mirror of
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2affd3d483
Original commit message from CVS: * docs/plugins/Makefile.am: * docs/plugins/gst-plugins-bad-plugins-docs.sgml: * docs/plugins/gst-plugins-bad-plugins-sections.txt: * docs/plugins/gst-plugins-bad-plugins.args: * docs/plugins/gst-plugins-bad-plugins.hierarchy: * docs/plugins/gst-plugins-bad-plugins.interfaces: * docs/plugins/gst-plugins-bad-plugins.prerequisites: * docs/plugins/gst-plugins-bad-plugins.signals: * docs/plugins/inspect/plugin-alsaspdif.xml: * docs/plugins/inspect/plugin-amrwb.xml: * docs/plugins/inspect/plugin-app.xml: * docs/plugins/inspect/plugin-bayer.xml: * docs/plugins/inspect/plugin-bz2.xml: * docs/plugins/inspect/plugin-cdaudio.xml: * docs/plugins/inspect/plugin-cdxaparse.xml: * docs/plugins/inspect/plugin-dtsdec.xml: * docs/plugins/inspect/plugin-dvb.xml: * docs/plugins/inspect/plugin-dvdspu.xml: * docs/plugins/inspect/plugin-faac.xml: * docs/plugins/inspect/plugin-faad.xml: * docs/plugins/inspect/plugin-fbdevsink.xml: * docs/plugins/inspect/plugin-festival.xml: * docs/plugins/inspect/plugin-filter.xml: * docs/plugins/inspect/plugin-flvdemux.xml: * docs/plugins/inspect/plugin-freeze.xml: * docs/plugins/inspect/plugin-gsm.xml: * docs/plugins/inspect/plugin-gstinterlace.xml: * docs/plugins/inspect/plugin-gstrtpmanager.xml: * docs/plugins/inspect/plugin-h264parse.xml: * docs/plugins/inspect/plugin-interleave.xml: * docs/plugins/inspect/plugin-jack.xml: * docs/plugins/inspect/plugin-ladspa.xml: * docs/plugins/inspect/plugin-metadata.xml: * docs/plugins/inspect/plugin-mms.xml: * docs/plugins/inspect/plugin-modplug.xml: * docs/plugins/inspect/plugin-mpeg2enc.xml: * docs/plugins/inspect/plugin-mpeg4videoparse.xml: * docs/plugins/inspect/plugin-mpegtsparse.xml: * docs/plugins/inspect/plugin-mpegvideoparse.xml: * docs/plugins/inspect/plugin-musepack.xml: * docs/plugins/inspect/plugin-musicbrainz.xml: * docs/plugins/inspect/plugin-mve.xml: * docs/plugins/inspect/plugin-mythtv.xml * docs/plugins/inspect/plugin-nas.xml: * docs/plugins/inspect/plugin-neon.xml: * docs/plugins/inspect/plugin-nsfdec.xml: * docs/plugins/inspect/plugin-nuvdemux.xml: * docs/plugins/inspect/plugin-oss4.xml * docs/plugins/inspect/plugin-rawparse.xml: * docs/plugins/inspect/plugin-real.xml: * docs/plugins/inspect/plugin-replaygain.xml: * docs/plugins/inspect/plugin-rfbsrc.xml: * docs/plugins/inspect/plugin-sdl.xml: * docs/plugins/inspect/plugin-sdp.xml: * docs/plugins/inspect/plugin-selector.xml: * docs/plugins/inspect/plugin-sndfile.xml: * docs/plugins/inspect/plugin-soundtouch.xml: * docs/plugins/inspect/plugin-spcdec.xml: * docs/plugins/inspect/plugin-speed.xml: * docs/plugins/inspect/plugin-speexresample.xml: * docs/plugins/inspect/plugin-stereo.xml: * docs/plugins/inspect/plugin-subenc.xml * docs/plugins/inspect/plugin-timidity.xml: * docs/plugins/inspect/plugin-tta.xml: * docs/plugins/inspect/plugin-vcdsrc.xml: * docs/plugins/inspect/plugin-videosignal.xml: * docs/plugins/inspect/plugin-vmnc.xml: * docs/plugins/inspect/plugin-wildmidi.xml: * docs/plugins/inspect/plugin-x264.xml: * docs/plugins/inspect/plugin-xvid.xml: * docs/plugins/inspect/plugin-y4menc.xml: * ext/amrwb/gstamrwbdec.c: * ext/amrwb/gstamrwbenc.c: * ext/amrwb/gstamrwbparse.c: * ext/dc1394/gstdc1394.c: * ext/directfb/dfbvideosink.c: * ext/ivorbis/vorbisdec.c: * ext/jack/gstjackaudiosink.c: * ext/mpeg2enc/gstmpeg2enc.cc: * ext/mplex/gstmplex.cc: * ext/musicbrainz/gsttrm.c: * ext/mythtv/gstmythtvsrc.c: * ext/theora/theoradec.c: * ext/timidity/gsttimidity.c: * ext/timidity/gstwildmidi.c: * gst-libs/gst/app/gstappsink.c: * gst/deinterlace/gstdeinterlace.c: * gst/dvdspu/gstdvdspu.c: * gst/festival/gstfestival.c: * gst/freeze/gstfreeze.c: * gst/interleave/deinterleave.c: * gst/interleave/interleave.c: * gst/modplug/gstmodplug.cc: * gst/nuvdemux/gstnuvdemux.c: Add missing elements to docs. Fix doc-markup: use convinience syntax for examples (produces valid docbook), add several refsec2 when we have several titles. Fix some types.
838 lines
24 KiB
C++
838 lines
24 KiB
C++
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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Code based on modplugxmms
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XMMS plugin:
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Kenton Varda <temporal@gauge3d.org>
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Sound Engine:
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Olivier Lapicque <olivierl@jps.net>
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*/
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/**
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* SECTION:element-modplug
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*
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* Modplug uses the <ulink url="http://modplug-xmms.sourceforge.net/">modplug</ulink>
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* library to decode tracked music in the MOD/S3M/XM/IT and related formats.
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*
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* <refsect2>
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* <title>Example pipeline</title>
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* |[
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* gst-launch -v filesrc location=1990s-nostalgia.xm ! modplug ! audioconvert ! alsasink
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* ]| Play a FastTracker xm file.
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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 "libmodplug/stdafx.h"
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#include "libmodplug/sndfile.h"
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#include "gstmodplug.h"
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#include <gst/gst.h>
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#include <stdlib.h>
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#include <gst/audio/audio.h>
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GST_DEBUG_CATEGORY_STATIC (modplug_debug);
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#define GST_CAT_DEFAULT modplug_debug
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enum
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{
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ARG_0,
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ARG_SONGNAME,
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ARG_REVERB,
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ARG_REVERB_DEPTH,
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ARG_REVERB_DELAY,
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ARG_MEGABASS,
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ARG_MEGABASS_AMOUNT,
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ARG_MEGABASS_RANGE,
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ARG_NOISE_REDUCTION,
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ARG_SURROUND,
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ARG_SURROUND_DEPTH,
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ARG_SURROUND_DELAY,
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ARG_OVERSAMP
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};
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#define DEFAULT_REVERB FALSE
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#define DEFAULT_REVERB_DEPTH 30
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#define DEFAULT_REVERB_DELAY 100
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#define DEFAULT_MEGABASS FALSE
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#define DEFAULT_MEGABASS_AMOUNT 40
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#define DEFAULT_MEGABASS_RANGE 30
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#define DEFAULT_SURROUND TRUE
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#define DEFAULT_SURROUND_DEPTH 20
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#define DEFAULT_SURROUND_DELAY 20
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#define DEFAULT_OVERSAMP TRUE
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#define DEFAULT_NOISE_REDUCTION TRUE
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static GstStaticPadTemplate modplug_src_template_factory =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-int,"
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" endianness = (int) BYTE_ORDER,"
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" signed = (boolean) true,"
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" width = (int) 16,"
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" depth = (int) 16,"
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" rate = (int) { 8000, 11025, 22050, 44100 },"
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" channels = (int) 2; "
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"audio/x-raw-int,"
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" endianness = (int) BYTE_ORDER,"
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" signed = (boolean) false,"
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" width = (int) 8,"
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" depth = (int) 8,"
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" rate = (int) { 8000, 11025, 22050, 44100 }, "
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" channels = (int) [ 1, 2 ]"));
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static GstStaticPadTemplate modplug_sink_template_factory =
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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 ("audio/x-mod; audio/x-xm; audio/x-it; audio/x-s3m; "
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"audio/x-stm"));
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static void gst_modplug_dispose (GObject * object);
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static void gst_modplug_set_property (GObject * object,
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guint id, const GValue * value, GParamSpec * pspec);
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static void gst_modplug_get_property (GObject * object,
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guint id, GValue * value, GParamSpec * pspec);
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static void gst_modplug_fixate (GstPad * pad, GstCaps * caps);
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static const GstQueryType *gst_modplug_get_query_types (GstPad * pad);
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static gboolean gst_modplug_src_event (GstPad * pad, GstEvent * event);
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static gboolean gst_modplug_src_query (GstPad * pad, GstQuery * query);
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static GstStateChangeReturn gst_modplug_change_state (GstElement * element,
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GstStateChange transition);
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static gboolean gst_modplug_sinkpad_activate (GstPad * pad);
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static gboolean gst_modplug_sinkpad_activate_pull (GstPad * pad,
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gboolean active);
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static void gst_modplug_loop (GstModPlug * element);
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GST_BOILERPLATE (GstModPlug, gst_modplug, GstElement, GST_TYPE_ELEMENT);
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static void
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gst_modplug_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 (&modplug_sink_template_factory));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&modplug_src_template_factory));
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gst_element_class_set_details_simple (element_class, "ModPlug",
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"Codec/Decoder/Audio", "Module decoder based on modplug engine",
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"Jeremy SIMON <jsimon13@yahoo.fr>");
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GST_DEBUG_CATEGORY_INIT (modplug_debug, "modplug", 0, "ModPlug element");
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}
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static void
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gst_modplug_class_init (GstModPlugClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gobject_class->set_property = gst_modplug_set_property;
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gobject_class->get_property = gst_modplug_get_property;
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gobject_class->dispose = gst_modplug_dispose;
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SONGNAME,
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g_param_spec_string ("songname", "Songname", "The song name",
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NULL, G_PARAM_READABLE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_REVERB,
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g_param_spec_boolean ("reverb", "reverb", "Reverb",
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DEFAULT_REVERB, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_REVERB_DEPTH,
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g_param_spec_int ("reverb-depth", "reverb depth", "Reverb depth",
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0, 100, DEFAULT_REVERB_DEPTH, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_REVERB_DELAY,
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g_param_spec_int ("reverb-delay", "reverb delay", "Reverb delay",
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0, 200, DEFAULT_REVERB_DELAY, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MEGABASS,
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g_param_spec_boolean ("megabass", "megabass", "Megabass",
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DEFAULT_MEGABASS, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MEGABASS_AMOUNT,
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g_param_spec_int ("megabass-amount", "megabass amount", "Megabass amount",
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0, 100, DEFAULT_MEGABASS_AMOUNT, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MEGABASS_RANGE,
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g_param_spec_int ("megabass-range", "megabass range", "Megabass range",
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0, 100, DEFAULT_MEGABASS_RANGE, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SURROUND,
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g_param_spec_boolean ("surround", "surround", "Surround",
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DEFAULT_SURROUND, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SURROUND_DEPTH,
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g_param_spec_int ("surround-depth", "surround depth", "Surround depth",
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0, 100, DEFAULT_SURROUND_DEPTH, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SURROUND_DELAY,
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g_param_spec_int ("surround-delay", "surround delay", "Surround delay",
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0, 40, DEFAULT_SURROUND_DELAY, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_OVERSAMP,
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g_param_spec_boolean ("oversamp", "oversamp", "oversamp",
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DEFAULT_OVERSAMP, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_NOISE_REDUCTION,
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g_param_spec_boolean ("noise-reduction", "noise reduction",
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"noise reduction", DEFAULT_NOISE_REDUCTION,
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(GParamFlags) G_PARAM_READWRITE));
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gstelement_class->change_state = gst_modplug_change_state;
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}
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static void
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gst_modplug_init (GstModPlug * modplug, GstModPlugClass * klass)
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{
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/* create the sink and src pads */
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modplug->sinkpad =
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gst_pad_new_from_static_template (&modplug_sink_template_factory, "sink");
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gst_pad_set_activate_function (modplug->sinkpad,
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GST_DEBUG_FUNCPTR (gst_modplug_sinkpad_activate));
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gst_pad_set_activatepull_function (modplug->sinkpad,
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GST_DEBUG_FUNCPTR (gst_modplug_sinkpad_activate_pull));
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gst_element_add_pad (GST_ELEMENT (modplug), modplug->sinkpad);
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modplug->srcpad =
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gst_pad_new_from_static_template (&modplug_src_template_factory, "src");
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gst_pad_set_fixatecaps_function (modplug->srcpad,
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GST_DEBUG_FUNCPTR (gst_modplug_fixate));
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gst_pad_set_event_function (modplug->srcpad,
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GST_DEBUG_FUNCPTR (gst_modplug_src_event));
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gst_pad_set_query_function (modplug->srcpad,
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GST_DEBUG_FUNCPTR (gst_modplug_src_query));
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gst_pad_set_query_type_function (modplug->srcpad,
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GST_DEBUG_FUNCPTR (gst_modplug_get_query_types));
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gst_element_add_pad (GST_ELEMENT (modplug), modplug->srcpad);
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modplug->reverb = DEFAULT_REVERB;
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modplug->reverb_depth = DEFAULT_REVERB_DEPTH;
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modplug->reverb_delay = DEFAULT_REVERB_DELAY;
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modplug->megabass = DEFAULT_MEGABASS;
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modplug->megabass_amount = DEFAULT_MEGABASS_AMOUNT;
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modplug->megabass_range = DEFAULT_MEGABASS_RANGE;
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modplug->surround = DEFAULT_SURROUND;
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modplug->surround_depth = DEFAULT_SURROUND_DEPTH;
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modplug->surround_delay = DEFAULT_SURROUND_DELAY;
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modplug->oversamp = DEFAULT_OVERSAMP;
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modplug->noise_reduction = DEFAULT_NOISE_REDUCTION;
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modplug->_16bit = TRUE;
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modplug->channel = 2;
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modplug->frequency = 44100;
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}
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static void
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gst_modplug_dispose (GObject * object)
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{
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GstModPlug *modplug = GST_MODPLUG (object);
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G_OBJECT_CLASS (parent_class)->dispose (object);
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if (modplug->buffer) {
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gst_buffer_unref (modplug->buffer);
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modplug->buffer = NULL;
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}
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}
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static const GstQueryType *
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gst_modplug_get_query_types (GstPad * pad)
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{
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static const GstQueryType gst_modplug_src_query_types[] = {
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GST_QUERY_DURATION,
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GST_QUERY_POSITION,
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(GstQueryType) 0
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};
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return gst_modplug_src_query_types;
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}
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static gboolean
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gst_modplug_src_query (GstPad * pad, GstQuery * query)
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{
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GstModPlug *modplug;
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gboolean res = FALSE;
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modplug = GST_MODPLUG (gst_pad_get_parent (pad));
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if (!modplug->mSoundFile)
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goto done;
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switch (GST_QUERY_TYPE (query)) {
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case GST_QUERY_DURATION:
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{
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GstFormat format;
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gst_query_parse_duration (query, &format, NULL);
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if (format == GST_FORMAT_TIME) {
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gst_query_set_duration (query, format, modplug->song_length);
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res = TRUE;
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}
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}
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break;
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case GST_QUERY_POSITION:
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{
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GstFormat format;
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gst_query_parse_position (query, &format, NULL);
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if (format == GST_FORMAT_TIME) {
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gint64 pos;
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pos = (modplug->song_length * modplug->mSoundFile->GetCurrentPos ());
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pos /= modplug->mSoundFile->GetMaxPosition ();
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gst_query_set_position (query, format, pos);
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res = TRUE;
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}
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}
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break;
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default:
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res = gst_pad_query_default (pad, query);
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break;
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}
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done:
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gst_object_unref (modplug);
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return res;
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}
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static gboolean
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gst_modplug_src_event (GstPad * pad, GstEvent * event)
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{
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GstModPlug *modplug;
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gboolean res = FALSE;
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modplug = GST_MODPLUG (gst_pad_get_parent (pad));
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_SEEK:
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{
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gdouble rate;
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GstFormat format;
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GstSeekFlags flags;
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GstSeekType cur_type, stop_type;
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gboolean flush;
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gint64 cur, stop;
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guint64 timestamp;
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if (modplug->frequency == 0) {
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GST_DEBUG_OBJECT (modplug, "no song loaded yet");
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break;
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}
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timestamp = gst_util_uint64_scale_int (modplug->offset, GST_SECOND,
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modplug->frequency);
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gst_event_parse_seek (event, &rate, &format, &flags,
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&cur_type, &cur, &stop_type, &stop);
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if (format != GST_FORMAT_TIME) {
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GST_DEBUG_OBJECT (modplug, "seeking is only supported in TIME format");
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gst_event_unref (event);
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break;
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|
}
|
|
|
|
/* FIXME: we should be using GstSegment for all this */
|
|
if (cur_type != GST_SEEK_TYPE_SET || stop_type != GST_SEEK_TYPE_NONE) {
|
|
GST_DEBUG_OBJECT (modplug, "unsupported seek type");
|
|
gst_event_unref (event);
|
|
break;
|
|
}
|
|
|
|
if (stop_type == GST_SEEK_TYPE_NONE)
|
|
stop = GST_CLOCK_TIME_NONE;
|
|
|
|
cur = CLAMP (cur, 0, modplug->song_length);
|
|
|
|
GST_DEBUG_OBJECT (modplug, "seek to %" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS ((guint64) cur));
|
|
|
|
modplug->seek_at = cur;
|
|
|
|
flush = ((flags & GST_SEEK_FLAG_FLUSH) == GST_SEEK_FLAG_FLUSH);
|
|
|
|
if (flush) {
|
|
gst_pad_push_event (modplug->srcpad, gst_event_new_flush_start ());
|
|
} else {
|
|
gst_pad_stop_task (modplug->sinkpad);
|
|
}
|
|
|
|
GST_PAD_STREAM_LOCK (modplug->sinkpad);
|
|
|
|
if (flags & GST_SEEK_FLAG_SEGMENT) {
|
|
gst_element_post_message (GST_ELEMENT (modplug),
|
|
gst_message_new_segment_start (GST_OBJECT (modplug), format, cur));
|
|
}
|
|
if (stop == -1 && modplug->song_length > 0)
|
|
stop = modplug->song_length;
|
|
|
|
if (flush) {
|
|
gst_pad_push_event (modplug->srcpad, gst_event_new_flush_stop ());
|
|
}
|
|
|
|
GST_LOG_OBJECT (modplug, "sending newsegment from %" GST_TIME_FORMAT "-%"
|
|
GST_TIME_FORMAT ", pos=%" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS ((guint64) cur), GST_TIME_ARGS ((guint64) stop),
|
|
GST_TIME_ARGS ((guint64) cur));
|
|
|
|
gst_pad_push_event (modplug->srcpad,
|
|
gst_event_new_new_segment (FALSE, rate,
|
|
GST_FORMAT_TIME, cur, stop, cur));
|
|
|
|
modplug->offset =
|
|
gst_util_uint64_scale_int (cur, modplug->frequency, GST_SECOND);
|
|
|
|
gst_pad_start_task (modplug->sinkpad,
|
|
(GstTaskFunction) gst_modplug_loop, modplug);
|
|
|
|
GST_PAD_STREAM_UNLOCK (modplug->sinkpad);
|
|
res = TRUE;
|
|
break;
|
|
}
|
|
default:
|
|
res = gst_pad_event_default (pad, event);
|
|
break;
|
|
}
|
|
|
|
gst_object_unref (modplug);
|
|
return res;
|
|
}
|
|
|
|
static void
|
|
gst_modplug_fixate (GstPad * pad, GstCaps * caps)
|
|
{
|
|
GstStructure *structure;
|
|
|
|
structure = gst_caps_get_structure (caps, 0);
|
|
if (gst_structure_fixate_field_nearest_int (structure, "rate", 44100))
|
|
return;
|
|
if (gst_structure_fixate_field_nearest_int (structure, "channels", 2))
|
|
return;
|
|
}
|
|
|
|
static gboolean
|
|
gst_modplug_load_song (GstModPlug * modplug)
|
|
{
|
|
GstCaps *newcaps, *othercaps;
|
|
GstStructure *structure;
|
|
gint depth;
|
|
|
|
GST_DEBUG_OBJECT (modplug, "Setting caps");
|
|
|
|
/* negotiate srcpad caps */
|
|
if ((othercaps = gst_pad_get_allowed_caps (modplug->srcpad))) {
|
|
newcaps = gst_caps_copy_nth (othercaps, 0);
|
|
gst_caps_unref (othercaps);
|
|
} else {
|
|
GST_WARNING ("no allowed caps on srcpad, no peer linked");
|
|
/* FIXME: this can be done in a better way */
|
|
newcaps =
|
|
gst_caps_copy_nth (gst_pad_get_pad_template_caps (modplug->srcpad), 0);
|
|
}
|
|
gst_pad_fixate_caps (modplug->srcpad, newcaps);
|
|
gst_pad_set_caps (modplug->srcpad, newcaps);
|
|
|
|
/* set up modplug to output the negotiated format */
|
|
structure = gst_caps_get_structure (newcaps, 0);
|
|
gst_structure_get_int (structure, "depth", &depth);
|
|
modplug->_16bit = (depth == 16);
|
|
gst_structure_get_int (structure, "channels", &modplug->channel);
|
|
gst_structure_get_int (structure, "rate", &modplug->frequency);
|
|
|
|
modplug->read_samples = 1152;
|
|
modplug->read_bytes = modplug->read_samples * modplug->channel * depth / 8;
|
|
|
|
GST_DEBUG_OBJECT (modplug, "Loading song");
|
|
|
|
modplug->mSoundFile = new CSoundFile;
|
|
|
|
if (modplug->_16bit)
|
|
modplug->mSoundFile->SetWaveConfig (modplug->frequency, 16,
|
|
modplug->channel);
|
|
else
|
|
modplug->mSoundFile->SetWaveConfig (modplug->frequency, 8,
|
|
modplug->channel);
|
|
|
|
modplug->mSoundFile->SetWaveConfigEx (modplug->surround, !modplug->oversamp,
|
|
modplug->reverb, true, modplug->megabass, modplug->noise_reduction, true);
|
|
modplug->mSoundFile->SetResamplingMode (SRCMODE_POLYPHASE);
|
|
|
|
if (modplug->surround)
|
|
modplug->mSoundFile->SetSurroundParameters (modplug->surround_depth,
|
|
modplug->surround_delay);
|
|
|
|
if (modplug->megabass)
|
|
modplug->mSoundFile->SetXBassParameters (modplug->megabass_amount,
|
|
modplug->megabass_range);
|
|
|
|
if (modplug->reverb)
|
|
modplug->mSoundFile->SetReverbParameters (modplug->reverb_depth,
|
|
modplug->reverb_delay);
|
|
|
|
if (!modplug->mSoundFile->Create (GST_BUFFER_DATA (modplug->buffer),
|
|
modplug->song_size)) {
|
|
GST_ELEMENT_ERROR (modplug, STREAM, DECODE, (NULL),
|
|
("Unable to load song"));
|
|
return FALSE;
|
|
}
|
|
|
|
modplug->song_length = modplug->mSoundFile->GetSongTime () * GST_SECOND;
|
|
modplug->seek_at = -1;
|
|
|
|
GST_INFO_OBJECT (modplug, "Song length: %" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS ((guint64) modplug->song_length));
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_modplug_sinkpad_activate (GstPad * pad)
|
|
{
|
|
if (!gst_pad_check_pull_range (pad))
|
|
return FALSE;
|
|
|
|
return gst_pad_activate_pull (pad, TRUE);
|
|
}
|
|
|
|
static gboolean
|
|
gst_modplug_sinkpad_activate_pull (GstPad * pad, gboolean active)
|
|
{
|
|
GstModPlug *modplug = GST_MODPLUG (GST_OBJECT_PARENT (pad));
|
|
|
|
if (active) {
|
|
return gst_pad_start_task (pad, (GstTaskFunction) gst_modplug_loop,
|
|
modplug);
|
|
} else {
|
|
return gst_pad_stop_task (pad);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_modplug_get_upstream_size (GstModPlug * modplug, gint64 * length)
|
|
{
|
|
GstFormat format = GST_FORMAT_BYTES;
|
|
gboolean res = FALSE;
|
|
GstPad *peer;
|
|
|
|
peer = gst_pad_get_peer (modplug->sinkpad);
|
|
if (peer == NULL)
|
|
return FALSE;
|
|
|
|
if (gst_pad_query_duration (peer, &format, length) && *length >= 0) {
|
|
res = TRUE;
|
|
}
|
|
|
|
gst_object_unref (peer);
|
|
return res;
|
|
}
|
|
|
|
static void
|
|
gst_modplug_loop (GstModPlug * modplug)
|
|
{
|
|
GstFlowReturn flow;
|
|
GstBuffer *out = NULL;
|
|
|
|
g_assert (GST_IS_MODPLUG (modplug));
|
|
|
|
/* first, get the size of the song */
|
|
if (!modplug->song_size) {
|
|
if (!gst_modplug_get_upstream_size (modplug, &modplug->song_size)) {
|
|
GST_ELEMENT_ERROR (modplug, STREAM, DECODE, (NULL),
|
|
("Unable to load song"));
|
|
goto pause;
|
|
}
|
|
|
|
if (modplug->buffer) {
|
|
gst_buffer_unref (modplug->buffer);
|
|
}
|
|
modplug->buffer = gst_buffer_new_and_alloc (modplug->song_size);
|
|
modplug->offset = 0;
|
|
}
|
|
|
|
/* read in the song data */
|
|
if (!modplug->mSoundFile) {
|
|
GstBuffer *buffer = NULL;
|
|
guint64 read_size = modplug->song_size - modplug->offset;
|
|
|
|
if (read_size > 4096)
|
|
read_size = 4096;
|
|
|
|
flow =
|
|
gst_pad_pull_range (modplug->sinkpad, modplug->offset, read_size,
|
|
&buffer);
|
|
if (flow != GST_FLOW_OK) {
|
|
GST_ELEMENT_ERROR (modplug, STREAM, DECODE, (NULL),
|
|
("Unable to load song"));
|
|
goto pause;
|
|
}
|
|
|
|
/* GST_LOG_OBJECT (modplug, "Read %u bytes", GST_BUFFER_SIZE (buffer)); */
|
|
g_memmove (GST_BUFFER_DATA (modplug->buffer) + modplug->offset,
|
|
GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer));
|
|
gst_buffer_unref (buffer);
|
|
|
|
modplug->offset += read_size;
|
|
|
|
/* actually load it */
|
|
if (modplug->offset == modplug->song_size) {
|
|
GstEvent *newsegment;
|
|
gboolean ok;
|
|
|
|
ok = gst_modplug_load_song (modplug);
|
|
gst_buffer_unref (modplug->buffer);
|
|
modplug->buffer = NULL;
|
|
modplug->offset = 0;
|
|
|
|
if (!ok) {
|
|
goto pause;
|
|
}
|
|
|
|
newsegment = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
|
|
0, modplug->song_length, 0);
|
|
gst_pad_push_event (modplug->srcpad, newsegment);
|
|
} else {
|
|
/* not fully loaded yet */
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* could move this to gst_modplug_src_event
|
|
* if libmodplug was definitely thread safe.. */
|
|
if (modplug->seek_at != -1) {
|
|
gint seek_to_pos;
|
|
gfloat temp;
|
|
|
|
temp = (gfloat) modplug->song_length / modplug->seek_at;
|
|
seek_to_pos = (int) (modplug->mSoundFile->GetMaxPosition () / temp);
|
|
|
|
GST_DEBUG_OBJECT (modplug, "Seeking to row %d", seek_to_pos);
|
|
|
|
modplug->mSoundFile->SetCurrentPos (seek_to_pos);
|
|
modplug->seek_at = -1;
|
|
}
|
|
|
|
/* read and output a buffer */
|
|
flow = gst_pad_alloc_buffer_and_set_caps (modplug->srcpad,
|
|
GST_BUFFER_OFFSET_NONE, modplug->read_bytes,
|
|
GST_PAD_CAPS (modplug->srcpad), &out);
|
|
|
|
if (flow != GST_FLOW_OK) {
|
|
GST_LOG_OBJECT (modplug, "pad alloc flow: %s", gst_flow_get_name (flow));
|
|
goto pause;
|
|
}
|
|
|
|
if (!modplug->mSoundFile->Read (GST_BUFFER_DATA (out), modplug->read_bytes))
|
|
goto eos;
|
|
|
|
GST_BUFFER_SIZE (out) = modplug->read_bytes;
|
|
GST_BUFFER_DURATION (out) =
|
|
gst_util_uint64_scale_int (modplug->read_samples, GST_SECOND,
|
|
modplug->frequency);
|
|
GST_BUFFER_OFFSET (out) = modplug->offset;
|
|
GST_BUFFER_TIMESTAMP (out) =
|
|
gst_util_uint64_scale_int (modplug->offset, GST_SECOND,
|
|
modplug->frequency);
|
|
|
|
modplug->offset += modplug->read_samples;
|
|
|
|
flow = gst_pad_push (modplug->srcpad, out);
|
|
|
|
if (flow != GST_FLOW_OK) {
|
|
GST_LOG_OBJECT (modplug, "pad push flow: %s", gst_flow_get_name (flow));
|
|
goto pause;
|
|
}
|
|
|
|
return;
|
|
|
|
eos:
|
|
{
|
|
gst_buffer_unref (out);
|
|
GST_INFO_OBJECT (modplug, "EOS");
|
|
gst_pad_push_event (modplug->srcpad, gst_event_new_eos ());
|
|
goto pause;
|
|
}
|
|
|
|
pause:
|
|
{
|
|
GST_INFO_OBJECT (modplug, "Pausing");
|
|
gst_pad_pause_task (modplug->sinkpad);
|
|
}
|
|
}
|
|
|
|
|
|
static GstStateChangeReturn
|
|
gst_modplug_change_state (GstElement * element, GstStateChange transition)
|
|
{
|
|
GstModPlug *modplug;
|
|
GstStateChangeReturn ret;
|
|
|
|
modplug = GST_MODPLUG (element);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
modplug->buffer = NULL;
|
|
modplug->offset = 0;
|
|
modplug->song_size = 0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
if (ret == GST_STATE_CHANGE_FAILURE)
|
|
return ret;
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
if (modplug->buffer) {
|
|
gst_buffer_unref (modplug->buffer);
|
|
modplug->buffer = NULL;
|
|
}
|
|
if (modplug->mSoundFile) {
|
|
modplug->mSoundFile->Destroy ();
|
|
modplug->mSoundFile = NULL;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return GST_STATE_CHANGE_SUCCESS;
|
|
}
|
|
|
|
|
|
static void
|
|
gst_modplug_set_property (GObject * object, guint id, const GValue * value,
|
|
GParamSpec * pspec)
|
|
{
|
|
GstModPlug *modplug;
|
|
|
|
g_return_if_fail (GST_IS_MODPLUG (object));
|
|
modplug = GST_MODPLUG (object);
|
|
|
|
switch (id) {
|
|
case ARG_REVERB:
|
|
modplug->reverb = g_value_get_boolean (value);
|
|
break;
|
|
case ARG_REVERB_DEPTH:
|
|
modplug->reverb_depth = g_value_get_int (value);
|
|
break;
|
|
case ARG_REVERB_DELAY:
|
|
modplug->reverb_delay = g_value_get_int (value);
|
|
break;
|
|
case ARG_MEGABASS:
|
|
modplug->megabass = g_value_get_boolean (value);
|
|
break;
|
|
case ARG_MEGABASS_AMOUNT:
|
|
modplug->megabass_amount = g_value_get_int (value);
|
|
break;
|
|
case ARG_MEGABASS_RANGE:
|
|
modplug->megabass_range = g_value_get_int (value);
|
|
break;
|
|
case ARG_NOISE_REDUCTION:
|
|
modplug->noise_reduction = g_value_get_boolean (value);
|
|
break;
|
|
case ARG_SURROUND:
|
|
modplug->surround = g_value_get_boolean (value);
|
|
break;
|
|
case ARG_SURROUND_DEPTH:
|
|
modplug->surround_depth = g_value_get_int (value);
|
|
break;
|
|
case ARG_SURROUND_DELAY:
|
|
modplug->surround_delay = g_value_get_int (value);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_modplug_get_property (GObject * object, guint id, GValue * value,
|
|
GParamSpec * pspec)
|
|
{
|
|
GstModPlug *modplug;
|
|
|
|
g_return_if_fail (GST_IS_MODPLUG (object));
|
|
modplug = GST_MODPLUG (object);
|
|
|
|
switch (id) {
|
|
case ARG_REVERB:
|
|
g_value_set_boolean (value, modplug->reverb);
|
|
break;
|
|
case ARG_REVERB_DEPTH:
|
|
g_value_set_int (value, modplug->reverb_depth);
|
|
break;
|
|
case ARG_REVERB_DELAY:
|
|
g_value_set_int (value, modplug->reverb_delay);
|
|
break;
|
|
case ARG_MEGABASS:
|
|
g_value_set_boolean (value, modplug->megabass);
|
|
break;
|
|
case ARG_MEGABASS_AMOUNT:
|
|
g_value_set_int (value, modplug->megabass_amount);
|
|
break;
|
|
case ARG_MEGABASS_RANGE:
|
|
g_value_set_int (value, modplug->megabass_range);
|
|
break;
|
|
case ARG_SURROUND:
|
|
g_value_set_boolean (value, modplug->surround);
|
|
break;
|
|
case ARG_SURROUND_DEPTH:
|
|
g_value_set_int (value, modplug->surround_depth);
|
|
break;
|
|
case ARG_SURROUND_DELAY:
|
|
g_value_set_int (value, modplug->surround_delay);
|
|
break;
|
|
case ARG_NOISE_REDUCTION:
|
|
g_value_set_boolean (value, modplug->noise_reduction);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
return gst_element_register (plugin, "modplug",
|
|
GST_RANK_PRIMARY, GST_TYPE_MODPLUG);
|
|
}
|
|
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
GST_VERSION_MINOR,
|
|
"modplug",
|
|
".MOD audio decoding",
|
|
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
|