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-rw-r--r--ext/audiofile/gstafsink.c508
1 files changed, 508 insertions, 0 deletions
diff --git a/ext/audiofile/gstafsink.c b/ext/audiofile/gstafsink.c
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+++ b/ext/audiofile/gstafsink.c
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+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ * 2000 Wim Taymans <wtay@chello.be>
+ *
+ * gstafsink.c:
+ *
+ * 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.
+ */
+
+
+#include <gst/gst.h>
+#include "gstafsink.h"
+
+
+static GstElementDetails afsink_details = {
+ "Audiofile Sink",
+ "Sink",
+ "Audiofile sink for audio/raw",
+ VERSION,
+ "Thomas <thomas@apestaart.org>",
+ "(C) 2001"
+};
+
+
+/* AFSink signals and args */
+enum {
+ /* FILL ME */
+ SIGNAL_HANDOFF,
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ ARG_TYPE,
+ ARG_OUTPUT_ENDIANNESS,
+ ARG_LOCATION
+};
+
+/* added a sink factory function to force audio/raw MIME type */
+/* I think the caps can be broader, we need to change that somehow */
+GST_PADTEMPLATE_FACTORY (afsink_sink_factory,
+ "sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_CAPS_NEW (
+ "audiofile_sink",
+ "audio/raw",
+ "format", GST_PROPS_STRING ("int"),
+ "law", GST_PROPS_INT (0),
+ "endianness", GST_PROPS_INT (G_BYTE_ORDER),
+ "signed", GST_PROPS_LIST (
+ GST_PROPS_BOOLEAN (TRUE),
+ GST_PROPS_BOOLEAN (FALSE)
+ ),
+ "width", GST_PROPS_INT_RANGE (8, 16),
+ "depth", GST_PROPS_INT_RANGE (8, 16),
+ "rate", GST_PROPS_INT_RANGE (4000, 48000), //FIXME
+ "channels", GST_PROPS_INT_RANGE (1, 2)
+ )
+);
+
+/* we use an enum for the output type arg */
+
+#define GST_TYPE_AFSINK_TYPES (gst_afsink_types_get_type())
+/* FIXME: fix the string ints to be string-converted from the audiofile.h types */
+static GType
+gst_afsink_types_get_type (void)
+{
+ static GType afsink_types_type = 0;
+ static GEnumValue afsink_types[] = {
+ {AF_FILE_RAWDATA, "0", "raw PCM"},
+ {AF_FILE_AIFFC, "1", "AIFFC"},
+ {AF_FILE_AIFF, "2", "AIFF"},
+ {AF_FILE_NEXTSND, "3", "Next/SND"},
+ {AF_FILE_WAVE, "4", "Wave"},
+ {0, NULL, NULL},
+ };
+
+ if (!afsink_types_type)
+ {
+ afsink_types_type = g_enum_register_static ("GstAudiosinkTypes", afsink_types);
+ }
+ return afsink_types_type;
+}
+
+static void gst_afsink_class_init (GstAFSinkClass *klass);
+static void gst_afsink_init (GstAFSink *afsink);
+
+static gboolean gst_afsink_open_file (GstAFSink *sink);
+static void gst_afsink_close_file (GstAFSink *sink);
+
+static void gst_afsink_chain (GstPad *pad,GstBuffer *buf);
+
+static void gst_afsink_set_property (GObject *object, guint prop_id, const GValue *value,
+ GParamSpec *pspec);
+static void gst_afsink_get_property (GObject *object, guint prop_id, GValue *value,
+ GParamSpec *pspec);
+
+static gboolean gst_afsink_handle_event (GstPad *pad, GstEvent *event);
+
+static GstElementStateReturn gst_afsink_change_state (GstElement *element);
+
+static GstElementClass *parent_class = NULL;
+static guint gst_afsink_signals[LAST_SIGNAL] = { 0 };
+
+GType
+gst_afsink_get_type (void)
+{
+ static GType afsink_type = 0;
+
+ if (!afsink_type) {
+ static const GTypeInfo afsink_info = {
+ sizeof (GstAFSinkClass), NULL,
+ NULL,
+ (GClassInitFunc) gst_afsink_class_init,
+ NULL,
+ NULL,
+ sizeof (GstAFSink),
+ 0,
+ (GInstanceInitFunc) gst_afsink_init,
+ };
+ afsink_type = g_type_register_static (GST_TYPE_ELEMENT, "GstAFSink", &afsink_info, 0);
+ }
+ return afsink_type;
+}
+
+static void
+gst_afsink_class_init (GstAFSinkClass *klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+
+ gst_element_install_std_props (
+ GST_ELEMENT_CLASS (klass),
+ "location", ARG_LOCATION, G_PARAM_READWRITE,
+ NULL);
+
+ g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TYPE,
+ g_param_spec_enum("type","type","type",
+ GST_TYPE_AFSINK_TYPES,0,G_PARAM_READWRITE)); // CHECKME!
+ g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_OUTPUT_ENDIANNESS,
+ g_param_spec_int("endianness","endianness","endianness",
+ G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); // CHECKME
+
+ gst_afsink_signals[SIGNAL_HANDOFF] =
+ g_signal_new ("handoff", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstAFSinkClass, handoff), NULL, NULL,
+ g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
+
+
+ gobject_class->set_property = gst_afsink_set_property;
+ gobject_class->get_property = gst_afsink_get_property;
+
+ gstelement_class->change_state = gst_afsink_change_state;
+}
+
+static void
+gst_afsink_init (GstAFSink *afsink)
+{
+ // GstPad *pad; this is now done in the struct
+
+ afsink->sinkpad = gst_pad_new_from_template (
+ GST_PADTEMPLATE_GET (afsink_sink_factory), "sink");
+ gst_element_add_pad (GST_ELEMENT (afsink), afsink->sinkpad);
+
+ gst_pad_set_chain_function (afsink->sinkpad, gst_afsink_chain);
+ gst_pad_set_event_function (afsink->sinkpad, gst_afsink_handle_event);
+
+ afsink->filename = NULL;
+ afsink->file = NULL;
+ /* default values, should never be needed */
+ afsink->channels = 2;
+ afsink->width = 16;
+ afsink->rate = 44100;
+ afsink->type = AF_FILE_WAVE;
+ afsink->endianness_data = 1234;
+ afsink->endianness_wanted = 1234;
+}
+
+static void
+gst_afsink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+ GstAFSink *sink;
+
+ /* it's not null if we got it, but it might not be ours */
+ sink = GST_AFSINK (object);
+
+ switch (prop_id) {
+ case ARG_LOCATION:
+ /* the element must be stopped or paused in order to do this */
+ g_return_if_fail ((GST_STATE (sink) < GST_STATE_PLAYING)
+ || (GST_STATE (sink) == GST_STATE_PAUSED));
+ if (sink->filename)
+ g_free (sink->filename);
+ sink->filename = g_strdup (g_value_get_string (value));
+ if ( (GST_STATE (sink) == GST_STATE_PAUSED)
+ && (sink->filename != NULL))
+ {
+ gst_afsink_close_file (sink);
+ gst_afsink_open_file (sink);
+ }
+
+ break;
+ case ARG_TYPE:
+ sink->type = g_value_get_enum (value);
+ break;
+ case ARG_OUTPUT_ENDIANNESS:
+ {
+ int end = g_value_get_int (value);
+ if (end == 1234 || end == 4321)
+ sink->endianness_output = end;
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+gst_afsink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+ GstAFSink *sink;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail (GST_IS_AFSINK (object));
+
+ sink = GST_AFSINK (object);
+
+ switch (prop_id) {
+ case ARG_LOCATION:
+ g_value_set_string (value, sink->filename);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+plugin_init (GModule *module, GstPlugin *plugin)
+{
+ GstElementFactory *factory;
+
+ factory = gst_elementfactory_new ("afsink", GST_TYPE_AFSINK,
+ &afsink_details);
+ g_return_val_if_fail (factory != NULL, FALSE);
+
+ gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (afsink_sink_factory));
+
+ gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+
+ return TRUE;
+}
+
+
+GstPluginDesc plugin_desc = {
+ GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "afsink",
+ plugin_init
+};
+
+/* this is where we open the audiofile */
+static gboolean
+gst_afsink_open_file (GstAFSink *sink)
+{
+ AFfilesetup outfilesetup;
+ GstCaps *caps;
+ int sample_format; /* audiofile's sample format, look in audiofile.h */
+ int byte_order = 0; /* audiofile's byte order defines */
+
+ g_return_val_if_fail (!GST_FLAG_IS_SET (sink, GST_AFSINK_OPEN), FALSE);
+
+ /* open the file */
+/* we use audiofile now
+ sink->file = fopen (sink->filename, "w");
+ if (sink->file == NULL) {
+ perror ("open");
+ gst_element_error (GST_ELEMENT (sink), g_strconcat("opening file \"", sink->filename, "\"", NULL));
+ return FALSE;
+ }
+*/
+
+ /* get the audio parameters */
+ caps = NULL;
+ g_return_val_if_fail (GST_IS_PAD (sink->sinkpad), FALSE);
+ caps = GST_PAD_CAPS (sink->sinkpad);
+
+ if (caps == NULL)
+ {
+ // FIXME : Please change this to a better warning method !
+ printf ("WARNING: gstafsink chain : Could not get caps of pad !\n");
+ }
+ else
+ {
+ sink->channels = gst_caps_get_int (caps, "channels");
+ sink->width = gst_caps_get_int (caps, "width");
+ sink->rate = gst_caps_get_int (caps, "rate");
+ sink->is_signed = gst_caps_get_int (caps, "signed");
+ sink->endianness_data = gst_caps_get_int (caps, "endianness");
+ }
+ GST_DEBUG (GST_CAT_PLUGIN_INFO, "channels %d, width %d, rate %d, signed %s\n",
+ sink->channels, sink->width, sink->rate,
+ sink->is_signed ? "yes" : "no");
+ GST_DEBUG (GST_CAT_PLUGIN_INFO, "endianness: data %d, output %d\n",
+ sink->endianness_data, sink->endianness_output);
+ /* setup the output file */
+ if (sink->is_signed)
+ sample_format = AF_SAMPFMT_TWOSCOMP;
+ else
+ sample_format = AF_SAMPFMT_UNSIGNED;
+ // FIXME : this check didn't seem to work, so let the output endianness be set */
+ /*
+ if (sink->endianness_data == sink->endianness_wanted)
+ byte_order = AF_BYTEORDER_LITTLEENDIAN;
+ else
+ byte_order = AF_BYTEORDER_BIGENDIAN;
+ */
+ if (sink->endianness_output == 1234)
+ byte_order = AF_BYTEORDER_LITTLEENDIAN;
+ else
+ byte_order = AF_BYTEORDER_BIGENDIAN;
+
+ outfilesetup = afNewFileSetup ();
+ afInitFileFormat (outfilesetup, sink->type);
+ afInitChannels (outfilesetup, AF_DEFAULT_TRACK, sink->channels);
+ afInitRate (outfilesetup, AF_DEFAULT_TRACK, sink->rate);
+ afInitSampleFormat (outfilesetup, AF_DEFAULT_TRACK,
+ sample_format, sink->width);
+
+ /* open it */
+ sink->file = afOpenFile (sink->filename, "w", outfilesetup);
+ if (sink->file == AF_NULL_FILEHANDLE)
+ {
+ perror ("open");
+ gst_element_error (GST_ELEMENT (sink), g_strconcat("opening file \"", sink->filename, "\"", NULL));
+ return FALSE;
+ }
+
+ afFreeFileSetup (outfilesetup);
+// afSetVirtualByteOrder (sink->file, AF_DEFAULT_TRACK, byte_order);
+
+ GST_FLAG_SET (sink, GST_AFSINK_OPEN);
+
+ return TRUE;
+}
+
+static void
+gst_afsink_close_file (GstAFSink *sink)
+{
+// g_print ("DEBUG: closing sinkfile...\n");
+ g_return_if_fail (GST_FLAG_IS_SET (sink, GST_AFSINK_OPEN));
+// g_print ("DEBUG: past flag test\n");
+// if (fclose (sink->file) != 0)
+ if (afCloseFile (sink->file) != 0)
+ {
+ g_print ("WARNING: afsink: oops, error closing !\n");
+ perror ("close");
+ gst_element_error (GST_ELEMENT (sink), g_strconcat("closing file \"", sink->filename, "\"", NULL));
+ }
+ else {
+ GST_FLAG_UNSET (sink, GST_AFSINK_OPEN);
+ }
+}
+
+/**
+ * gst_afsink_chain:
+ * @pad: the pad this afsink is connected to
+ * @buf: the buffer that has to be absorbed
+ *
+ * take the buffer from the pad and write to file if it's open
+ */
+static void
+gst_afsink_chain (GstPad *pad, GstBuffer *buf)
+{
+ GstAFSink *afsink;
+ int ret = 0;
+
+ g_return_if_fail (pad != NULL);
+ g_return_if_fail (GST_IS_PAD (pad));
+ g_return_if_fail (buf != NULL);
+
+ afsink = GST_AFSINK (gst_pad_get_parent (pad));
+/* we use audiofile now
+ if (GST_FLAG_IS_SET (afsink, GST_AFSINK_OPEN))
+ {
+ bytes_written = fwrite (GST_BUFFER_DATA (buf), 1, GST_BUFFER_SIZE (buf), afsink->file);
+ if (bytes_written < GST_BUFFER_SIZE (buf))
+ {
+ printf ("afsink : Warning : %d bytes should be written, only %d bytes written\n",
+ GST_BUFFER_SIZE (buf), bytes_written);
+ }
+ }
+*/
+
+ if (!GST_FLAG_IS_SET (afsink, GST_AFSINK_OPEN))
+ {
+ /* it's not open yet, open it */
+ if (!gst_afsink_open_file (afsink))
+ g_print ("WARNING: gstafsink: can't open file !\n");
+// return FALSE; Can't return value
+ }
+
+ if (GST_FLAG_IS_SET (afsink, GST_AFSINK_OPEN))
+ {
+ int frameCount = 0;
+
+ frameCount = GST_BUFFER_SIZE (buf) / ((afsink->width / 8) * afsink->channels);
+ // g_print ("DEBUG: writing %d frames ", frameCount);
+ ret = afWriteFrames (afsink->file, AF_DEFAULT_TRACK,
+ GST_BUFFER_DATA (buf), frameCount);
+ if (ret == AF_BAD_WRITE || ret == AF_BAD_LSEEK)
+ {
+ printf ("afsink : Warning : afWriteFrames returned an error (%d)\n", ret);
+ }
+ }
+
+ gst_buffer_unref (buf);
+
+ g_signal_emit (G_OBJECT (afsink), gst_afsink_signals[SIGNAL_HANDOFF], 0);
+}
+
+static GstElementStateReturn
+gst_afsink_change_state (GstElement *element)
+{
+ g_return_val_if_fail (GST_IS_AFSINK (element), GST_STATE_FAILURE);
+
+ /* if going to NULL? then close the file */
+ if (GST_STATE_PENDING (element) == GST_STATE_NULL)
+ {
+// printf ("DEBUG: afsink state change: null pending\n");
+ if (GST_FLAG_IS_SET (element, GST_AFSINK_OPEN))
+ {
+// g_print ("DEBUG: trying to close the sink file\n");
+ gst_afsink_close_file (GST_AFSINK (element));
+ }
+ }
+/*
+
+ else
+// this has been moved to the chain function, since it's only then that
+// the caps are set and can be known
+ {
+// g_print ("DEBUG: it's not going to null\n");
+ if (!GST_FLAG_IS_SET (element, GST_AFSINK_OPEN))
+ {
+// g_print ("DEBUG: GST_AFSINK_OPEN not set\n");
+ if (!gst_afsink_open_file (GST_AFSINK (element)))
+ {
+// g_print ("DEBUG: element tries to open file\n");
+ return GST_STATE_FAILURE;
+ }
+ }
+ }
+*/
+
+ if (GST_ELEMENT_CLASS (parent_class)->change_state)
+ return GST_ELEMENT_CLASS (parent_class)->change_state (element);
+
+ return GST_STATE_SUCCESS;
+}
+
+/* this function was copied from sinesrc */
+
+static gboolean
+gst_afsink_handle_event (GstPad *pad, GstEvent *event)
+{
+ GstAFSink *afsink;
+
+ afsink = GST_AFSINK (gst_pad_get_parent (pad));
+ GST_DEBUG (0, "DEBUG: afsink: got event\n");
+ gst_afsink_close_file (afsink);
+ GST_FLAG_SET (pad, GST_PAD_EOS);
+
+ return TRUE;
+}
+
+/*
+gboolean
+gst_afsink_factory_init (GstElementFactory *factory)
+{
+ GstPadTemplate *sink_pt;
+ sink_pt = afsink_sink_factory();
+ gst_elementfactory_add_padtemplate (factory, sink_pt);
+
+ return TRUE;
+
+}
+*/
+
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