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port cutter
Original commit message from CVS: * configure.ac: * gst/cutter/Makefile.am: * gst/cutter/gstcutter.c: (gst_cutter_class_init), (gst_cutter_init), (gst_cutter_message_new), (gst_cutter_chain), (gst_cutter_set_property), (gst_cutter_get_property), (plugin_init), (gst_cutter_get_caps): port cutter * gst/level/gstlevel.c: fix up plugin details
This commit is contained in:
parent
3cbd39e022
commit
15c52996c2
5 changed files with 134 additions and 156 deletions
12
ChangeLog
12
ChangeLog
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@ -1,3 +1,15 @@
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2005-11-21 Thomas Vander Stichele <thomas at apestaart dot org>
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* configure.ac:
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* gst/cutter/Makefile.am:
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* gst/cutter/gstcutter.c: (gst_cutter_class_init),
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(gst_cutter_init), (gst_cutter_message_new), (gst_cutter_chain),
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(gst_cutter_set_property), (gst_cutter_get_property),
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(plugin_init), (gst_cutter_get_caps):
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port cutter
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* gst/level/gstlevel.c:
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fix up plugin details
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2005-11-21 Tim-Philipp Müller <tim at centricular dot net>
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2005-11-21 Tim-Philipp Müller <tim at centricular dot net>
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* ext/dv/gstdvdemux.c: (gst_dvdemux_handle_sink_event):
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* ext/dv/gstdvdemux.c: (gst_dvdemux_handle_sink_event):
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@ -77,6 +77,7 @@ GST_PLUGINS_ALL="\
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auparse \
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auparse \
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autodetect \
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autodetect \
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avi \
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avi \
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cutter \
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debug \
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debug \
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effectv \
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effectv \
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flx \
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flx \
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@ -526,6 +527,7 @@ gst/alpha/Makefile
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gst/auparse/Makefile
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gst/auparse/Makefile
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gst/autodetect/Makefile
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gst/autodetect/Makefile
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gst/avi/Makefile
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gst/avi/Makefile
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gst/cutter/Makefile
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gst/debug/Makefile
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gst/debug/Makefile
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gst/effectv/Makefile
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gst/effectv/Makefile
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gst/goom/Makefile
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gst/goom/Makefile
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@ -1,9 +1,8 @@
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plugin_LTLIBRARIES = libgstcutter.la
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plugin_LTLIBRARIES = libgstcutter.la
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libgstcutter_la_SOURCES = gstcutter.c
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libgstcutter_la_SOURCES = gstcutter.c
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libgstcutter_la_CFLAGS = $(GST_CFLAGS)
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libgstcutter_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS)
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libgstcutter_la_LIBADD = $(GST_LIBS)
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libgstcutter_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_MAJORMINOR) $(GST_BASE_LIBS)
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libgstcutter_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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libgstcutter_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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noinst_HEADERS = gstcutter.h filter.func
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noinst_HEADERS = gstcutter.h filter.func
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@ -1,5 +1,7 @@
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/* GStreamer
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) 2002,2003,2005
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* Thomas Vander Stichele <thomas at apestaart dot org>
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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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@ -25,7 +27,14 @@
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#include "gstcutter.h"
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#include "gstcutter.h"
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#include "math.h"
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#include "math.h"
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/* elementfactory information */
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GST_DEBUG_CATEGORY (cutter_debug);
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#define GST_CAT_DEFAULT cutter_debug
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#define CUTTER_DEFAULT_THRESHOLD_LEVEL 0.1
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#define CUTTER_DEFAULT_THRESHOLD_LENGTH (500 * GST_MSECOND)
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#define CUTTER_DEFAULT_PRE_LENGTH (200 * GST_MSECOND)
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static GstElementDetails cutter_details = {
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static GstElementDetails cutter_details = {
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"Cutter",
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"Cutter",
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"Filter/Editor/Audio",
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"Filter/Editor/Audio",
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@ -33,26 +42,6 @@ static GstElementDetails cutter_details = {
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"Thomas <thomas@apestaart.org>",
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"Thomas <thomas@apestaart.org>",
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};
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};
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/* Filter signals and args */
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enum
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{
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/* FILL ME */
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CUT_START,
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CUT_STOP,
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LAST_SIGNAL
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};
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enum
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{
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ARG_0,
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ARG_THRESHOLD,
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ARG_THRESHOLD_DB,
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ARG_RUN_LENGTH,
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ARG_PRE_LENGTH,
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ARG_LEAKY
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};
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static GstStaticPadTemplate cutter_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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static GstStaticPadTemplate cutter_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_PAD_ALWAYS,
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@ -68,46 +57,29 @@ static GstStaticPadTemplate cutter_sink_factory =
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GST_AUDIO_FLOAT_PAD_TEMPLATE_CAPS)
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GST_AUDIO_FLOAT_PAD_TEMPLATE_CAPS)
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);
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);
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static void gst_cutter_base_init (gpointer g_class);
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enum
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static void gst_cutter_class_init (GstCutterClass * klass);
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{
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static void gst_cutter_init (GstCutter * filter);
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PROP_0,
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PROP_THRESHOLD,
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PROP_THRESHOLD_DB,
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PROP_RUN_LENGTH,
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PROP_PRE_LENGTH,
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PROP_LEAKY
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};
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GST_BOILERPLATE (GstCutter, gst_cutter, GstElement, GST_TYPE_ELEMENT);
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static void gst_cutter_set_property (GObject * object, guint prop_id,
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static void gst_cutter_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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const GValue * value, GParamSpec * pspec);
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static void gst_cutter_get_property (GObject * object, guint prop_id,
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static void gst_cutter_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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GValue * value, GParamSpec * pspec);
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static void gst_cutter_chain (GstPad * pad, GstData * _data);
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static GstFlowReturn gst_cutter_chain (GstPad * pad, GstBuffer * buffer);
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static double inline gst_cutter_16bit_ms (gint16 * data, guint numsamples);
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static double inline gst_cutter_16bit_ms (gint16 * data, guint numsamples);
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static double inline gst_cutter_8bit_ms (gint8 * data, guint numsamples);
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static double inline gst_cutter_8bit_ms (gint8 * data, guint numsamples);
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void gst_cutter_get_caps (GstPad * pad, GstCutter * filter);
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void gst_cutter_get_caps (GstPad * pad, GstCutter * filter);
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static GstElementClass *parent_class = NULL;
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static guint gst_cutter_signals[LAST_SIGNAL] = { 0 };
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GType
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gst_cutter_get_type (void)
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{
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static GType cutter_type = 0;
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if (!cutter_type) {
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static const GTypeInfo cutter_info = {
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sizeof (GstCutterClass),
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gst_cutter_base_init,
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NULL,
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(GClassInitFunc) gst_cutter_class_init, NULL, NULL,
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sizeof (GstCutter), 0,
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(GInstanceInitFunc) gst_cutter_init,
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};
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cutter_type = g_type_register_static (GST_TYPE_ELEMENT, "GstCutter",
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&cutter_info, 0);
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}
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return cutter_type;
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}
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static void
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static void
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gst_cutter_base_init (gpointer g_class)
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gst_cutter_base_init (gpointer g_class)
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{
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{
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@ -120,20 +92,6 @@ gst_cutter_base_init (gpointer g_class)
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gst_element_class_set_details (element_class, &cutter_details);
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gst_element_class_set_details (element_class, &cutter_details);
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}
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}
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static GstPadLinkReturn
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gst_cutter_link (GstPad * pad, const GstCaps * caps)
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{
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GstCutter *filter;
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GstPad *otherpad;
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filter = GST_CUTTER (gst_pad_get_parent (pad));
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g_return_val_if_fail (filter != NULL, GST_PAD_LINK_REFUSED);
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g_return_val_if_fail (GST_IS_CUTTER (filter), GST_PAD_LINK_REFUSED);
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otherpad = (pad == filter->srcpad ? filter->sinkpad : filter->srcpad);
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return gst_pad_try_set_caps (otherpad, caps);
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}
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static void
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static void
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gst_cutter_class_init (GstCutterClass * klass)
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gst_cutter_class_init (GstCutterClass * klass)
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{
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{
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@ -143,46 +101,35 @@ gst_cutter_class_init (GstCutterClass * klass)
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gobject_class = (GObjectClass *) klass;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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gobject_class->set_property = gst_cutter_set_property;
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gobject_class->get_property = gst_cutter_get_property;
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_THRESHOLD,
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_THRESHOLD,
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g_param_spec_double ("threshold", "Threshold",
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g_param_spec_double ("threshold", "Threshold",
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"Volume threshold before trigger",
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"Volume threshold before trigger",
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-G_MAXDOUBLE, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE));
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-G_MAXDOUBLE, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_THRESHOLD_DB,
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_THRESHOLD_DB,
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g_param_spec_double ("threshold_dB", "Threshold (dB)",
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g_param_spec_double ("threshold-dB", "Threshold (dB)",
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"Volume threshold before trigger (in dB)",
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"Volume threshold before trigger (in dB)",
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-G_MAXDOUBLE, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE));
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-G_MAXDOUBLE, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_RUN_LENGTH,
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_RUN_LENGTH,
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g_param_spec_double ("runlength", "Runlength",
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g_param_spec_uint64 ("run-length", "Run length",
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"Length of drop below threshold before cut_stop (seconds)",
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"Length of drop below threshold before cut_stop (in nanoseconds)",
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0.0, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE));
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0, G_MAXUINT64, 0, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PRE_LENGTH,
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PRE_LENGTH,
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g_param_spec_double ("prelength", "prelength",
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g_param_spec_uint64 ("pre-length", "Pre-recording buffer length",
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"Length of pre-recording buffer (seconds)",
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"Length of pre-recording buffer (in nanoseconds)",
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0.0, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE));
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0, G_MAXUINT64, 0, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LEAKY,
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_LEAKY,
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g_param_spec_boolean ("leaky", "Leaky",
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g_param_spec_boolean ("leaky", "Leaky",
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"do we leak buffers when below threshold ?",
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"do we leak buffers when below threshold ?",
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FALSE, G_PARAM_READWRITE));
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FALSE, G_PARAM_READWRITE));
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gst_cutter_signals[CUT_START] =
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g_signal_new ("cut-start", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GstCutterClass, cut_start), NULL, NULL,
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g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
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gst_cutter_signals[CUT_STOP] =
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g_signal_new ("cut-stop", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GstCutterClass, cut_stop), NULL, NULL,
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g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
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GST_DEBUG_CATEGORY_INIT (cutter_debug, "cutter", 0, "Audio cutting");
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gobject_class->set_property = gst_cutter_set_property;
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gobject_class->get_property = gst_cutter_get_property;
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}
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}
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static void
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static void
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gst_cutter_init (GstCutter * filter)
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gst_cutter_init (GstCutter * filter, GstCutterClass * g_class)
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{
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{
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filter->sinkpad =
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filter->sinkpad =
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gst_pad_new_from_template (gst_static_pad_template_get
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gst_pad_new_from_template (gst_static_pad_template_get
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@ -191,28 +138,42 @@ gst_cutter_init (GstCutter * filter)
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gst_pad_new_from_template (gst_static_pad_template_get
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gst_pad_new_from_template (gst_static_pad_template_get
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(&cutter_src_factory), "src");
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(&cutter_src_factory), "src");
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filter->threshold_level = 0.1;
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filter->threshold_level = CUTTER_DEFAULT_THRESHOLD_LEVEL;
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filter->threshold_length = 0.5;
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filter->threshold_length = CUTTER_DEFAULT_THRESHOLD_LENGTH;
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filter->silent_run_length = 0.0;
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filter->silent_run_length = 0 * GST_SECOND;
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filter->silent = TRUE;
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filter->silent = TRUE;
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filter->pre_length = 0.2;
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filter->pre_length = CUTTER_DEFAULT_PRE_LENGTH;
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filter->pre_run_length = 0.0;
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filter->pre_run_length = 0 * GST_SECOND;
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filter->pre_buffer = NULL;
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filter->pre_buffer = NULL;
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filter->leaky = FALSE;
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filter->leaky = FALSE;
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gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
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gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
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gst_pad_set_chain_function (filter->sinkpad, gst_cutter_chain);
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gst_pad_set_chain_function (filter->sinkpad, gst_cutter_chain);
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gst_pad_set_link_function (filter->sinkpad, gst_cutter_link);
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gst_pad_use_fixed_caps (filter->sinkpad);
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gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
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gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
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/*gst_pad_set_link_function (filter->srcpad, gst_cutter_link); */
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gst_pad_use_fixed_caps (filter->srcpad);
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}
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}
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static void
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static GstMessage *
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gst_cutter_chain (GstPad * pad, GstData * _data)
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gst_cutter_message_new (GstCutter * c, gboolean above, GstClockTime timestamp)
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{
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GstStructure *s;
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GValue v = { 0, };
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g_value_init (&v, GST_TYPE_LIST);
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s = gst_structure_new ("cutter",
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"above", G_TYPE_BOOLEAN, above,
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"timestamp", GST_TYPE_CLOCK_TIME, timestamp, NULL);
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return gst_message_new_element (GST_OBJECT (c), s);
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}
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static GstFlowReturn
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gst_cutter_chain (GstPad * pad, GstBuffer * buf)
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{
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{
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GstBuffer *buf = GST_BUFFER (_data);
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GstCutter *filter;
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GstCutter *filter;
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gint16 *in_data;
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gint16 *in_data;
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double RMS = 0.0; /* RMS of signal in buffer */
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double RMS = 0.0; /* RMS of signal in buffer */
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@ -220,22 +181,25 @@ gst_cutter_chain (GstPad * pad, GstData * _data)
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static gboolean silent_prev = FALSE; /* previous value of silent */
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static gboolean silent_prev = FALSE; /* previous value of silent */
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GstBuffer *prebuf; /* pointer to a prebuffer element */
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GstBuffer *prebuf; /* pointer to a prebuffer element */
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g_return_if_fail (pad != NULL);
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g_return_val_if_fail (pad != NULL, GST_FLOW_ERROR);
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
|
||||||
g_return_if_fail (buf != NULL);
|
g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR);
|
||||||
|
|
||||||
filter = GST_CUTTER (GST_OBJECT_PARENT (pad));
|
filter = GST_CUTTER (GST_OBJECT_PARENT (pad));
|
||||||
g_return_if_fail (filter != NULL);
|
g_return_val_if_fail (filter != NULL, GST_FLOW_ERROR);
|
||||||
g_return_if_fail (GST_IS_CUTTER (filter));
|
g_return_val_if_fail (GST_IS_CUTTER (filter), GST_FLOW_ERROR);
|
||||||
|
|
||||||
if (gst_audio_is_buffer_framed (pad, buf) == FALSE)
|
if (gst_audio_is_buffer_framed (pad, buf) == FALSE) {
|
||||||
g_warning ("audio buffer is not framed !\n");
|
g_warning ("audio buffer is not framed !\n");
|
||||||
|
return GST_FLOW_ERROR;
|
||||||
|
}
|
||||||
|
|
||||||
if (!filter->have_caps)
|
if (!filter->have_caps)
|
||||||
gst_cutter_get_caps (pad, filter);
|
gst_cutter_get_caps (pad, filter);
|
||||||
|
|
||||||
in_data = (gint16 *) GST_BUFFER_DATA (buf);
|
in_data = (gint16 *) GST_BUFFER_DATA (buf);
|
||||||
GST_DEBUG ("length of prerec buffer: %.3f sec", filter->pre_run_length);
|
GST_LOG_OBJECT (filter, "length of prerec buffer: %" GST_TIME_FORMAT,
|
||||||
|
GST_TIME_ARGS (filter->pre_run_length));
|
||||||
|
|
||||||
/* calculate mean square value on buffer */
|
/* calculate mean square value on buffer */
|
||||||
switch (filter->width) {
|
switch (filter->width) {
|
||||||
|
@ -247,8 +211,7 @@ gst_cutter_chain (GstPad * pad, GstData * _data)
|
||||||
break;
|
break;
|
||||||
default:
|
default:
|
||||||
/* this shouldn't happen */
|
/* this shouldn't happen */
|
||||||
g_print ("WARNING: no mean square function for width %d\n",
|
g_warning ("no mean square function for width %d\n", filter->width);
|
||||||
filter->width);
|
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -258,12 +221,13 @@ gst_cutter_chain (GstPad * pad, GstData * _data)
|
||||||
/* if RMS below threshold, add buffer length to silent run length count
|
/* if RMS below threshold, add buffer length to silent run length count
|
||||||
* if not, reset
|
* if not, reset
|
||||||
*/
|
*/
|
||||||
GST_DEBUG ("buffer stats: ms %f, RMS %f, audio length %f",
|
GST_LOG_OBJECT (filter, "buffer stats: ms %f, RMS %f, audio length %f",
|
||||||
ms, RMS, gst_audio_length (filter->srcpad, buf));
|
ms, RMS, gst_audio_duration_from_pad_buffer (filter->sinkpad, buf));
|
||||||
if (RMS < filter->threshold_level)
|
if (RMS < filter->threshold_level)
|
||||||
filter->silent_run_length += gst_audio_length (filter->srcpad, buf);
|
filter->silent_run_length +=
|
||||||
|
gst_audio_duration_from_pad_buffer (filter->sinkpad, buf);
|
||||||
else {
|
else {
|
||||||
filter->silent_run_length = 0.0;
|
filter->silent_run_length = 0 * GST_SECOND;
|
||||||
filter->silent = FALSE;
|
filter->silent = FALSE;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -276,23 +240,28 @@ gst_cutter_chain (GstPad * pad, GstData * _data)
|
||||||
*/
|
*/
|
||||||
if (filter->silent != silent_prev) {
|
if (filter->silent != silent_prev) {
|
||||||
if (filter->silent) {
|
if (filter->silent) {
|
||||||
/* g_print ("DEBUG: cutter: cut to here, turning off out\n"); */
|
GstMessage *m =
|
||||||
g_signal_emit (G_OBJECT (filter), gst_cutter_signals[CUT_STOP], 0);
|
gst_cutter_message_new (filter, FALSE, GST_BUFFER_TIMESTAMP (buf));
|
||||||
|
GST_DEBUG_OBJECT (filter, "signaling CUT_STOP");
|
||||||
|
gst_element_post_message (GST_ELEMENT (filter), m);
|
||||||
} else {
|
} else {
|
||||||
gint count = 0;
|
gint count = 0;
|
||||||
|
GstMessage *m =
|
||||||
|
gst_cutter_message_new (filter, TRUE, GST_BUFFER_TIMESTAMP (buf));
|
||||||
|
|
||||||
/* g_print ("DEBUG: cutter: start from here, turning on out\n"); */
|
GST_DEBUG_OBJECT (filter, "signaling CUT_START");
|
||||||
|
gst_element_post_message (GST_ELEMENT (filter), m);
|
||||||
/* first of all, flush current buffer */
|
/* first of all, flush current buffer */
|
||||||
g_signal_emit (G_OBJECT (filter), gst_cutter_signals[CUT_START], 0);
|
GST_DEBUG_OBJECT (filter, "flushing buffer of length %" GST_TIME_FORMAT,
|
||||||
GST_DEBUG ("flushing buffer of length %.3f", filter->pre_run_length);
|
GST_TIME_ARGS (filter->pre_run_length));
|
||||||
while (filter->pre_buffer) {
|
while (filter->pre_buffer) {
|
||||||
prebuf = (g_list_first (filter->pre_buffer))->data;
|
prebuf = (g_list_first (filter->pre_buffer))->data;
|
||||||
filter->pre_buffer = g_list_remove (filter->pre_buffer, prebuf);
|
filter->pre_buffer = g_list_remove (filter->pre_buffer, prebuf);
|
||||||
gst_pad_push (filter->srcpad, GST_DATA (prebuf));
|
gst_pad_push (filter->srcpad, prebuf);
|
||||||
++count;
|
++count;
|
||||||
}
|
}
|
||||||
GST_DEBUG ("flushed %d buffers", count);
|
GST_DEBUG_OBJECT (filter, "flushed %d buffers", count);
|
||||||
filter->pre_run_length = 0.0;
|
filter->pre_run_length = 0 * GST_SECOND;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
/* now check if we have to send the new buffer to the internal buffer cache
|
/* now check if we have to send the new buffer to the internal buffer cache
|
||||||
|
@ -306,20 +275,22 @@ gst_cutter_chain (GstPad * pad, GstData * _data)
|
||||||
gst_buffer_ref (buf);
|
gst_buffer_ref (buf);
|
||||||
*/
|
*/
|
||||||
filter->pre_buffer = g_list_append (filter->pre_buffer, buf);
|
filter->pre_buffer = g_list_append (filter->pre_buffer, buf);
|
||||||
filter->pre_run_length += gst_audio_length (filter->srcpad, buf);
|
filter->pre_run_length +=
|
||||||
|
gst_audio_duration_from_pad_buffer (filter->sinkpad, buf);
|
||||||
while (filter->pre_run_length > filter->pre_length) {
|
while (filter->pre_run_length > filter->pre_length) {
|
||||||
prebuf = (g_list_first (filter->pre_buffer))->data;
|
prebuf = (g_list_first (filter->pre_buffer))->data;
|
||||||
g_assert (GST_IS_BUFFER (prebuf));
|
g_assert (GST_IS_BUFFER (prebuf));
|
||||||
filter->pre_buffer = g_list_remove (filter->pre_buffer, prebuf);
|
filter->pre_buffer = g_list_remove (filter->pre_buffer, prebuf);
|
||||||
filter->pre_run_length -= gst_audio_length (filter->srcpad, prebuf);
|
filter->pre_run_length -=
|
||||||
|
gst_audio_duration_from_pad_buffer (filter->sinkpad, prebuf);
|
||||||
/* only pass buffers if we don't leak */
|
/* only pass buffers if we don't leak */
|
||||||
if (!filter->leaky)
|
if (!filter->leaky)
|
||||||
gst_pad_push (filter->srcpad, GST_DATA (prebuf));
|
gst_pad_push (filter->srcpad, prebuf);
|
||||||
/* we unref it after getting it out of the pre_buffer */
|
|
||||||
gst_buffer_unref (prebuf);
|
|
||||||
}
|
}
|
||||||
} else
|
} else
|
||||||
gst_pad_push (filter->srcpad, GST_DATA (buf));
|
gst_pad_push (filter->srcpad, buf);
|
||||||
|
|
||||||
|
return GST_FLOW_OK;
|
||||||
}
|
}
|
||||||
|
|
||||||
static double inline
|
static double inline
|
||||||
|
@ -337,12 +308,12 @@ gst_cutter_16bit_ms (gint16 * data, guint num_samples)
|
||||||
filter = GST_CUTTER (object);
|
filter = GST_CUTTER (object);
|
||||||
|
|
||||||
switch (prop_id) {
|
switch (prop_id) {
|
||||||
case ARG_THRESHOLD:
|
case PROP_THRESHOLD:
|
||||||
/* set the level */
|
/* set the level */
|
||||||
filter->threshold_level = g_value_get_double (value);
|
filter->threshold_level = g_value_get_double (value);
|
||||||
GST_DEBUG ("DEBUG: set threshold level to %f", filter->threshold_level);
|
GST_DEBUG ("DEBUG: set threshold level to %f", filter->threshold_level);
|
||||||
break;
|
break;
|
||||||
case ARG_THRESHOLD_DB:
|
case PROP_THRESHOLD_DB:
|
||||||
/* set the level given in dB
|
/* set the level given in dB
|
||||||
* value in dB = 20 * log (value)
|
* value in dB = 20 * log (value)
|
||||||
* values in dB < 0 result in values between 0 and 1
|
* values in dB < 0 result in values between 0 and 1
|
||||||
|
@ -350,15 +321,15 @@ gst_cutter_16bit_ms (gint16 * data, guint num_samples)
|
||||||
filter->threshold_level = pow (10, g_value_get_double (value) / 20);
|
filter->threshold_level = pow (10, g_value_get_double (value) / 20);
|
||||||
GST_DEBUG ("DEBUG: set threshold level to %f", filter->threshold_level);
|
GST_DEBUG ("DEBUG: set threshold level to %f", filter->threshold_level);
|
||||||
break;
|
break;
|
||||||
case ARG_RUN_LENGTH:
|
case PROP_RUN_LENGTH:
|
||||||
/* set the minimum length of the silent run required */
|
/* set the minimum length of the silent run required */
|
||||||
filter->threshold_length = g_value_get_double (value);
|
filter->threshold_length = g_value_get_uint64 (value);
|
||||||
break;
|
break;
|
||||||
case ARG_PRE_LENGTH:
|
case PROP_PRE_LENGTH:
|
||||||
/* set the length of the pre-record block */
|
/* set the length of the pre-record block */
|
||||||
filter->pre_length = g_value_get_double (value);
|
filter->pre_length = g_value_get_uint64 (value);
|
||||||
break;
|
break;
|
||||||
case ARG_LEAKY:
|
case PROP_LEAKY:
|
||||||
/* set if the pre-record buffer is leaky or not */
|
/* set if the pre-record buffer is leaky or not */
|
||||||
filter->leaky = g_value_get_boolean (value);
|
filter->leaky = g_value_get_boolean (value);
|
||||||
break;
|
break;
|
||||||
|
@ -378,19 +349,19 @@ gst_cutter_get_property (GObject * object, guint prop_id,
|
||||||
filter = GST_CUTTER (object);
|
filter = GST_CUTTER (object);
|
||||||
|
|
||||||
switch (prop_id) {
|
switch (prop_id) {
|
||||||
case ARG_RUN_LENGTH:
|
case PROP_RUN_LENGTH:
|
||||||
g_value_set_double (value, filter->threshold_length);
|
g_value_set_uint64 (value, filter->threshold_length);
|
||||||
break;
|
break;
|
||||||
case ARG_THRESHOLD:
|
case PROP_THRESHOLD:
|
||||||
g_value_set_double (value, filter->threshold_level);
|
g_value_set_double (value, filter->threshold_level);
|
||||||
break;
|
break;
|
||||||
case ARG_THRESHOLD_DB:
|
case PROP_THRESHOLD_DB:
|
||||||
g_value_set_double (value, 20 * log (filter->threshold_level));
|
g_value_set_double (value, 20 * log (filter->threshold_level));
|
||||||
break;
|
break;
|
||||||
case ARG_PRE_LENGTH:
|
case PROP_PRE_LENGTH:
|
||||||
g_value_set_double (value, filter->pre_length);
|
g_value_set_uint64 (value, filter->pre_length);
|
||||||
break;
|
break;
|
||||||
case ARG_LEAKY:
|
case PROP_LEAKY:
|
||||||
g_value_set_boolean (value, filter->leaky);
|
g_value_set_boolean (value, filter->leaky);
|
||||||
break;
|
break;
|
||||||
default:
|
default:
|
||||||
|
@ -402,10 +373,6 @@ gst_cutter_get_property (GObject * object, guint prop_id,
|
||||||
static gboolean
|
static gboolean
|
||||||
plugin_init (GstPlugin * plugin)
|
plugin_init (GstPlugin * plugin)
|
||||||
{
|
{
|
||||||
/* load audio support library */
|
|
||||||
if (!gst_library_load ("gstaudio"))
|
|
||||||
return FALSE;
|
|
||||||
|
|
||||||
if (!gst_element_register (plugin, "cutter", GST_RANK_NONE, GST_TYPE_CUTTER))
|
if (!gst_element_register (plugin, "cutter", GST_RANK_NONE, GST_TYPE_CUTTER))
|
||||||
return FALSE;
|
return FALSE;
|
||||||
|
|
||||||
|
@ -416,9 +383,11 @@ GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||||
GST_VERSION_MINOR,
|
GST_VERSION_MINOR,
|
||||||
"cutter",
|
"cutter",
|
||||||
"Audio Cutter to split audio into non-silent bits",
|
"Audio Cutter to split audio into non-silent bits",
|
||||||
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
|
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
|
||||||
|
|
||||||
void gst_cutter_get_caps (GstPad * pad, GstCutter * filter)
|
|
||||||
|
void
|
||||||
|
gst_cutter_get_caps (GstPad * pad, GstCutter * filter)
|
||||||
{
|
{
|
||||||
const GstCaps *caps = NULL;
|
const GstCaps *caps = NULL;
|
||||||
GstStructure *structure;
|
GstStructure *structure;
|
||||||
|
@ -426,8 +395,6 @@ GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||||
caps = GST_PAD_CAPS (pad);
|
caps = GST_PAD_CAPS (pad);
|
||||||
/* FIXME : Please change this to a better warning method ! */
|
/* FIXME : Please change this to a better warning method ! */
|
||||||
g_assert (caps != NULL);
|
g_assert (caps != NULL);
|
||||||
if (caps == NULL)
|
|
||||||
printf ("WARNING: get_caps: Could not get caps of pad !\n");
|
|
||||||
structure = gst_caps_get_structure (caps, 0);
|
structure = gst_caps_get_structure (caps, 0);
|
||||||
gst_structure_get_int (structure, "width", &filter->width);
|
gst_structure_get_int (structure, "width", &filter->width);
|
||||||
filter->max_sample = gst_audio_highest_sample_value (pad);
|
filter->max_sample = gst_audio_highest_sample_value (pad);
|
||||||
|
|
|
@ -90,7 +90,7 @@ static GstElementDetails level_details = {
|
||||||
"Level",
|
"Level",
|
||||||
"Filter/Analyzer/Audio",
|
"Filter/Analyzer/Audio",
|
||||||
"RMS/Peak/Decaying Peak Level messager for audio/raw",
|
"RMS/Peak/Decaying Peak Level messager for audio/raw",
|
||||||
"Thomas <thomas@apestaart.org>"
|
"Thomas Vander Stichele <thomas at apestaart dot org>"
|
||||||
};
|
};
|
||||||
|
|
||||||
static GstStaticPadTemplate sink_template_factory =
|
static GstStaticPadTemplate sink_template_factory =
|
||||||
|
@ -117,7 +117,6 @@ GST_STATIC_PAD_TEMPLATE ("src",
|
||||||
"depth = (int) { 8, 16 }, " "signed = (boolean) true")
|
"depth = (int) { 8, 16 }, " "signed = (boolean) true")
|
||||||
);
|
);
|
||||||
|
|
||||||
|
|
||||||
enum
|
enum
|
||||||
{
|
{
|
||||||
PROP_0,
|
PROP_0,
|
||||||
|
@ -127,7 +126,6 @@ enum
|
||||||
PROP_PEAK_FALLOFF
|
PROP_PEAK_FALLOFF
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
||||||
GST_BOILERPLATE (GstLevel, gst_level, GstBaseTransform,
|
GST_BOILERPLATE (GstLevel, gst_level, GstBaseTransform,
|
||||||
GST_TYPE_BASE_TRANSFORM);
|
GST_TYPE_BASE_TRANSFORM);
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue