368 lines
10 KiB
C
368 lines
10 KiB
C
/* This file is part of Clementine.
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Clementine is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Clementine 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "gstafcsrc.h"
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#include <stdlib.h>
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#include <string.h>
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#include <gst/gst.h>
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// Signals
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enum {
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LAST_SIGNAL
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};
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// Properties
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enum {
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PROP_0,
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PROP_LOCATION,
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};
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GST_DEBUG_CATEGORY_STATIC(gst_afc_src_debug);
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#define GST_CAT_DEFAULT gst_afc_src_debug
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static GstStaticPadTemplate src_factory = 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 ("ANY")
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);
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static void gst_afc_src_interface_init(GType type);
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static void gst_afc_src_uri_handler_init(gpointer iface, gpointer data);
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static void gst_afc_src_set_property(GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_afc_src_get_property(GObject * object, guint prop_id, GValue * value, GParamSpec * pspec);
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static void gst_afc_src_finalize(GObject* object);
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static gboolean gst_afc_src_start(GstBaseSrc* src);
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static gboolean gst_afc_src_stop(GstBaseSrc* src);
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static GstFlowReturn gst_afc_src_create(GstBaseSrc* src, guint64 offset, guint length, GstBuffer** buffer);
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static gboolean gst_afc_src_is_seekable(GstBaseSrc* src);
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static gboolean gst_afc_src_get_size(GstBaseSrc* src, guint64* size);
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GST_BOILERPLATE_FULL(GstAfcSrc, gst_afc_src, GstBaseSrc, GST_TYPE_BASE_SRC, gst_afc_src_interface_init);
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static void gst_afc_src_interface_init(GType type) {
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static const GInterfaceInfo urihandler_info = {
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gst_afc_src_uri_handler_init,
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NULL,
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NULL
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};
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GST_DEBUG_CATEGORY_INIT (gst_afc_src_debug, "afcsrc", 0, "iPod/iPhone Source");
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g_type_add_interface_static(type, GST_TYPE_URI_HANDLER, &urihandler_info);
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}
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static void gst_afc_src_base_init(gpointer gclass) {
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GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
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gst_element_class_set_details_simple(element_class,
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"iPod/iPhone Source",
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"Source/Afc",
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"Read using libimobiledevice",
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"David Sansome <me@davidsansome.com>");
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_factory));
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}
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static void gst_afc_src_class_init (GstAfcSrcClass* klass) {
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GObjectClass* gobject_class = (GObjectClass*) klass;
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GstBaseSrcClass* gstbasesrc_class = (GstBaseSrcClass*) klass;
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gobject_class->set_property = gst_afc_src_set_property;
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gobject_class->get_property = gst_afc_src_get_property;
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gobject_class->finalize = gst_afc_src_finalize;
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g_object_class_install_property(gobject_class, PROP_LOCATION,
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g_param_spec_string(
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"location", "URI",
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"The URI of the file to read, must be of the form afc://uuid/filename", NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_MUTABLE_READY));
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gstbasesrc_class->start = gst_afc_src_start;
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gstbasesrc_class->stop = gst_afc_src_stop;
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gstbasesrc_class->create = gst_afc_src_create;
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gstbasesrc_class->is_seekable = gst_afc_src_is_seekable;
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gstbasesrc_class->get_size = gst_afc_src_get_size;
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}
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static GstURIType gst_afc_src_uri_get_type() {
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return GST_URI_SRC;
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}
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static gchar** gst_afc_src_uri_get_protocols() {
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static const gchar* protocols[] = { "afc", NULL };
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return (char**) protocols;
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}
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static const gchar* gst_afc_src_uri_get_uri(GstURIHandler* handler) {
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GstAfcSrc* self = GST_AFCSRC(handler);
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return self->location_;
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}
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static gboolean gst_afc_src_uri_set_uri(GstURIHandler* handler, const gchar* uri) {
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GstAfcSrc* self = GST_AFCSRC(handler);
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self->location_ = g_strdup(uri);
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return TRUE;
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}
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static void gst_afc_src_uri_handler_init(gpointer g_iface, gpointer data) {
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GstURIHandlerInterface* iface = (GstURIHandlerInterface*) g_iface;
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iface->get_type = gst_afc_src_uri_get_type;
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iface->get_protocols = gst_afc_src_uri_get_protocols;
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iface->set_uri = gst_afc_src_uri_set_uri;
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iface->get_uri = gst_afc_src_uri_get_uri;
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}
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static void gst_afc_src_init(GstAfcSrc* element, GstAfcSrcClass* gclass) {
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element->location_ = NULL;
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element->uuid_ = NULL;
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element->path_ = NULL;
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element->connected_ = FALSE;
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element->afc_ = NULL;
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element->afc_port_ = 0;
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element->device_ = NULL;
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element->file_handle_ = 0;
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element->buffer_ = NULL;
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element->buffer_is_valid_ = FALSE;
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element->buffer_length_ = 0;
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element->buffer_offset_ = 0;
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}
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static void gst_afc_src_finalize(GObject* object) {
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GstAfcSrc* self = GST_AFCSRC(object);
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free(self->location_);
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free(self->uuid_);
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free(self->path_);
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free(self->buffer_);
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if (self->file_handle_)
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afc_file_close(self->afc_, self->file_handle_);
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if (self->afc_)
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afc_client_free(self->afc_);
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if (self->device_)
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idevice_free(self->device_);
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G_OBJECT_CLASS(parent_class)->finalize(object);
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}
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static void gst_afc_src_set_property(
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GObject* object, guint prop_id, const GValue* value, GParamSpec* pspec) {
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GstAfcSrc* self = GST_AFCSRC(object);
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switch (prop_id) {
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case PROP_LOCATION:
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self->location_ = g_strdup(g_value_get_string(value));
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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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static void gst_afc_src_get_property(
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GObject* object, guint prop_id, GValue* value, GParamSpec* pspec) {
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GstAfcSrc* self = GST_AFCSRC(object);
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switch (prop_id) {
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case PROP_LOCATION:
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g_value_set_string(value, self->location_);
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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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static gboolean gst_afc_src_start(GstBaseSrc* src) {
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GstAfcSrc* self = GST_AFCSRC(src);
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// Don't connect again
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if (self->connected_)
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return TRUE;
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// Check that a URI has been passed
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if (!self->location_ || self->location_[0] == '\0') {
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GST_ELEMENT_ERROR(src, RESOURCE, NOT_FOUND, ("No URI specified"), (NULL));
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return FALSE;
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}
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// Parse the URI
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// HERE BE DRAGONS
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gchar* location = gst_uri_get_location(self->location_);
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char* path_pos = strstr(location, "/");
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self->uuid_ = (char*) malloc(path_pos - location + 1);
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memcpy(self->uuid_, location, path_pos - location);
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self->uuid_[path_pos - location] = '\0';
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self->path_ = g_strdup(path_pos);
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g_free(location);
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// Open the device
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idevice_error_t err = idevice_new(&self->device_, self->uuid_);
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if (err != IDEVICE_E_SUCCESS) {
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GST_ELEMENT_ERROR(src, RESOURCE, NOT_FOUND, ("idevice error: %d", err), (NULL));
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return FALSE;
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}
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lockdownd_client_t lockdown;
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lockdownd_error_t lockdown_err =
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lockdownd_client_new_with_handshake(self->device_, &lockdown, "GstAfcSrc");
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if (lockdown_err != LOCKDOWN_E_SUCCESS) {
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GST_ELEMENT_ERROR(src, RESOURCE, NOT_FOUND, ("lockdown error: %d", lockdown_err), (NULL));
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return FALSE;
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}
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lockdown_err = lockdownd_start_service(lockdown, "com.apple.afc", &self->afc_port_);
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if (lockdown_err != LOCKDOWN_E_SUCCESS) {
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GST_ELEMENT_ERROR(src, RESOURCE, NOT_FOUND, ("lockdown error: %d", lockdown_err), (NULL));
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lockdownd_client_free(lockdown);
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return FALSE;
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}
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afc_error_t afc_err = afc_client_new(self->device_, self->afc_port_, &self->afc_);
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if (afc_err != 0) {
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GST_ELEMENT_ERROR(src, RESOURCE, NOT_FOUND, ("afc error: %d", afc_err), (NULL));
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lockdownd_client_free(lockdown);
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return FALSE;
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}
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lockdownd_client_free(lockdown);
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// Try opening the file
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afc_err = afc_file_open(self->afc_, self->path_, AFC_FOPEN_RDONLY, &self->file_handle_);
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if (afc_err != 0) {
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GST_ELEMENT_ERROR(src, RESOURCE, NOT_FOUND, ("afc error: %d", afc_err), (NULL));
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return FALSE;
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}
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self->connected_ = TRUE;
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return TRUE;
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}
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static gboolean gst_afc_src_stop(GstBaseSrc* src) {
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return TRUE;
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}
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static GstFlowReturn gst_afc_src_create(GstBaseSrc* src, guint64 offset, guint length, GstBuffer** buffer) {
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GstAfcSrc* self = GST_AFCSRC(src);
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GstBuffer* buf = gst_buffer_try_new_and_alloc(length);
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if (buf == NULL && length > 0) {
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GST_ERROR_OBJECT(src, "Failed to allocate %u bytes", length);
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return GST_FLOW_ERROR;
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}
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// Is this section within our cache?
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if (!self->buffer_is_valid_ || offset < self->buffer_offset_ ||
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offset + length > self->buffer_offset_ + self->buffer_length_) {
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// No - read from the device to fill our internal cache.
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// Always read twice the requested size so the next read(s) hit the cache too.
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if (self->buffer_length_ != length * 2) {
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self->buffer_ = (char*)realloc(self->buffer_, length * 2);
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self->buffer_is_valid_ = TRUE;
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self->buffer_length_ = length * 2;
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}
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self->buffer_offset_ = offset;
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uint32_t bytes_read = 0;
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afc_error_t err;
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err = afc_file_seek(self->afc_, self->file_handle_, offset, SEEK_SET);
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if (err == AFC_E_SUCCESS) {
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err = afc_file_read(self->afc_, self->file_handle_, self->buffer_, length * 2, &bytes_read);
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}
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if (err != AFC_E_SUCCESS) {
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gst_buffer_unref(buf);
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return GST_FLOW_ERROR;
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}
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}
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// Copy from our internal buffer to the output buffer
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memcpy(GST_BUFFER_DATA(buf), self->buffer_ + offset - self->buffer_offset_, length);
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*buffer = buf;
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return GST_FLOW_OK;
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}
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static gboolean gst_afc_src_is_seekable(GstBaseSrc* src) {
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return TRUE;
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}
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static gboolean gst_afc_src_get_size(GstBaseSrc* src, guint64* size) {
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GstAfcSrc* self = GST_AFCSRC(src);
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char** infolist = NULL;
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afc_error_t err = afc_get_file_info(self->afc_, self->path_, &infolist);
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if (err != AFC_E_SUCCESS || !infolist) {
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GST_ELEMENT_ERROR(src, RESOURCE, NOT_FOUND, ("afc error: %d", err), (NULL));
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return FALSE;
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}
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gboolean found_size = FALSE;
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char** p = infolist;
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while (*p != NULL) {
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if (g_strcmp0(*p, "st_size") == 0) {
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*size = strtoll(*(p+1), NULL, 0);
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found_size = TRUE;
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}
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free(*p); ++p;
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free(*p); ++p;
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}
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free(infolist);
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if (!found_size) {
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*size = 0;
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return FALSE;
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}
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return TRUE;
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}
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#define PACKAGE "Clementine"
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static gboolean afcsrc_init(GstPlugin* afcsrc) {
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return gst_element_register(afcsrc, "afcsrc", GST_RANK_PRIMARY, GST_TYPE_AFCSRC);
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}
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void afcsrc_register_static() {
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gst_plugin_register_static(
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GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"afcsrc",
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"iPod/iPhone Source",
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afcsrc_init,
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"0.1",
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"GPL",
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"Clementine",
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"Clementine",
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"http://www.clementine-player.org/");
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}
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