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491 lines
14 KiB
C
491 lines
14 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gstafsink.c:
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gst/gst-i18n-plugin.h"
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#include <gst/gst.h>
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#include <string.h>
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#include <errno.h>
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#include "gstafsink.h"
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/* AFSink signals and args */
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enum
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{
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/* FILL ME */
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SIGNAL_HANDOFF,
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LAST_SIGNAL
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};
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enum
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{
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ARG_0,
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ARG_TYPE,
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ARG_OUTPUT_ENDIANNESS,
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ARG_LOCATION
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};
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/* added a sink factory function to force audio/raw MIME type */
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/* I think the caps can be broader, we need to change that somehow */
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static GstStaticPadTemplate afsink_sink_factory =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-int, "
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"rate = (int) [ 1, MAX ], "
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"channels = (int) [ 1, 2 ], "
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"endianness = (int) BYTE_ORDER, "
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"width = (int) { 8, 16 }, "
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"depth = (int) { 8, 16 }, " "signed = (boolean) { true, false }")
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);
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/* we use an enum for the output type arg */
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#define GST_TYPE_AFSINK_TYPES (gst_afsink_types_get_type())
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/* FIXME: fix the string ints to be string-converted from the audiofile.h types */
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static GType
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gst_afsink_types_get_type (void)
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{
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static GType afsink_types_type = 0;
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static GEnumValue afsink_types[] = {
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{AF_FILE_RAWDATA, "0", "raw PCM"},
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{AF_FILE_AIFFC, "1", "AIFFC"},
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{AF_FILE_AIFF, "2", "AIFF"},
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{AF_FILE_NEXTSND, "3", "Next/SND"},
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{AF_FILE_WAVE, "4", "Wave"},
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{0, NULL, NULL},
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};
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if (!afsink_types_type) {
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afsink_types_type =
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g_enum_register_static ("GstAudiosinkTypes", afsink_types);
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}
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return afsink_types_type;
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}
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static void gst_afsink_base_init (gpointer g_class);
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static void gst_afsink_class_init (GstAFSinkClass * klass);
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static void gst_afsink_init (GstAFSink * afsink);
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static gboolean gst_afsink_open_file (GstAFSink * sink);
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static void gst_afsink_close_file (GstAFSink * sink);
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static void gst_afsink_chain (GstPad * pad, GstData * _data);
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static void gst_afsink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_afsink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static gboolean gst_afsink_handle_event (GstPad * pad, GstEvent * event);
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static GstStateChangeReturn gst_afsink_change_state (GstElement * element,
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GstStateChange transition);
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static GstElementClass *parent_class = NULL;
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static guint gst_afsink_signals[LAST_SIGNAL] = { 0 };
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GType
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gst_afsink_get_type (void)
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{
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static GType afsink_type = 0;
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if (!afsink_type) {
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static const GTypeInfo afsink_info = {
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sizeof (GstAFSinkClass),
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gst_afsink_base_init,
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NULL,
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(GClassInitFunc) gst_afsink_class_init,
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NULL,
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NULL,
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sizeof (GstAFSink),
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0,
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(GInstanceInitFunc) gst_afsink_init,
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};
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afsink_type =
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g_type_register_static (GST_TYPE_ELEMENT, "GstAFSink", &afsink_info, 0);
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}
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return afsink_type;
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}
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static void
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gst_afsink_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&afsink_sink_factory));
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gst_element_class_set_static_metadata (element_class, "Audiofile sink",
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"Sink/Audio",
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"Write audio streams to disk using libaudiofile",
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"Thomas Vander Stichele <thomas@apestaart.org>");
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}
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static void
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gst_afsink_class_init (GstAFSinkClass * 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 = g_type_class_peek_parent (klass);
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gst_element_class_install_std_props (GST_ELEMENT_CLASS (klass),
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"location", ARG_LOCATION, G_PARAM_READWRITE, NULL);
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/* FIXME: add long property descriptions */
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TYPE,
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g_param_spec_enum ("type", "type", "type", GST_TYPE_AFSINK_TYPES, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (G_OBJECT_CLASS (klass),
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ARG_OUTPUT_ENDIANNESS, g_param_spec_int ("endianness", "endianness",
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"endianness", G_MININT, G_MAXINT, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gst_afsink_signals[SIGNAL_HANDOFF] =
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g_signal_new ("handoff", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstAFSinkClass, handoff), NULL, NULL,
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g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
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gobject_class->set_property = gst_afsink_set_property;
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gobject_class->get_property = gst_afsink_get_property;
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gstelement_class->change_state = gst_afsink_change_state;
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}
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static void
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gst_afsink_init (GstAFSink * afsink)
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{
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/* GstPad *pad; this is now done in the struct */
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afsink->sinkpad =
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gst_pad_new_from_template (gst_element_get_pad_template (GST_ELEMENT
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(afsink), "sink"), "sink");
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gst_element_add_pad (GST_ELEMENT (afsink), afsink->sinkpad);
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gst_pad_set_chain_function (afsink->sinkpad, gst_afsink_chain);
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afsink->filename = NULL;
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afsink->file = NULL;
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/* default values, should never be needed */
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afsink->channels = 2;
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afsink->width = 16;
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afsink->rate = 44100;
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afsink->type = AF_FILE_WAVE;
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afsink->endianness_data = 1234;
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afsink->endianness_wanted = 1234;
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}
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static void
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gst_afsink_set_property (GObject * object, guint prop_id, const GValue * value,
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GParamSpec * pspec)
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{
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GstAFSink *sink;
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sink = GST_AFSINK (object);
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switch (prop_id) {
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case ARG_LOCATION:
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/* the element must be stopped or paused in order to do this */
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g_return_if_fail ((GST_STATE (sink) < GST_STATE_PLAYING)
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|| (GST_STATE (sink) == GST_STATE_PAUSED));
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if (sink->filename)
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g_free (sink->filename);
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sink->filename = g_strdup (g_value_get_string (value));
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if ((GST_STATE (sink) == GST_STATE_PAUSED)
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&& (sink->filename != NULL)) {
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gst_afsink_close_file (sink);
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gst_afsink_open_file (sink);
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}
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break;
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case ARG_TYPE:
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sink->type = g_value_get_enum (value);
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break;
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case ARG_OUTPUT_ENDIANNESS:
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{
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int end = g_value_get_int (value);
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if (end == 1234 || end == 4321)
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sink->endianness_output = end;
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}
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break;
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default:
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break;
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}
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}
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static void
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gst_afsink_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstAFSink *sink;
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g_return_if_fail (GST_IS_AFSINK (object));
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sink = GST_AFSINK (object);
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switch (prop_id) {
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case ARG_LOCATION:
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g_value_set_string (value, sink->filename);
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break;
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case ARG_TYPE:
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g_value_set_enum (value, sink->type);
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break;
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case ARG_OUTPUT_ENDIANNESS:
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g_value_set_int (value, sink->endianness_output);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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gboolean
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gst_afsink_plugin_init (GstPlugin * plugin)
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{
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if (!gst_element_register (plugin, "afsink", GST_RANK_NONE, GST_TYPE_AFSINK))
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return FALSE;
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#ifdef ENABLE_NLS
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setlocale (LC_ALL, "");
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bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
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#endif /* ENABLE_NLS */
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return TRUE;
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}
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/* this is where we open the audiofile */
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static gboolean
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gst_afsink_open_file (GstAFSink * sink)
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{
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AFfilesetup outfilesetup;
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const GstCaps *caps;
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GstStructure *structure;
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int sample_format; /* audiofile's sample format, look in audiofile.h */
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int byte_order = 0; /* audiofile's byte order defines */
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g_return_val_if_fail (!GST_OBJECT_FLAG_IS_SET (sink, GST_AFSINK_OPEN), FALSE);
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/* get the audio parameters */
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g_return_val_if_fail (GST_IS_PAD (sink->sinkpad), FALSE);
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caps = GST_PAD_CAPS (sink->sinkpad);
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if (caps == NULL) {
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g_critical ("gstafsink chain : Could not get caps of pad !\n");
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} else {
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structure = gst_caps_get_structure (caps, 0);
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gst_structure_get_int (structure, "channels", &sink->channels);
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gst_structure_get_int (structure, "width", &sink->width);
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gst_structure_get_int (structure, "rate", &sink->rate);
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gst_structure_get_boolean (structure, "signed", &sink->is_signed);
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gst_structure_get_int (structure, "endianness", &sink->endianness_data);
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}
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GST_DEBUG ("channels %d, width %d, rate %d, signed %s",
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sink->channels, sink->width, sink->rate, sink->is_signed ? "yes" : "no");
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GST_DEBUG ("endianness: data %d, output %d",
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sink->endianness_data, sink->endianness_output);
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/* setup the output file */
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if (sink->is_signed)
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sample_format = AF_SAMPFMT_TWOSCOMP;
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else
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sample_format = AF_SAMPFMT_UNSIGNED;
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/* FIXME : this check didn't seem to work, so let the output endianness be set */
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/*
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if (sink->endianness_data == sink->endianness_wanted)
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byte_order = AF_BYTEORDER_LITTLEENDIAN;
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else
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byte_order = AF_BYTEORDER_BIGENDIAN;
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*/
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if (sink->endianness_output == 1234)
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byte_order = AF_BYTEORDER_LITTLEENDIAN;
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else
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byte_order = AF_BYTEORDER_BIGENDIAN;
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outfilesetup = afNewFileSetup ();
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afInitFileFormat (outfilesetup, sink->type);
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afInitChannels (outfilesetup, AF_DEFAULT_TRACK, sink->channels);
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afInitRate (outfilesetup, AF_DEFAULT_TRACK, sink->rate);
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afInitSampleFormat (outfilesetup, AF_DEFAULT_TRACK,
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sample_format, sink->width);
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/* open it */
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sink->file = afOpenFile (sink->filename, "w", outfilesetup);
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if (sink->file == AF_NULL_FILEHANDLE) {
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GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE,
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(_("Could not open file \"%s\" for writing."), sink->filename),
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("system error: %s", strerror (errno)));
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return FALSE;
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}
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afFreeFileSetup (outfilesetup);
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/* afSetVirtualByteOrder (sink->file, AF_DEFAULT_TRACK, byte_order); */
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GST_OBJECT_FLAG_SET (sink, GST_AFSINK_OPEN);
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return TRUE;
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}
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static void
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gst_afsink_close_file (GstAFSink * sink)
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{
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/* g_print ("DEBUG: closing sinkfile...\n"); */
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g_return_if_fail (GST_OBJECT_FLAG_IS_SET (sink, GST_AFSINK_OPEN));
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/* g_print ("DEBUG: past flag test\n"); */
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/* if (fclose (sink->file) != 0) */
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if (afCloseFile (sink->file) != 0) {
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GST_ELEMENT_ERROR (sink, RESOURCE, CLOSE,
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(_("Error closing file \"%s\"."), sink->filename), GST_ERROR_SYSTEM);
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} else {
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GST_OBJECT_FLAG_UNSET (sink, GST_AFSINK_OPEN);
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}
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}
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/**
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* gst_afsink_chain:
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* @pad: the pad this afsink is connected to
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* @buf: the buffer that has to be absorbed
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*
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* take the buffer from the pad and write to file if it's open
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*/
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static void
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gst_afsink_chain (GstPad * pad, GstData * _data)
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{
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GstBuffer *buf;
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GstAFSink *afsink;
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int ret = 0;
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g_return_if_fail (pad != NULL);
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g_return_if_fail (GST_IS_PAD (pad));
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if (GST_IS_EVENT (_data)) {
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gst_afsink_handle_event (pad, GST_EVENT (_data));
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return;
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}
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buf = GST_BUFFER (_data);
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afsink = GST_AFSINK (gst_pad_get_parent (pad));
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/* we use audiofile now
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if (GST_OBJECT_FLAG_IS_SET (afsink, GST_AFSINK_OPEN))
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{
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bytes_written = fwrite (GST_BUFFER_DATA (buf), 1, GST_BUFFER_SIZE (buf), afsink->file);
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if (bytes_written < GST_BUFFER_SIZE (buf))
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{
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printf ("afsink : Warning : %d bytes should be written, only %d bytes written\n",
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GST_BUFFER_SIZE (buf), bytes_written);
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}
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}
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*/
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if (!GST_OBJECT_FLAG_IS_SET (afsink, GST_AFSINK_OPEN)) {
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/* it's not open yet, open it */
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if (!gst_afsink_open_file (afsink))
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g_print ("WARNING: gstafsink: can't open file !\n");
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/* return FALSE; Can't return value */
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}
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if (GST_OBJECT_FLAG_IS_SET (afsink, GST_AFSINK_OPEN)) {
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int frameCount = 0;
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frameCount =
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GST_BUFFER_SIZE (buf) / ((afsink->width / 8) * afsink->channels);
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/* g_print ("DEBUG: writing %d frames ", frameCount); */
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ret = afWriteFrames (afsink->file, AF_DEFAULT_TRACK,
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GST_BUFFER_DATA (buf), frameCount);
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if (ret == AF_BAD_WRITE || ret == AF_BAD_LSEEK) {
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printf ("afsink : Warning : afWriteFrames returned an error (%d)\n", ret);
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}
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}
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gst_buffer_unref (buf);
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g_signal_emit (G_OBJECT (afsink), gst_afsink_signals[SIGNAL_HANDOFF], 0);
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}
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static GstStateChangeReturn
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gst_afsink_change_state (GstElement * element, GstStateChange transition)
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{
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g_return_val_if_fail (GST_IS_AFSINK (element), GST_STATE_CHANGE_FAILURE);
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/* if going to NULL? then close the file */
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if (GST_STATE_PENDING (element) == GST_STATE_NULL) {
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/* printf ("DEBUG: afsink state change: null pending\n"); */
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if (GST_OBJECT_FLAG_IS_SET (element, GST_AFSINK_OPEN)) {
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/* g_print ("DEBUG: trying to close the sink file\n"); */
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gst_afsink_close_file (GST_AFSINK (element));
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}
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}
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/*
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else
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this has been moved to the chain function, since it's only then that
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the caps are set and can be known
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{
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g_print ("DEBUG: it's not going to null\n");
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if (!GST_OBJECT_FLAG_IS_SET (element, GST_AFSINK_OPEN))
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{
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g_print ("DEBUG: GST_AFSINK_OPEN not set\n");
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if (!gst_afsink_open_file (GST_AFSINK (element)))
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{
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g_print ("DEBUG: element tries to open file\n");
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return GST_STATE_CHANGE_FAILURE;
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}
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}
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}
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*/
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if (GST_ELEMENT_CLASS (parent_class)->change_state)
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return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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return GST_STATE_CHANGE_SUCCESS;
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}
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/* this function was copied from sinesrc */
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|
|
|
static gboolean
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|
gst_afsink_handle_event (GstPad * pad, GstEvent * event)
|
|
{
|
|
GstAFSink *afsink;
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|
|
|
afsink = GST_AFSINK (gst_pad_get_parent (pad));
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|
GST_DEBUG ("DEBUG: afsink: got event");
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|
|
|
switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_EOS:
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|
gst_afsink_close_file (afsink);
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|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
gst_pad_event_default (pad, event);
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|
|
|
return TRUE;
|
|
}
|