
*
* gesbasebin.h
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "gesbasebin.h"
static GstStaticPadTemplate video_src_template =
GST_STATIC_PAD_TEMPLATE ("video_src",
GST_PAD_SRC,
GST_PAD_SOMETIMES,
GST_STATIC_CAPS ("video/x-raw(ANY)"));
static GstStaticPadTemplate audio_src_template =
GST_STATIC_PAD_TEMPLATE ("audio_src",
GST_PAD_SRC,
GST_PAD_SOMETIMES,
GST_STATIC_CAPS ("audio/x-raw(ANY);"));
typedef struct
{
GESTimeline *timeline;
GstFlowCombiner *flow_combiner;
} GESBaseBinPrivate;
enum
{
PROP_0,
PROP_TIMELINE,
PROP_LAST
};
static GParamSpec *properties[PROP_LAST];
G_DEFINE_TYPE_WITH_PRIVATE (GESBaseBin, ges_base_bin, GST_TYPE_BIN);
GST_DEBUG_CATEGORY_STATIC (gesbasebin);
#define GST_CAT_DEFAULT gesbasebin
static void
ges_base_bin_dispose (GObject * object)
{
GESBaseBin *self = GES_BASE_BIN (object);
GESBaseBinPrivate *priv = ges_base_bin_get_instance_private (self);
if (priv->timeline)
gst_clear_object (&priv->timeline);
}
static void
ges_base_bin_finalize (GObject * object)
{
GESBaseBin *self = GES_BASE_BIN (object);
GESBaseBinPrivate *priv = ges_base_bin_get_instance_private (self);
gst_flow_combiner_free (priv->flow_combiner);
}
static void
ges_base_bin_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
GESBaseBin *self = GES_BASE_BIN (object);
GESBaseBinPrivate *priv = ges_base_bin_get_instance_private (self);
switch (property_id) {
case PROP_TIMELINE:
g_value_set_object (value, priv->timeline);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_base_bin_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
GESBaseBin *self = GES_BASE_BIN (object);
switch (property_id) {
case PROP_TIMELINE:
ges_base_bin_set_timeline (self, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_base_bin_class_init (GESBaseBinClass * self_class)
{
GObjectClass *gclass = G_OBJECT_CLASS (self_class);
GstElementClass *gstelement_klass = GST_ELEMENT_CLASS (self_class);
GST_DEBUG_CATEGORY_INIT (gesbasebin, "gesbasebin", 0, "ges bin element");
gclass->get_property = ges_base_bin_get_property;
gclass->set_property = ges_base_bin_set_property;
gclass->dispose = ges_base_bin_dispose;
gclass->finalize = ges_base_bin_finalize;
/**
* GESBaseBin:timeline:
*
* Timeline to use in this bin.
*/
properties[PROP_TIMELINE] = g_param_spec_object ("timeline", "Timeline",
"Timeline to use in this src.",
GES_TYPE_TIMELINE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gclass, PROP_LAST, properties);
gst_element_class_add_pad_template (gstelement_klass,
gst_static_pad_template_get (&video_src_template));
gst_element_class_add_pad_template (gstelement_klass,
gst_static_pad_template_get (&audio_src_template));
}
static void
ges_base_bin_init (GESBaseBin * self)
{
GESBaseBinPrivate *priv = ges_base_bin_get_instance_private (self);
priv->flow_combiner = gst_flow_combiner_new ();
}
static GstFlowReturn
gst_bin_src_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
GstFlowReturn result, chain_result;
GESBaseBin *self = GES_BASE_BIN (GST_OBJECT_PARENT (parent));
GESBaseBinPrivate *priv = ges_base_bin_get_instance_private (self);
chain_result = gst_proxy_pad_chain_default (pad, GST_OBJECT (self), buffer);
result =
gst_flow_combiner_update_pad_flow (priv->flow_combiner, pad,
chain_result);
if (result == GST_FLOW_FLUSHING)
return chain_result;
return result;
}
gboolean
ges_base_bin_set_timeline (GESBaseBin * self, GESTimeline * timeline)
{
GList *tmp;
guint naudiopad = 0, nvideopad = 0;
GstBin *sbin = GST_BIN (self);
GESBaseBinPrivate *priv = ges_base_bin_get_instance_private (self);
g_return_val_if_fail (GES_IS_TIMELINE (timeline), FALSE);
if (priv->timeline) {
GST_ERROR_OBJECT (sbin, "Implement changing timeline support");
return FALSE;
}
priv->timeline = gst_object_ref (timeline);
GST_INFO_OBJECT (sbin, "Setting timeline: %" GST_PTR_FORMAT, timeline);
if (!gst_bin_add (sbin, GST_ELEMENT (timeline))) {
GST_ERROR_OBJECT (sbin, "Could not add timeline to myself!");
return FALSE;
}
for (tmp = timeline->tracks; tmp; tmp = tmp->next) {
GstPad *gpad;
gchar *name = NULL;
GstElement *queue;
GESTrack *track = GES_TRACK (tmp->data);
GstPad *proxy_pad, *tmppad, *pad =
ges_timeline_get_pad_for_track (timeline, track);
GstStaticPadTemplate *template;
if (!pad) {
GST_WARNING_OBJECT (sbin, "No pad for track: %" GST_PTR_FORMAT, track);
continue;
}
if (track->type == GES_TRACK_TYPE_AUDIO) {
name = g_strdup_printf ("audio_%u", naudiopad++);
template = &audio_src_template;
} else if (track->type == GES_TRACK_TYPE_VIDEO) {
name = g_strdup_printf ("video_%u", nvideopad++);
template = &video_src_template;
} else {
GST_INFO_OBJECT (sbin, "Track type not handled: %" GST_PTR_FORMAT, track);
continue;
}
queue = gst_element_factory_make ("queue", NULL);
/* Add queues the same way as in GESPipeline */
g_object_set (G_OBJECT (queue), "max-size-buffers", 0,
"max-size-bytes", 0, "max-size-time", (gint64) 2 * GST_SECOND, NULL);
gst_bin_add (sbin, queue);
gst_element_sync_state_with_parent (GST_ELEMENT (queue));
tmppad = gst_element_get_static_pad (queue, "sink");
if (gst_pad_link (pad, tmppad) != GST_PAD_LINK_OK) {
GST_ERROR_OBJECT (sbin, "Could not link %s:%s and %s:%s",
GST_DEBUG_PAD_NAME (pad), GST_DEBUG_PAD_NAME (tmppad));
gst_object_unref (tmppad);
gst_object_unref (queue);
continue;
}
tmppad = gst_element_get_static_pad (queue, "src");
gpad = gst_ghost_pad_new_from_template (name, tmppad,
gst_static_pad_template_get (template));
gst_pad_set_active (gpad, TRUE);
gst_element_add_pad (GST_ELEMENT (sbin), gpad);
proxy_pad = GST_PAD (gst_proxy_pad_get_internal (GST_PROXY_PAD (gpad)));
gst_flow_combiner_add_pad (priv->flow_combiner, proxy_pad);
gst_pad_set_chain_function (proxy_pad, gst_bin_src_chain);
gst_object_unref (proxy_pad);
GST_DEBUG_OBJECT (sbin, "Adding pad: %" GST_PTR_FORMAT, gpad);
}
gst_element_no_more_pads (GST_ELEMENT (sbin));
gst_element_sync_state_with_parent (GST_ELEMENT (timeline));
return TRUE;
}
GESTimeline *
ges_base_bin_get_timeline (GESBaseBin * self)
{
GESBaseBinPrivate *priv = ges_base_bin_get_instance_private (self);
return priv->timeline;
}
/* GStreamer GES plugin
*
* Copyright (C) 2019 Thibault Saunier <tsaunier@igalia.com>
*
* gesbasebin.h
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef __GES_BASE_BIN_H__
#define __GES_BASE_BIN_H__
#include <gst/gst.h>
#include <gst/base/gstflowcombiner.h>
#include <ges/ges.h>
G_BEGIN_DECLS
G_DECLARE_DERIVABLE_TYPE(GESBaseBin, ges_base_bin, GES, BASE_BIN, GstBin)
struct _GESBaseBinClass
{
GstBinClass parent_class;
};
gboolean ges_base_bin_set_timeline (GESBaseBin * self, GESTimeline * timeline);
GESTimeline * ges_base_bin_get_timeline (GESBaseBin * self);
G_END_DECLS
#endif /* __GES_BASE_BIN_H__ */
\ No newline at end of file
......@@ -36,47 +36,35 @@
#include "config.h"
#endif
#include "gesbasebin.h"
#include <gst/gst.h>
#include <glib/gstdio.h>
#include <gst/pbutils/pbutils.h>
#include <gst/base/gstadapter.h>
#include <ges/ges.h>
#include <gst/base/gstflowcombiner.h>
GST_DEBUG_CATEGORY_STATIC (gesdemux);
#define GST_CAT_DEFAULT gesdemux
static GstStaticPadTemplate video_src_template =
GST_STATIC_PAD_TEMPLATE ("video_src",
GST_PAD_SRC,
GST_PAD_SOMETIMES,
GST_STATIC_CAPS ("video/x-raw(ANY)"));
static GstStaticPadTemplate audio_src_template =
GST_STATIC_PAD_TEMPLATE ("audio_src",
GST_PAD_SRC,
GST_PAD_SOMETIMES,
GST_STATIC_CAPS ("audio/x-raw(ANY);"));
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/xges"));
G_DECLARE_FINAL_TYPE (GESDemux, ges_demux, GES, Demux, GstBin);
G_DECLARE_FINAL_TYPE (GESDemux, ges_demux, GES, Demux, GESBaseBin);
struct _GESDemux
{
GstBin parent;
GESBaseBin parent;
GESTimeline *timeline;
GstPad *sinkpad;
GstAdapter *input_adapter;
GstFlowCombiner *flow_combiner;
};
G_DEFINE_TYPE (GESDemux, ges_demux, GST_TYPE_BIN);
G_DEFINE_TYPE (GESDemux, ges_demux, ges_base_bin_get_type ());
#define GES_DEMUX(obj) ((GESDemux*)obj)
enum
......@@ -88,112 +76,6 @@ enum
static GParamSpec *properties[PROP_LAST];
static GstFlowReturn
gst_demux_src_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
GstFlowReturn result, chain_result;
GESDemux *self = GES_DEMUX (GST_OBJECT_PARENT (parent));
chain_result = gst_proxy_pad_chain_default (pad, GST_OBJECT (self), buffer);
result =
gst_flow_combiner_update_pad_flow (self->flow_combiner, pad,
chain_result);
if (result == GST_FLOW_FLUSHING) {
return chain_result;
}
return result;
}
static gboolean
ges_demux_set_timeline (GESDemux * self, GESTimeline * timeline)
{
GList *tmp;
guint naudiopad = 0, nvideopad = 0;
GstBin *sbin = GST_BIN (self);
g_return_val_if_fail (GES_IS_TIMELINE (timeline), FALSE);
if (self->timeline) {
GST_ERROR_OBJECT (self, "Implement changing timeline support");
return FALSE;
}
GST_INFO_OBJECT (self, "Setting timeline: %" GST_PTR_FORMAT, timeline);
self->timeline = gst_object_ref (timeline);
if (!gst_bin_add (sbin, GST_ELEMENT (self->timeline))) {
GST_ERROR_OBJECT (self, "Could not add timeline to myself!");
return FALSE;
}
for (tmp = self->timeline->tracks; tmp; tmp = tmp->next) {
GstPad *gpad;
gchar *name = NULL;
GstElement *queue;
GESTrack *track = GES_TRACK (tmp->data);
GstPad *proxy_pad, *tmppad, *pad =
ges_timeline_get_pad_for_track (self->timeline, track);
GstStaticPadTemplate *template;
if (!pad) {
GST_WARNING_OBJECT (self, "No pad for track: %" GST_PTR_FORMAT, track);
continue;
}
if (track->type == GES_TRACK_TYPE_AUDIO) {
name = g_strdup_printf ("audio_%u", naudiopad++);
template = &audio_src_template;
} else if (track->type == GES_TRACK_TYPE_VIDEO) {
name = g_strdup_printf ("video_%u", nvideopad++);
template = &video_src_template;
} else {
GST_INFO_OBJECT (self, "Track type not handled: %" GST_PTR_FORMAT, track);
continue;
}
queue = gst_element_factory_make ("queue", NULL);
/* Add queues the same way as in GESPipeline */
g_object_set (G_OBJECT (queue), "max-size-buffers", 0,
"max-size-bytes", 0, "max-size-time", (gint64) 2 * GST_SECOND, NULL);
gst_bin_add (GST_BIN (self), queue);
gst_element_sync_state_with_parent (GST_ELEMENT (queue));
tmppad = gst_element_get_static_pad (queue, "sink");
if (gst_pad_link (pad, tmppad) != GST_PAD_LINK_OK) {
GST_ERROR_OBJECT (self, "Could not link %s:%s and %s:%s",
GST_DEBUG_PAD_NAME (pad), GST_DEBUG_PAD_NAME (tmppad));
gst_object_unref (tmppad);
gst_object_unref (queue);
continue;
}
tmppad = gst_element_get_static_pad (queue, "src");
gpad = gst_ghost_pad_new_from_template (name, tmppad,
gst_static_pad_template_get (template));
gst_pad_set_active (gpad, TRUE);
gst_element_add_pad (GST_ELEMENT (self), gpad);
proxy_pad = GST_PAD (gst_proxy_pad_get_internal (GST_PROXY_PAD (gpad)));
gst_flow_combiner_add_pad (self->flow_combiner, proxy_pad);
gst_pad_set_chain_function (proxy_pad,
(GstPadChainFunction) gst_demux_src_chain);
gst_object_unref (proxy_pad);
GST_DEBUG_OBJECT (self, "Adding pad: %" GST_PTR_FORMAT, gpad);
}
gst_element_sync_state_with_parent (GST_ELEMENT (self->timeline));
gst_element_no_more_pads (GST_ELEMENT (self));
return TRUE;
}
static void
ges_demux_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
......@@ -202,7 +84,8 @@ ges_demux_get_property (GObject * object, guint property_id,
switch (property_id) {
case PROP_TIMELINE:
g_value_set_object (value, self->timeline);
g_value_set_object (value,
ges_base_bin_get_timeline (GES_BASE_BIN (self)));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
......@@ -219,23 +102,6 @@ ges_demux_set_property (GObject * object, guint property_id,
}
}
static void
ges_demux_dispose (GObject * object)
{
GESDemux *self = GES_DEMUX (object);
if (self->timeline)
gst_clear_object (&self->timeline);
}
static void
ges_demux_finalize (GObject * object)
{
GESDemux *self = GES_DEMUX (object);
gst_flow_combiner_free (self->flow_combiner);
}
static void
ges_demux_class_init (GESDemuxClass * self_class)
{
......@@ -246,8 +112,6 @@ ges_demux_class_init (GESDemuxClass * self_class)
gclass->get_property = ges_demux_get_property;
gclass->set_property = ges_demux_set_property;
gclass->dispose = ges_demux_dispose;
gclass->finalize = ges_demux_finalize;
/**
* GESDemux:timeline:
......@@ -257,21 +121,15 @@ ges_demux_class_init (GESDemuxClass * self_class)
properties[PROP_TIMELINE] = g_param_spec_object ("timeline", "Timeline",
"Timeline to use in this source.",
GES_TYPE_TIMELINE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_override_property (gclass, PROP_TIMELINE, "timeline");
g_object_class_install_properties (gclass, PROP_LAST, properties);
gst_element_class_add_pad_template (gstelement_klass,
gst_static_pad_template_get (&sink_template));
gst_element_class_set_static_metadata (gstelement_klass,
"GStreamer Editing Services based 'demuxer'",
"Codec/Demux/Editing",
"Demuxer for complex timeline file formats using GES.",
"Thibault Saunier <tsaunier@igalia.com");
gst_element_class_add_pad_template (gstelement_klass,
gst_static_pad_template_get (&sink_template));
gst_element_class_add_pad_template (gstelement_klass,
gst_static_pad_template_get (&video_src_template));
gst_element_class_add_pad_template (gstelement_klass,
gst_static_pad_template_get (&audio_src_template));
}
typedef struct
......@@ -453,7 +311,7 @@ ges_demux_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
GST_INFO_OBJECT (self, "Timeline properly loaded: %" GST_PTR_FORMAT,
data.timeline);
ges_demux_set_timeline (self, data.timeline);
ges_base_bin_set_timeline (GES_BASE_BIN (self), data.timeline);
done:
g_free (filename);
g_free (uri);
......@@ -496,7 +354,6 @@ ges_demux_init (GESDemux * self)
gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
self->input_adapter = gst_adapter_new ();
self->flow_combiner = gst_flow_combiner_new ();
gst_pad_set_chain_function (self->sinkpad,
GST_DEBUG_FUNCPTR (ges_demux_sink_chain));
......
......@@ -48,112 +48,18 @@
#include <gst/gst.h>
#include <ges/ges.h>
#include "gesbasebin.h"
GST_DEBUG_CATEGORY_STATIC (gessrc);
#define GST_CAT_DEFAULT gessrc
static GstStaticPadTemplate video_src_template =
GST_STATIC_PAD_TEMPLATE ("video_src",
GST_PAD_SRC,
GST_PAD_SOMETIMES,
GST_STATIC_CAPS ("video/x-raw(ANY)"));
static GstStaticPadTemplate audio_src_template =
GST_STATIC_PAD_TEMPLATE ("audio_src",
GST_PAD_SRC,
GST_PAD_SOMETIMES,
GST_STATIC_CAPS ("audio/x-raw(ANY);"));
G_DECLARE_FINAL_TYPE (GESSrc, ges_src, GES, SRC, GstBin);
G_DECLARE_FINAL_TYPE (GESSrc, ges_src, GES, SRC, GESBaseBin);
struct _GESSrc
{
GstBin parent;
GESTimeline *timeline;
GESBaseBin parent;
};
#define GES_SRC(obj) ((GESSrc*) obj)