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350 lines
9.2 KiB
350 lines
9.2 KiB
#include <thread>
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#include <stdio.h>
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#include <signal.h>
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#include <poll.h>
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#include <assert.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#if defined(QCOM) && !defined(QCOM_REPLAY)
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#include "cameras/camera_qcom.h"
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#elif QCOM2
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#include "cameras/camera_qcom2.h"
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#elif WEBCAM
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#include "cameras/camera_webcam.h"
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#else
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#include "cameras/camera_frame_stream.h"
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#endif
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#include <libyuv.h>
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#include "clutil.h"
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#include "common/ipc.h"
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#include "common/params.h"
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#include "common/swaglog.h"
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#include "common/util.h"
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#include "common/visionipc.h"
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#define MAX_CLIENTS 6
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volatile sig_atomic_t do_exit = 0;
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static void set_do_exit(int sig) {
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do_exit = 1;
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}
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struct VisionState;
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struct VisionClientState {
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VisionState *s;
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int fd;
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pthread_t thread_handle;
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bool running;
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};
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struct VisionClientStreamState {
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bool subscribed;
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int bufs_outstanding;
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bool tb;
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TBuffer* tbuffer;
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PoolQueue* queue;
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};
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struct VisionState {
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MultiCameraState cameras;
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pthread_mutex_t clients_lock;
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VisionClientState clients[MAX_CLIENTS];
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};
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static CameraBuf *get_camerabuf_by_type(VisionState *s, VisionStreamType type) {
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assert(type >= 0 && type < VISION_STREAM_MAX);
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if (type == VISION_STREAM_RGB_BACK || type == VISION_STREAM_YUV) {
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return &s->cameras.rear.buf;
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} else if (type == VISION_STREAM_RGB_FRONT || type == VISION_STREAM_YUV_FRONT) {
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return &s->cameras.front.buf;
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}
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#ifdef QCOM2
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return &s->cameras.wide.buf;
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#endif
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assert(0);
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}
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// visionserver
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void* visionserver_client_thread(void* arg) {
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int err;
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VisionClientState *client = (VisionClientState*)arg;
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VisionState *s = client->s;
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int fd = client->fd;
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set_thread_name("clientthread");
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VisionClientStreamState streams[VISION_STREAM_MAX] = {{0}};
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LOGW("client start fd %d", fd);
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while (true) {
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struct pollfd polls[1+VISION_STREAM_MAX] = {{0}};
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polls[0].fd = fd;
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polls[0].events = POLLIN;
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int poll_to_stream[1+VISION_STREAM_MAX] = {0};
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int num_polls = 1;
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for (int i=0; i<VISION_STREAM_MAX; i++) {
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if (!streams[i].subscribed) continue;
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polls[num_polls].events = POLLIN;
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if (streams[i].bufs_outstanding >= 2) {
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continue;
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}
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if (streams[i].tb) {
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polls[num_polls].fd = tbuffer_efd(streams[i].tbuffer);
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} else {
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polls[num_polls].fd = poolq_efd(streams[i].queue);
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}
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poll_to_stream[num_polls] = i;
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num_polls++;
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}
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int ret = poll(polls, num_polls, -1);
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if (ret < 0) {
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if (errno == EINTR || errno == EAGAIN) continue;
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LOGE("poll failed (%d - %d)", ret, errno);
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break;
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}
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if (do_exit) break;
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if (polls[0].revents) {
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VisionPacket p;
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err = vipc_recv(fd, &p);
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if (err <= 0) {
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break;
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} else if (p.type == VIPC_STREAM_SUBSCRIBE) {
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VisionStreamType stream_type = p.d.stream_sub.type;
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VisionPacket rep = {
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.type = VIPC_STREAM_BUFS,
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.d = { .stream_bufs = { .type = stream_type }, },
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};
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VisionClientStreamState *stream = &streams[stream_type];
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stream->tb = p.d.stream_sub.tbuffer;
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VisionStreamBufs *stream_bufs = &rep.d.stream_bufs;
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CameraBuf *b = get_camerabuf_by_type(s, stream_type);
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if (stream_type == VISION_STREAM_RGB_BACK ||
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stream_type == VISION_STREAM_RGB_FRONT ||
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stream_type == VISION_STREAM_RGB_WIDE) {
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stream_bufs->width = b->rgb_width;
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stream_bufs->height = b->rgb_height;
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stream_bufs->stride = b->rgb_stride;
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stream_bufs->buf_len = b->rgb_bufs[0].len;
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rep.num_fds = UI_BUF_COUNT;
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for (int i = 0; i < rep.num_fds; i++) {
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rep.fds[i] = b->rgb_bufs[i].fd;
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}
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if (stream->tb) {
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stream->tbuffer = &b->ui_tb;
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} else {
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assert(false);
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}
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} else {
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stream_bufs->width = b->yuv_width;
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stream_bufs->height = b->yuv_height;
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stream_bufs->stride = b->yuv_width;
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stream_bufs->buf_len = b->yuv_buf_size;
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rep.num_fds = YUV_COUNT;
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for (int i = 0; i < rep.num_fds; i++) {
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rep.fds[i] = b->yuv_ion[i].fd;
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}
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if (stream->tb) {
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stream->tbuffer = b->yuv_tb;
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} else {
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stream->queue = pool_get_queue(&b->yuv_pool);
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}
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}
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vipc_send(fd, &rep);
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streams[stream_type].subscribed = true;
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} else if (p.type == VIPC_STREAM_RELEASE) {
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int si = p.d.stream_rel.type;
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assert(si < VISION_STREAM_MAX);
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if (streams[si].tb) {
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tbuffer_release(streams[si].tbuffer, p.d.stream_rel.idx);
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} else {
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poolq_release(streams[si].queue, p.d.stream_rel.idx);
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}
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streams[p.d.stream_rel.type].bufs_outstanding--;
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} else {
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assert(false);
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}
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} else {
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int stream_i = VISION_STREAM_MAX;
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for (int i=1; i<num_polls; i++) {
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int si = poll_to_stream[i];
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if (!streams[si].subscribed) continue;
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if (polls[i].revents) {
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stream_i = si;
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break;
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}
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}
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if (stream_i < VISION_STREAM_MAX) {
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streams[stream_i].bufs_outstanding++;
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int idx;
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if (streams[stream_i].tb) {
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idx = tbuffer_acquire(streams[stream_i].tbuffer);
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} else {
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idx = poolq_pop(streams[stream_i].queue);
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}
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if (idx < 0) {
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break;
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}
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VisionPacket rep = {
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.type = VIPC_STREAM_ACQUIRE,
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.d = {.stream_acq = {
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.type = (VisionStreamType)stream_i,
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.idx = idx,
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}},
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};
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if (stream_i == VISION_STREAM_YUV ||
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stream_i == VISION_STREAM_YUV_FRONT ||
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stream_i == VISION_STREAM_YUV_WIDE) {
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CameraBuf *b = get_camerabuf_by_type(s, (VisionStreamType)stream_i);
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rep.d.stream_acq.extra.frame_id = b->yuv_metas[idx].frame_id;
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rep.d.stream_acq.extra.timestamp_sof = b->yuv_metas[idx].timestamp_sof;
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rep.d.stream_acq.extra.timestamp_eof = b->yuv_metas[idx].timestamp_eof;
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}
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vipc_send(fd, &rep);
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}
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}
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}
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LOGW("client end fd %d", fd);
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for (int i=0; i<VISION_STREAM_MAX; i++) {
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if (!streams[i].subscribed) continue;
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if (streams[i].tb) {
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tbuffer_release_all(streams[i].tbuffer);
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} else {
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pool_release_queue(streams[i].queue);
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}
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}
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close(fd);
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pthread_mutex_lock(&s->clients_lock);
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client->running = false;
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pthread_mutex_unlock(&s->clients_lock);
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return NULL;
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}
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void* visionserver_thread(void* arg) {
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int err;
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VisionState *s = (VisionState*)arg;
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set_thread_name("visionserver");
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int sock = ipc_bind(VIPC_SOCKET_PATH);
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while (!do_exit) {
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struct pollfd polls[1] = {{0}};
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polls[0].fd = sock;
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polls[0].events = POLLIN;
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int ret = poll(polls, ARRAYSIZE(polls), 1000);
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if (ret < 0) {
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if (errno == EINTR || errno == EAGAIN) continue;
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LOGE("poll failed (%d - %d)", ret, errno);
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break;
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}
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if (do_exit) break;
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if (!polls[0].revents) {
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continue;
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}
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int fd = accept(sock, NULL, NULL);
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assert(fd >= 0);
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pthread_mutex_lock(&s->clients_lock);
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int client_idx = 0;
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for (; client_idx < MAX_CLIENTS; client_idx++) {
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if (!s->clients[client_idx].running) break;
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}
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if (client_idx >= MAX_CLIENTS) {
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LOG("ignoring visionserver connection, max clients connected");
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close(fd);
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pthread_mutex_unlock(&s->clients_lock);
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continue;
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}
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VisionClientState *client = &s->clients[client_idx];
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client->s = s;
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client->fd = fd;
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client->running = true;
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err = pthread_create(&client->thread_handle, NULL,
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visionserver_client_thread, client);
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assert(err == 0);
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pthread_mutex_unlock(&s->clients_lock);
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}
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for (int i=0; i<MAX_CLIENTS; i++) {
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pthread_mutex_lock(&s->clients_lock);
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bool running = s->clients[i].running;
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pthread_mutex_unlock(&s->clients_lock);
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if (running) {
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err = pthread_join(s->clients[i].thread_handle, NULL);
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assert(err == 0);
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}
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}
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close(sock);
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return NULL;
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}
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void party(cl_device_id device_id, cl_context context) {
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VisionState state = {};
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VisionState *s = &state;
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cameras_init(&s->cameras, device_id, context);
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cameras_open(&s->cameras);
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std::thread server_thread(visionserver_thread, s);
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// priority for cameras
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int err = set_realtime_priority(53);
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LOG("setpriority returns %d", err);
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cameras_run(&s->cameras);
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server_thread.join();
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}
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#ifdef QCOM
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#include "CL/cl_ext_qcom.h"
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#endif
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int main(int argc, char *argv[]) {
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set_realtime_priority(53);
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#if defined(QCOM)
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set_core_affinity(2);
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#elif defined(QCOM2)
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set_core_affinity(6);
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#endif
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signal(SIGINT, (sighandler_t)set_do_exit);
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signal(SIGTERM, (sighandler_t)set_do_exit);
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cl_device_id device_id = cl_get_device_id(CL_DEVICE_TYPE_DEFAULT);
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// TODO: do this for QCOM2 too
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#if defined(QCOM)
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const cl_context_properties props[] = {CL_CONTEXT_PRIORITY_HINT_QCOM, CL_PRIORITY_HINT_HIGH_QCOM, 0};
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cl_context context = CL_CHECK_ERR(clCreateContext(props, 1, &device_id, NULL, NULL, &err));
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#else
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cl_context context = CL_CHECK_ERR(clCreateContext(NULL, 1, &device_id, NULL, NULL, &err));
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#endif
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party(device_id, context);
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CL_CHECK(clReleaseContext(context));
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}
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