/* $Id$ */ /* * Copyright (C) 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 */ /** * \page page_pjmedia_samples_vid_streamutil_c Samples: Video Streaming * * This example mainly demonstrates how to stream video to remote * peer using RTP. * * This file is pjsip-apps/src/samples/vid_streamutil.c * * \includelineno vid_streamutil.c */ #include #include #include #include #include #if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0) #include /* atoi() */ #include #include "util.h" static const char *desc = " vid_streamutil \n" "\n" " PURPOSE: \n" " Demonstrate how to use pjmedia video stream component to \n" " transmit/receive RTP packets to/from video device/file. \n" "\n" "\n" " USAGE: \n" " vid_streamutil [options] \n" "\n" "\n" " Options: \n" " --codec=CODEC Set the codec name. \n" " --local-port=PORT Set local RTP port (default=4000) \n" " --remote=IP:PORT Set the remote peer. If this option is set, \n" " the program will transmit RTP audio to the \n" " specified address. (default: recv only) \n" " --play-file=AVI Send video from the AVI file instead of from \n" " the video device. \n" " --send-recv Set stream direction to bidirectional. \n" " --send-only Set stream direction to send only \n" " --recv-only Set stream direction to recv only (default) \n" " --send-width Video width to be sent \n" " --send-height Video height to be sent \n" " --send-width and --send-height not applicable \n" " for file streaming (see --play-file) \n" " --send-pt Payload type for sending \n" " --recv-pt Payload type for receiving \n" #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) " --use-srtp[=NAME] Enable SRTP with crypto suite NAME \n" " e.g: AES_CM_128_HMAC_SHA1_80 (default), \n" " AES_CM_128_HMAC_SHA1_32 \n" " Use this option along with the TX & RX keys, \n" " formated of 60 hex digits (e.g: E148DA..) \n" " --srtp-tx-key SRTP key for transmiting \n" " --srtp-rx-key SRTP key for receiving \n" #endif "\n" ; #define THIS_FILE "vid_streamutil.c" /* If set, local renderer will be created to play original file */ #define HAS_LOCAL_RENDERER_FOR_PLAY_FILE 1 /* Default width and height for the renderer, better be set to maximum * acceptable size. */ #define DEF_RENDERER_WIDTH 640 #define DEF_RENDERER_HEIGHT 480 /* Prototype */ static void print_stream_stat(pjmedia_vid_stream *stream, const pjmedia_vid_codec_param *codec_param); /* Prototype for LIBSRTP utility in file datatypes.c */ int hex_string_to_octet_string(char *raw, char *hex, int len); /* * Register all codecs. */ static pj_status_t init_codecs(pj_pool_factory *pf) { pj_status_t status; /* To suppress warning about unused var when all codecs are disabled */ PJ_UNUSED_ARG(status); #if defined(PJMEDIA_HAS_FFMPEG_VID_CODEC) && PJMEDIA_HAS_FFMPEG_VID_CODEC != 0 status = pjmedia_codec_ffmpeg_vid_init(NULL, pf); PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); #endif return PJ_SUCCESS; } /* * Register all codecs. */ static void deinit_codecs() { #if defined(PJMEDIA_HAS_FFMPEG_VID_CODEC) && PJMEDIA_HAS_FFMPEG_VID_CODEC != 0 pjmedia_codec_ffmpeg_vid_deinit(); #endif } static pj_status_t create_file_player( pj_pool_t *pool, const char *file_name, pjmedia_port **p_play_port) { pjmedia_avi_streams *avi_streams; pjmedia_avi_stream *vid_stream; pjmedia_port *play_port; pj_status_t status; status = pjmedia_avi_player_create_streams(pool, file_name, 0, &avi_streams); if (status != PJ_SUCCESS) return status; vid_stream = pjmedia_avi_streams_get_stream_by_media(avi_streams, 0, PJMEDIA_TYPE_VIDEO); if (!vid_stream) return PJ_ENOTFOUND; play_port = pjmedia_avi_stream_get_port(vid_stream); pj_assert(play_port); *p_play_port = play_port; return PJ_SUCCESS; } /* * Create stream based on the codec, dir, remote address, etc. */ static pj_status_t create_stream( pj_pool_t *pool, pjmedia_endpt *med_endpt, const pjmedia_vid_codec_info *codec_info, pjmedia_vid_codec_param *codec_param, pjmedia_dir dir, pj_int8_t rx_pt, pj_int8_t tx_pt, pj_uint16_t local_port, const pj_sockaddr_in *rem_addr, #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) pj_bool_t use_srtp, const pj_str_t *crypto_suite, const pj_str_t *srtp_tx_key, const pj_str_t *srtp_rx_key, #endif pjmedia_vid_stream **p_stream ) { pjmedia_vid_stream_info info; pjmedia_transport *transport = NULL; pj_status_t status; #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) pjmedia_transport *srtp_tp = NULL; #endif /* Reset stream info. */ pj_bzero(&info, sizeof(info)); /* Initialize stream info formats */ info.type = PJMEDIA_TYPE_VIDEO; info.dir = dir; info.codec_info = *codec_info; info.tx_pt = (tx_pt == -1)? codec_info->pt : tx_pt; info.rx_pt = (rx_pt == -1)? codec_info->pt : rx_pt; info.ssrc = pj_rand(); if (codec_param) info.codec_param = codec_param; /* Copy remote address */ pj_memcpy(&info.rem_addr, rem_addr, sizeof(pj_sockaddr_in)); /* If remote address is not set, set to an arbitrary address * (otherwise stream will assert). */ if (info.rem_addr.addr.sa_family == 0) { const pj_str_t addr = pj_str("127.0.0.1"); pj_sockaddr_in_init(&info.rem_addr.ipv4, &addr, 0); } /* Create media transport */ status = pjmedia_transport_udp_create(med_endpt, NULL, local_port, 0, &transport); if (status != PJ_SUCCESS) return status; #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) /* Check if SRTP enabled */ if (use_srtp) { pjmedia_srtp_crypto tx_plc, rx_plc; status = pjmedia_transport_srtp_create(med_endpt, transport, NULL, &srtp_tp); if (status != PJ_SUCCESS) return status; pj_bzero(&tx_plc, sizeof(pjmedia_srtp_crypto)); pj_bzero(&rx_plc, sizeof(pjmedia_srtp_crypto)); tx_plc.key = *srtp_tx_key; tx_plc.name = *crypto_suite; rx_plc.key = *srtp_rx_key; rx_plc.name = *crypto_suite; status = pjmedia_transport_srtp_start(srtp_tp, &tx_plc, &rx_plc); if (status != PJ_SUCCESS) return status; transport = srtp_tp; } #endif /* Now that the stream info is initialized, we can create the * stream. */ status = pjmedia_vid_stream_create( med_endpt, pool, &info, transport, NULL, p_stream); if (status != PJ_SUCCESS) { app_perror(THIS_FILE, "Error creating stream", status); pjmedia_transport_close(transport); return status; } return PJ_SUCCESS; } typedef struct play_file_data { const char *file_name; pjmedia_port *play_port; pjmedia_port *stream_port; pjmedia_vid_codec *decoder; pjmedia_port *renderer; void *read_buf; pj_size_t read_buf_size; void *dec_buf; pj_size_t dec_buf_size; } play_file_data; static void clock_cb(const pj_timestamp *ts, void *user_data) { play_file_data *play_file = (play_file_data*)user_data; pjmedia_frame read_frame, write_frame; pj_status_t status; PJ_UNUSED_ARG(ts); /* Read frame from file */ read_frame.buf = play_file->read_buf; read_frame.size = play_file->read_buf_size; pjmedia_port_get_frame(play_file->play_port, &read_frame); /* Decode frame, if needed */ if (play_file->decoder) { pjmedia_vid_codec *decoder = play_file->decoder; write_frame.buf = play_file->dec_buf; write_frame.size = play_file->dec_buf_size; status = pjmedia_vid_codec_decode(decoder, 1, &read_frame, write_frame.size, &write_frame); if (status != PJ_SUCCESS) return; } else { write_frame = read_frame; } /* Display frame locally */ if (play_file->renderer) pjmedia_port_put_frame(play_file->renderer, &write_frame); /* Send frame */ pjmedia_port_put_frame(play_file->stream_port, &write_frame); } /* * usage() */ static void usage() { puts(desc); } /* * main() */ int main(int argc, char *argv[]) { pj_caching_pool cp; pjmedia_endpt *med_endpt; pj_pool_t *pool; pjmedia_vid_stream *stream = NULL; pjmedia_port *enc_port, *dec_port; pj_status_t status; pjmedia_vid_port *capture=NULL, *renderer=NULL; pjmedia_vid_port_param vpp; #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) /* SRTP variables */ pj_bool_t use_srtp = PJ_FALSE; char tmp_tx_key[64]; char tmp_rx_key[64]; pj_str_t srtp_tx_key = {NULL, 0}; pj_str_t srtp_rx_key = {NULL, 0}; pj_str_t srtp_crypto_suite = {NULL, 0}; int tmp_key_len; #endif /* Default values */ const pjmedia_vid_codec_info *codec_info; pjmedia_vid_codec_param codec_param; pjmedia_dir dir = PJMEDIA_DIR_DECODING; pj_sockaddr_in remote_addr; pj_uint16_t local_port = 4000; char *codec_id = NULL; pjmedia_rect_size tx_size = {0}; pj_int8_t rx_pt = -1, tx_pt = -1; play_file_data play_file = { NULL }; pjmedia_port *play_port = NULL; pjmedia_vid_codec *play_decoder = NULL; pjmedia_clock *play_clock = NULL; enum { OPT_CODEC = 'c', OPT_LOCAL_PORT = 'p', OPT_REMOTE = 'r', OPT_PLAY_FILE = 'f', OPT_SEND_RECV = 'b', OPT_SEND_ONLY = 's', OPT_RECV_ONLY = 'i', OPT_SEND_WIDTH = 'W', OPT_SEND_HEIGHT = 'H', OPT_RECV_PT = 't', OPT_SEND_PT = 'T', #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) OPT_USE_SRTP = 'S', #endif OPT_SRTP_TX_KEY = 'x', OPT_SRTP_RX_KEY = 'y', OPT_HELP = 'h', }; struct pj_getopt_option long_options[] = { { "codec", 1, 0, OPT_CODEC }, { "local-port", 1, 0, OPT_LOCAL_PORT }, { "remote", 1, 0, OPT_REMOTE }, { "play-file", 1, 0, OPT_PLAY_FILE }, { "send-recv", 0, 0, OPT_SEND_RECV }, { "send-only", 0, 0, OPT_SEND_ONLY }, { "recv-only", 0, 0, OPT_RECV_ONLY }, { "send-width", 1, 0, OPT_SEND_WIDTH }, { "send-height", 1, 0, OPT_SEND_HEIGHT }, { "recv-pt", 1, 0, OPT_RECV_PT }, { "send-pt", 1, 0, OPT_SEND_PT }, #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) { "use-srtp", 2, 0, OPT_USE_SRTP }, { "srtp-tx-key", 1, 0, OPT_SRTP_TX_KEY }, { "srtp-rx-key", 1, 0, OPT_SRTP_RX_KEY }, #endif { "help", 0, 0, OPT_HELP }, { NULL, 0, 0, 0 }, }; int c; int option_index; pj_bzero(&remote_addr, sizeof(remote_addr)); /* init PJLIB : */ status = pj_init(); PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); /* Parse arguments */ pj_optind = 0; while((c=pj_getopt_long(argc,argv, "h", long_options, &option_index))!=-1) { switch (c) { case OPT_CODEC: codec_id = pj_optarg; break; case OPT_LOCAL_PORT: local_port = (pj_uint16_t) atoi(pj_optarg); if (local_port < 1) { printf("Error: invalid local port %s\n", pj_optarg); return 1; } break; case OPT_REMOTE: { pj_str_t ip = pj_str(strtok(pj_optarg, ":")); pj_uint16_t port = (pj_uint16_t) atoi(strtok(NULL, ":")); status = pj_sockaddr_in_init(&remote_addr, &ip, port); if (status != PJ_SUCCESS) { app_perror(THIS_FILE, "Invalid remote address", status); return 1; } } break; case OPT_PLAY_FILE: play_file.file_name = pj_optarg; break; case OPT_SEND_RECV: dir = PJMEDIA_DIR_ENCODING_DECODING; break; case OPT_SEND_ONLY: dir = PJMEDIA_DIR_ENCODING; break; case OPT_RECV_ONLY: dir = PJMEDIA_DIR_DECODING; break; case OPT_SEND_WIDTH: tx_size.w = (unsigned)atoi(pj_optarg); break; case OPT_SEND_HEIGHT: tx_size.h = (unsigned)atoi(pj_optarg); break; case OPT_RECV_PT: rx_pt = (pj_int8_t)atoi(pj_optarg); break; case OPT_SEND_PT: tx_pt = (pj_int8_t)atoi(pj_optarg); break; #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) case OPT_USE_SRTP: use_srtp = PJ_TRUE; if (pj_optarg) { pj_strset(&srtp_crypto_suite, pj_optarg, strlen(pj_optarg)); } else { srtp_crypto_suite = pj_str("AES_CM_128_HMAC_SHA1_80"); } break; case OPT_SRTP_TX_KEY: tmp_key_len = hex_string_to_octet_string(tmp_tx_key, pj_optarg, strlen(pj_optarg)); pj_strset(&srtp_tx_key, tmp_tx_key, tmp_key_len/2); break; case OPT_SRTP_RX_KEY: tmp_key_len = hex_string_to_octet_string(tmp_rx_key, pj_optarg, strlen(pj_optarg)); pj_strset(&srtp_rx_key, tmp_rx_key, tmp_key_len/2); break; #endif case OPT_HELP: usage(); return 1; default: printf("Invalid options %s\n", argv[pj_optind]); return 1; } } /* Verify arguments. */ if (dir & PJMEDIA_DIR_ENCODING) { if (remote_addr.sin_addr.s_addr == 0) { printf("Error: remote address must be set\n"); return 1; } } if (play_file.file_name != NULL && dir != PJMEDIA_DIR_ENCODING) { printf("Direction is set to --send-only because of --play-file\n"); dir = PJMEDIA_DIR_ENCODING; } #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) /* SRTP validation */ if (use_srtp) { if (!srtp_tx_key.slen || !srtp_rx_key.slen) { printf("Error: Key for each SRTP stream direction must be set\n"); return 1; } } #endif /* Must create a pool factory before we can allocate any memory. */ pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0); /* * Initialize media endpoint. * This will implicitly initialize PJMEDIA too. */ status = pjmedia_endpt_create(&cp.factory, NULL, 1, &med_endpt); PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); /* Create memory pool for application purpose */ pool = pj_pool_create( &cp.factory, /* pool factory */ "app", /* pool name. */ 4000, /* init size */ 4000, /* increment size */ NULL /* callback on error */ ); /* Init video format manager */ pjmedia_video_format_mgr_create(pool, 64, 0, NULL); /* Init video converter manager */ pjmedia_converter_mgr_create(pool, NULL); /* Init event manager */ pjmedia_event_mgr_create(pool, 0, NULL); /* Init video codec manager */ pjmedia_vid_codec_mgr_create(pool, NULL); /* Init video subsystem */ pjmedia_vid_dev_subsys_init(&cp.factory); /* Register all supported codecs */ status = init_codecs(&cp.factory); PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); /* Find which codec to use. */ if (codec_id) { unsigned count = 1; pj_str_t str_codec_id = pj_str(codec_id); status = pjmedia_vid_codec_mgr_find_codecs_by_id(NULL, &str_codec_id, &count, &codec_info, NULL); if (status != PJ_SUCCESS) { printf("Error: unable to find codec %s\n", codec_id); return 1; } } else { static pjmedia_vid_codec_info info[1]; unsigned count = PJ_ARRAY_SIZE(info); /* Default to first codec */ pjmedia_vid_codec_mgr_enum_codecs(NULL, &count, info, NULL); codec_info = &info[0]; } /* Get codec default param for info */ status = pjmedia_vid_codec_mgr_get_default_param(NULL, codec_info, &codec_param); pj_assert(status == PJ_SUCCESS); /* Set outgoing video size */ if (tx_size.w && tx_size.h) codec_param.enc_fmt.det.vid.size = tx_size; #if DEF_RENDERER_WIDTH && DEF_RENDERER_HEIGHT /* Set incoming video size */ if (DEF_RENDERER_WIDTH > codec_param.dec_fmt.det.vid.size.w) codec_param.dec_fmt.det.vid.size.w = DEF_RENDERER_WIDTH; if (DEF_RENDERER_HEIGHT > codec_param.dec_fmt.det.vid.size.h) codec_param.dec_fmt.det.vid.size.h = DEF_RENDERER_HEIGHT; #endif if (play_file.file_name) { pjmedia_video_format_detail *file_vfd; pjmedia_clock_param clock_param; char fmt_name[5]; /* Create file player */ status = create_file_player(pool, play_file.file_name, &play_port); if (status != PJ_SUCCESS) goto on_exit; /* Collect format info */ file_vfd = pjmedia_format_get_video_format_detail(&play_port->info.fmt, PJ_TRUE); PJ_LOG(2, (THIS_FILE, "Reading video stream %dx%d %s @%.2ffps", file_vfd->size.w, file_vfd->size.h, pjmedia_fourcc_name(play_port->info.fmt.id, fmt_name), (1.0*file_vfd->fps.num/file_vfd->fps.denum))); /* Allocate file read buffer */ play_file.read_buf_size = PJMEDIA_MAX_VIDEO_ENC_FRAME_SIZE; play_file.read_buf = pj_pool_zalloc(pool, play_file.read_buf_size); /* Create decoder, if the file and the stream uses different codec */ if (codec_info->fmt_id != (pjmedia_format_id)play_port->info.fmt.id) { const pjmedia_video_format_info *dec_vfi; pjmedia_video_apply_fmt_param dec_vafp = {0}; const pjmedia_vid_codec_info *codec_info2; pjmedia_vid_codec_param codec_param2; /* Find decoder */ status = pjmedia_vid_codec_mgr_get_codec_info2(NULL, play_port->info.fmt.id, &codec_info2); if (status != PJ_SUCCESS) goto on_exit; /* Init decoder */ status = pjmedia_vid_codec_mgr_alloc_codec(NULL, codec_info2, &play_decoder); if (status != PJ_SUCCESS) goto on_exit; status = play_decoder->op->init(play_decoder, pool); if (status != PJ_SUCCESS) goto on_exit; /* Open decoder */ status = pjmedia_vid_codec_mgr_get_default_param(NULL, codec_info2, &codec_param2); if (status != PJ_SUCCESS) goto on_exit; codec_param2.dir = PJMEDIA_DIR_DECODING; status = play_decoder->op->open(play_decoder, &codec_param2); if (status != PJ_SUCCESS) goto on_exit; /* Get decoder format info and apply param */ dec_vfi = pjmedia_get_video_format_info(NULL, codec_info2->dec_fmt_id[0]); if (!dec_vfi || !dec_vfi->apply_fmt) { status = PJ_ENOTSUP; goto on_exit; } dec_vafp.size = file_vfd->size; (*dec_vfi->apply_fmt)(dec_vfi, &dec_vafp); /* Allocate buffer to receive decoder output */ play_file.dec_buf_size = dec_vafp.framebytes; play_file.dec_buf = pj_pool_zalloc(pool, play_file.dec_buf_size); } /* Create player clock */ clock_param.usec_interval = PJMEDIA_PTIME(&file_vfd->fps); clock_param.clock_rate = codec_info->clock_rate; status = pjmedia_clock_create2(pool, &clock_param, PJMEDIA_CLOCK_NO_HIGHEST_PRIO, &clock_cb, &play_file, &play_clock); if (status != PJ_SUCCESS) goto on_exit; /* Override stream codec param for encoding direction */ codec_param.enc_fmt.det.vid.size = file_vfd->size; codec_param.enc_fmt.det.vid.fps = file_vfd->fps; } else { pjmedia_vid_port_param_default(&vpp); /* Set as active for all video devices */ vpp.active = PJ_TRUE; /* Create video device port. */ if (dir & PJMEDIA_DIR_ENCODING) { /* Create capture */ status = pjmedia_vid_dev_default_param( pool, PJMEDIA_VID_DEFAULT_CAPTURE_DEV, &vpp.vidparam); if (status != PJ_SUCCESS) goto on_exit; pjmedia_format_copy(&vpp.vidparam.fmt, &codec_param.enc_fmt); vpp.vidparam.fmt.id = codec_param.dec_fmt.id; vpp.vidparam.dir = PJMEDIA_DIR_CAPTURE; status = pjmedia_vid_port_create(pool, &vpp, &capture); if (status != PJ_SUCCESS) goto on_exit; } if (dir & PJMEDIA_DIR_DECODING) { /* Create renderer */ status = pjmedia_vid_dev_default_param( pool, PJMEDIA_VID_DEFAULT_RENDER_DEV, &vpp.vidparam); if (status != PJ_SUCCESS) goto on_exit; pjmedia_format_copy(&vpp.vidparam.fmt, &codec_param.dec_fmt); vpp.vidparam.dir = PJMEDIA_DIR_RENDER; vpp.vidparam.disp_size = vpp.vidparam.fmt.det.vid.size; vpp.vidparam.flags |= PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW_FLAGS; vpp.vidparam.window_flags = PJMEDIA_VID_DEV_WND_BORDER | PJMEDIA_VID_DEV_WND_RESIZABLE; status = pjmedia_vid_port_create(pool, &vpp, &renderer); if (status != PJ_SUCCESS) goto on_exit; } } /* Set to ignore fmtp */ codec_param.ignore_fmtp = PJ_TRUE; /* Create stream based on program arguments */ status = create_stream(pool, med_endpt, codec_info, &codec_param, dir, rx_pt, tx_pt, local_port, &remote_addr, #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) use_srtp, &srtp_crypto_suite, &srtp_tx_key, &srtp_rx_key, #endif &stream); if (status != PJ_SUCCESS) goto on_exit; /* Get the port interface of the stream */ status = pjmedia_vid_stream_get_port(stream, PJMEDIA_DIR_ENCODING, &enc_port); PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); status = pjmedia_vid_stream_get_port(stream, PJMEDIA_DIR_DECODING, &dec_port); PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); /* Start streaming */ status = pjmedia_vid_stream_start(stream); if (status != PJ_SUCCESS) goto on_exit; /* Start renderer */ if (renderer) { status = pjmedia_vid_port_connect(renderer, dec_port, PJ_FALSE); if (status != PJ_SUCCESS) goto on_exit; status = pjmedia_vid_port_start(renderer); if (status != PJ_SUCCESS) goto on_exit; } /* Start capture */ if (capture) { status = pjmedia_vid_port_connect(capture, enc_port, PJ_FALSE); if (status != PJ_SUCCESS) goto on_exit; status = pjmedia_vid_port_start(capture); if (status != PJ_SUCCESS) goto on_exit; } /* Start playing file */ if (play_file.file_name) { #if HAS_LOCAL_RENDERER_FOR_PLAY_FILE /* Create local renderer */ pjmedia_vid_port_param_default(&vpp); vpp.active = PJ_FALSE; status = pjmedia_vid_dev_default_param( pool, PJMEDIA_VID_DEFAULT_RENDER_DEV, &vpp.vidparam); if (status != PJ_SUCCESS) goto on_exit; vpp.vidparam.dir = PJMEDIA_DIR_RENDER; pjmedia_format_copy(&vpp.vidparam.fmt, &codec_param.dec_fmt); vpp.vidparam.fmt.det.vid.size = play_port->info.fmt.det.vid.size; vpp.vidparam.fmt.det.vid.fps = play_port->info.fmt.det.vid.fps; vpp.vidparam.disp_size = vpp.vidparam.fmt.det.vid.size; vpp.vidparam.flags |= PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW_FLAGS; vpp.vidparam.window_flags = PJMEDIA_VID_DEV_WND_BORDER | PJMEDIA_VID_DEV_WND_RESIZABLE; status = pjmedia_vid_port_create(pool, &vpp, &renderer); if (status != PJ_SUCCESS) goto on_exit; status = pjmedia_vid_port_start(renderer); if (status != PJ_SUCCESS) goto on_exit; #endif /* Init play file data */ play_file.play_port = play_port; play_file.stream_port = enc_port; play_file.decoder = play_decoder; if (renderer) { play_file.renderer = pjmedia_vid_port_get_passive_port(renderer); } status = pjmedia_clock_start(play_clock); if (status != PJ_SUCCESS) goto on_exit; } /* Done */ if (dir == PJMEDIA_DIR_DECODING) printf("Stream is active, dir is recv-only, local port is %d\n", local_port); else if (dir == PJMEDIA_DIR_ENCODING) printf("Stream is active, dir is send-only, sending to %s:%d\n", pj_inet_ntoa(remote_addr.sin_addr), pj_ntohs(remote_addr.sin_port)); else printf("Stream is active, send/recv, local port is %d, " "sending to %s:%d\n", local_port, pj_inet_ntoa(remote_addr.sin_addr), pj_ntohs(remote_addr.sin_port)); if (dir & PJMEDIA_DIR_ENCODING) PJ_LOG(2, (THIS_FILE, "Sending %dx%d %.*s @%.2ffps", codec_param.enc_fmt.det.vid.size.w, codec_param.enc_fmt.det.vid.size.h, codec_info->encoding_name.slen, codec_info->encoding_name.ptr, (1.0*codec_param.enc_fmt.det.vid.fps.num/ codec_param.enc_fmt.det.vid.fps.denum))); for (;;) { char tmp[10]; puts(""); puts("Commands:"); puts(" q Quit"); puts(""); printf("Command: "); fflush(stdout); if (fgets(tmp, sizeof(tmp), stdin) == NULL) { puts("EOF while reading stdin, will quit now.."); break; } if (tmp[0] == 'q') break; } /* Start deinitialization: */ on_exit: /* Stop video devices */ if (capture) pjmedia_vid_port_stop(capture); if (renderer) pjmedia_vid_port_stop(renderer); /* Stop and destroy file clock */ if (play_clock) { pjmedia_clock_stop(play_clock); pjmedia_clock_destroy(play_clock); } /* Destroy file reader/player */ if (play_port) pjmedia_port_destroy(play_port); /* Destroy file decoder */ if (play_decoder) { play_decoder->op->close(play_decoder); pjmedia_vid_codec_mgr_dealloc_codec(NULL, play_decoder); } /* Destroy video devices */ if (capture) pjmedia_vid_port_destroy(capture); if (renderer) pjmedia_vid_port_destroy(renderer); /* Destroy stream */ if (stream) { pjmedia_transport *tp; tp = pjmedia_vid_stream_get_transport(stream); pjmedia_vid_stream_destroy(stream); pjmedia_transport_close(tp); } /* Deinit codecs */ deinit_codecs(); /* Shutdown video subsystem */ pjmedia_vid_dev_subsys_shutdown(); /* Destroy event manager */ pjmedia_event_mgr_destroy(NULL); /* Release application pool */ pj_pool_release( pool ); /* Destroy media endpoint. */ pjmedia_endpt_destroy( med_endpt ); /* Destroy pool factory */ pj_caching_pool_destroy( &cp ); /* Shutdown PJLIB */ pj_shutdown(); return (status == PJ_SUCCESS) ? 0 : 1; } #else int main(int argc, char *argv[]) { PJ_UNUSED_ARG(argc); PJ_UNUSED_ARG(argv); puts("Error: this sample requires video capability (PJMEDIA_HAS_VIDEO == 1)"); return -1; } #endif /* PJMEDIA_HAS_VIDEO */