PP_Resource
ppb_url_loader_get_response_info(PP_Resource loader)
{
struct pp_url_loader_s *ul = pp_resource_acquire(loader, PP_RESOURCE_URL_LOADER);
if (!ul) {
trace_error("%s, bad resource\n", __func__);
return 0;
}
PP_Resource response_info = pp_resource_allocate(PP_RESOURCE_URL_RESPONSE_INFO, ul->instance);
struct pp_url_response_info_s *ri = pp_resource_acquire(response_info,
PP_RESOURCE_URL_RESPONSE_INFO);
if (!ri) {
trace_error("%s, resource allocation failure\n", __func__);
pp_resource_release(loader);
return 0;
}
pp_resource_ref(loader);
ri->url_loader_id = loader;
ri->url_loader = ul;
pp_resource_release(response_info);
pp_resource_release(loader);
return response_info;
}
void
ppb_graphics2d_paint_image_data(PP_Resource graphics_2d, PP_Resource image_data,
const struct PP_Point *top_left, const struct PP_Rect *src_rect)
{
struct pp_graphics2d_s *g2d = pp_resource_acquire(graphics_2d, PP_RESOURCE_GRAPHICS2D);
if (!g2d) {
trace_error("%s, bad resource\n", __func__);
return;
}
struct g2d_paint_task_s *pt = g_slice_alloc(sizeof(*pt));
pt->type = gpt_paint_id;
pp_resource_ref(image_data);
pt->image_data = image_data;
pt->src_is_set = !!src_rect;
if (top_left) {
memcpy(&pt->ofs, top_left, sizeof(*top_left));
} else {
pt->ofs.x = pt->ofs.y = 0;
}
if (src_rect)
memcpy(&pt->src, src_rect, sizeof(*src_rect));
g2d->task_list = g_list_append(g2d->task_list, pt);
pp_resource_release(graphics_2d);
}
int32_t
ppb_flash_message_loop_run(PP_Resource flash_message_loop)
{
struct pp_flash_message_loop_s *fml =
pp_resource_acquire(flash_message_loop, PP_RESOURCE_FLASH_MESSAGE_LOOP);
if (!fml) {
trace_error("%s, bad resource\n", __func__);
return PP_ERROR_BADRESOURCE;
}
PP_Resource message_loop = ppb_message_loop_get_current();
fml->running = 1;
fml->message_loop = message_loop;
fml->depth = ppb_message_loop_get_depth(message_loop) + 1;
pp_resource_ref(flash_message_loop); // prevent destroy of running loop
pp_resource_release(flash_message_loop);
// launching nested loop without depth increase to prevent hang up of previously pushed tasks
ppb_message_loop_run_int(message_loop, ML_NESTED);
fml = pp_resource_acquire(flash_message_loop, PP_RESOURCE_FLASH_MESSAGE_LOOP);
if (fml) {
fml->running = 0;
pp_resource_release(flash_message_loop);
}
pp_resource_unref(flash_message_loop);
return PP_OK;
}
void
ppb_graphics2d_replace_contents(PP_Resource graphics_2d, PP_Resource image_data)
{
struct pp_graphics2d_s *g2d = pp_resource_acquire(graphics_2d, PP_RESOURCE_GRAPHICS2D);
if (!g2d) {
trace_error("%s, bad resource\n", __func__);
return;
}
struct g2d_paint_task_s *pt = g_slice_alloc(sizeof(*pt));
pt->type = gpt_replace_contents;
pp_resource_ref(image_data);
pt->image_data = image_data;
g2d->task_list = g_list_append(g2d->task_list, pt);
pp_resource_release(graphics_2d);
}
void
ppb_core_add_ref_resource(PP_Resource resource)
{
pp_resource_ref(resource);
}
int32_t
ppb_message_loop_run_int(PP_Resource message_loop, int nested, int increase_depth)
{
if (this_thread_message_loop != message_loop) {
trace_error("%s, not attached to current thread\n", __func__);
return PP_ERROR_WRONG_THREAD;
}
struct pp_message_loop_s *ml = pp_resource_acquire(message_loop, PP_RESOURCE_MESSAGE_LOOP);
if (!ml) {
trace_error("%s, bad resource\n", __func__);
return PP_ERROR_BADRESOURCE;
}
// prevent nested loops
if (!nested && ml->running) {
trace_error("%s, trying to run nested loop without declaring as nested\n", __func__);
pp_resource_release(message_loop);
return PP_ERROR_INPROGRESS;
}
struct {
int running;
int teardown;
} saved_state = {
.running = ml->running,
.teardown = ml->teardown,
};
ml->running = 1;
ml->teardown = 0;
if (increase_depth)
ml->depth++;
int teardown = 0;
int destroy_ml = 0;
int depth = ml->depth;
pp_resource_ref(message_loop);
GAsyncQueue *async_q = ml->async_q;
GQueue *int_q = ml->int_q;
pp_resource_release(message_loop);
while (1) {
struct timespec now;
struct message_loop_task_s *task = g_queue_peek_head(int_q);
gint64 timeout = 1000 * 1000;
if (task) {
clock_gettime(CLOCK_REALTIME, &now);
timeout = (task->when.tv_sec - now.tv_sec) * 1000 * 1000 +
(task->when.tv_nsec - now.tv_nsec) / 1000;
if (timeout <= 0) {
// remove task from the queue
g_queue_pop_head(int_q);
// check if depth is correct
if (task->depth > 0 && task->depth < depth) {
// wrong, reschedule it a bit later
task->when = add_ms(now, 10);
g_queue_insert_sorted(int_q, task, time_compare_func, NULL);
continue;
}
if (task->terminate) {
if (depth > 1) {
// exit at once, all remaining task will be processed by outer loop
g_slice_free(struct message_loop_task_s, task);
break;
}
// it's the outermost loop, we should wait for all tasks to be run
ml = pp_resource_acquire(message_loop, PP_RESOURCE_MESSAGE_LOOP);
if (ml) {
ml->teardown = 1;
teardown = 1;
destroy_ml = task->should_destroy_ml;
pp_resource_release(message_loop);
}
g_slice_free(struct message_loop_task_s, task);
continue;
}
// run task
const struct PP_CompletionCallback ccb = task->ccb;
if (ccb.func) {
ccb.func(ccb.user_data, task->result_to_pass);
}
// free task
g_slice_free(struct message_loop_task_s, task);
continue; // run cycle again
}
} else if (teardown) {
// teardown, no tasks in queue left
break;
}
task = g_async_queue_timeout_pop(async_q, timeout);
if (task)
g_queue_insert_sorted(int_q, task, time_compare_func, NULL);
}
// mark thread as non-running
ml = pp_resource_acquire(message_loop, PP_RESOURCE_MESSAGE_LOOP);
if (ml) {
if (increase_depth)
ml->depth--;
ml->running = 0;
if (nested) {
ml->running = saved_state.running;
ml->teardown = saved_state.teardown;
}
pp_resource_release(message_loop);
}
pp_resource_unref(message_loop);
if (destroy_ml)
pp_resource_unref(message_loop);
return PP_OK;
}
int32_t
ppb_message_loop_post_work_with_result(PP_Resource message_loop,
struct PP_CompletionCallback callback, int64_t delay_ms,
int32_t result_to_pass, int depth)
{
if (callback.func == NULL) {
trace_error("%s, callback.func == NULL\n", __func__);
return PP_ERROR_BADARGUMENT;
}
struct pp_message_loop_s *ml = pp_resource_acquire(message_loop, PP_RESOURCE_MESSAGE_LOOP);
if (!ml) {
trace_error("%s, bad resource\n", __func__);
return PP_ERROR_BADRESOURCE;
}
if (ml->running && ml->teardown) {
// message loop is in a teardown state
pp_resource_release(message_loop);
trace_error("%s, quit request received, no additional work could be posted\n", __func__);
return PP_ERROR_FAILED;
}
struct message_loop_task_s *task = g_slice_alloc0(sizeof(*task));
task->result_to_pass = result_to_pass;
task->ccb = callback;
task->depth = depth;
// calculate absolute time callback should be run at
clock_gettime(CLOCK_REALTIME, &task->when);
task->when.tv_sec += delay_ms / 1000;
task->when.tv_nsec += (delay_ms % 1000) * 1000 * 1000;
while (task->when.tv_nsec >= 1000 * 1000 * 1000) {
task->when.tv_sec += 1;
task->when.tv_nsec -= 1000 * 1000 * 1000;
}
g_async_queue_push(ml->async_q, task);
pp_resource_release(message_loop);
return PP_OK;
}
int32_t
ppb_message_loop_post_work(PP_Resource message_loop, struct PP_CompletionCallback callback,
int64_t delay_ms)
{
return ppb_message_loop_post_work_with_result(message_loop, callback, delay_ms, PP_OK, 0);
}
int32_t
ppb_message_loop_post_quit_depth(PP_Resource message_loop, PP_Bool should_destroy, int depth)
{
struct pp_message_loop_s *ml = pp_resource_acquire(message_loop, PP_RESOURCE_MESSAGE_LOOP);
if (!ml) {
trace_error("%s, bad resource\n", __func__);
return PP_ERROR_BADRESOURCE;
}
struct message_loop_task_s *task = g_slice_alloc0(sizeof(*task));
task->terminate = 1;
task->depth = depth;
task->should_destroy_ml = should_destroy;
task->result_to_pass = PP_OK;
clock_gettime(CLOCK_REALTIME, &task->when); // run as early as possible
g_async_queue_push(ml->async_q, task);
pp_resource_release(message_loop);
return PP_OK;
}
int32_t
ppb_message_loop_post_quit(PP_Resource message_loop, PP_Bool should_destroy)
{
int depth = ppb_message_loop_get_depth(message_loop);
return ppb_message_loop_post_quit_depth(message_loop, should_destroy, depth);
}
PP_Resource
ppb_video_decoder_create(PP_Instance instance, PP_Resource context, PP_VideoDecoder_Profile profile)
{
if (!config.enable_hwdec) {
trace_info_f(" hardware-accelerated decoding was disabled in config file\n");
return 0;
}
if (!display.va_available) {
trace_info_f(" no hw acceleration available\n");
return 0;
}
if (!display.glXBindTexImageEXT) {
trace_info_f(" no glXBindTexImageEXT available\n");
return 0;
}
switch (profile) {
case PP_VIDEODECODER_H264PROFILE_BASELINE:
case PP_VIDEODECODER_H264PROFILE_MAIN:
case PP_VIDEODECODER_H264PROFILE_EXTENDED:
case PP_VIDEODECODER_H264PROFILE_HIGH:
// pass, there is an implementation below
break;
case PP_VIDEODECODER_H264PROFILE_NONE:
case PP_VIDEODECODER_H264PROFILE_HIGH10PROFILE:
case PP_VIDEODECODER_H264PROFILE_HIGH422PROFILE:
case PP_VIDEODECODER_H264PROFILE_HIGH444PREDICTIVEPROFILE:
case PP_VIDEODECODER_H264PROFILE_SCALABLEBASELINE:
case PP_VIDEODECODER_H264PROFILE_SCALABLEHIGH:
case PP_VIDEODECODER_H264PROFILE_STEREOHIGH:
case PP_VIDEODECODER_H264PROFILE_MULTIVIEWHIGH:
case PP_VIDEODECODER_VP8PROFILE_ANY:
case PP_VIDEODECODER_PROFILE_UNKNOWN:
default:
trace_error("%s, profile %d is not supported\n", __func__, profile);
return 0;
}
const struct PPP_VideoDecoder_Dev_0_11 *ppp_video_decoder_dev = NULL;
struct pp_instance_s *pp_i = tables_get_pp_instance(instance);
if (!pp_i) {
trace_error("%s, bad instance\n", __func__);
return 0;
}
ppp_video_decoder_dev = ppp_get_interface(PPP_VIDEODECODER_DEV_INTERFACE);
if (!ppp_video_decoder_dev) {
trace_error("%s, no viable %s\n", __func__, PPP_VIDEODECODER_DEV_INTERFACE);
return 0;
}
if (pp_resource_get_type(context) != PP_RESOURCE_GRAPHICS3D) {
trace_error("%s, bad resource\n", __func__);
return 0;
}
PP_Resource video_decoder = pp_resource_allocate(PP_RESOURCE_VIDEO_DECODER, pp_i);
struct pp_video_decoder_s *vd = pp_resource_acquire(video_decoder, PP_RESOURCE_VIDEO_DECODER);
if (!vd) {
trace_error("%s, resource allocation failed\n", __func__);
return 0;
}
vd->orig_graphics3d = pp_resource_ref(context);
vd->ppp_video_decoder_dev = ppp_video_decoder_dev;
// create auxiliary GL context
int32_t attribs[] = {
PP_GRAPHICS3DATTRIB_WIDTH, 32, // dimensions can be arbitrary
PP_GRAPHICS3DATTRIB_HEIGHT, 32,
PP_GRAPHICS3DATTRIB_RED_SIZE, 8,
PP_GRAPHICS3DATTRIB_GREEN_SIZE, 8,
PP_GRAPHICS3DATTRIB_BLUE_SIZE, 8,
PP_GRAPHICS3DATTRIB_ALPHA_SIZE, 8,
PP_GRAPHICS3DATTRIB_DEPTH_SIZE, 16,
GLX_Y_INVERTED_EXT, True,
GLX_BIND_TO_TEXTURE_RGBA_EXT, True,
PP_GRAPHICS3DATTRIB_NONE,
};
vd->graphics3d = ppb_graphics3d_create(vd->instance->id, vd->orig_graphics3d, attribs);
if (!vd->graphics3d) {
trace_error("%s, can't create graphics3d context\n", __func__);
goto err_1;
}
vd->codec_id = AV_CODEC_ID_H264; // TODO: other codecs
vd->avcodec = avcodec_find_decoder(vd->codec_id);
if (!vd->avcodec) {
trace_error("%s, can't create codec\n", __func__);
goto err_1;
}
vd->avparser = av_parser_init(vd->codec_id);
if (!vd->avparser) {
trace_error("%s, can't create parser\n", __func__);
goto err_1;
}
vd->avctx = avcodec_alloc_context3(vd->avcodec);
if (!vd->avctx) {
trace_error("%s, can't create codec context\n", __func__);
goto err_1;
}
if (vd->avcodec->capabilities & CODEC_CAP_TRUNCATED) {
trace_info("%s, codec have CODEC_CAP_TRUNCATED\n", __func__);
vd->avctx->flags |= CODEC_FLAG_TRUNCATED;
}
vd->avctx->opaque = vd;
vd->avctx->thread_count = 1;
vd->avctx->get_format = get_format;
#if AVCTX_HAVE_REFCOUNTED_BUFFERS
vd->avctx->get_buffer2 = get_buffer2;
vd->avctx->refcounted_frames = 1;
#else
vd->avctx->get_buffer = get_buffer;
vd->avctx->release_buffer = release_buffer;
#endif
if (avcodec_open2(vd->avctx, vd->avcodec, NULL) < 0) {
trace_error("%s, can't open codec\n", __func__);
goto err_1;
}
vd->avframe = av_frame_alloc();
if (!vd->avframe) {
trace_error("%s, can't alloc frame\n", __func__);
goto err_1;
}
pp_resource_release(video_decoder);
return video_decoder;
err_1:
ppb_video_decoder_destroy_priv(vd);
pp_resource_release(video_decoder);
pp_resource_expunge(video_decoder);
return 0;
}
int32_t
ppb_video_capture_open(PP_Resource video_capture, PP_Resource device_ref,
const struct PP_VideoCaptureDeviceInfo_Dev *requested_info,
uint32_t buffer_count, struct PP_CompletionCallback callback)
{
int32_t result;
struct pp_video_capture_s *vc = pp_resource_acquire(video_capture, PP_RESOURCE_VIDEO_CAPTURE);
if (!vc) {
trace_error("%s, bad resource\n", __func__);
return PP_ERROR_BADRESOURCE;
}
const char *capture_device = default_capture_device;
struct PP_Var longname = ppb_device_ref_get_longname(device_ref);
if (longname.type == PP_VARTYPE_STRING)
capture_device = ppb_var_var_to_utf8(longname, NULL);
vc->fd = v4l2_open(capture_device, O_RDWR);
ppb_var_release(longname);
if (vc->fd < 0) {
result = PP_ERROR_NOACCESS;
goto point_1;
}
struct v4l2_capability caps;
if (v4l2_ioctl(vc->fd, VIDIOC_QUERYCAP, &caps) != 0) {
result = PP_ERROR_FAILED;
goto point_2;
}
#ifdef V4L2_CAP_DEVICE_CAPS
const uint32_t device_caps = (caps.capabilities & V4L2_CAP_DEVICE_CAPS) ? caps.device_caps
: caps.capabilities;
#else
const uint32_t device_caps = caps.capabilities;
#endif // V4L2_CAP_DEVICE_CAPS
if (!(device_caps & V4L2_CAP_VIDEO_CAPTURE)) {
trace_error("%s, device can't capture\n", __func__);
result = PP_ERROR_FAILED;
goto point_2;
}
if (!(device_caps & V4L2_CAP_READWRITE)) {
trace_error("%s, device doesn't support read/write interface\n", __func__);
result = PP_ERROR_FAILED;
goto point_2;
}
if (requested_info) {
vc->width = requested_info->width;
vc->height = requested_info->height;
vc->fps = requested_info->frames_per_second;
} else {
vc->width = 640;
vc->height = 480;
vc->fps = 15;
}
struct v4l2_format fmt = {
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
.fmt.pix.width = vc->width,
.fmt.pix.height = vc->height,
.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420, // PPAPI hardcodes format to YUV420
.fmt.pix.field = V4L2_FIELD_INTERLACED,
};
if (v4l2_ioctl(vc->fd, VIDIOC_S_FMT, &fmt) != 0) {
trace_error("%s, failed to set resolution\n", __func__);
result = PP_ERROR_FAILED;
goto point_2;
}
vc->width = fmt.fmt.pix.width;
vc->height = fmt.fmt.pix.height;
vc->buffer_size = fmt.fmt.pix.sizeimage; // buffer size in bytes
vc->buffer_count = MAX(buffer_count, 5); // limit lowest number of buffers, just in case
vc->buffers = calloc(sizeof(*vc->buffers), vc->buffer_count);
if (!vc->buffers) {
trace_error("%s, memory allocation failure (1)\n", __func__);
result = PP_ERROR_FAILED;
goto point_2;
}
vc->buffer_is_free = malloc(sizeof(*vc->buffer_is_free) * vc->buffer_count);
if (!vc->buffer_is_free) {
trace_error("%s, memory allocation failure (2)\n", __func__);
result = PP_ERROR_FAILED;
goto point_3;
}
for (unsigned int k = 0; k < vc->buffer_count; k ++) {
vc->buffer_is_free[k] = 1;
vc->buffers[k] = ppb_buffer_create(vc->instance->id, vc->buffer_size);
if (vc->buffers[k] == 0)
goto point_4;
}
struct PP_VideoCaptureDeviceInfo_Dev info = {
.width = vc->width,
.height = vc->height,
.frames_per_second = vc->fps,
};
vc->ppp_video_capture_dev->OnDeviceInfo(vc->instance->id, video_capture, &info,
vc->buffer_count, vc->buffers);
result = PP_OK;
goto point_1;
point_4:
for (unsigned int k = 0; k < vc->buffer_count; k ++)
ppb_core_release_resource(vc->buffers[k]);
free_and_nullify(vc->buffer_is_free);
point_3:
free_and_nullify(vc->buffers);
point_2:
v4l2_close(vc->fd);
vc->fd = -1;
point_1:
pp_resource_release(video_capture);
ppb_core_call_on_main_thread2(0, callback, result, __func__);
return PP_OK_COMPLETIONPENDING;
}
struct on_buffer_ready_param_s {
PP_Instance instance;
PP_Resource video_capture;
uint32_t buf_idx;
const struct PPP_VideoCapture_Dev_0_1 *ppp_video_capture_dev;
};
static
void
on_buffer_ready_comt(void *user_data, int32_t result)
{
struct on_buffer_ready_param_s *p = user_data;
struct pp_instance_s *pp_i = tables_get_pp_instance(p->instance);
if (!pp_i)
return;
p->ppp_video_capture_dev->OnBufferReady(p->instance, p->video_capture, p->buf_idx);
g_slice_free1(sizeof(*p), p);
}
static
void *
video_capture_thread(void *param)
{
struct pp_video_capture_s *vc = param;
PP_Resource video_capture = vc->self_id;
PP_Instance instance = vc->instance->id;
const int fd = vc->fd;
const size_t buffer_size = vc->buffer_size;
vc = pp_resource_acquire(video_capture, PP_RESOURCE_VIDEO_CAPTURE);
if (!vc)
goto gone;
while (!vc->terminate_thread) {
// find free buffer
uint32_t buf_idx = (uint32_t)-1;
for (uint32_t k = 0; k < vc->buffer_count; k ++) {
if (vc->buffer_is_free[k]) {
buf_idx = k;
vc->buffer_is_free[k] = 0;
break;
}
}
if (buf_idx == (uint32_t)-1) {
// all buffers are busy, wait for some to free, with resource unlocked
pp_resource_release(video_capture);
usleep(10);
vc = pp_resource_acquire(video_capture, PP_RESOURCE_VIDEO_CAPTURE);
if (!vc)
goto gone;
continue;
}
PP_Resource buffer = vc->buffers[buf_idx];
pp_resource_release(video_capture);
// wait on v4l2_read() with resource unlocked
void *ptr = ppb_buffer_map(buffer);
RETRY_ON_EINTR(v4l2_read(fd, ptr, buffer_size));
ppb_buffer_unmap(buffer);
vc = pp_resource_acquire(video_capture, PP_RESOURCE_VIDEO_CAPTURE);
if (!vc)
goto gone;
struct on_buffer_ready_param_s *p = g_slice_alloc(sizeof(*p));
p->instance = instance;
p->video_capture = video_capture;
p->buf_idx = buf_idx;
p->ppp_video_capture_dev = vc->ppp_video_capture_dev;
ppb_core_call_on_main_thread2(0, PP_MakeCCB(on_buffer_ready_comt, p), PP_OK, __func__);
}
pp_resource_release(video_capture);
return NULL;
gone:
trace_error("%s, resource gone\n", __func__);
return NULL;
}
int32_t
ppb_video_capture_start_capture(PP_Resource video_capture)
{
struct pp_video_capture_s *vc = pp_resource_acquire(video_capture, PP_RESOURCE_VIDEO_CAPTURE);
if (!vc) {
trace_error("%s, bad resource\n", __func__);
return PP_ERROR_BADRESOURCE;
}
if (vc->thread_started)
goto done;
if (vc->fd < 0) {
trace_error("%s, device is closed\n", __func__);
pp_resource_release(video_capture);
return PP_ERROR_FAILED;
}
vc->ppp_video_capture_dev->OnStatus(vc->instance->id, video_capture,
PP_VIDEO_CAPTURE_STATUS_STARTING);
pp_resource_ref(video_capture); // prevents freeing while thread is still running
pthread_create(&vc->thread, NULL, video_capture_thread, vc);
vc->thread_started = 1;
vc->ppp_video_capture_dev->OnStatus(vc->instance->id, video_capture,
PP_VIDEO_CAPTURE_STATUS_STARTED);
done:
pp_resource_release(video_capture);
return PP_OK;
}
int32_t
ppb_video_capture_reuse_buffer(PP_Resource video_capture, uint32_t buffer)
{
struct pp_video_capture_s *vc = pp_resource_acquire(video_capture, PP_RESOURCE_VIDEO_CAPTURE);
if (!vc) {
trace_error("%s, bad resource\n", __func__);
return PP_ERROR_BADRESOURCE;
}
if (buffer < vc->buffer_count)
vc->buffer_is_free[buffer] = 1;
pp_resource_release(video_capture);
return PP_OK;
}
int32_t
ppb_video_capture_stop_capture(PP_Resource video_capture)
{
struct pp_video_capture_s *vc = pp_resource_acquire(video_capture, PP_RESOURCE_VIDEO_CAPTURE);
if (!vc) {
trace_error("%s, bad resource\n", __func__);
return PP_ERROR_BADRESOURCE;
}
if (!vc->thread_started)
goto done;
vc->ppp_video_capture_dev->OnStatus(vc->instance->id, video_capture,
PP_VIDEO_CAPTURE_STATUS_STOPPING);
vc->terminate_thread = 1;
pthread_t thread = vc->thread;
pp_resource_release(video_capture);
pthread_join(thread, NULL);
vc = pp_resource_acquire(video_capture, PP_RESOURCE_VIDEO_CAPTURE);
if (!vc) {
trace_error("%s, resource gone\n", __func__);
return PP_ERROR_BADRESOURCE;
}
vc->thread_started = 0;
vc->terminate_thread = 0;
vc->ppp_video_capture_dev->OnStatus(vc->instance->id, video_capture,
PP_VIDEO_CAPTURE_STATUS_STOPPED);
pp_resource_unref(video_capture); // remove reference made in start_capture()
done:
pp_resource_release(video_capture);
return PP_OK;
}
void
ppb_video_capture_close(PP_Resource video_capture)
{
ppb_video_capture_stop_capture(video_capture);
struct pp_video_capture_s *vc = pp_resource_acquire(video_capture, PP_RESOURCE_VIDEO_CAPTURE);
if (!vc) {
trace_error("%s, bad resource\n", __func__);
return;
}
ppb_video_capture_destroy(vc);
pp_resource_release(video_capture);
return;
}
// trace wrappers
TRACE_WRAPPER
PP_Resource
trace_ppb_video_capture_create(PP_Instance instance)
{
trace_info("[PPB] {full} %s instance=%d\n", __func__+6, instance);
return ppb_video_capture_create(instance);
}
