diff options
Diffstat (limited to 'pjsip-apps/src/3rdparty_media_sample/alt_pjsua_vid.c')
| -rw-r--r-- | pjsip-apps/src/3rdparty_media_sample/alt_pjsua_vid.c | 602 |
1 files changed, 602 insertions, 0 deletions
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 */ + |