Imported Upstream version 1.1.1+rev1207upstream/1.1.1+rev1207

1 files changed, 404 insertions, 0 deletions

diff --git a/util/gnutv/gnutv_ca.c b/util/gnutv/gnutv_ca.c
new file mode 100644
index 0000000..5830f21
--- /dev/null
+++ b/util/gnutv/gnutv_ca.c
@@ -0,0 +1,404 @@
+/*
+	gnutv utility
+
+	Copyright (C) 2004, 2005 Manu Abraham <abraham.manu@gmail.com>
+	Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net)
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program 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 General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/poll.h>
+#include <pthread.h>
+#include <libdvben50221/en50221_stdcam.h>
+#include "gnutv.h"
+#include "gnutv_ca.h"
+
+
+
+#define MMI_STATE_CLOSED 0
+#define MMI_STATE_OPEN 1
+#define MMI_STATE_ENQ 2
+#define MMI_STATE_MENU 3
+
+static int gnutv_ca_info_callback(void *arg, uint8_t slot_id, uint16_t session_number, uint32_t ca_id_count, uint16_t *ca_ids);
+static int gnutv_ai_callback(void *arg, uint8_t slot_id, uint16_t session_number,
+			     uint8_t application_type, uint16_t application_manufacturer,
+			     uint16_t manufacturer_code, uint8_t menu_string_length,
+			     uint8_t *menu_string);
+
+static int gnutv_mmi_close_callback(void *arg, uint8_t slot_id, uint16_t session_number,
+				    uint8_t cmd_id, uint8_t delay);
+static int gnutv_mmi_display_control_callback(void *arg, uint8_t slot_id, uint16_t session_number,
+					      uint8_t cmd_id, uint8_t mmi_mode);
+static int gnutv_mmi_enq_callback(void *arg, uint8_t slot_id, uint16_t session_number,
+				  uint8_t blind_answer, uint8_t expected_answer_length,
+				  uint8_t *text, uint32_t text_size);
+static int gnutv_mmi_menu_callback(void *arg, uint8_t slot_id, uint16_t session_number,
+				   struct en50221_app_mmi_text *title,
+				   struct en50221_app_mmi_text *sub_title,
+				   struct en50221_app_mmi_text *bottom,
+				   uint32_t item_count, struct en50221_app_mmi_text *items,
+				   uint32_t item_raw_length, uint8_t *items_raw);
+static void *camthread_func(void* arg);
+
+static struct en50221_transport_layer *tl = NULL;
+static struct en50221_session_layer *sl = NULL;
+static struct en50221_stdcam *stdcam = NULL;
+
+static int ca_resource_connected = 0;
+static int mmi_state = MMI_STATE_CLOSED;
+static int mmi_enq_blind;
+static int mmi_enq_length;
+
+static int camthread_shutdown = 0;
+static pthread_t camthread;
+int moveca = 0;
+int seenpmt = 0;
+int cammenu = 0;
+
+char ui_line[256];
+uint32_t ui_linepos = 0;
+
+
+void gnutv_ca_start(struct gnutv_ca_params *params)
+{
+	// create transport layer
+	tl = en50221_tl_create(1, 16);
+	if (tl == NULL) {
+		fprintf(stderr, "Failed to create transport layer\n");
+		return;
+	}
+
+	// create session layer
+	sl = en50221_sl_create(tl, 16);
+	if (sl == NULL) {
+		fprintf(stderr, "Failed to create session layer\n");
+		en50221_tl_destroy(tl);
+		return;
+	}
+
+	// create the stdcam instance
+	stdcam = en50221_stdcam_create(params->adapter_id, params->caslot_num, tl, sl);
+	if (stdcam == NULL) {
+		en50221_sl_destroy(sl);
+		en50221_tl_destroy(tl);
+		return;
+	}
+
+	// hook up the AI callbacks
+	if (stdcam->ai_resource) {
+		en50221_app_ai_register_callback(stdcam->ai_resource, gnutv_ai_callback, stdcam);
+	}
+
+	// hook up the CA callbacks
+	if (stdcam->ca_resource) {
+		en50221_app_ca_register_info_callback(stdcam->ca_resource, gnutv_ca_info_callback, stdcam);
+	}
+
+	// hook up the MMI callbacks
+	if (params->cammenu) {
+		if (stdcam->mmi_resource) {
+			en50221_app_mmi_register_close_callback(stdcam->mmi_resource, gnutv_mmi_close_callback, stdcam);
+			en50221_app_mmi_register_display_control_callback(stdcam->mmi_resource, gnutv_mmi_display_control_callback, stdcam);
+			en50221_app_mmi_register_enq_callback(stdcam->mmi_resource, gnutv_mmi_enq_callback, stdcam);
+			en50221_app_mmi_register_menu_callback(stdcam->mmi_resource, gnutv_mmi_menu_callback, stdcam);
+			en50221_app_mmi_register_list_callback(stdcam->mmi_resource, gnutv_mmi_menu_callback, stdcam);
+		} else {
+			fprintf(stderr, "CAM Menus are not supported by this interface hardware\n");
+			exit(1);
+		}
+	}
+
+	// any other stuff
+	moveca = params->moveca;
+	cammenu = params->cammenu;
+
+	// start the cam thread
+	pthread_create(&camthread, NULL, camthread_func, NULL);
+}
+
+void gnutv_ca_stop(void)
+{
+	if (stdcam == NULL)
+		return;
+
+	// shutdown the cam thread
+	camthread_shutdown = 1;
+	pthread_join(camthread, NULL);
+
+	// destroy the stdcam
+	if (stdcam->destroy)
+		stdcam->destroy(stdcam, 1);
+
+	// destroy session layer
+	en50221_sl_destroy(sl);
+
+	// destroy transport layer
+	en50221_tl_destroy(tl);
+}
+
+void gnutv_ca_ui(void)
+{
+	// make up polling structure for stdin
+	struct pollfd pollfd;
+	pollfd.fd = 0;
+	pollfd.events = POLLIN|POLLPRI|POLLERR;
+
+	if (stdcam == NULL)
+		return;
+
+	// is there a character?
+	if (poll(&pollfd, 1, 10) != 1)
+		return;
+	if (pollfd.revents & POLLERR)
+		return;
+
+	// try to read the character
+	char c;
+	if (read(0, &c, 1) != 1)
+		return;
+	if (c == '\r') {
+		return;
+	} else if (c == '\n') {
+		switch(mmi_state) {
+		case MMI_STATE_CLOSED:
+		case MMI_STATE_OPEN:
+			if ((ui_linepos == 0) && (ca_resource_connected)) {
+				en50221_app_ai_entermenu(stdcam->ai_resource, stdcam->ai_session_number);
+			}
+			break;
+
+		case MMI_STATE_ENQ:
+			if (ui_linepos == 0) {
+				en50221_app_mmi_answ(stdcam->mmi_resource, stdcam->mmi_session_number,
+							MMI_ANSW_ID_CANCEL, NULL, 0);
+			} else {
+				en50221_app_mmi_answ(stdcam->mmi_resource, stdcam->mmi_session_number,
+							MMI_ANSW_ID_ANSWER, (uint8_t*) ui_line, ui_linepos);
+			}
+			mmi_state = MMI_STATE_OPEN;
+			break;
+
+		case MMI_STATE_MENU:
+			ui_line[ui_linepos] = 0;
+			en50221_app_mmi_menu_answ(stdcam->mmi_resource, stdcam->mmi_session_number,
+							atoi(ui_line));
+			mmi_state = MMI_STATE_OPEN;
+			break;
+		}
+		ui_linepos = 0;
+	} else {
+		if (ui_linepos < (sizeof(ui_line)-1)) {
+			ui_line[ui_linepos++] = c;
+		}
+	}
+}
+
+int gnutv_ca_new_pmt(struct mpeg_pmt_section *pmt)
+{
+	uint8_t capmt[4096];
+	int size;
+
+	if (stdcam == NULL)
+		return -1;
+
+	if (ca_resource_connected) {
+		fprintf(stderr, "Received new PMT - sending to CAM...\n");
+
+		// translate it into a CA PMT
+		int listmgmt = CA_LIST_MANAGEMENT_ONLY;
+		if (seenpmt) {
+			listmgmt = CA_LIST_MANAGEMENT_UPDATE;
+		}
+		seenpmt = 1;
+
+		if ((size = en50221_ca_format_pmt(pmt, capmt, sizeof(capmt), moveca, listmgmt,
+						  CA_PMT_CMD_ID_OK_DESCRAMBLING)) < 0) {
+			fprintf(stderr, "Failed to format PMT\n");
+			return -1;
+		}
+
+		// set it
+		if (en50221_app_ca_pmt(stdcam->ca_resource, stdcam->ca_session_number, capmt, size)) {
+			fprintf(stderr, "Failed to send PMT\n");
+			return -1;
+		}
+
+		// we've seen this PMT
+		return 1;
+	}
+
+	return 0;
+}
+
+void gnutv_ca_new_dvbtime(time_t dvb_time)
+{
+	if (stdcam == NULL)
+		return;
+
+	if (stdcam->dvbtime)
+		stdcam->dvbtime(stdcam, dvb_time);
+}
+
+static void *camthread_func(void* arg)
+{
+	(void) arg;
+	int entered_menu = 0;
+
+	while(!camthread_shutdown) {
+		stdcam->poll(stdcam);
+
+		if ((!entered_menu) && cammenu && ca_resource_connected && stdcam->mmi_resource) {
+			en50221_app_ai_entermenu(stdcam->ai_resource, stdcam->ai_session_number);
+			entered_menu = 1;
+		}
+	}
+
+	return 0;
+}
+
+static int gnutv_ai_callback(void *arg, uint8_t slot_id, uint16_t session_number,
+			     uint8_t application_type, uint16_t application_manufacturer,
+			     uint16_t manufacturer_code, uint8_t menu_string_length,
+			     uint8_t *menu_string)
+{
+	(void) arg;
+	(void) slot_id;
+	(void) session_number;
+
+	fprintf(stderr, "CAM Application type: %02x\n", application_type);
+	fprintf(stderr, "CAM Application manufacturer: %04x\n", application_manufacturer);
+	fprintf(stderr, "CAM Manufacturer code: %04x\n", manufacturer_code);
+	fprintf(stderr, "CAM Menu string: %.*s\n", menu_string_length, menu_string);
+
+	return 0;
+}
+
+static int gnutv_ca_info_callback(void *arg, uint8_t slot_id, uint16_t session_number, uint32_t ca_id_count, uint16_t *ca_ids)
+{
+	(void) arg;
+	(void) slot_id;
+	(void) session_number;
+
+	fprintf(stderr, "CAM supports the following ca system ids:\n");
+	uint32_t i;
+	for(i=0; i< ca_id_count; i++) {
+		fprintf(stderr, "  0x%04x\n", ca_ids[i]);
+	}
+	ca_resource_connected = 1;
+	return 0;
+}
+
+static int gnutv_mmi_close_callback(void *arg, uint8_t slot_id, uint16_t session_number,
+				    uint8_t cmd_id, uint8_t delay)
+{
+	(void) arg;
+	(void) slot_id;
+	(void) session_number;
+	(void) cmd_id;
+	(void) delay;
+
+	// note: not entirely correct as its supposed to delay if asked
+	mmi_state = MMI_STATE_CLOSED;
+	return 0;
+}
+
+static int gnutv_mmi_display_control_callback(void *arg, uint8_t slot_id, uint16_t session_number,
+					      uint8_t cmd_id, uint8_t mmi_mode)
+{
+	struct en50221_app_mmi_display_reply_details reply;
+	(void) arg;
+	(void) slot_id;
+
+	// don't support any commands but set mode
+	if (cmd_id != MMI_DISPLAY_CONTROL_CMD_ID_SET_MMI_MODE) {
+		en50221_app_mmi_display_reply(stdcam->mmi_resource, session_number,
+					      MMI_DISPLAY_REPLY_ID_UNKNOWN_CMD_ID, &reply);
+		return 0;
+	}
+
+	// we only support high level mode
+	if (mmi_mode != MMI_MODE_HIGH_LEVEL) {
+		en50221_app_mmi_display_reply(stdcam->mmi_resource, session_number,
+					      MMI_DISPLAY_REPLY_ID_UNKNOWN_MMI_MODE, &reply);
+		return 0;
+	}
+
+	// ack the high level open
+	reply.u.mode_ack.mmi_mode = mmi_mode;
+	en50221_app_mmi_display_reply(stdcam->mmi_resource, session_number,
+				      MMI_DISPLAY_REPLY_ID_MMI_MODE_ACK, &reply);
+	mmi_state = MMI_STATE_OPEN;
+	return 0;
+}
+
+static int gnutv_mmi_enq_callback(void *arg, uint8_t slot_id, uint16_t session_number,
+				  uint8_t blind_answer, uint8_t expected_answer_length,
+				  uint8_t *text, uint32_t text_size)
+{
+	(void) arg;
+	(void) slot_id;
+	(void) session_number;
+
+	fprintf(stderr, "%.*s: ", text_size, text);
+	fflush(stdout);
+
+	mmi_enq_blind = blind_answer;
+	mmi_enq_length = expected_answer_length;
+	mmi_state = MMI_STATE_ENQ;
+	return 0;
+}
+
+static int gnutv_mmi_menu_callback(void *arg, uint8_t slot_id, uint16_t session_number,
+				   struct en50221_app_mmi_text *title,
+				   struct en50221_app_mmi_text *sub_title,
+				   struct en50221_app_mmi_text *bottom,
+				   uint32_t item_count, struct en50221_app_mmi_text *items,
+				   uint32_t item_raw_length, uint8_t *items_raw)
+{
+	(void) arg;
+	(void) slot_id;
+	(void) session_number;
+	(void) item_raw_length;
+	(void) items_raw;
+
+	fprintf(stderr, "------------------------------\n");
+
+	if (title->text_length) {
+		fprintf(stderr, "%.*s\n", title->text_length, title->text);
+	}
+	if (sub_title->text_length) {
+		fprintf(stderr, "%.*s\n", sub_title->text_length, sub_title->text);
+	}
+
+	uint32_t i;
+	fprintf(stderr, "0. Quit menu\n");
+	for(i=0; i< item_count; i++) {
+		fprintf(stderr, "%i. %.*s\n", i+1, items[i].text_length, items[i].text);
+	}
+
+	if (bottom->text_length) {
+		fprintf(stderr, "%.*s\n", bottom->text_length, bottom->text);
+	}
+	fprintf(stderr, "Enter option: ");
+	fflush(stdout);
+
+	mmi_state = MMI_STATE_MENU;
+	return 0;
+}