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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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780 lines
22 KiB
C++
780 lines
22 KiB
C++
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* (C) <2006> Wim Taymans <wim@fluendo.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 St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:element-siddec
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*
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* This element decodes .sid files to raw audio. .sid files are in fact
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* small Commodore 64 programs that are executed on an emulated 6502 CPU and a
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* MOS 6581 sound chip.
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*
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* This plugin will first load the complete program into memory before starting
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* the emulator and producing output.
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*
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* Seeking is not (and cannot be) implemented.
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*
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* ## Example pipelines
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*
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* |[
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* gst-launch-1.0 -v filesrc location=Hawkeye.sid ! siddec ! audioconvert ! audioresample ! autoaudiosink
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* ]| Decode a sid file and play it back.
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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 <string.h>
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#include <gst/audio/audio.h>
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#include "gstsiddec.h"
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#define DEFAULT_TUNE 0
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#define DEFAULT_CLOCK SIDTUNE_CLOCK_PAL
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#define DEFAULT_MEMORY MPU_BANK_SWITCHING
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#define DEFAULT_FILTER TRUE
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#define DEFAULT_MEASURED_VOLUME TRUE
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#define DEFAULT_MOS8580 FALSE
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#define DEFAULT_FORCE_SPEED FALSE
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#define DEFAULT_BLOCKSIZE 4096
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enum
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{
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PROP_0,
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PROP_TUNE,
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PROP_CLOCK,
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PROP_MEMORY,
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PROP_FILTER,
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PROP_MEASURED_VOLUME,
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PROP_MOS8580,
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PROP_FORCE_SPEED,
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PROP_BLOCKSIZE,
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PROP_METADATA
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};
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static GstStaticPadTemplate sink_templ = 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-sid")
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);
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#define FORMATS "{ " GST_AUDIO_NE(S16) "," GST_AUDIO_NE(U16) ", S8, U8 }"
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static GstStaticPadTemplate src_templ = 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, "
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"format = (string) " FORMATS ", "
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"layout = (string) interleaved, "
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"rate = (int) [ 8000, 48000 ], " "channels = (int) [ 1, 2 ]")
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);
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GST_DEBUG_CATEGORY_STATIC (gst_siddec_debug);
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#define GST_CAT_DEFAULT gst_siddec_debug
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#define GST_TYPE_SID_CLOCK (gst_sid_clock_get_type())
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static GType
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gst_sid_clock_get_type (void)
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{
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static GType sid_clock_type = 0;
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static const GEnumValue sid_clock[] = {
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{SIDTUNE_CLOCK_PAL, "PAL", "pal"},
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{SIDTUNE_CLOCK_NTSC, "NTSC", "ntsc"},
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{0, NULL, NULL},
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};
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if (!sid_clock_type) {
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sid_clock_type = g_enum_register_static ("GstSidClock", sid_clock);
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}
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return sid_clock_type;
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}
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#define GST_TYPE_SID_MEMORY (gst_sid_memory_get_type())
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static GType
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gst_sid_memory_get_type (void)
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{
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static GType sid_memory_type = 0;
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static const GEnumValue sid_memory[] = {
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{MPU_BANK_SWITCHING, "Bank Switching", "bank-switching"},
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{MPU_TRANSPARENT_ROM, "Transparent ROM", "transparent-rom"},
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{MPU_PLAYSID_ENVIRONMENT, "Playsid Environment", "playsid-environment"},
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{0, NULL, NULL},
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};
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if (!sid_memory_type) {
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sid_memory_type = g_enum_register_static ("GstSidMemory", sid_memory);
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}
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return sid_memory_type;
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}
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static void gst_siddec_finalize (GObject * object);
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static GstFlowReturn gst_siddec_chain (GstPad * pad, GstObject * parent,
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GstBuffer * buffer);
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static gboolean gst_siddec_sink_event (GstPad * pad, GstObject * parent,
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GstEvent * event);
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static gboolean gst_siddec_src_convert (GstPad * pad, GstFormat src_format,
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gint64 src_value, GstFormat * dest_format, gint64 * dest_value);
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static gboolean gst_siddec_src_event (GstPad * pad, GstObject * parent,
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GstEvent * event);
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static gboolean gst_siddec_src_query (GstPad * pad, GstObject * parent,
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GstQuery * query);
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static void gst_siddec_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_siddec_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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#define gst_siddec_parent_class parent_class
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G_DEFINE_TYPE (GstSidDec, gst_siddec, GST_TYPE_ELEMENT);
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GST_ELEMENT_REGISTER_DEFINE (siddec, "siddec", GST_RANK_PRIMARY,
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GST_TYPE_SIDDEC);
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static void
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gst_siddec_class_init (GstSidDecClass * 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->finalize = gst_siddec_finalize;
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gobject_class->set_property = gst_siddec_set_property;
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gobject_class->get_property = gst_siddec_get_property;
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_TUNE,
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g_param_spec_int ("tune", "tune", "tune",
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0, 100, DEFAULT_TUNE,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_CLOCK,
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g_param_spec_enum ("clock", "clock", "clock",
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GST_TYPE_SID_CLOCK, DEFAULT_CLOCK,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MEMORY,
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g_param_spec_enum ("memory", "memory", "memory", GST_TYPE_SID_MEMORY,
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DEFAULT_MEMORY,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_FILTER,
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g_param_spec_boolean ("filter", "filter", "filter", DEFAULT_FILTER,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MEASURED_VOLUME,
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g_param_spec_boolean ("measured-volume", "measured_volume",
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"measured_volume", DEFAULT_MEASURED_VOLUME,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MOS8580,
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g_param_spec_boolean ("mos8580", "mos8580", "mos8580", DEFAULT_MOS8580,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_FORCE_SPEED,
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g_param_spec_boolean ("force-speed", "force_speed", "force_speed",
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DEFAULT_FORCE_SPEED,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BLOCKSIZE,
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g_param_spec_uint ("blocksize", "Block size",
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"Size in bytes to output per buffer", 1, G_MAXUINT,
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DEFAULT_BLOCKSIZE,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (gobject_class, PROP_METADATA,
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g_param_spec_boxed ("metadata", "Metadata", "Metadata", GST_TYPE_CAPS,
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(GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
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gst_element_class_set_static_metadata (gstelement_class, "Sid decoder",
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"Codec/Decoder/Audio", "Use libsidplay to decode SID audio tunes",
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"Wim Taymans <wim.taymans@gmail.com>");
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gst_element_class_add_static_pad_template (gstelement_class, &src_templ);
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gst_element_class_add_static_pad_template (gstelement_class, &sink_templ);
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GST_DEBUG_CATEGORY_INIT (gst_siddec_debug, "siddec", 0,
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"C64 sid song player");
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gst_type_mark_as_plugin_api (GST_TYPE_SID_CLOCK, static_cast<GstPluginAPIFlags>(0));
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gst_type_mark_as_plugin_api (GST_TYPE_SID_MEMORY, static_cast<GstPluginAPIFlags>(0));
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}
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static void
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gst_siddec_init (GstSidDec * siddec)
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{
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siddec->sinkpad = gst_pad_new_from_static_template (&sink_templ, "sink");
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gst_pad_set_event_function (siddec->sinkpad, gst_siddec_sink_event);
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gst_pad_set_chain_function (siddec->sinkpad, gst_siddec_chain);
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gst_element_add_pad (GST_ELEMENT (siddec), siddec->sinkpad);
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siddec->srcpad = gst_pad_new_from_static_template (&src_templ, "src");
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gst_pad_set_event_function (siddec->srcpad, gst_siddec_src_event);
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gst_pad_set_query_function (siddec->srcpad, gst_siddec_src_query);
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gst_pad_use_fixed_caps (siddec->srcpad);
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gst_element_add_pad (GST_ELEMENT (siddec), siddec->srcpad);
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siddec->engine = new emuEngine ();
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siddec->tune = new sidTune (0);
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siddec->config = (emuConfig *) g_malloc (sizeof (emuConfig));
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/* get default config parameters */
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siddec->engine->getConfig (*siddec->config);
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siddec->config->mos8580 = DEFAULT_MOS8580; // mos8580
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siddec->config->memoryMode = DEFAULT_MEMORY; // memory mode
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siddec->config->clockSpeed = DEFAULT_CLOCK; // clock speed
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siddec->config->forceSongSpeed = DEFAULT_FORCE_SPEED; // force song speed
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siddec->engine->setConfig (*siddec->config);
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siddec->tune_buffer = (guchar *) g_malloc (maxSidtuneFileLen);
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siddec->tune_len = 0;
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siddec->tune_number = 0;
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siddec->total_bytes = 0;
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siddec->blocksize = DEFAULT_BLOCKSIZE;
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siddec->have_group_id = FALSE;
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siddec->group_id = G_MAXUINT;
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}
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static void
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gst_siddec_finalize (GObject * object)
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{
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GstSidDec *siddec = GST_SIDDEC (object);
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g_free (siddec->config);
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g_free (siddec->tune_buffer);
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delete (siddec->tune);
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delete (siddec->engine);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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update_tags (GstSidDec * siddec)
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{
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sidTuneInfo info;
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GstTagList *list;
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if (siddec->tune->getInfo (info)) {
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list = gst_tag_list_new_empty ();
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if (info.nameString) {
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gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
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GST_TAG_TITLE, info.nameString, (void *) NULL);
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}
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if (info.authorString) {
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gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
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GST_TAG_ARTIST, info.authorString, (void *) NULL);
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}
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if (info.copyrightString) {
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gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
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GST_TAG_COPYRIGHT, info.copyrightString, (void *) NULL);
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}
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gst_pad_push_event (siddec->srcpad, gst_event_new_tag (list));
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}
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}
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static gboolean
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siddec_negotiate (GstSidDec * siddec)
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{
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GstCaps *allowed;
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GstStructure *structure;
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int rate = 44100;
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int channels = 1;
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GstCaps *caps;
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const gchar *str;
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GstAudioFormat format;
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GstEvent *event;
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gchar *stream_id;
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allowed = gst_pad_get_allowed_caps (siddec->srcpad);
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if (!allowed)
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goto nothing_allowed;
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GST_DEBUG_OBJECT (siddec, "allowed caps: %" GST_PTR_FORMAT, allowed);
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allowed = gst_caps_normalize (allowed);
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structure = gst_caps_get_structure (allowed, 0);
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str = gst_structure_get_string (structure, "format");
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if (str == NULL)
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goto invalid_format;
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format = gst_audio_format_from_string (str);
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switch (format) {
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case GST_AUDIO_FORMAT_S8:
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siddec->config->bitsPerSample = 8;
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siddec->config->sampleFormat = SIDEMU_SIGNED_PCM;
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break;
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case GST_AUDIO_FORMAT_U8:
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siddec->config->bitsPerSample = 8;
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siddec->config->sampleFormat = SIDEMU_UNSIGNED_PCM;
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break;
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case GST_AUDIO_FORMAT_S16:
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siddec->config->bitsPerSample = 16;
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siddec->config->sampleFormat = SIDEMU_SIGNED_PCM;
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break;
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case GST_AUDIO_FORMAT_U16:
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siddec->config->bitsPerSample = 16;
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siddec->config->sampleFormat = SIDEMU_UNSIGNED_PCM;
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break;
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default:
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goto invalid_format;
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}
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gst_structure_get_int (structure, "rate", &rate);
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siddec->config->frequency = rate;
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gst_structure_get_int (structure, "channels", &channels);
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siddec->config->channels = channels;
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stream_id =
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gst_pad_create_stream_id (siddec->srcpad, GST_ELEMENT_CAST (siddec),
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NULL);
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event = gst_pad_get_sticky_event (siddec->sinkpad, GST_EVENT_STREAM_START, 0);
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if (event) {
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if (gst_event_parse_group_id (event, &siddec->group_id))
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siddec->have_group_id = TRUE;
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else
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siddec->have_group_id = FALSE;
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gst_event_unref (event);
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} else if (!siddec->have_group_id) {
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siddec->have_group_id = TRUE;
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siddec->group_id = gst_util_group_id_next ();
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}
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event = gst_event_new_stream_start (stream_id);
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if (siddec->have_group_id)
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gst_event_set_group_id (event, siddec->group_id);
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gst_pad_push_event (siddec->srcpad, event);
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g_free (stream_id);
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caps = gst_caps_new_simple ("audio/x-raw",
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"format", G_TYPE_STRING, gst_audio_format_to_string (format),
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"layout", G_TYPE_STRING, "interleaved",
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"rate", G_TYPE_INT, siddec->config->frequency,
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"channels", G_TYPE_INT, siddec->config->channels, NULL);
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gst_pad_set_caps (siddec->srcpad, caps);
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gst_caps_unref (caps);
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gst_caps_unref (allowed);
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siddec->engine->setConfig (*siddec->config);
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return TRUE;
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/* ERRORS */
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nothing_allowed:
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{
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GST_DEBUG_OBJECT (siddec, "could not get allowed caps");
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return FALSE;
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}
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invalid_format:
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{
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GST_DEBUG_OBJECT (siddec, "invalid audio caps");
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gst_caps_unref (allowed);
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return FALSE;
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}
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}
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static void
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play_loop (GstPad * pad)
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{
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GstFlowReturn ret;
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GstSidDec *siddec;
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GstBuffer *out;
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GstMapInfo outmap;
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gint64 value, offset, time = 0;
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GstFormat format;
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siddec = GST_SIDDEC (gst_pad_get_parent (pad));
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out = gst_buffer_new_and_alloc (siddec->blocksize);
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gst_buffer_map (out, &outmap, GST_MAP_WRITE);
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sidEmuFillBuffer (*siddec->engine, *siddec->tune,
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outmap.data, siddec->blocksize);
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gst_buffer_unmap (out, &outmap);
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/* get offset in samples */
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format = GST_FORMAT_DEFAULT;
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if (gst_siddec_src_convert (siddec->srcpad,
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GST_FORMAT_BYTES, siddec->total_bytes, &format, &offset))
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GST_BUFFER_OFFSET (out) = offset;
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/* get current timestamp */
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format = GST_FORMAT_TIME;
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if (gst_siddec_src_convert (siddec->srcpad,
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GST_FORMAT_BYTES, siddec->total_bytes, &format, &time))
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GST_BUFFER_TIMESTAMP (out) = time;
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/* update position and get new timestamp to calculate duration */
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siddec->total_bytes += siddec->blocksize;
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/* get offset in samples */
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format = GST_FORMAT_DEFAULT;
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if (gst_siddec_src_convert (siddec->srcpad,
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GST_FORMAT_BYTES, siddec->total_bytes, &format, &value))
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GST_BUFFER_OFFSET_END (out) = value;
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format = GST_FORMAT_TIME;
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if (gst_siddec_src_convert (siddec->srcpad,
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GST_FORMAT_BYTES, siddec->total_bytes, &format, &value))
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GST_BUFFER_DURATION (out) = value - time;
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if ((ret = gst_pad_push (siddec->srcpad, out)) != GST_FLOW_OK)
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goto pause;
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done:
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gst_object_unref (siddec);
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return;
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/* ERRORS */
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pause:
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{
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if (ret == GST_FLOW_EOS) {
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|
/* perform EOS logic, FIXME, segment seek? */
|
|
gst_pad_push_event (pad, gst_event_new_eos ());
|
|
} else if (ret < GST_FLOW_EOS || ret == GST_FLOW_NOT_LINKED) {
|
|
/* for fatal errors we post an error message */
|
|
GST_ELEMENT_FLOW_ERROR (siddec, ret);
|
|
gst_pad_push_event (pad, gst_event_new_eos ());
|
|
}
|
|
|
|
GST_INFO_OBJECT (siddec, "pausing task, reason: %s",
|
|
gst_flow_get_name (ret));
|
|
gst_pad_pause_task (pad);
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
start_play_tune (GstSidDec * siddec)
|
|
{
|
|
gboolean res;
|
|
GstSegment segment;
|
|
|
|
if (!siddec->tune->load (siddec->tune_buffer, siddec->tune_len))
|
|
goto could_not_load;
|
|
|
|
update_tags (siddec);
|
|
|
|
if (!siddec_negotiate (siddec))
|
|
goto could_not_negotiate;
|
|
|
|
if (!sidEmuInitializeSong (*siddec->engine, *siddec->tune,
|
|
siddec->tune_number))
|
|
goto could_not_init;
|
|
|
|
gst_segment_init (&segment, GST_FORMAT_TIME);
|
|
gst_pad_push_event (siddec->srcpad, gst_event_new_segment (&segment));
|
|
siddec->total_bytes = 0;
|
|
siddec->have_group_id = FALSE;
|
|
siddec->group_id = G_MAXUINT;
|
|
|
|
res = gst_pad_start_task (siddec->srcpad,
|
|
(GstTaskFunction) play_loop, siddec->srcpad, NULL);
|
|
return res;
|
|
|
|
/* ERRORS */
|
|
could_not_load:
|
|
{
|
|
GST_ELEMENT_ERROR (siddec, LIBRARY, INIT,
|
|
("Could not load tune"), ("Could not load tune"));
|
|
return FALSE;
|
|
}
|
|
could_not_negotiate:
|
|
{
|
|
GST_ELEMENT_ERROR (siddec, CORE, NEGOTIATION,
|
|
("Could not negotiate format"), ("Could not negotiate format"));
|
|
return FALSE;
|
|
}
|
|
could_not_init:
|
|
{
|
|
GST_ELEMENT_ERROR (siddec, LIBRARY, INIT,
|
|
("Could not initialize song"), ("Could not initialize song"));
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_siddec_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
|
|
{
|
|
GstSidDec *siddec;
|
|
gboolean res;
|
|
|
|
siddec = GST_SIDDEC (parent);
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
case GST_EVENT_EOS:
|
|
res = start_play_tune (siddec);
|
|
break;
|
|
case GST_EVENT_SEGMENT:
|
|
res = TRUE;
|
|
break;
|
|
default:
|
|
res = TRUE;
|
|
break;
|
|
}
|
|
gst_event_unref (event);
|
|
|
|
return res;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_siddec_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
|
|
{
|
|
GstSidDec *siddec;
|
|
guint64 size;
|
|
|
|
siddec = GST_SIDDEC (parent);
|
|
|
|
size = gst_buffer_get_size (buffer);
|
|
if (siddec->tune_len + size > maxSidtuneFileLen)
|
|
goto overflow;
|
|
|
|
gst_buffer_extract (buffer, 0, siddec->tune_buffer + siddec->tune_len, size);
|
|
|
|
siddec->tune_len += size;
|
|
|
|
gst_buffer_unref (buffer);
|
|
|
|
return GST_FLOW_OK;
|
|
|
|
/* ERRORS */
|
|
overflow:
|
|
{
|
|
GST_ELEMENT_ERROR (siddec, STREAM, DECODE,
|
|
(NULL), ("Input data bigger than allowed buffer size"));
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_siddec_src_convert (GstPad * pad, GstFormat src_format, gint64 src_value,
|
|
GstFormat * dest_format, gint64 * dest_value)
|
|
{
|
|
gboolean res = TRUE;
|
|
guint scale = 1;
|
|
GstSidDec *siddec;
|
|
gint bytes_per_sample;
|
|
|
|
siddec = GST_SIDDEC (gst_pad_get_parent (pad));
|
|
|
|
if (src_format == *dest_format) {
|
|
*dest_value = src_value;
|
|
return TRUE;
|
|
}
|
|
|
|
bytes_per_sample =
|
|
(siddec->config->bitsPerSample >> 3) * siddec->config->channels;
|
|
|
|
switch (src_format) {
|
|
case GST_FORMAT_BYTES:
|
|
switch (*dest_format) {
|
|
case GST_FORMAT_DEFAULT:
|
|
if (bytes_per_sample == 0)
|
|
return FALSE;
|
|
*dest_value = src_value / bytes_per_sample;
|
|
break;
|
|
case GST_FORMAT_TIME:
|
|
{
|
|
gint byterate = bytes_per_sample * siddec->config->frequency;
|
|
|
|
if (byterate == 0)
|
|
return FALSE;
|
|
*dest_value =
|
|
gst_util_uint64_scale_int (src_value, GST_SECOND, byterate);
|
|
break;
|
|
}
|
|
default:
|
|
res = FALSE;
|
|
}
|
|
break;
|
|
case GST_FORMAT_DEFAULT:
|
|
switch (*dest_format) {
|
|
case GST_FORMAT_BYTES:
|
|
*dest_value = src_value * bytes_per_sample;
|
|
break;
|
|
case GST_FORMAT_TIME:
|
|
if (siddec->config->frequency == 0)
|
|
return FALSE;
|
|
*dest_value =
|
|
gst_util_uint64_scale_int (src_value, GST_SECOND,
|
|
siddec->config->frequency);
|
|
break;
|
|
default:
|
|
res = FALSE;
|
|
}
|
|
break;
|
|
case GST_FORMAT_TIME:
|
|
switch (*dest_format) {
|
|
case GST_FORMAT_BYTES:
|
|
scale = bytes_per_sample;
|
|
/* fallthrough */
|
|
case GST_FORMAT_DEFAULT:
|
|
*dest_value =
|
|
gst_util_uint64_scale_int (src_value,
|
|
scale * siddec->config->frequency, GST_SECOND);
|
|
break;
|
|
default:
|
|
res = FALSE;
|
|
}
|
|
break;
|
|
default:
|
|
res = FALSE;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static gboolean
|
|
gst_siddec_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
|
|
{
|
|
gboolean res = FALSE;
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
default:
|
|
break;
|
|
}
|
|
gst_event_unref (event);
|
|
|
|
return res;
|
|
}
|
|
|
|
static gboolean
|
|
gst_siddec_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
|
|
{
|
|
gboolean res = TRUE;
|
|
GstSidDec *siddec;
|
|
|
|
siddec = GST_SIDDEC (parent);
|
|
|
|
switch (GST_QUERY_TYPE (query)) {
|
|
case GST_QUERY_POSITION:
|
|
{
|
|
GstFormat format;
|
|
gint64 current;
|
|
|
|
gst_query_parse_position (query, &format, NULL);
|
|
|
|
/* we only know about our bytes, convert to requested format */
|
|
res &= gst_siddec_src_convert (pad,
|
|
GST_FORMAT_BYTES, siddec->total_bytes, &format, ¤t);
|
|
if (res) {
|
|
gst_query_set_position (query, format, current);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
res = gst_pad_query_default (pad, parent, query);
|
|
break;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static void
|
|
gst_siddec_set_property (GObject * object, guint prop_id, const GValue * value,
|
|
GParamSpec * pspec)
|
|
{
|
|
GstSidDec *siddec = GST_SIDDEC (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_TUNE:
|
|
siddec->tune_number = g_value_get_int (value);
|
|
break;
|
|
case PROP_CLOCK:
|
|
siddec->config->clockSpeed = g_value_get_enum (value);
|
|
break;
|
|
case PROP_MEMORY:
|
|
siddec->config->memoryMode = g_value_get_enum (value);
|
|
break;
|
|
case PROP_FILTER:
|
|
siddec->config->emulateFilter = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_MEASURED_VOLUME:
|
|
siddec->config->measuredVolume = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_MOS8580:
|
|
siddec->config->mos8580 = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_BLOCKSIZE:
|
|
siddec->blocksize = g_value_get_uint (value);
|
|
break;
|
|
case PROP_FORCE_SPEED:
|
|
siddec->config->forceSongSpeed = g_value_get_boolean (value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
return;
|
|
}
|
|
siddec->engine->setConfig (*siddec->config);
|
|
}
|
|
|
|
static void
|
|
gst_siddec_get_property (GObject * object, guint prop_id, GValue * value,
|
|
GParamSpec * pspec)
|
|
{
|
|
GstSidDec *siddec = GST_SIDDEC (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_TUNE:
|
|
g_value_set_int (value, siddec->tune_number);
|
|
break;
|
|
case PROP_CLOCK:
|
|
g_value_set_enum (value, siddec->config->clockSpeed);
|
|
break;
|
|
case PROP_MEMORY:
|
|
g_value_set_enum (value, siddec->config->memoryMode);
|
|
break;
|
|
case PROP_FILTER:
|
|
g_value_set_boolean (value, siddec->config->emulateFilter);
|
|
break;
|
|
case PROP_MEASURED_VOLUME:
|
|
g_value_set_boolean (value, siddec->config->measuredVolume);
|
|
break;
|
|
case PROP_MOS8580:
|
|
g_value_set_boolean (value, siddec->config->mos8580);
|
|
break;
|
|
case PROP_FORCE_SPEED:
|
|
g_value_set_boolean (value, siddec->config->forceSongSpeed);
|
|
break;
|
|
case PROP_BLOCKSIZE:
|
|
g_value_set_uint (value, siddec->blocksize);
|
|
break;
|
|
case PROP_METADATA:
|
|
g_value_set_boxed (value, NULL);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
return GST_ELEMENT_REGISTER (siddec, plugin);
|
|
}
|
|
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
GST_VERSION_MINOR,
|
|
sid,
|
|
"Uses libsidplay to decode .sid files",
|
|
plugin_init, VERSION, "GPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
|