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-rw-r--r--ext/musicbrainz/Makefile.am8
-rw-r--r--ext/musicbrainz/gsttrm.c379
-rw-r--r--ext/musicbrainz/gsttrm.h82
3 files changed, 469 insertions, 0 deletions
diff --git a/ext/musicbrainz/Makefile.am b/ext/musicbrainz/Makefile.am
new file mode 100644
index 00000000..f6a4a27e
--- /dev/null
+++ b/ext/musicbrainz/Makefile.am
@@ -0,0 +1,8 @@
+plugin_LTLIBRARIES = libgsttrm.la
+
+noinst_HEADERS = gsttrm.h
+
+libgsttrm_la_SOURCES = gsttrm.c
+libgsttrm_la_CFLAGS = $(GST_CFLAGS) $(MUSICBRAINZ_CFLAGS)
+libgsttrm_la_LIBADD =
+libgsttrm_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(MUSICBRAINZ_LIBS)
diff --git a/ext/musicbrainz/gsttrm.c b/ext/musicbrainz/gsttrm.c
new file mode 100644
index 00000000..817cbee9
--- /dev/null
+++ b/ext/musicbrainz/gsttrm.c
@@ -0,0 +1,379 @@
+/* GStreamer trm plugin
+ * Copyright (C) 2004 Jeremy Simon <jsimon13@yahoo.fr>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+#include <sys/time.h>
+
+#include "gsttrm.h"
+
+/* musicbrainz signals and args */
+enum {
+ SIGNAL_SIGNATURE_AVAILABLE,
+ LAST_SIGNAL
+};
+
+
+enum {
+ ARG_0,
+ ARG_SIGNATURE,
+ ARG_ASCII_SIGNATURE
+};
+
+
+GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE (
+ "src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw-int, "
+ "endianness = (int) BYTE_ORDER, "
+ "signed = (bool) TRUE, "
+ "width = (int) { 8, 16 }, "
+ "depth = (int) { 8, 16 }, "
+ "rate = (int) [ 8000, 96000 ], "
+ "channels = (int) [ 1, 2 ]"
+ )
+);
+
+
+GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE (
+ "sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw-int, "
+ "endianness = (int) BYTE_ORDER, "
+ "signed = (bool) TRUE, "
+ "width = (int) { 8, 16 }, "
+ "depth = (int) { 8, 16 }, "
+ "rate = (int) [ 8000, 96000 ], "
+ "channels = (int) [ 1, 2 ]"
+ )
+);
+
+
+static void gst_musicbrainz_class_init (GstMusicBrainzClass *klass);
+static void gst_musicbrainz_base_init (GstMusicBrainzClass *klass);
+static void gst_musicbrainz_init (GstMusicBrainz *musicbrainz);
+
+static void gst_musicbrainz_chain (GstPad *pad, GstData *data);
+
+static void gst_musicbrainz_set_property (GObject *object, guint prop_id,
+ const GValue *value, GParamSpec *pspec);
+static void gst_musicbrainz_get_property (GObject *object, guint prop_id,
+ GValue *value, GParamSpec *pspec);
+
+static GstElementStateReturn
+ gst_musicbrainz_change_state (GstElement *element);
+
+
+static GstElementClass *parent_class = NULL;
+static guint gst_musicbrainz_signals[LAST_SIGNAL] = { 0 };
+
+
+GType
+gst_musicbrainz_get_type (void)
+{
+ static GType musicbrainz_type = 0;
+
+ if (!musicbrainz_type) {
+ static const GTypeInfo musicbrainz_info = {
+ sizeof(GstMusicBrainzClass),
+ (GBaseInitFunc) gst_musicbrainz_base_init,
+ NULL,
+ (GClassInitFunc) gst_musicbrainz_class_init,
+ NULL,
+ NULL,
+ sizeof(GstMusicBrainz),
+ 0,
+ (GInstanceInitFunc)gst_musicbrainz_init,
+ };
+ musicbrainz_type = g_type_register_static (GST_TYPE_ELEMENT,
+ "GstMusicBrainz",
+ &musicbrainz_info, 0);
+ }
+ return musicbrainz_type;
+}
+
+
+static void
+gst_musicbrainz_base_init (GstMusicBrainzClass *klass)
+{
+ GstElementDetails gst_musicbrainz_details = {
+ "Compute TRM Id",
+ "Codec/Audio/Decoder",
+ "Computr TRM Id from muscibrainz",
+ "Jeremy Simon <jsimon13@yahoo.fr>",
+ };
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&src_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_template));
+
+ gst_element_class_set_details (element_class, &gst_musicbrainz_details);
+}
+
+
+
+static void
+gst_musicbrainz_class_init (GstMusicBrainzClass *klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+
+ g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SIGNATURE,
+ g_param_spec_string ("signature","signature","signature",
+ NULL, G_PARAM_READABLE));
+ g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_ASCII_SIGNATURE,
+ g_param_spec_string ("ascii_signature","ascii_signature","ascii_signature",
+ NULL, G_PARAM_READABLE));
+
+ gobject_class->set_property = gst_musicbrainz_set_property;
+ gobject_class->get_property = gst_musicbrainz_get_property;
+
+ gst_musicbrainz_signals[SIGNAL_SIGNATURE_AVAILABLE] =
+ g_signal_new ("signture_available", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstMusicBrainzClass, signature_available), NULL, NULL,
+ g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
+
+ gstelement_class->change_state = gst_musicbrainz_change_state;
+}
+
+static GstPadLinkReturn
+gst_musicbrainz_sinkconnect (GstPad *pad, const GstCaps *caps)
+{
+ GstMusicBrainz *musicbrainz;
+ GstStructure *structure;
+ const gchar *mimetype;
+ gint width;
+
+ musicbrainz = GST_MUSICBRAINZ (gst_pad_get_parent (pad));
+
+ musicbrainz->caps = caps;
+
+ structure = gst_caps_get_structure (caps, 0);
+ mimetype = gst_structure_get_name (structure);
+
+ if (!gst_structure_get_int (structure, "depth", &musicbrainz->depth) ||
+ !gst_structure_get_int (structure, "width", &width))
+ return GST_PAD_LINK_REFUSED;
+
+ if (musicbrainz->depth != width)
+ return GST_PAD_LINK_REFUSED;
+
+ if (!gst_structure_get_int (structure, "channels", &musicbrainz->channels))
+ return GST_PAD_LINK_REFUSED;
+
+ if (!gst_structure_get_int (structure, "rate", &musicbrainz->rate))
+ return GST_PAD_LINK_REFUSED;
+
+ trm_SetPCMDataInfo (musicbrainz->trm, musicbrainz->rate, musicbrainz->channels, musicbrainz->depth);
+ musicbrainz->linked= TRUE;
+
+ return GST_PAD_LINK_OK;
+}
+
+
+static void
+gst_musicbrainz_init (GstMusicBrainz *musicbrainz)
+{
+ musicbrainz->sinkpad = gst_pad_new_from_template (
+ gst_static_pad_template_get (&sink_template), "sink");
+ gst_element_add_pad (GST_ELEMENT (musicbrainz), musicbrainz->sinkpad);
+ gst_pad_set_chain_function (musicbrainz->sinkpad, gst_musicbrainz_chain);
+ gst_pad_set_link_function (musicbrainz->sinkpad, gst_musicbrainz_sinkconnect);
+
+ musicbrainz->srcpad = gst_pad_new_from_template (
+ gst_static_pad_template_get (&src_template), "src");
+ gst_element_add_pad (GST_ELEMENT (musicbrainz), musicbrainz->srcpad);
+
+ musicbrainz->trm = NULL;
+ musicbrainz->linked = FALSE;
+ musicbrainz->data_available = FALSE;
+ musicbrainz->total_time = 0;
+ musicbrainz->signature_available = FALSE;
+
+ GST_FLAG_SET (musicbrainz, GST_ELEMENT_EVENT_AWARE);
+ /*GST_FLAG_SET(musicbrainz, GST_ELEMENT_THREAD_SUGGESTED);*/
+}
+
+static void
+gst_trm_handle_event (GstPad *pad, GstData *data)
+{
+ GstEvent *event = GST_EVENT (data);
+
+ gst_pad_event_default (pad, event);
+}
+
+static void
+gst_musicbrainz_chain (GstPad *pad, GstData *data)
+{
+ GstMusicBrainz *musicbrainz;
+ GstBuffer *buf;
+ static GstFormat format = GST_FORMAT_TIME;
+ gint64 nanos;
+
+ g_return_if_fail (pad != NULL);
+ g_return_if_fail (GST_IS_PAD (pad));
+
+ musicbrainz = GST_MUSICBRAINZ (gst_pad_get_parent (pad));
+
+ if (GST_IS_EVENT (data))
+ {
+ gst_trm_handle_event (pad, data);
+ return;
+ }
+
+ buf = GST_BUFFER (data);
+
+ if (musicbrainz->linked && !musicbrainz->data_available)
+ if (gst_pad_query (gst_pad_get_peer (pad), GST_QUERY_TOTAL, &format, &nanos))
+ {
+ musicbrainz->total_time = nanos / GST_SECOND;
+ trm_SetSongLength(musicbrainz->trm, musicbrainz->total_time);
+ musicbrainz->data_available = TRUE;
+
+ gst_pad_try_set_caps (musicbrainz->srcpad, musicbrainz->caps);
+ }
+
+ if (!musicbrainz->signature_available && trm_GenerateSignature (musicbrainz->trm, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf)))
+ {
+ GST_DEBUG ("Signature");
+
+ trm_FinalizeSignature(musicbrainz->trm, musicbrainz->signature, NULL);
+ trm_ConvertSigToASCII (musicbrainz->trm, musicbrainz->signature, musicbrainz->ascii_signature);
+g_print ("Signature : %s\n", musicbrainz->ascii_signature);
+ musicbrainz->signature_available = TRUE;
+ g_signal_emit (G_OBJECT(musicbrainz),gst_musicbrainz_signals[SIGNAL_SIGNATURE_AVAILABLE], 0);
+
+ GST_DEBUG ("Signature : %s", musicbrainz->ascii_signature);
+
+ musicbrainz->signature_available = TRUE;
+ }
+
+ gst_pad_push (musicbrainz->srcpad, data);
+}
+
+
+static void
+gst_musicbrainz_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+ GstMusicBrainz *musicbrainz;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail (GST_IS_MUSICBRAINZ (object));
+
+ musicbrainz = GST_MUSICBRAINZ (object);
+
+ switch (prop_id) {
+ case ARG_SIGNATURE:
+ case ARG_ASCII_SIGNATURE:
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+
+}
+
+static void
+gst_musicbrainz_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+ GstMusicBrainz *musicbrainz;
+
+ /* it's not null if we got it, but it might not be ours */
+ musicbrainz = GST_MUSICBRAINZ(object);
+
+ switch (prop_id) {
+ case ARG_SIGNATURE: {
+ g_value_set_string (value, musicbrainz->signature);
+ break;
+ }
+ case ARG_ASCII_SIGNATURE: {
+ g_value_set_string (value, musicbrainz->ascii_signature);
+ break;
+ }
+ default: {
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+ }
+}
+
+
+static GstElementStateReturn
+gst_musicbrainz_change_state (GstElement *element)
+{
+ GstMusicBrainz *musicbrainz;
+
+ g_return_val_if_fail (GST_IS_MUSICBRAINZ (element), GST_STATE_FAILURE);
+
+ musicbrainz = GST_MUSICBRAINZ (element);
+
+ switch (GST_STATE_TRANSITION (element)) {
+ case GST_STATE_READY_TO_PAUSED:
+ musicbrainz->trm = trm_New ();
+ break;
+ case GST_STATE_PAUSED_TO_READY:
+ trm_Delete (musicbrainz->trm);
+ musicbrainz->trm = NULL;
+ musicbrainz->linked = FALSE;
+ musicbrainz->data_available = FALSE;
+ musicbrainz->total_time = 0;
+ musicbrainz->signature_available = FALSE;
+ break;
+ default:
+ break;
+ }
+
+ if (GST_ELEMENT_CLASS (parent_class)->change_state)
+ return GST_ELEMENT_CLASS (parent_class)->change_state (element);
+
+ return GST_STATE_SUCCESS;
+}
+
+static gboolean
+plugin_init (GstPlugin *plugin)
+{
+ return gst_element_register (plugin, "trm",
+ GST_RANK_NONE,
+ GST_TYPE_MUSICBRAINZ);
+}
+
+
+GST_PLUGIN_DEFINE (
+ GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "trm",
+ "A trm signature producer",
+ plugin_init,
+ VERSION,
+ "GPL",
+ GST_PACKAGE,
+ GST_ORIGIN
+)
diff --git a/ext/musicbrainz/gsttrm.h b/ext/musicbrainz/gsttrm.h
new file mode 100644
index 00000000..6516f94d
--- /dev/null
+++ b/ext/musicbrainz/gsttrm.h
@@ -0,0 +1,82 @@
+/* GStreamer trm plugin
+ * Copyright (C) 2004 Jeremy Simon <jsimon13@yahoo.fr>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_MUSICBRAINZ_H__
+#define __GST_MUSICBRAINZ_H__
+
+#include <gst/gst.h>
+
+#include <musicbrainz/mb_c.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_MUSICBRAINZ \
+ (gst_musicbrainz_get_type())
+#define GST_MUSICBRAINZ(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MUSICBRAINZ,GstMusicBrainz))
+#define GST_MUSICBRAINZ_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MUSICBRAINZ,GstMusicBrainz))
+#define GST_IS_MUSICBRAINZ(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MUSICBRAINZ))
+#define GST_IS_MUSICBRAINZ_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MUSICBRAINZ))
+
+
+typedef struct _GstMusicBrainz GstMusicBrainz;
+typedef struct _GstMusicBrainzClass GstMusicBrainzClass;
+
+struct _GstMusicBrainz {
+ GstElement element;
+
+ GstPad *sinkpad;
+ GstPad *srcpad;
+ const GstCaps *caps;
+
+ trm_t trm;
+ gchar signature[17];
+ gchar ascii_signature[37];
+
+ guint depth;
+ guint rate;
+ guint channels;
+ gboolean linked;
+ gboolean data_available;
+ gboolean signature_available;
+ guint64 total_time;
+};
+
+struct _GstMusicBrainzClass {
+ GstElementClass parent_class;
+
+ /* signals */
+ void (*signature_available) (GstElement *element);
+};
+
+GType gst_musicbrainz_get_type(void);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_MUSICBRAINZE_H__ */
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 14:15:43 +0000