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pjproject/pjmedia/src/test/vid_dev_test.c

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/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* 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 "test.h"
#include <pjmedia-audiodev/audiodev.h>
#include <pjmedia-codec/ffmpeg_vid_codecs.h>
#include <pjmedia/vid_codec.h>
#include <pjmedia_videodev.h>
#if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0)
#define THIS_FILE "vid_dev_test.c"
#define LOOP_DURATION 10
static pj_bool_t is_quitting = PJ_FALSE;
static const char *vid_dir_name(pjmedia_dir dir)
{
switch (dir) {
case PJMEDIA_DIR_CAPTURE:
return "capture";
case PJMEDIA_DIR_RENDER:
return "render";
case PJMEDIA_DIR_CAPTURE_RENDER:
return "capture & render";
default:
return "unknown";
}
}
static int enum_devs(void)
{
unsigned i, dev_cnt;
pj_status_t status;
PJ_LOG(3, (THIS_FILE, " Enum video devices:"));
dev_cnt = pjmedia_vid_dev_count();
for (i = 0; i < dev_cnt; ++i) {
pjmedia_vid_dev_info di;
status = pjmedia_vid_dev_get_info(i, &di);
if (status == PJ_SUCCESS) {
unsigned j;
PJ_LOG(3, (THIS_FILE, " %3d: %s (%s) - %s", i, di.name, di.driver,
vid_dir_name(di.dir)));
PJ_LOG(3,(THIS_FILE, " Supported formats:"));
for (j=0; j<di.fmt_cnt; ++j) {
const pjmedia_video_format_info *vfi;
vfi = pjmedia_get_video_format_info(NULL, di.fmt[j].id);
PJ_LOG(3,(THIS_FILE, " %s",
(vfi ? vfi->name : "unknown")));
}
}
}
return PJ_SUCCESS;
}
static pj_status_t vid_event_cb(pjmedia_event *event,
void *user_data)
{
PJ_UNUSED_ARG(user_data);
if (event->type == PJMEDIA_EVENT_WND_CLOSED)
is_quitting = PJ_TRUE;
return PJ_SUCCESS;
}
static int capture_render_loopback(int cap_dev_id, int rend_dev_id,
const pjmedia_format *fmt)
{
pj_pool_t *pool;
pjmedia_vid_port *capture=NULL, *renderer=NULL;
pjmedia_vid_dev_info cdi, rdi;
pjmedia_vid_port_param param;
pjmedia_video_format_detail *vfd;
pj_status_t status;
int rc = 0, i;
pool = pj_pool_create(mem, "vidloop", 1000, 1000, NULL);
status = pjmedia_vid_dev_get_info(cap_dev_id, &cdi);
if (status != PJ_SUCCESS)
goto on_return;
status = pjmedia_vid_dev_get_info(rend_dev_id, &rdi);
if (status != PJ_SUCCESS)
goto on_return;
PJ_LOG(3,(THIS_FILE,
" %s (%s) ===> %s (%s)\t%s\t%dx%d\t@%d:%d fps",
cdi.name, cdi.driver, rdi.name, rdi.driver,
pjmedia_get_video_format_info(NULL, fmt->id)->name,
fmt->det.vid.size.w, fmt->det.vid.size.h,
fmt->det.vid.fps.num, fmt->det.vid.fps.denum));
pjmedia_vid_port_param_default(&param);
/* Create capture, set it to active (master) */
status = pjmedia_vid_dev_default_param(pool, cap_dev_id,
&param.vidparam);
if (status != PJ_SUCCESS) {
rc = 100; goto on_return;
}
param.vidparam.dir = PJMEDIA_DIR_CAPTURE;
param.vidparam.fmt = *fmt;
param.active = PJ_TRUE;
if (param.vidparam.fmt.detail_type != PJMEDIA_FORMAT_DETAIL_VIDEO) {
rc = 103; goto on_return;
}
vfd = pjmedia_format_get_video_format_detail(&param.vidparam.fmt, PJ_TRUE);
if (vfd == NULL) {
rc = 105; goto on_return;
}
status = pjmedia_vid_port_create(pool, &param, &capture);
if (status != PJ_SUCCESS) {
rc = 110; goto on_return;
}
/* Create renderer, set it to passive (slave) */
status = pjmedia_vid_dev_default_param(pool, rend_dev_id,
&param.vidparam);
if (status != PJ_SUCCESS) {
rc = 120; goto on_return;
}
param.active = PJ_FALSE;
param.vidparam.dir = PJMEDIA_DIR_RENDER;
param.vidparam.rend_id = rend_dev_id;
param.vidparam.fmt = *fmt;
param.vidparam.disp_size = vfd->size;
status = pjmedia_vid_port_create(pool, &param, &renderer);
if (status != PJ_SUCCESS) {
rc = 130; goto on_return;
}
/* Set event handler */
pjmedia_event_subscribe(NULL, &vid_event_cb, NULL, renderer);
/* Connect capture to renderer */
status = pjmedia_vid_port_connect(
capture,
pjmedia_vid_port_get_passive_port(renderer),
PJ_FALSE);
if (status != PJ_SUCCESS) {
rc = 140; goto on_return;
}
/* Start streaming.. */
status = pjmedia_vid_port_start(renderer);
if (status != PJ_SUCCESS) {
rc = 150; goto on_return;
}
status = pjmedia_vid_port_start(capture);
if (status != PJ_SUCCESS) {
rc = 160; goto on_return;
}
/* Sleep while the webcam is being displayed... */
for (i = 0; i < LOOP_DURATION*10 && (!is_quitting); i++) {
pj_thread_sleep(100);
}
on_return:
if (status != PJ_SUCCESS)
PJ_PERROR(3, (THIS_FILE, status, " error"));
if (capture)
pjmedia_vid_port_stop(capture);
if (renderer)
pjmedia_vid_port_stop(renderer);
if (capture)
pjmedia_vid_port_destroy(capture);
if (renderer) {
pjmedia_event_unsubscribe(NULL, &vid_event_cb, NULL, renderer);
pjmedia_vid_port_destroy(renderer);
}
pj_pool_release(pool);
return rc;
}
static int loopback_test(void)
{
unsigned count, i;
pjmedia_format_id test_fmts[] = {
#if defined(PJ_DARWINOS) && PJ_DARWINOS
PJMEDIA_FORMAT_I420
#else
PJMEDIA_FORMAT_YUY2
#endif
};
pjmedia_rect_size test_sizes[] = {
{176,144}, /* QCIF */
{352,288}, /* CIF */
{704,576} /* 4CIF */
};
pjmedia_ratio test_fpses[] = {
{25, 1},
{30, 1},
};
pj_status_t status;
PJ_LOG(3, (THIS_FILE, " Loopback tests (prepare you webcams):"));
count = pjmedia_vid_dev_count();
for (i=0; i<count; ++i) {
pjmedia_vid_dev_info cdi;
unsigned j;
status = pjmedia_vid_dev_get_info(i, &cdi);
if (status != PJ_SUCCESS)
return -300;
/* Only interested with capture device */
if ((cdi.dir & PJMEDIA_DIR_CAPTURE) == 0)
continue;
for (j=0; j<count; ++j) {
pjmedia_vid_dev_info rdi;
unsigned k;
status = pjmedia_vid_dev_get_info(j, &rdi);
if (status != PJ_SUCCESS)
return -310;
/* Only interested with render device */
if ((rdi.dir & PJMEDIA_DIR_RENDER) == 0)
continue;
/* Test with the format, size, and fps combinations */
for (k=0; k<PJ_ARRAY_SIZE(test_fmts); ++k) {
unsigned l;
for (l=0; l<PJ_ARRAY_SIZE(test_sizes); ++l) {
unsigned m;
for (m=0; m<PJ_ARRAY_SIZE(test_fpses); ++m) {
pjmedia_format fmt;
pjmedia_format_init_video(&fmt, test_fmts[k],
test_sizes[l].w,
test_sizes[l].h,
test_fpses[m].num,
test_fpses[m].denum);
capture_render_loopback(i, j, &fmt);
}
}
} /* k */
}
}
return 0;
}
int vid_dev_test(void)
{
int rc = 0;
pj_status_t status;
status = pjmedia_vid_dev_subsys_init(mem);
if (status != PJ_SUCCESS)
return -10;
rc = enum_devs();
if (rc != 0)
goto on_return;
rc = loopback_test();
if (rc != 0)
goto on_return;
on_return:
pjmedia_vid_dev_subsys_shutdown();
return rc;
}
#endif /* PJMEDIA_HAS_VIDEO */
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