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v4l2: improve debug

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This commit is contained in:
Wim Taymans 2022-11-05 13:11:43 +01:00
parent 0e8ea21098
commit 46123cfcec
1 changed files with 22 additions and 14 deletions
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36
pipewire-v4l2/src/pipewire-v4l2.c
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@ -266,7 +266,7 @@ static struct file *make_file(void)
static void free_file(struct file *file)
{
pw_log_info("fd:%d", file->fd);
pw_log_info("file:%d", file->fd);
if (file->loop)
pw_thread_loop_stop(file->loop);
@ -296,7 +296,7 @@ static void free_file(struct file *file)
static void unref_file(struct file *file)
{
pw_log_debug("fd:%d ref:%d", file->fd, file->ref);
pw_log_debug("file:%d ref:%d", file->fd, file->ref);
if (ATOMIC_DEC(file->ref) <= 0)
free_file(file);
}
@ -310,7 +310,7 @@ static int add_fd_map(int fd, struct file *file)
map->fd = fd;
map->file = file;
ATOMIC_INC(file->ref);
pw_log_debug("fd:%d (%d) ref:%d", fd, file->fd, file->ref);
pw_log_debug("fd:%d -> file:%d ref:%d", fd, file->fd, file->ref);
}
pthread_mutex_unlock(&globals.lock);
return 0;
@ -863,7 +863,7 @@ static int v4l2_close(int fd)
if ((file = remove_fd_map(fd)) == NULL)
return globals.old_fops.close(fd);
pw_log_info("fd:%d (%d)", fd, file->fd);
pw_log_info("fd:%d file:%d", fd, file->fd);
if (fd != file->fd)
spa_system_close(file->l->system, fd);
@ -1317,8 +1317,8 @@ static void on_stream_remove_buffer(void *data, struct pw_buffer *b)
static void on_stream_process(void *data)
{
struct file *file = data;
pw_log_debug("fd:%d", file->fd);
spa_system_eventfd_write(file->l->system, file->fd, 1);
pw_log_debug("file:%d", file->fd);
spa_system_eventfd_write(file->l->system, file->fd, 1);
}
static const struct pw_stream_events stream_events = {
@ -1576,6 +1576,7 @@ static int try_format(struct file *file, struct v4l2_format *fmt)
static int disconnect_stream(struct file *file)
{
if (file->stream != NULL) {
pw_log_info("file:%d disconnect", file->fd);
pw_stream_destroy(file->stream);
file->stream = NULL;
file->n_buffers = 0;
@ -1719,7 +1720,7 @@ static int vidioc_s_input(struct file *file, int *arg)
static int vidioc_g_priority(struct file *file, enum v4l2_priority *arg)
{
*arg = file->priority;
pw_log_info("fd:%d prio:%d", file->fd, *arg);
pw_log_info("file:%d prio:%d", file->fd, *arg);
return 0;
}
static int vidioc_s_priority(struct file *file, int fd, enum v4l2_priority *arg)
@ -1730,8 +1731,8 @@ static int vidioc_s_priority(struct file *file, int fd, enum v4l2_priority *arg)
if (file->fd != fd && file->priority > *arg)
return -EINVAL;
pw_log_info("fd:%d (%d) prio:%d", fd, file->fd, *arg);
file->priority = *arg;
pw_log_info("file:%d (%d) prio:%d", file->fd, fd, *arg);
file->priority = *arg;
return 0;
}
@ -1754,15 +1755,18 @@ static int vidioc_reqbufs(struct file *file, int fd, struct v4l2_requestbuffers
pw_thread_loop_lock(file->loop);
if (file->n_buffers > 0 && file->reqbufs_fd != fd) {
pw_log_info("%u fd:%d != %d", file->n_buffers, file->reqbufs_fd, fd);
res = -EBUSY;
goto exit_unlock;
}
if (arg->count == 0) {
if (pw_array_get_len(&file->buffer_maps, struct buffer_map) != 0) {
pw_log_info("fd:%d have maps", fd);
res = -EBUSY;
goto exit_unlock;
}
if (file->running) {
pw_log_info("fd:%d running", fd);
res = -EBUSY;
goto exit_unlock;
}
@ -1863,6 +1867,9 @@ static int vidioc_dqbuf(struct file *file, int fd, struct v4l2_buffer *arg)
if (arg->memory != V4L2_MEMORY_MMAP)
return -EINVAL;
pw_log_debug("file:%d (%d) %d", file->fd, fd,
arg->index);
pw_thread_loop_lock(file->loop);
if (arg->index >= file->n_buffers) {
res = -EINVAL;
@ -1905,7 +1912,8 @@ static int vidioc_dqbuf(struct file *file, int fd, struct v4l2_buffer *arg)
*arg = buf->v4l2;
exit_unlock:
pw_log_debug("file:%d %d -> %d (%s)", file->fd, arg->index, res, spa_strerror(res));
pw_log_debug("file:%d (%d) %d -> %d (%s)", file->fd, fd,
arg->index, res, spa_strerror(res));
pw_thread_loop_unlock(file->loop);
return res;
}
@ -2041,8 +2049,8 @@ done:
errno = -res;
res = -1;
}
pw_log_debug("fd:%d request:%lx nr:%d arg:%p -> %d (%s)",
fd, request, (int)_IOC_NR(request), arg,
pw_log_debug("file:%d fd:%d request:%lx nr:%d arg:%p -> %d (%s)",
file->fd, fd, request, (int)_IOC_NR(request), arg,
res, strerror(res < 0 ? errno : 0));
unref_file(file);
@ -2091,8 +2099,8 @@ static void *v4l2_mmap(void *addr, size_t length, int prot,
add_buffer_map(file, res, id);
SPA_FLAG_SET(buf->v4l2.flags, V4L2_BUF_FLAG_MAPPED);
pw_log_info("addr:%p length:%u prot:%d flags:%d fd:%"PRIi64" offset:%u -> %p (%s)" ,
addr, range.size, prot, flags, data->fd, range.offset,
pw_log_info("file:%d addr:%p length:%u prot:%d flags:%d fd:%"PRIi64" offset:%u -> %p (%s)" ,
file->fd, addr, range.size, prot, flags, data->fd, range.offset,
res, strerror(res == MAP_FAILED ? errno : 0));
error_unlock: