static int find_device(pjmedia_dir dir,
pj_bool_t has_callback)
{
unsigned i, count = pjmedia_vid_dev_count();
for (i = 0; i < count; ++i) {
pjmedia_vid_dev_info cdi;
if (pjmedia_vid_dev_get_info(i, &cdi) != PJ_SUCCESS)
continue;
if ((cdi.dir & dir) != 0 && cdi.has_callback == has_callback)
return i;
}
return -999;
}
static int encode_decode_test(pj_pool_t *pool, const char *codec_id,
pjmedia_vid_packing packing)
{
const pj_str_t port_name = {"codec", 5};
pjmedia_vid_codec *codec=NULL;
pjmedia_port codec_port;
codec_port_data_t codec_port_data;
pjmedia_vid_codec_param codec_param;
const pjmedia_vid_codec_info *codec_info;
const char *packing_name;
pjmedia_vid_dev_index cap_idx, rdr_idx;
pjmedia_vid_port *capture=NULL, *renderer=NULL;
pjmedia_vid_port_param vport_param;
pjmedia_video_format_detail *vfd;
char codec_name[5];
pj_status_t status;
int rc = 0;
switch (packing) {
case PJMEDIA_VID_PACKING_PACKETS:
packing_name = "framed";
break;
case PJMEDIA_VID_PACKING_WHOLE:
packing_name = "whole";
break;
default:
packing_name = "unknown";
break;
}
PJ_LOG(3, (THIS_FILE, " encode decode test: codec=%s, packing=%s",
codec_id, packing_name));
/* Lookup codec */
{
pj_str_t codec_id_st;
unsigned info_cnt = 1;
/* Lookup codec */
pj_cstr(&codec_id_st, codec_id);
status = pjmedia_vid_codec_mgr_find_codecs_by_id(NULL, &codec_id_st,
&info_cnt,
&codec_info, NULL);
if (status != PJ_SUCCESS) {
rc = 205;
goto on_return;
}
}
#if CAPTURE_DEV == -1
/* Lookup colorbar source */
status = pjmedia_vid_dev_lookup("Colorbar", "Colorbar generator", &cap_idx);
if (status != PJ_SUCCESS) {
rc = 206;
goto on_return;
}
#elif CAPTURE_DEV == -2
/* Lookup any first non-colorbar source */
{
unsigned i, cnt;
pjmedia_vid_dev_info info;
cap_idx = -1;
cnt = pjmedia_vid_dev_count();
for (i = 0; i < cnt; ++i) {
status = pjmedia_vid_dev_get_info(i, &info);
if (status != PJ_SUCCESS) {
rc = 206;
goto on_return;
}
if (info.dir & PJMEDIA_DIR_CAPTURE &&
pj_ansi_stricmp(info.driver, "Colorbar"))
{
cap_idx = i;
break;
}
}
if (cap_idx == -1) {
status = PJ_ENOTFOUND;
rc = 206;
goto on_return;
}
}
#else
cap_idx = CAPTURE_DEV;
#endif
/* Lookup SDL renderer */
status = pjmedia_vid_dev_lookup("SDL", "SDL renderer", &rdr_idx);
if (status != PJ_SUCCESS) {
rc = 207;
goto on_return;
}
/* Prepare codec */
{
pj_str_t codec_id_st;
unsigned info_cnt = 1;
const pjmedia_vid_codec_info *codec_info;
/* Lookup codec */
pj_cstr(&codec_id_st, codec_id);
status = pjmedia_vid_codec_mgr_find_codecs_by_id(NULL, &codec_id_st,
&info_cnt,
&codec_info, NULL);
if (status != PJ_SUCCESS) {
rc = 245;
goto on_return;
}
status = pjmedia_vid_codec_mgr_get_default_param(NULL, codec_info,
&codec_param);
if (status != PJ_SUCCESS) {
rc = 246;
goto on_return;
}
codec_param.packing = packing;
/* Open codec */
status = pjmedia_vid_codec_mgr_alloc_codec(NULL, codec_info,
&codec);
if (status != PJ_SUCCESS) {
rc = 250;
goto on_return;
}
status = pjmedia_vid_codec_init(codec, pool);
if (status != PJ_SUCCESS) {
rc = 251;
goto on_return;
}
status = pjmedia_vid_codec_open(codec, &codec_param);
if (status != PJ_SUCCESS) {
rc = 252;
goto on_return;
}
/* After opened, codec will update the param, let's sync encoder &
* decoder format detail.
*/
codec_param.dec_fmt.det = codec_param.enc_fmt.det;
/* Subscribe to codec events */
pjmedia_event_subscribe(NULL, &codec_on_event, &codec_port_data,
codec);
}
pjmedia_vid_port_param_default(&vport_param);
/* Create capture, set it to active (master) */
status = pjmedia_vid_dev_default_param(pool, cap_idx,
&vport_param.vidparam);
if (status != PJ_SUCCESS) {
rc = 220;
goto on_return;
}
pjmedia_format_copy(&vport_param.vidparam.fmt, &codec_param.dec_fmt);
vport_param.vidparam.dir = PJMEDIA_DIR_CAPTURE;
vport_param.active = PJ_TRUE;
if (vport_param.vidparam.fmt.detail_type != PJMEDIA_FORMAT_DETAIL_VIDEO) {
rc = 221;
goto on_return;
}
vfd = pjmedia_format_get_video_format_detail(&vport_param.vidparam.fmt,
PJ_TRUE);
if (vfd == NULL) {
rc = 225;
goto on_return;
}
status = pjmedia_vid_port_create(pool, &vport_param, &capture);
if (status != PJ_SUCCESS) {
rc = 226;
goto on_return;
}
/* Create renderer, set it to passive (slave) */
vport_param.active = PJ_FALSE;
vport_param.vidparam.dir = PJMEDIA_DIR_RENDER;
vport_param.vidparam.rend_id = rdr_idx;
vport_param.vidparam.disp_size = vfd->size;
status = pjmedia_vid_port_create(pool, &vport_param, &renderer);
if (status != PJ_SUCCESS) {
rc = 230;
goto on_return;
}
/* Init codec port */
pj_bzero(&codec_port, sizeof(codec_port));
status = pjmedia_port_info_init2(&codec_port.info, &port_name, 0x1234,
PJMEDIA_DIR_ENCODING,
&codec_param.dec_fmt);
if (status != PJ_SUCCESS) {
rc = 260;
goto on_return;
}
codec_port_data.codec = codec;
codec_port_data.rdr_port = renderer;
codec_port_data.enc_buf_size = codec_param.dec_fmt.det.vid.size.w *
codec_param.dec_fmt.det.vid.size.h * 4;
codec_port_data.enc_buf = pj_pool_alloc(pool,
codec_port_data.enc_buf_size);
codec_port_data.pack_buf_size = codec_port_data.enc_buf_size;
codec_port_data.pack_buf = pj_pool_alloc(pool,
codec_port_data.pack_buf_size);
codec_port.put_frame = &codec_put_frame;
codec_port.port_data.pdata = &codec_port_data;
/* Connect capture to codec port */
status = pjmedia_vid_port_connect(capture,
&codec_port,
PJ_FALSE);
if (status != PJ_SUCCESS) {
rc = 270;
goto on_return;
}
PJ_LOG(3, (THIS_FILE, " starting codec test: %s<->%.*s %dx%d",
pjmedia_fourcc_name(codec_param.dec_fmt.id, codec_name),
codec_info->encoding_name.slen,
codec_info->encoding_name.ptr,
codec_param.dec_fmt.det.vid.size.w,
codec_param.dec_fmt.det.vid.size.h
));
/* Start streaming.. */
status = pjmedia_vid_port_start(renderer);
if (status != PJ_SUCCESS) {
rc = 275;
goto on_return;
}
status = pjmedia_vid_port_start(capture);
if (status != PJ_SUCCESS) {
rc = 280;
goto on_return;
}
/* Sleep while the video is being displayed... */
pj_thread_sleep(10000);
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_vid_port_destroy(renderer);
if (codec) {
pjmedia_event_unsubscribe(NULL, &codec_on_event, &codec_port_data,
codec);
pjmedia_vid_codec_close(codec);
pjmedia_vid_codec_mgr_dealloc_codec(NULL, codec);
}
return rc;
}