mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 10:11:08 +00:00
inter: Add subtitle inter elements
This commit is contained in:
David Schleef
parent
6786f8c7bf
commit
f02ee5b403
7 changed files with 910 additions and 1 deletions
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@ -5,6 +5,8 @@ noinst_PROGRAMS = gstintertest
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libgstinter_la_SOURCES = \
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libgstinter_la_SOURCES = \
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gstinteraudiosink.c \
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gstinteraudiosink.c \
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gstinteraudiosrc.c \
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gstinteraudiosrc.c \
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gstintersubsink.c \
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gstintersubsrc.c \
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gstintervideosink.c \
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gstintervideosink.c \
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gstintervideosrc.c \
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gstintervideosrc.c \
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gstinter.c \
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gstinter.c \
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@ -13,6 +15,8 @@ libgstinter_la_SOURCES = \
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noinst_HEADERS = \
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noinst_HEADERS = \
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gstinteraudiosink.h \
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gstinteraudiosink.h \
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gstinteraudiosrc.h \
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gstinteraudiosrc.h \
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gstintersubsink.h \
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gstintersubsrc.h \
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gstintervideosink.h \
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gstintervideosink.h \
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gstintervideosrc.h \
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gstintervideosrc.h \
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gstintersurface.h
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gstintersurface.h
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@ -1,5 +1,5 @@
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/* GStreamer
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/* GStreamer
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* Copyright (C) 2011 David A. Schleef <ds@schleef.org>
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* Copyright (C) 2011 David Schleef <ds@entropywave.com>
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*
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*
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* This library is free software; you can redistribute it and/or
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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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* modify it under the terms of the GNU Library General Public
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@ -23,6 +23,8 @@
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#include "gstinteraudiosrc.h"
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#include "gstinteraudiosrc.h"
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#include "gstinteraudiosink.h"
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#include "gstinteraudiosink.h"
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#include "gstintersubsrc.h"
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#include "gstintersubsink.h"
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#include "gstintervideosrc.h"
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#include "gstintervideosrc.h"
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#include "gstintervideosink.h"
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#include "gstintervideosink.h"
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#include "gstintersurface.h"
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#include "gstintersurface.h"
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@ -34,6 +36,10 @@ plugin_init (GstPlugin * plugin)
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GST_TYPE_INTER_AUDIO_SRC);
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GST_TYPE_INTER_AUDIO_SRC);
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gst_element_register (plugin, "interaudiosink", GST_RANK_NONE,
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gst_element_register (plugin, "interaudiosink", GST_RANK_NONE,
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GST_TYPE_INTER_AUDIO_SINK);
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GST_TYPE_INTER_AUDIO_SINK);
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gst_element_register (plugin, "intersubsrc", GST_RANK_NONE,
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GST_TYPE_INTER_SUB_SRC);
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gst_element_register (plugin, "intersubsink", GST_RANK_NONE,
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GST_TYPE_INTER_SUB_SINK);
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gst_element_register (plugin, "intervideosrc", GST_RANK_NONE,
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gst_element_register (plugin, "intervideosrc", GST_RANK_NONE,
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GST_TYPE_INTER_VIDEO_SRC);
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GST_TYPE_INTER_VIDEO_SRC);
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gst_element_register (plugin, "intervideosink", GST_RANK_NONE,
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gst_element_register (plugin, "intervideosink", GST_RANK_NONE,
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329
gst/inter/gstintersubsink.c
Normal file
329
gst/inter/gstintersubsink.c
Normal file
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@ -0,0 +1,329 @@
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/* GStreamer
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* Copyright (C) 2011 David Schleef <ds@entropywave.com>
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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., 51 Franklin Street, Suite 500,
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* Boston, MA 02110-1335, USA.
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*/
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/**
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* SECTION:element-gstintersubsink
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*
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* The intersubsink element does FIXME stuff.
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*
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* <refsect2>
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* <title>Example launch line</title>
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* |[
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* gst-launch -v fakesrc ! intersubsink ! FIXME ! fakesink
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* ]|
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* FIXME Describe what the pipeline does.
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* </refsect2>
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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 <gst/gst.h>
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#include <gst/base/gstbasesink.h>
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#include "gstintersubsink.h"
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GST_DEBUG_CATEGORY_STATIC (gst_inter_sub_sink_debug_category);
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#define GST_CAT_DEFAULT gst_inter_sub_sink_debug_category
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/* prototypes */
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static void gst_inter_sub_sink_set_property (GObject * object,
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guint property_id, const GValue * value, GParamSpec * pspec);
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static void gst_inter_sub_sink_get_property (GObject * object,
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guint property_id, GValue * value, GParamSpec * pspec);
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static void gst_inter_sub_sink_dispose (GObject * object);
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static void gst_inter_sub_sink_finalize (GObject * object);
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static GstCaps *gst_inter_sub_sink_get_caps (GstBaseSink * sink);
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static gboolean gst_inter_sub_sink_set_caps (GstBaseSink * sink,
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GstCaps * caps);
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static GstFlowReturn gst_inter_sub_sink_buffer_alloc (GstBaseSink * sink,
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guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf);
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static void gst_inter_sub_sink_get_times (GstBaseSink * sink,
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GstBuffer * buffer, GstClockTime * start, GstClockTime * end);
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static gboolean gst_inter_sub_sink_start (GstBaseSink * sink);
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static gboolean gst_inter_sub_sink_stop (GstBaseSink * sink);
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static gboolean gst_inter_sub_sink_unlock (GstBaseSink * sink);
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static gboolean gst_inter_sub_sink_event (GstBaseSink * sink, GstEvent * event);
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static GstFlowReturn
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gst_inter_sub_sink_preroll (GstBaseSink * sink, GstBuffer * buffer);
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static GstFlowReturn
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gst_inter_sub_sink_render (GstBaseSink * sink, GstBuffer * buffer);
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static GstStateChangeReturn gst_inter_sub_sink_async_play (GstBaseSink * sink);
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static gboolean gst_inter_sub_sink_activate_pull (GstBaseSink * sink,
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gboolean active);
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static gboolean gst_inter_sub_sink_unlock_stop (GstBaseSink * sink);
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enum
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{
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PROP_0
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};
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/* pad templates */
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static GstStaticPadTemplate gst_inter_sub_sink_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("text/plain")
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);
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/* class initialization */
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#define DEBUG_INIT(bla) \
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GST_DEBUG_CATEGORY_INIT (gst_inter_sub_sink_debug_category, "intersubsink", 0, \
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"debug category for intersubsink element");
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GST_BOILERPLATE_FULL (GstInterSubSink, gst_inter_sub_sink, GstBaseSink,
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GST_TYPE_BASE_SINK, DEBUG_INIT);
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static void
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gst_inter_sub_sink_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_inter_sub_sink_sink_template));
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gst_element_class_set_details_simple (element_class, "FIXME Long name",
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"Generic", "FIXME Description", "FIXME <fixme@example.com>");
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}
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static void
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gst_inter_sub_sink_class_init (GstInterSubSinkClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstBaseSinkClass *base_sink_class = GST_BASE_SINK_CLASS (klass);
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gobject_class->set_property = gst_inter_sub_sink_set_property;
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gobject_class->get_property = gst_inter_sub_sink_get_property;
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gobject_class->dispose = gst_inter_sub_sink_dispose;
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gobject_class->finalize = gst_inter_sub_sink_finalize;
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base_sink_class->get_caps = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_get_caps);
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base_sink_class->set_caps = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_set_caps);
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if (0)
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base_sink_class->buffer_alloc =
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GST_DEBUG_FUNCPTR (gst_inter_sub_sink_buffer_alloc);
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base_sink_class->get_times = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_get_times);
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base_sink_class->start = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_start);
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base_sink_class->stop = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_stop);
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base_sink_class->unlock = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_unlock);
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if (0)
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base_sink_class->event = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_event);
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base_sink_class->preroll = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_preroll);
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base_sink_class->render = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_render);
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if (0)
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base_sink_class->async_play =
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GST_DEBUG_FUNCPTR (gst_inter_sub_sink_async_play);
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if (0)
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base_sink_class->activate_pull =
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GST_DEBUG_FUNCPTR (gst_inter_sub_sink_activate_pull);
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base_sink_class->unlock_stop =
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GST_DEBUG_FUNCPTR (gst_inter_sub_sink_unlock_stop);
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}
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static void
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gst_inter_sub_sink_init (GstInterSubSink * intersubsink,
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GstInterSubSinkClass * intersubsink_class)
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{
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intersubsink->sinkpad =
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gst_pad_new_from_static_template (&gst_inter_sub_sink_sink_template,
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"sink");
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intersubsink->surface = gst_inter_surface_get ("default");
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intersubsink->fps_n = 1;
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intersubsink->fps_d = 1;
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}
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void
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gst_inter_sub_sink_set_property (GObject * object, guint property_id,
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const GValue * value, GParamSpec * pspec)
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{
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/* GstInterSubSink *intersubsink = GST_INTER_SUB_SINK (object); */
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switch (property_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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void
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gst_inter_sub_sink_get_property (GObject * object, guint property_id,
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GValue * value, GParamSpec * pspec)
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{
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/* GstInterSubSink *intersubsink = GST_INTER_SUB_SINK (object); */
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switch (property_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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void
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gst_inter_sub_sink_dispose (GObject * object)
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{
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/* GstInterSubSink *intersubsink = GST_INTER_SUB_SINK (object); */
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/* clean up as possible. may be called multiple times */
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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void
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gst_inter_sub_sink_finalize (GObject * object)
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{
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/* GstInterSubSink *intersubsink = GST_INTER_SUB_SINK (object); */
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/* clean up object here */
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static GstCaps *
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gst_inter_sub_sink_get_caps (GstBaseSink * sink)
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{
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return NULL;
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}
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static gboolean
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gst_inter_sub_sink_set_caps (GstBaseSink * sink, GstCaps * caps)
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{
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return FALSE;
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}
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static GstFlowReturn
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gst_inter_sub_sink_buffer_alloc (GstBaseSink * sink, guint64 offset, guint size,
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GstCaps * caps, GstBuffer ** buf)
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{
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return GST_FLOW_ERROR;
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}
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static void
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gst_inter_sub_sink_get_times (GstBaseSink * sink, GstBuffer * buffer,
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GstClockTime * start, GstClockTime * end)
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{
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GstInterSubSink *intersubsink = GST_INTER_SUB_SINK (sink);
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if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer)) {
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*start = GST_BUFFER_TIMESTAMP (buffer);
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if (GST_BUFFER_DURATION_IS_VALID (buffer)) {
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*end = *start + GST_BUFFER_DURATION (buffer);
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} else {
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if (intersubsink->fps_n > 0) {
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*end = *start +
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gst_util_uint64_scale_int (GST_SECOND, intersubsink->fps_d,
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intersubsink->fps_n);
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}
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}
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}
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}
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static gboolean
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gst_inter_sub_sink_start (GstBaseSink * sink)
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{
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return TRUE;
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}
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static gboolean
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gst_inter_sub_sink_stop (GstBaseSink * sink)
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{
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GstInterSubSink *intersubsink = GST_INTER_SUB_SINK (sink);
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g_mutex_lock (intersubsink->surface->mutex);
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if (intersubsink->surface->sub_buffer) {
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gst_buffer_unref (intersubsink->surface->sub_buffer);
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}
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intersubsink->surface->sub_buffer = NULL;
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g_mutex_unlock (intersubsink->surface->mutex);
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return TRUE;
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}
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static gboolean
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gst_inter_sub_sink_unlock (GstBaseSink * sink)
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{
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return TRUE;
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}
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static gboolean
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gst_inter_sub_sink_event (GstBaseSink * sink, GstEvent * event)
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{
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return TRUE;
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}
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static GstFlowReturn
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gst_inter_sub_sink_preroll (GstBaseSink * sink, GstBuffer * buffer)
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{
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return GST_FLOW_OK;
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}
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||||||
|
static GstFlowReturn
|
||||||
|
gst_inter_sub_sink_render (GstBaseSink * sink, GstBuffer * buffer)
|
||||||
|
{
|
||||||
|
GstInterSubSink *intersubsink = GST_INTER_SUB_SINK (sink);
|
||||||
|
|
||||||
|
g_mutex_lock (intersubsink->surface->mutex);
|
||||||
|
if (intersubsink->surface->sub_buffer) {
|
||||||
|
gst_buffer_unref (intersubsink->surface->sub_buffer);
|
||||||
|
}
|
||||||
|
intersubsink->surface->sub_buffer = gst_buffer_ref (buffer);
|
||||||
|
//intersubsink->surface->sub_buffer_count = 0;
|
||||||
|
g_mutex_unlock (intersubsink->surface->mutex);
|
||||||
|
|
||||||
|
return GST_FLOW_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstStateChangeReturn
|
||||||
|
gst_inter_sub_sink_async_play (GstBaseSink * sink)
|
||||||
|
{
|
||||||
|
|
||||||
|
return GST_STATE_CHANGE_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_sink_activate_pull (GstBaseSink * sink, gboolean active)
|
||||||
|
{
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_sink_unlock_stop (GstBaseSink * sink)
|
||||||
|
{
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
57
gst/inter/gstintersubsink.h
Normal file
57
gst/inter/gstintersubsink.h
Normal file
|
|
@ -0,0 +1,57 @@
|
||||||
|
/* GStreamer
|
||||||
|
* Copyright (C) 2011 David Schleef <ds@entropywave.com>
|
||||||
|
*
|
||||||
|
* 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_INTER_SUB_SINK_H_
|
||||||
|
#define _GST_INTER_SUB_SINK_H_
|
||||||
|
|
||||||
|
#include <gst/base/gstbasesink.h>
|
||||||
|
#include "gstintersurface.h"
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define GST_TYPE_INTER_SUB_SINK (gst_inter_sub_sink_get_type())
|
||||||
|
#define GST_INTER_SUB_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_INTER_SUB_SINK,GstInterSubSink))
|
||||||
|
#define GST_INTER_SUB_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_INTER_SUB_SINK,GstInterSubSinkClass))
|
||||||
|
#define GST_IS_INTER_SUB_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_INTER_SUB_SINK))
|
||||||
|
#define GST_IS_INTER_SUB_SINK_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_INTER_SUB_SINK))
|
||||||
|
|
||||||
|
typedef struct _GstInterSubSink GstInterSubSink;
|
||||||
|
typedef struct _GstInterSubSinkClass GstInterSubSinkClass;
|
||||||
|
|
||||||
|
struct _GstInterSubSink
|
||||||
|
{
|
||||||
|
GstBaseSink base_intersubsink;
|
||||||
|
|
||||||
|
GstPad *sinkpad;
|
||||||
|
GstInterSurface *surface;
|
||||||
|
|
||||||
|
int fps_n;
|
||||||
|
int fps_d;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstInterSubSinkClass
|
||||||
|
{
|
||||||
|
GstBaseSinkClass base_intersubsink_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gst_inter_sub_sink_get_type (void);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif
|
||||||
455
gst/inter/gstintersubsrc.c
Normal file
455
gst/inter/gstintersubsrc.c
Normal file
|
|
@ -0,0 +1,455 @@
|
||||||
|
/* GStreamer
|
||||||
|
* Copyright (C) 2011 David Schleef <ds@entropywave.com>
|
||||||
|
*
|
||||||
|
* 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 Street, Suite 500,
|
||||||
|
* Boston, MA 02110-1335, USA.
|
||||||
|
*/
|
||||||
|
/**
|
||||||
|
* SECTION:element-gstintersubsrc
|
||||||
|
*
|
||||||
|
* The intersubsrc element is a subtitle source element. It is used
|
||||||
|
* in connection with a intersubsink element in a different pipeline,
|
||||||
|
* similar to interaudiosink and interaudiosrc.
|
||||||
|
*
|
||||||
|
* <refsect2>
|
||||||
|
* <title>Example launch line</title>
|
||||||
|
* |[
|
||||||
|
* gst-launch -v intersubsrc ! kateenc ! oggmux ! filesink location=out.ogv
|
||||||
|
* ]|
|
||||||
|
*
|
||||||
|
* The intersubsrc element cannot be used effectively with gst-launch,
|
||||||
|
* as it requires a second pipeline in the application to send subtitles.
|
||||||
|
* </refsect2>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef HAVE_CONFIG_H
|
||||||
|
#include "config.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
#include <gst/base/gstbasesrc.h>
|
||||||
|
#include "gstintersubsrc.h"
|
||||||
|
|
||||||
|
GST_DEBUG_CATEGORY_STATIC (gst_inter_sub_src_debug_category);
|
||||||
|
#define GST_CAT_DEFAULT gst_inter_sub_src_debug_category
|
||||||
|
|
||||||
|
/* prototypes */
|
||||||
|
|
||||||
|
|
||||||
|
static void gst_inter_sub_src_set_property (GObject * object,
|
||||||
|
guint property_id, const GValue * value, GParamSpec * pspec);
|
||||||
|
static void gst_inter_sub_src_get_property (GObject * object,
|
||||||
|
guint property_id, GValue * value, GParamSpec * pspec);
|
||||||
|
static void gst_inter_sub_src_dispose (GObject * object);
|
||||||
|
static void gst_inter_sub_src_finalize (GObject * object);
|
||||||
|
|
||||||
|
static GstCaps *gst_inter_sub_src_get_caps (GstBaseSrc * src);
|
||||||
|
static gboolean gst_inter_sub_src_set_caps (GstBaseSrc * src, GstCaps * caps);
|
||||||
|
static gboolean gst_inter_sub_src_negotiate (GstBaseSrc * src);
|
||||||
|
static gboolean gst_inter_sub_src_newsegment (GstBaseSrc * src);
|
||||||
|
static gboolean gst_inter_sub_src_start (GstBaseSrc * src);
|
||||||
|
static gboolean gst_inter_sub_src_stop (GstBaseSrc * src);
|
||||||
|
static void
|
||||||
|
gst_inter_sub_src_get_times (GstBaseSrc * src, GstBuffer * buffer,
|
||||||
|
GstClockTime * start, GstClockTime * end);
|
||||||
|
static gboolean gst_inter_sub_src_is_seekable (GstBaseSrc * src);
|
||||||
|
static gboolean gst_inter_sub_src_unlock (GstBaseSrc * src);
|
||||||
|
static gboolean gst_inter_sub_src_event (GstBaseSrc * src, GstEvent * event);
|
||||||
|
static GstFlowReturn
|
||||||
|
gst_inter_sub_src_create (GstBaseSrc * src, guint64 offset, guint size,
|
||||||
|
GstBuffer ** buf);
|
||||||
|
static gboolean gst_inter_sub_src_do_seek (GstBaseSrc * src,
|
||||||
|
GstSegment * segment);
|
||||||
|
static gboolean gst_inter_sub_src_query (GstBaseSrc * src, GstQuery * query);
|
||||||
|
static gboolean gst_inter_sub_src_check_get_range (GstBaseSrc * src);
|
||||||
|
static void gst_inter_sub_src_fixate (GstBaseSrc * src, GstCaps * caps);
|
||||||
|
static gboolean gst_inter_sub_src_unlock_stop (GstBaseSrc * src);
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_src_prepare_seek_segment (GstBaseSrc * src, GstEvent * seek,
|
||||||
|
GstSegment * segment);
|
||||||
|
|
||||||
|
enum
|
||||||
|
{
|
||||||
|
PROP_0
|
||||||
|
};
|
||||||
|
|
||||||
|
/* pad templates */
|
||||||
|
|
||||||
|
static GstStaticPadTemplate gst_inter_sub_src_src_template =
|
||||||
|
GST_STATIC_PAD_TEMPLATE ("src",
|
||||||
|
GST_PAD_SRC,
|
||||||
|
GST_PAD_ALWAYS,
|
||||||
|
GST_STATIC_CAPS ("application/unknown")
|
||||||
|
);
|
||||||
|
|
||||||
|
|
||||||
|
/* class initialization */
|
||||||
|
|
||||||
|
#define DEBUG_INIT(bla) \
|
||||||
|
GST_DEBUG_CATEGORY_INIT (gst_inter_sub_src_debug_category, "intersubsrc", 0, \
|
||||||
|
"debug category for intersubsrc element");
|
||||||
|
|
||||||
|
GST_BOILERPLATE_FULL (GstInterSubSrc, gst_inter_sub_src, GstBaseSrc,
|
||||||
|
GST_TYPE_BASE_SRC, DEBUG_INIT);
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_inter_sub_src_base_init (gpointer g_class)
|
||||||
|
{
|
||||||
|
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
||||||
|
|
||||||
|
gst_element_class_add_pad_template (element_class,
|
||||||
|
gst_static_pad_template_get (&gst_inter_sub_src_src_template));
|
||||||
|
|
||||||
|
gst_element_class_set_details_simple (element_class,
|
||||||
|
"Inter-pipeline subtitle source",
|
||||||
|
"Source/Subtitle", "Inter-pipeline subtitle source",
|
||||||
|
"David Schleef <ds@entropywave.com>");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_inter_sub_src_class_init (GstInterSubSrcClass * klass)
|
||||||
|
{
|
||||||
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
||||||
|
GstBaseSrcClass *base_src_class = GST_BASE_SRC_CLASS (klass);
|
||||||
|
|
||||||
|
gobject_class->set_property = gst_inter_sub_src_set_property;
|
||||||
|
gobject_class->get_property = gst_inter_sub_src_get_property;
|
||||||
|
gobject_class->dispose = gst_inter_sub_src_dispose;
|
||||||
|
gobject_class->finalize = gst_inter_sub_src_finalize;
|
||||||
|
if (0)
|
||||||
|
base_src_class->get_caps = GST_DEBUG_FUNCPTR (gst_inter_sub_src_get_caps);
|
||||||
|
base_src_class->set_caps = GST_DEBUG_FUNCPTR (gst_inter_sub_src_set_caps);
|
||||||
|
if (0)
|
||||||
|
base_src_class->negotiate = GST_DEBUG_FUNCPTR (gst_inter_sub_src_negotiate);
|
||||||
|
if (0)
|
||||||
|
base_src_class->newsegment =
|
||||||
|
GST_DEBUG_FUNCPTR (gst_inter_sub_src_newsegment);
|
||||||
|
base_src_class->start = GST_DEBUG_FUNCPTR (gst_inter_sub_src_start);
|
||||||
|
base_src_class->stop = GST_DEBUG_FUNCPTR (gst_inter_sub_src_stop);
|
||||||
|
base_src_class->get_times = GST_DEBUG_FUNCPTR (gst_inter_sub_src_get_times);
|
||||||
|
if (0)
|
||||||
|
base_src_class->is_seekable =
|
||||||
|
GST_DEBUG_FUNCPTR (gst_inter_sub_src_is_seekable);
|
||||||
|
base_src_class->unlock = GST_DEBUG_FUNCPTR (gst_inter_sub_src_unlock);
|
||||||
|
base_src_class->event = GST_DEBUG_FUNCPTR (gst_inter_sub_src_event);
|
||||||
|
base_src_class->create = GST_DEBUG_FUNCPTR (gst_inter_sub_src_create);
|
||||||
|
if (0)
|
||||||
|
base_src_class->do_seek = GST_DEBUG_FUNCPTR (gst_inter_sub_src_do_seek);
|
||||||
|
base_src_class->query = GST_DEBUG_FUNCPTR (gst_inter_sub_src_query);
|
||||||
|
if (0)
|
||||||
|
base_src_class->check_get_range =
|
||||||
|
GST_DEBUG_FUNCPTR (gst_inter_sub_src_check_get_range);
|
||||||
|
base_src_class->fixate = GST_DEBUG_FUNCPTR (gst_inter_sub_src_fixate);
|
||||||
|
if (0)
|
||||||
|
base_src_class->unlock_stop =
|
||||||
|
GST_DEBUG_FUNCPTR (gst_inter_sub_src_unlock_stop);
|
||||||
|
if (0)
|
||||||
|
base_src_class->prepare_seek_segment =
|
||||||
|
GST_DEBUG_FUNCPTR (gst_inter_sub_src_prepare_seek_segment);
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_inter_sub_src_init (GstInterSubSrc * intersubsrc,
|
||||||
|
GstInterSubSrcClass * intersubsrc_class)
|
||||||
|
{
|
||||||
|
|
||||||
|
intersubsrc->srcpad =
|
||||||
|
gst_pad_new_from_static_template (&gst_inter_sub_src_src_template, "src");
|
||||||
|
|
||||||
|
gst_base_src_set_format (GST_BASE_SRC (intersubsrc), GST_FORMAT_TIME);
|
||||||
|
gst_base_src_set_live (GST_BASE_SRC (intersubsrc), TRUE);
|
||||||
|
|
||||||
|
intersubsrc->surface = gst_inter_surface_get ("default");
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
gst_inter_sub_src_set_property (GObject * object, guint property_id,
|
||||||
|
const GValue * value, GParamSpec * pspec)
|
||||||
|
{
|
||||||
|
/* GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (object); */
|
||||||
|
|
||||||
|
switch (property_id) {
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
gst_inter_sub_src_get_property (GObject * object, guint property_id,
|
||||||
|
GValue * value, GParamSpec * pspec)
|
||||||
|
{
|
||||||
|
/* GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (object); */
|
||||||
|
|
||||||
|
switch (property_id) {
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
gst_inter_sub_src_dispose (GObject * object)
|
||||||
|
{
|
||||||
|
/* GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (object); */
|
||||||
|
|
||||||
|
/* clean up as possible. may be called multiple times */
|
||||||
|
|
||||||
|
G_OBJECT_CLASS (parent_class)->dispose (object);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
gst_inter_sub_src_finalize (GObject * object)
|
||||||
|
{
|
||||||
|
/* GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (object); */
|
||||||
|
|
||||||
|
/* clean up object here */
|
||||||
|
|
||||||
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static GstCaps *
|
||||||
|
gst_inter_sub_src_get_caps (GstBaseSrc * src)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "get_caps");
|
||||||
|
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_src_set_caps (GstBaseSrc * src, GstCaps * caps)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "set_caps");
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_src_negotiate (GstBaseSrc * src)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "negotiate");
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_src_newsegment (GstBaseSrc * src)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "newsegment");
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_src_start (GstBaseSrc * src)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "start");
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_src_stop (GstBaseSrc * src)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "stop");
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_inter_sub_src_get_times (GstBaseSrc * src, GstBuffer * buffer,
|
||||||
|
GstClockTime * start, GstClockTime * end)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "get_times");
|
||||||
|
|
||||||
|
/* for live sources, sync on the timestamp of the buffer */
|
||||||
|
if (gst_base_src_is_live (src)) {
|
||||||
|
GstClockTime timestamp = GST_BUFFER_TIMESTAMP (buffer);
|
||||||
|
|
||||||
|
if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
|
||||||
|
/* get duration to calculate end time */
|
||||||
|
GstClockTime duration = GST_BUFFER_DURATION (buffer);
|
||||||
|
|
||||||
|
if (GST_CLOCK_TIME_IS_VALID (duration)) {
|
||||||
|
*end = timestamp + duration;
|
||||||
|
}
|
||||||
|
*start = timestamp;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
*start = -1;
|
||||||
|
*end = -1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_src_is_seekable (GstBaseSrc * src)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "is_seekable");
|
||||||
|
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_src_unlock (GstBaseSrc * src)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "unlock");
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_src_event (GstBaseSrc * src, GstEvent * event)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "event");
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstFlowReturn
|
||||||
|
gst_inter_sub_src_create (GstBaseSrc * src, guint64 offset, guint size,
|
||||||
|
GstBuffer ** buf)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
GstBuffer *buffer;
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "create");
|
||||||
|
|
||||||
|
buffer = NULL;
|
||||||
|
|
||||||
|
g_mutex_lock (intersubsrc->surface->mutex);
|
||||||
|
if (intersubsrc->surface->sub_buffer) {
|
||||||
|
buffer = gst_buffer_ref (intersubsrc->surface->sub_buffer);
|
||||||
|
//intersubsrc->surface->sub_buffer_count++;
|
||||||
|
//if (intersubsrc->surface->sub_buffer_count >= 30) {
|
||||||
|
gst_buffer_unref (intersubsrc->surface->sub_buffer);
|
||||||
|
intersubsrc->surface->sub_buffer = NULL;
|
||||||
|
//}
|
||||||
|
}
|
||||||
|
g_mutex_unlock (intersubsrc->surface->mutex);
|
||||||
|
|
||||||
|
if (buffer == NULL) {
|
||||||
|
guint8 *data;
|
||||||
|
|
||||||
|
buffer = gst_buffer_new_and_alloc (1);
|
||||||
|
|
||||||
|
data = GST_BUFFER_DATA (buffer);
|
||||||
|
data[0] = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
buffer = gst_buffer_make_metadata_writable (buffer);
|
||||||
|
|
||||||
|
GST_BUFFER_TIMESTAMP (buffer) =
|
||||||
|
gst_util_uint64_scale_int (GST_SECOND, intersubsrc->n_frames,
|
||||||
|
intersubsrc->rate);
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "create ts %" GST_TIME_FORMAT,
|
||||||
|
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)));
|
||||||
|
GST_BUFFER_DURATION (buffer) =
|
||||||
|
gst_util_uint64_scale_int (GST_SECOND, (intersubsrc->n_frames + 1),
|
||||||
|
intersubsrc->rate) - GST_BUFFER_TIMESTAMP (buffer);
|
||||||
|
GST_BUFFER_OFFSET (buffer) = intersubsrc->n_frames;
|
||||||
|
GST_BUFFER_OFFSET_END (buffer) = -1;
|
||||||
|
GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DISCONT);
|
||||||
|
if (intersubsrc->n_frames == 0) {
|
||||||
|
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
|
||||||
|
}
|
||||||
|
gst_buffer_set_caps (buffer, GST_PAD_CAPS (GST_BASE_SRC_PAD (intersubsrc)));
|
||||||
|
intersubsrc->n_frames++;
|
||||||
|
|
||||||
|
*buf = buffer;
|
||||||
|
|
||||||
|
return GST_FLOW_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_src_do_seek (GstBaseSrc * src, GstSegment * segment)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "do_seek");
|
||||||
|
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_src_query (GstBaseSrc * src, GstQuery * query)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "query");
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_src_check_get_range (GstBaseSrc * src)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "get_range");
|
||||||
|
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_inter_sub_src_fixate (GstBaseSrc * src, GstCaps * caps)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "fixate");
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_src_unlock_stop (GstBaseSrc * src)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "stop");
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_inter_sub_src_prepare_seek_segment (GstBaseSrc * src, GstEvent * seek,
|
||||||
|
GstSegment * segment)
|
||||||
|
{
|
||||||
|
GstInterSubSrc *intersubsrc = GST_INTER_SUB_SRC (src);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (intersubsrc, "seek_segment");
|
||||||
|
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
57
gst/inter/gstintersubsrc.h
Normal file
57
gst/inter/gstintersubsrc.h
Normal file
|
|
@ -0,0 +1,57 @@
|
||||||
|
/* GStreamer
|
||||||
|
* Copyright (C) 2011 David Schleef <ds@entropywave.com>
|
||||||
|
*
|
||||||
|
* 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_INTER_SUB_SRC_H_
|
||||||
|
#define _GST_INTER_SUB_SRC_H_
|
||||||
|
|
||||||
|
#include <gst/base/gstbasesrc.h>
|
||||||
|
#include "gstintersurface.h"
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define GST_TYPE_INTER_SUB_SRC (gst_inter_sub_src_get_type())
|
||||||
|
#define GST_INTER_SUB_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_INTER_SUB_SRC,GstInterSubSrc))
|
||||||
|
#define GST_INTER_SUB_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_INTER_SUB_SRC,GstInterSubSrcClass))
|
||||||
|
#define GST_IS_INTER_SUB_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_INTER_SUB_SRC))
|
||||||
|
#define GST_IS_INTER_SUB_SRC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_INTER_SUB_SRC))
|
||||||
|
|
||||||
|
typedef struct _GstInterSubSrc GstInterSubSrc;
|
||||||
|
typedef struct _GstInterSubSrcClass GstInterSubSrcClass;
|
||||||
|
|
||||||
|
struct _GstInterSubSrc
|
||||||
|
{
|
||||||
|
GstBaseSrc base_intersubsrc;
|
||||||
|
|
||||||
|
GstPad *srcpad;
|
||||||
|
GstInterSurface *surface;
|
||||||
|
|
||||||
|
int rate;
|
||||||
|
int n_frames;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstInterSubSrcClass
|
||||||
|
{
|
||||||
|
GstBaseSrcClass base_intersubsrc_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gst_inter_sub_src_get_type (void);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -45,6 +45,7 @@ struct _GstInterSurface
|
||||||
int n_channels;
|
int n_channels;
|
||||||
|
|
||||||
GstBuffer *video_buffer;
|
GstBuffer *video_buffer;
|
||||||
|
GstBuffer *sub_buffer;
|
||||||
GstAdapter *audio_adapter;
|
GstAdapter *audio_adapter;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue