mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-20 23:36:38 +00:00
443ebd6f33
Original commit message from CVS: * ext/sidplay/gstsiddec.cc: Fix negotiation and set correct end offset.
660 lines
20 KiB
C++
660 lines
20 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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#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/bytestream/bytestream.h>
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#include "gstsiddec.h"
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/* Sidec signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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#define DEFAULT_BLOCKSIZE 4096
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enum
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{
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ARG_0,
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ARG_TUNE,
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ARG_CLOCK,
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ARG_MEMORY,
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ARG_FILTER,
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ARG_MEASURED_VOLUME,
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ARG_MOS8580,
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ARG_FORCE_SPEED,
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ARG_BLOCKSIZE,
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ARG_METADATA
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/* FILL ME */
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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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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-int, "
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"endianness = (int) BYTE_ORDER, "
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"signed = (boolean) { true, false }, "
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"width = (int) { 8, 16 }, "
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"depth = (int) { 8, 16 }, "
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"rate = (int) [ 8000, 48000 ], " "channels = (int) [ 1, 2 ]")
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);
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enum
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{
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SID_STATE_NEED_TUNE = 1,
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SID_STATE_LOAD_TUNE = 2,
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SID_STATE_PLAY_TUNE = 3
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};
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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 GEnumValue sid_clock[] = {
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{SIDTUNE_CLOCK_PAL, "0", "PAL"},
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{SIDTUNE_CLOCK_NTSC, "1", "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 GEnumValue sid_memory[] = {
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{MPU_BANK_SWITCHING, "32", "Bank Switching"},
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{MPU_TRANSPARENT_ROM, "33", "Transparent ROM"},
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{MPU_PLAYSID_ENVIRONMENT, "34", "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_base_init (gpointer g_class);
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static void gst_siddec_class_init (GstSidDec * klass);
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static void gst_siddec_init (GstSidDec * siddec);
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static void gst_siddec_loop (GstElement * element);
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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_query (GstPad * pad, GstQueryType type,
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GstFormat * format, gint64 * value);
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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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static GstElementClass *parent_class = NULL;
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//static guint gst_siddec_signals[LAST_SIGNAL] = { 0 };
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GType
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gst_siddec_get_type (void)
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{
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static GType siddec_type = 0;
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if (!siddec_type) {
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static const GTypeInfo siddec_info = {
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sizeof (GstSidDecClass),
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gst_siddec_base_init,
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NULL,
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(GClassInitFunc) gst_siddec_class_init,
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NULL,
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NULL,
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sizeof (GstSidDec),
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0,
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(GInstanceInitFunc) gst_siddec_init,
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NULL
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};
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siddec_type =
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g_type_register_static (GST_TYPE_ELEMENT, "GstSidDec", &siddec_info,
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(GTypeFlags) 0);
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}
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return siddec_type;
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}
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static void
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gst_siddec_base_init (gpointer g_class)
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{
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static GstElementDetails gst_siddec_details =
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GST_ELEMENT_DETAILS ("Sid decoder",
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"Codec/Decoder/Audio",
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"Use sidplay to decode SID audio tunes",
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"Wim Taymans <wim.taymans@chello.be> ");
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_set_details (element_class, &gst_siddec_details);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_templ));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&sink_templ));
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}
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static void
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gst_siddec_class_init (GstSidDec * 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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parent_class = GST_ELEMENT_CLASS (g_type_class_ref (GST_TYPE_ELEMENT));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TUNE,
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g_param_spec_int ("tune", "tune", "tune",
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1, 100, 1, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CLOCK,
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g_param_spec_enum ("clock", "clock", "clock",
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GST_TYPE_SID_CLOCK, SIDTUNE_CLOCK_PAL,
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(GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MEMORY,
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g_param_spec_enum ("memory", "memory", "memory", GST_TYPE_SID_MEMORY,
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MPU_PLAYSID_ENVIRONMENT, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FILTER,
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g_param_spec_boolean ("filter", "filter", "filter", TRUE,
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(GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MEASURED_VOLUME,
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g_param_spec_boolean ("measured_volume", "measured_volume",
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"measured_volume", TRUE, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MOS8580,
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g_param_spec_boolean ("mos8580", "mos8580", "mos8580", TRUE,
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(GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FORCE_SPEED,
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g_param_spec_boolean ("force_speed", "force_speed", "force_speed", TRUE,
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(GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BLOCKSIZE,
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g_param_spec_ulong ("blocksize", "Block size",
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"Size in bytes to output per buffer", 1, G_MAXULONG,
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DEFAULT_BLOCKSIZE, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class, ARG_METADATA,
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g_param_spec_boxed ("metadata", "Metadata", "Metadata", GST_TYPE_CAPS,
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(GParamFlags) G_PARAM_READABLE));
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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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}
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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 =
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gst_pad_new_from_template (gst_static_pad_template_get (&sink_templ),
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"sink");
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gst_element_add_pad (GST_ELEMENT (siddec), siddec->sinkpad);
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gst_pad_set_query_function (siddec->sinkpad, NULL);
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gst_pad_set_convert_function (siddec->sinkpad, NULL);
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siddec->srcpad =
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gst_pad_new_from_template (gst_static_pad_template_get (&src_templ),
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"src");
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gst_pad_set_event_function (siddec->srcpad, NULL);
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gst_pad_set_convert_function (siddec->srcpad, gst_siddec_src_convert);
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gst_pad_set_query_function (siddec->srcpad, gst_siddec_src_query);
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gst_element_add_pad (GST_ELEMENT (siddec), siddec->srcpad);
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gst_element_set_loop_function (GST_ELEMENT (siddec), gst_siddec_loop);
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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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siddec->config->frequency = 44100; // frequency
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siddec->config->bitsPerSample = SIDEMU_16BIT; // bits per sample
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siddec->config->sampleFormat = SIDEMU_SIGNED_PCM; // sample fomat
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siddec->config->channels = SIDEMU_STEREO; // channels
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siddec->config->sidChips = 0; // -
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siddec->config->volumeControl = SIDEMU_NONE; // volume control
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siddec->config->mos8580 = TRUE; // mos8580
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siddec->config->measuredVolume = TRUE; // measure volume
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siddec->config->emulateFilter = TRUE; // emulate filter
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siddec->config->filterFs = SIDEMU_DEFAULTFILTERFS; // filter Fs
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siddec->config->filterFm = SIDEMU_DEFAULTFILTERFM; // filter Fm
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siddec->config->filterFt = SIDEMU_DEFAULTFILTERFT; // filter Ft
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siddec->config->memoryMode = MPU_PLAYSID_ENVIRONMENT; // memory mode
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siddec->config->clockSpeed = SIDTUNE_CLOCK_PAL; // clock speed
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siddec->config->forceSongSpeed = TRUE; // force song speed
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siddec->config->digiPlayerScans = 0; // digi player scans
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siddec->config->autoPanning = SIDEMU_NONE; // auto panning
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siddec->engine->setConfig (*siddec->config);
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siddec->engine->setDefaultFilterStrength ();
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siddec->state = SID_STATE_NEED_TUNE;
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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 = 1;
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siddec->total_bytes = 0;
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siddec->blocksize = DEFAULT_BLOCKSIZE;
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}
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#if 0
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static void
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update_metadata (GstSidDec * siddec)
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{
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sidTuneInfo info;
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GstProps *props;
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GstPropsEntry *entry;
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if (siddec->tune->getInfo (info)) {
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props = gst_props_empty_new ();
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if (info.nameString) {
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entry = gst_props_entry_new ("Title", G_TYPE_STRING (info.nameString));
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gst_props_add_entry (props, entry);
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}
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if (info.authorString) {
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entry =
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gst_props_entry_new ("Composer", G_TYPE_STRING (info.authorString));
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gst_props_add_entry (props, entry);
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}
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if (info.copyrightString) {
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entry =
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gst_props_entry_new ("Copyright",
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G_TYPE_STRING (info.copyrightString));
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gst_props_add_entry (props, entry);
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}
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siddec->metadata = gst_caps_new ("sid_metadata",
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"application/x-gst-metadata", props);
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g_object_notify (G_OBJECT (siddec), "metadata");
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}
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}
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#endif
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#define GET_FIXED_INT(caps, name, dest) \
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G_STMT_START { \
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if (gst_caps_has_fixed_property (caps, name)) \
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gst_structure_get_int (structure, name, (gint*)dest); \
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} G_STMT_END
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#define GET_FIXED_BOOLEAN(caps, name, dest) \
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G_STMT_START { \
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if (gst_caps_has_fixed_property (caps, name)) \
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gst_structure_get_boolean (structure, name, dest); \
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} G_STMT_END
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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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gboolean sign = TRUE;
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gint width = 16, depth = 16;
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GstStructure *structure;
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int rate = 22050;
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int channels = 2;
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allowed = gst_pad_get_allowed_caps (siddec->srcpad);
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if (!allowed)
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return FALSE;
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structure = gst_caps_get_structure (allowed, 0);
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gst_structure_get_int (structure, "width", &width);
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gst_structure_get_int (structure, "depth", &depth);
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if (width && depth && width != depth) {
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return FALSE;
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}
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width = width | depth;
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if (width) {
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siddec->config->bitsPerSample = width;
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}
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gst_structure_get_boolean (structure, "signed", &sign);
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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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siddec->config->sampleFormat =
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(sign ? SIDEMU_SIGNED_PCM : SIDEMU_UNSIGNED_PCM);
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if (!gst_pad_try_set_caps (siddec->srcpad,
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gst_caps_new_simple ("audio/x-raw-int",
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"endianness", G_TYPE_INT, G_BYTE_ORDER,
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"signed", G_TYPE_BOOLEAN, sign,
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"width", G_TYPE_INT, siddec->config->bitsPerSample,
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"depth", G_TYPE_INT, siddec->config->bitsPerSample,
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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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return FALSE;
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}
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siddec->engine->setConfig (*siddec->config);
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return TRUE;
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}
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static void
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gst_siddec_loop (GstElement * element)
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{
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GstSidDec *siddec;
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siddec = GST_SIDDEC (element);
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if (siddec->state == SID_STATE_NEED_TUNE) {
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GstData *data = gst_pad_pull (siddec->sinkpad);
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g_assert (data != NULL);
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if (GST_IS_EVENT (data)) {
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GstEvent *event = GST_EVENT (data);
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_EOS:
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siddec->state = SID_STATE_LOAD_TUNE;
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break;
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case GST_EVENT_DISCONTINUOUS:
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break;
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default:
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// bail out, we're not going to do anything
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gst_event_unref (event);
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gst_pad_send_event (siddec->srcpad, gst_event_new (GST_EVENT_EOS));
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gst_element_set_eos (element);
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return;
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}
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gst_event_unref (event);
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} else {
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GstBuffer *buf = GST_BUFFER (data);
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memcpy (siddec->tune_buffer + siddec->tune_len, GST_BUFFER_DATA (buf),
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GST_BUFFER_SIZE (buf));
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siddec->tune_len += GST_BUFFER_SIZE (buf);
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gst_buffer_unref (buf);
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}
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}
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if (siddec->state == SID_STATE_LOAD_TUNE) {
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if (!siddec->tune->load (siddec->tune_buffer, siddec->tune_len)) {
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GST_ELEMENT_ERROR (siddec, LIBRARY, TOO_LAZY, (NULL), (NULL));
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return;
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}
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//update_metadata (siddec);
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if (!siddec_negotiate (siddec)) {
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GST_ELEMENT_ERROR (siddec, CORE, NEGOTIATION, (NULL), (NULL));
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return;
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}
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if (!sidEmuInitializeSong (*siddec->engine, *siddec->tune,
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siddec->tune_number)) {
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GST_ELEMENT_ERROR (siddec, LIBRARY, TOO_LAZY, (NULL), (NULL));
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return;
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}
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siddec->state = SID_STATE_PLAY_TUNE;
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}
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if (siddec->state == SID_STATE_PLAY_TUNE) {
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GstBuffer *out;
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GstFormat format;
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gint64 value, offset, time;
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out = gst_buffer_new_and_alloc (siddec->blocksize);
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sidEmuFillBuffer (*siddec->engine, *siddec->tune,
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GST_BUFFER_DATA (out), GST_BUFFER_SIZE (out));
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/* get offset in samples */
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format = GST_FORMAT_DEFAULT;
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gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &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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gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &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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gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &format, &value);
|
|
GST_BUFFER_OFFSET_END (out) = value;
|
|
|
|
format = GST_FORMAT_TIME;
|
|
gst_siddec_src_query (siddec->srcpad, GST_QUERY_POSITION, &format, &value);
|
|
GST_BUFFER_DURATION (out) = value - time;
|
|
|
|
gst_pad_push (siddec->srcpad, GST_DATA (out));
|
|
}
|
|
}
|
|
|
|
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));
|
|
|
|
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 = 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 = 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 =
|
|
src_value * scale * siddec->config->frequency / GST_SECOND;
|
|
break;
|
|
default:
|
|
res = FALSE;
|
|
}
|
|
break;
|
|
default:
|
|
res = FALSE;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static gboolean
|
|
gst_siddec_src_query (GstPad * pad, GstQueryType type,
|
|
GstFormat * format, gint64 * value)
|
|
{
|
|
gboolean res = TRUE;
|
|
GstSidDec *siddec;
|
|
|
|
siddec = GST_SIDDEC (gst_pad_get_parent (pad));
|
|
|
|
switch (type) {
|
|
case GST_QUERY_POSITION:
|
|
/* we only know about our bytes, convert to requested format */
|
|
res &= gst_siddec_src_convert (pad,
|
|
GST_FORMAT_BYTES, siddec->total_bytes, format, value);
|
|
break;
|
|
default:
|
|
res = FALSE;
|
|
break;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static void
|
|
gst_siddec_set_property (GObject * object, guint prop_id, const GValue * value,
|
|
GParamSpec * pspec)
|
|
{
|
|
GstSidDec *siddec;
|
|
|
|
/* it's not null if we got it, but it might not be ours */
|
|
g_return_if_fail (GST_IS_SIDDEC (object));
|
|
siddec = GST_SIDDEC (object);
|
|
|
|
switch (prop_id) {
|
|
case ARG_TUNE:
|
|
siddec->tune_number = g_value_get_int (value);
|
|
break;
|
|
case ARG_CLOCK:
|
|
siddec->config->clockSpeed = g_value_get_enum (value);
|
|
break;
|
|
case ARG_MEMORY:
|
|
siddec->config->memoryMode = g_value_get_enum (value);
|
|
break;
|
|
case ARG_FILTER:
|
|
siddec->config->emulateFilter = g_value_get_boolean (value);
|
|
break;
|
|
case ARG_MEASURED_VOLUME:
|
|
siddec->config->measuredVolume = g_value_get_boolean (value);
|
|
break;
|
|
case ARG_MOS8580:
|
|
siddec->config->mos8580 = g_value_get_boolean (value);
|
|
break;
|
|
case ARG_BLOCKSIZE:
|
|
siddec->blocksize = g_value_get_ulong (value);
|
|
break;
|
|
case ARG_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;
|
|
|
|
/* it's not null if we got it, but it might not be ours */
|
|
g_return_if_fail (GST_IS_SIDDEC (object));
|
|
siddec = GST_SIDDEC (object);
|
|
|
|
switch (prop_id) {
|
|
case ARG_TUNE:
|
|
g_value_set_int (value, siddec->tune_number);
|
|
break;
|
|
case ARG_CLOCK:
|
|
g_value_set_enum (value, siddec->config->clockSpeed);
|
|
break;
|
|
case ARG_MEMORY:
|
|
g_value_set_enum (value, siddec->config->memoryMode);
|
|
break;
|
|
case ARG_FILTER:
|
|
g_value_set_boolean (value, siddec->config->emulateFilter);
|
|
break;
|
|
case ARG_MEASURED_VOLUME:
|
|
g_value_set_boolean (value, siddec->config->measuredVolume);
|
|
break;
|
|
case ARG_MOS8580:
|
|
g_value_set_boolean (value, siddec->config->mos8580);
|
|
break;
|
|
case ARG_FORCE_SPEED:
|
|
g_value_set_boolean (value, siddec->config->forceSongSpeed);
|
|
break;
|
|
case ARG_BLOCKSIZE:
|
|
g_value_set_ulong (value, siddec->blocksize);
|
|
break;
|
|
case ARG_METADATA:
|
|
g_value_set_boxed (value, siddec->metadata);
|
|
break;
|
|
default:
|
|
/* G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); */
|
|
break;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
return gst_element_register (plugin, "siddec", GST_RANK_PRIMARY,
|
|
GST_TYPE_SIDDEC);
|
|
}
|
|
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
GST_VERSION_MINOR,
|
|
"siddec",
|
|
"Uses libsid to decode .sid files",
|
|
plugin_init, VERSION, "GPL", GST_PACKAGE, GST_ORIGIN)
|