From f3ab456a17af1c89a6e3be4d20c5944853df1cb0 Mon Sep 17 00:00:00 2001
From: "David M. Lee" <dlee@digium.com>
Date: Mon, 7 Jan 2013 14:24:28 -0600
Subject: Import pjproject-2.0.1

---
 .../src/3rdparty_media_sample/alt_pjsua_vid.c      | 602 +++++++++++++++++++++
 1 file changed, 602 insertions(+)
 create mode 100644 pjsip-apps/src/3rdparty_media_sample/alt_pjsua_vid.c

(limited to 'pjsip-apps/src/3rdparty_media_sample/alt_pjsua_vid.c')

diff --git a/pjsip-apps/src/3rdparty_media_sample/alt_pjsua_vid.c b/pjsip-apps/src/3rdparty_media_sample/alt_pjsua_vid.c
new file mode 100644
index 0000000..08f7aff
--- /dev/null
+++ b/pjsip-apps/src/3rdparty_media_sample/alt_pjsua_vid.c
@@ -0,0 +1,602 @@
+/* $Id: alt_pjsua_vid.c 4174 2012-06-21 08:09:53Z bennylp $ */
+/* 
+ * Copyright (C) 2011-2011 Teluu Inc. (http://www.teluu.com)
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+#include <pjsua-lib/pjsua.h>
+#include <pjsua-lib/pjsua_internal.h>
+
+#if defined(PJSUA_MEDIA_HAS_PJMEDIA) && PJSUA_MEDIA_HAS_PJMEDIA != 0
+#  error The PJSUA_MEDIA_HAS_PJMEDIA should be declared as zero
+#endif
+
+#if PJSUA_HAS_VIDEO
+
+#define THIS_FILE		"alt_pjsua_vid.c"
+#define UNIMPLEMENTED(func)	PJ_LOG(2,(THIS_FILE, "*** Call to unimplemented function %s ***", #func));
+
+/*****************************************************************************
+ * Our video codec descriptors
+ */
+struct alt_codec_desc
+{
+    /* Predefined info */
+    pjmedia_vid_codec_info       info;
+    pjmedia_format_id		 base_fmt_id;
+    pj_uint32_t			 avg_bps;
+    pj_uint32_t			 max_bps;
+    pjmedia_codec_fmtp		 dec_fmtp;
+} alt_vid_codecs[] =
+{
+    /* H.263+ */
+    {
+	{PJMEDIA_FORMAT_H263P, PJMEDIA_RTP_PT_H263P, {"H263-1998",9},
+	 {"H.263 codec", 11}, 90000, PJMEDIA_DIR_ENCODING_DECODING,
+	 0, {PJMEDIA_FORMAT_RGB24}, PJMEDIA_VID_PACKING_PACKETS
+	},
+	PJMEDIA_FORMAT_H263,	256000,    512000,
+	{2, { {{"CIF",3},   {"1",1}},
+	      {{"QCIF",4},  {"1",1}}, } },
+    }
+};
+
+static const struct alt_codec_desc* find_codec_desc_by_info(const pjmedia_vid_codec_info *info)
+{
+    unsigned i;
+    for (i=0; i<PJ_ARRAY_SIZE(alt_vid_codecs); ++i) {
+	struct alt_codec_desc *desc = &alt_vid_codecs[i];
+	if ((desc->info.fmt_id == info->fmt_id) &&
+            ((desc->info.dir & info->dir) == info->dir) &&
+	    (desc->info.pt == info->pt) &&
+	    (desc->info.packings & info->packings))
+        {
+            return desc;
+        }
+    }
+
+    return NULL;
+}
+
+static pj_status_t alt_vid_codec_test_alloc( pjmedia_vid_codec_factory *factory,
+                                             const pjmedia_vid_codec_info *id )
+{
+    const struct alt_codec_desc *desc = find_codec_desc_by_info(id);
+    return desc? PJ_SUCCESS : PJMEDIA_CODEC_EUNSUP;
+}
+
+static pj_status_t alt_vid_codec_default_attr( pjmedia_vid_codec_factory *factory,
+                                               const pjmedia_vid_codec_info *info,
+                                               pjmedia_vid_codec_param *attr )
+{
+    const struct alt_codec_desc *desc = find_codec_desc_by_info(info);
+    unsigned i;
+
+    if (!desc)
+        return PJMEDIA_CODEC_EUNSUP;
+
+    pj_bzero(attr, sizeof(pjmedia_vid_codec_param));
+
+    /* Scan the requested packings and use the lowest number */
+    attr->packing = 0;
+    for (i=0; i<15; ++i) {
+	unsigned packing = (1 << i);
+	if ((desc->info.packings & info->packings) & packing) {
+	    attr->packing = (pjmedia_vid_packing)packing;
+	    break;
+	}
+    }
+    if (attr->packing == 0) {
+	/* No supported packing in info */
+	return PJMEDIA_CODEC_EUNSUP;
+    }
+
+    /* Direction */
+    attr->dir = desc->info.dir;
+
+    /* Encoded format */
+    pjmedia_format_init_video(&attr->enc_fmt, desc->info.fmt_id,
+                              720, 480, 30000, 1001);
+
+    /* Decoded format */
+    pjmedia_format_init_video(&attr->dec_fmt, desc->info.dec_fmt_id[0],
+                              //352, 288, 30000, 1001);
+                              720, 576, 30000, 1001);
+
+    /* Decoding fmtp */
+    attr->dec_fmtp = desc->dec_fmtp;
+
+    /* Bitrate */
+    attr->enc_fmt.det.vid.avg_bps = desc->avg_bps;
+    attr->enc_fmt.det.vid.max_bps = desc->max_bps;
+
+    /* MTU */
+    attr->enc_mtu = PJMEDIA_MAX_MTU;
+
+    return PJ_SUCCESS;
+}
+
+
+static pj_status_t alt_vid_codec_enum_codecs( pjmedia_vid_codec_factory *factory,
+					      unsigned *count,
+					      pjmedia_vid_codec_info codecs[])
+{
+    unsigned i, max_cnt;
+
+    PJ_ASSERT_RETURN(codecs && *count > 0, PJ_EINVAL);
+
+    max_cnt = PJ_MIN(*count, PJ_ARRAY_SIZE(alt_vid_codecs));
+    *count = 0;
+
+    for (i=0; i<max_cnt; ++i) {
+	pj_memcpy(&codecs[*count], &alt_vid_codecs[i].info,
+		  sizeof(pjmedia_vid_codec_info));
+	(*count)++;
+    }
+
+    return PJ_SUCCESS;
+}
+
+
+static pj_status_t alt_vid_codec_alloc_codec( pjmedia_vid_codec_factory *factory,
+					      const pjmedia_vid_codec_info *info,
+					      pjmedia_vid_codec **p_codec)
+{
+    /* This will never get called since we won't be using this codec */
+    UNIMPLEMENTED(alt_vid_codec_alloc_codec)
+    return PJ_ENOTSUP;
+}
+
+
+static pj_status_t alt_vid_codec_dealloc_codec( pjmedia_vid_codec_factory *factory,
+                                                pjmedia_vid_codec *codec )
+{
+    /* This will never get called since we won't be using this codec */
+    UNIMPLEMENTED(alt_vid_codec_dealloc_codec)
+    return PJ_ENOTSUP;
+}
+
+static pjmedia_vid_codec_factory_op alt_vid_codec_factory_op =
+{
+    &alt_vid_codec_test_alloc,
+    &alt_vid_codec_default_attr,
+    &alt_vid_codec_enum_codecs,
+    &alt_vid_codec_alloc_codec,
+    &alt_vid_codec_dealloc_codec
+};
+
+static struct alt_vid_codec_factory {
+    pjmedia_vid_codec_factory    base;
+} alt_vid_codec_factory;
+
+/*****************************************************************************
+ * Video API implementation
+ */
+
+/* Initialize the video library */
+pj_status_t pjsua_vid_subsys_init(void)
+{
+    pjmedia_vid_codec_mgr *mgr;
+    pj_status_t status;
+
+    /* Format manager singleton is needed */
+    status = pjmedia_video_format_mgr_create(pjsua_var.pool, 64, 0, NULL);
+    if (status != PJ_SUCCESS) {
+	PJ_PERROR(1,(THIS_FILE, status,
+		     "Error creating PJMEDIA video format manager"));
+	return status;
+    }
+
+    /* Create video codec manager singleton */
+    status = pjmedia_vid_codec_mgr_create(pjsua_var.pool, &mgr);
+    if (status != PJ_SUCCESS) {
+	PJ_PERROR(1,(THIS_FILE, status,
+		     "Error creating PJMEDIA video codec manager"));
+	return status;
+    }
+
+    /* Register our codecs */
+    alt_vid_codec_factory.base.op = &alt_vid_codec_factory_op;
+    alt_vid_codec_factory.base.factory_data = NULL;
+
+    status = pjmedia_vid_codec_mgr_register_factory(mgr, &alt_vid_codec_factory.base);
+    if (status != PJ_SUCCESS)
+	return status;
+
+    /*
+     * TODO: put your 3rd party library initialization routine here
+     */
+
+    return PJ_SUCCESS;
+}
+
+/* Start the video library */
+pj_status_t pjsua_vid_subsys_start(void)
+{
+    /*
+     * TODO: put your 3rd party library startup routine here
+     */
+    return PJ_SUCCESS;
+}
+
+/* Cleanup and deinitialize the video library */
+pj_status_t pjsua_vid_subsys_destroy(void)
+{
+    if (pjmedia_vid_codec_mgr_instance())
+	pjmedia_vid_codec_mgr_destroy(NULL);
+
+    if (pjmedia_video_format_mgr_instance())
+	pjmedia_video_format_mgr_destroy(NULL);
+
+    /*
+     * TODO: put your 3rd party library cleanup routine here
+     */
+    return PJ_SUCCESS;
+}
+
+/* Initialize video call media */
+pj_status_t pjsua_vid_channel_init(pjsua_call_media *call_med)
+{
+    /*
+     * TODO: put call media initialization
+     */
+    return PJ_SUCCESS;
+}
+
+/* Internal function to stop video stream */
+void pjsua_vid_stop_stream(pjsua_call_media *call_med)
+{
+    PJ_LOG(4,(THIS_FILE, "Stopping video stream.."));
+
+    if (call_med->tp) {
+	pjmedia_transport_detach(call_med->tp, call_med);
+    }
+
+    /*
+     * TODO:
+     *   - stop your video stream here
+     */
+
+}
+
+/* Our callback to receive incoming RTP packets */
+static void vid_rtp_cb(void *user_data, void *pkt, pj_ssize_t size)
+{
+    pjsua_call_media *call_med = (pjsua_call_media*) user_data;
+
+    /* TODO: Do something with the packet */
+    PJ_LOG(4,(THIS_FILE, "RX %d bytes video RTP packet", (int)size));
+}
+
+/* Our callback to receive RTCP packets */
+static void vid_rtcp_cb(void *user_data, void *pkt, pj_ssize_t size)
+{
+    pjsua_call_media *call_med = (pjsua_call_media*) user_data;
+
+    /* TODO: Do something with the packet here */
+    PJ_LOG(4,(THIS_FILE, "RX %d bytes video RTCP packet", (int)size));
+}
+
+/* A demo function to send dummy "RTP" packets periodically. You would not
+ * need to have this function in the real app!
+ */
+static void timer_to_send_vid_rtp(void *user_data)
+{
+    pjsua_call_media *call_med = (pjsua_call_media*) user_data;
+    const char *pkt = "Not RTP packet";
+
+    if (!call_med->call || !call_med->call->inv || !call_med->tp) {
+	/* Call has been disconnected. There is race condition here as
+	 * this cb may be called sometime after call has been disconnected */
+	return;
+    }
+
+    pjmedia_transport_send_rtp(call_med->tp, pkt, strlen(pkt));
+
+    pjsua_schedule_timer2(&timer_to_send_vid_rtp, call_med, 2000);
+}
+
+static void timer_to_send_vid_rtcp(void *user_data)
+{
+    pjsua_call_media *call_med = (pjsua_call_media*) user_data;
+    const char *pkt = "Not RTCP packet";
+
+    if (!call_med->call || !call_med->call->inv || !call_med->tp) {
+	/* Call has been disconnected. There is race condition here as
+	 * this cb may be called sometime after call has been disconnected */
+	return;
+    }
+
+    pjmedia_transport_send_rtcp(call_med->tp, pkt, strlen(pkt));
+
+    pjsua_schedule_timer2(&timer_to_send_vid_rtcp, call_med, 5000);
+}
+
+/* update video channel after SDP negotiation */
+pj_status_t pjsua_vid_channel_update(pjsua_call_media *call_med,
+				     pj_pool_t *tmp_pool,
+				     pjmedia_vid_stream_info *si,
+				     const pjmedia_sdp_session *local_sdp,
+				     const pjmedia_sdp_session *remote_sdp)
+{
+    pj_status_t status;
+    
+    PJ_LOG(4,(THIS_FILE, "Video channel update.."));
+    pj_log_push_indent();
+
+    /* Check if no media is active */
+    if (si->dir != PJMEDIA_DIR_NONE) {
+	/* Attach our RTP and RTCP callbacks to the media transport */
+	status = pjmedia_transport_attach(call_med->tp, call_med,
+	                                  &si->rem_addr, &si->rem_rtcp,
+	                                  pj_sockaddr_get_len(&si->rem_addr),
+	                                  &vid_rtp_cb, &vid_rtcp_cb);
+	/*
+	 * TODO:
+	 *   - Create and start your video stream based on the parameters
+	 *     in si
+	 */
+
+	/* For a demonstration, let's use a timer to send "RTP" packet
+	 * periodically.
+	 */
+	pjsua_schedule_timer2(&timer_to_send_vid_rtp, call_med, 1000);
+	pjsua_schedule_timer2(&timer_to_send_vid_rtcp, call_med, 3500);
+    }
+
+    pj_log_pop_indent();
+    return PJ_SUCCESS;
+}
+
+
+/*****************************************************************************
+ * Preview
+ */
+
+PJ_DEF(void)
+pjsua_call_vid_strm_op_param_default(pjsua_call_vid_strm_op_param *param)
+{
+    pj_bzero(param, sizeof(*param));
+    param->med_idx = -1;
+    param->dir = PJMEDIA_DIR_ENCODING_DECODING;
+    param->cap_dev = PJMEDIA_VID_DEFAULT_CAPTURE_DEV;
+}
+
+PJ_DEF(void) pjsua_vid_preview_param_default(pjsua_vid_preview_param *p)
+{
+    p->rend_id = PJMEDIA_VID_DEFAULT_RENDER_DEV;
+    p->show = PJ_TRUE;
+}
+
+PJ_DEF(pjsua_vid_win_id) pjsua_vid_preview_get_win(pjmedia_vid_dev_index id)
+{
+    UNIMPLEMENTED(pjsua_vid_preview_get_win)
+    return PJSUA_INVALID_ID;
+}
+
+/* Reset internal window structure. Not sure if this is needed?. */
+PJ_DEF(void) pjsua_vid_win_reset(pjsua_vid_win_id wid)
+{
+    pjsua_vid_win *w = &pjsua_var.win[wid];
+    pj_pool_t *pool = w->pool;
+
+    pj_bzero(w, sizeof(*w));
+    if (pool) pj_pool_reset(pool);
+    w->ref_cnt = 0;
+    w->pool = pool;
+    w->preview_cap_id = PJMEDIA_VID_INVALID_DEV;
+}
+
+/* Does it have built-in preview support. */
+PJ_DEF(pj_bool_t) pjsua_vid_preview_has_native(pjmedia_vid_dev_index id)
+{
+    UNIMPLEMENTED(pjsua_vid_preview_has_native)
+    return PJ_FALSE;
+}
+
+/* Start video preview window for the specified capture device. */
+PJ_DEF(pj_status_t) pjsua_vid_preview_start(pjmedia_vid_dev_index id,
+                                            const pjsua_vid_preview_param *prm)
+{
+    UNIMPLEMENTED(pjsua_vid_preview_start)
+    return PJ_ENOTSUP;
+}
+
+/* Stop video preview. */
+PJ_DEF(pj_status_t) pjsua_vid_preview_stop(pjmedia_vid_dev_index id)
+{
+    UNIMPLEMENTED(pjsua_vid_preview_stop)
+    return PJ_ENOTSUP;
+}
+
+
+/*****************************************************************************
+ * Devices.
+ */
+
+/* Get the number of video devices installed in the system. */
+PJ_DEF(unsigned) pjsua_vid_dev_count(void)
+{
+    UNIMPLEMENTED(pjsua_vid_dev_count)
+    return 0;
+}
+
+/* Retrieve the video device info for the specified device index. */
+PJ_DEF(pj_status_t) pjsua_vid_dev_get_info(pjmedia_vid_dev_index id,
+                                           pjmedia_vid_dev_info *vdi)
+{
+    UNIMPLEMENTED(pjsua_vid_dev_get_info)
+    return PJ_ENOTSUP;
+}
+
+/* Enum all video devices installed in the system. */
+PJ_DEF(pj_status_t) pjsua_vid_enum_devs(pjmedia_vid_dev_info info[],
+					unsigned *count)
+{
+    UNIMPLEMENTED(pjsua_vid_enum_devs)
+    return PJ_ENOTSUP;
+}
+
+
+/*****************************************************************************
+ * Codecs.
+ */
+
+/* Enum all supported video codecs in the system. */
+PJ_DEF(pj_status_t) pjsua_vid_enum_codecs( pjsua_codec_info id[],
+					   unsigned *p_count )
+{
+    pjmedia_vid_codec_info info[32];
+    unsigned i, j, count, prio[32];
+    pj_status_t status;
+
+    count = PJ_ARRAY_SIZE(info);
+    status = pjmedia_vid_codec_mgr_enum_codecs(NULL, &count, info, prio);
+    if (status != PJ_SUCCESS) {
+	*p_count = 0;
+	return status;
+    }
+    for (i=0, j=0; i<count && j<*p_count; ++i) {
+	if (info[i].packings & PJMEDIA_VID_PACKING_PACKETS) {
+	    pj_bzero(&id[j], sizeof(pjsua_codec_info));
+
+	    pjmedia_vid_codec_info_to_id(&info[i], id[j].buf_, sizeof(id[j].buf_));
+	    id[j].codec_id = pj_str(id[j].buf_);
+	    id[j].priority = (pj_uint8_t) prio[i];
+
+	    if (id[j].codec_id.slen < sizeof(id[j].buf_)) {
+		id[j].desc.ptr = id[j].codec_id.ptr + id[j].codec_id.slen + 1;
+		pj_strncpy(&id[j].desc, &info[i].encoding_desc,
+			   sizeof(id[j].buf_) - id[j].codec_id.slen - 1);
+	    }
+
+	    ++j;
+	}
+    }
+
+    *p_count = j;
+    return PJ_SUCCESS;
+}
+
+/* Change video codec priority. */
+PJ_DEF(pj_status_t) pjsua_vid_codec_set_priority( const pj_str_t *codec_id,
+						  pj_uint8_t priority )
+{
+    UNIMPLEMENTED(pjsua_vid_codec_set_priority)
+    return PJ_ENOTSUP;
+}
+
+/* Get video codec parameters. */
+PJ_DEF(pj_status_t) pjsua_vid_codec_get_param(
+					const pj_str_t *codec_id,
+					pjmedia_vid_codec_param *param)
+{
+    UNIMPLEMENTED(pjsua_vid_codec_get_param)
+    return PJ_ENOTSUP;
+}
+
+/* Set video codec parameters. */
+PJ_DEF(pj_status_t) pjsua_vid_codec_set_param(
+					const pj_str_t *codec_id,
+					const pjmedia_vid_codec_param *param)
+{
+    UNIMPLEMENTED(pjsua_vid_codec_set_param)
+    return PJ_ENOTSUP;
+}
+
+
+/*****************************************************************************
+ * Window
+ */
+
+/* Enumerates all video windows. */
+PJ_DEF(pj_status_t) pjsua_vid_enum_wins( pjsua_vid_win_id wids[],
+					 unsigned *count)
+{
+    UNIMPLEMENTED(pjsua_vid_enum_wins)
+    return PJ_ENOTSUP;
+}
+
+/* Get window info. */
+PJ_DEF(pj_status_t) pjsua_vid_win_get_info( pjsua_vid_win_id wid,
+                                            pjsua_vid_win_info *wi)
+{
+    UNIMPLEMENTED(pjsua_vid_win_get_info)
+    return PJ_ENOTSUP;
+}
+
+/* Show or hide window. */
+PJ_DEF(pj_status_t) pjsua_vid_win_set_show( pjsua_vid_win_id wid,
+                                            pj_bool_t show)
+{
+    UNIMPLEMENTED(pjsua_vid_win_set_show)
+    return PJ_ENOTSUP;
+}
+
+/* Set video window position. */
+PJ_DEF(pj_status_t) pjsua_vid_win_set_pos( pjsua_vid_win_id wid,
+                                           const pjmedia_coord *pos)
+{
+    UNIMPLEMENTED(pjsua_vid_win_set_pos)
+    return PJ_ENOTSUP;
+}
+
+/* Resize window. */
+PJ_DEF(pj_status_t) pjsua_vid_win_set_size( pjsua_vid_win_id wid,
+                                            const pjmedia_rect_size *size)
+{
+    UNIMPLEMENTED(pjsua_vid_win_set_size)
+    return PJ_ENOTSUP;
+}
+
+/* Set video orientation. */
+PJ_DEF(pj_status_t) pjsua_vid_win_rotate( pjsua_vid_win_id wid,
+                                          int angle)
+{
+    UNIMPLEMENTED(pjsua_vid_win_rotate)
+    return PJ_ENOTSUP;
+}
+
+/* Start, stop, and/or manipulate video transmission for the specified call. */
+PJ_DEF(pj_status_t) pjsua_call_set_vid_strm (
+				pjsua_call_id call_id,
+				pjsua_call_vid_strm_op op,
+				const pjsua_call_vid_strm_op_param *param)
+{
+    UNIMPLEMENTED(pjsua_call_set_vid_strm)
+    return PJ_ENOTSUP;
+}
+
+
+/* Get the media stream index of the default video stream in the call. */
+PJ_DEF(int) pjsua_call_get_vid_stream_idx(pjsua_call_id call_id)
+{
+    UNIMPLEMENTED(pjsua_call_get_vid_stream_idx)
+    return -1;
+}
+
+/* Determine if video stream for the specified call is currently running
+ * for the specified direction.
+ */
+PJ_DEF(pj_bool_t) pjsua_call_vid_stream_is_running( pjsua_call_id call_id,
+                                                    int med_idx,
+                                                    pjmedia_dir dir)
+{
+    UNIMPLEMENTED(pjsua_call_vid_stream_is_running)
+    return PJ_FALSE;
+}
+
+#endif	/* PJSUA_HAS_VIDEO */
+
-- 
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