| /* $Id$ */ |
| /* |
| * 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 <pjlib.h> |
| #include <pjlib-util.h> |
| #include <pjmedia.h> |
| #include <pjmedia-codec.h> |
| #include <pjmedia/transport_srtp.h> |
| |
| |
| #if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0) |
| |
| |
| #include <stdlib.h> /* atoi() */ |
| #include <stdio.h> |
| |
| #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_CODEC) && PJMEDIA_HAS_FFMPEG_CODEC != 0 |
| status = pjmedia_codec_ffmpeg_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_CODEC) && PJMEDIA_HAS_FFMPEG_CODEC != 0 |
| pjmedia_codec_ffmpeg_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 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 */ |
| codec_param.dec_fmt.det.vid.size.w = DEF_RENDERER_WIDTH; |
| 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; |
| |
| 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; |
| |
| 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 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(); |
| |
| /* 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 */ |