static void rungraph(void)
{
HRESULT hr;
IMediaControl* pmc;
IMediaEvent* pme;
HANDLE hEvent;
hr = IGraphBuilder_QueryInterface(pgraph, &IID_IMediaControl, (LPVOID*)&pmc);
ok(hr==S_OK, "Cannot get IMediaControl interface returned: %lx\n", hr);
hr = IMediaControl_Run(pmc);
ok(hr==S_FALSE, "Cannot run the graph returned: %lx\n", hr);
hr = IGraphBuilder_QueryInterface(pgraph, &IID_IMediaEvent, (LPVOID*)&pme);
ok(hr==S_OK, "Cannot get IMediaEvent interface returned: %lx\n", hr);
hr = IMediaEvent_GetEventHandle(pme, (OAEVENT*)&hEvent);
ok(hr==S_OK, "Cannot get event handle returned: %lx\n", hr);
/* WaitForSingleObject(hEvent, INFINITE); */
Sleep(20000);
hr = IMediaControl_Release(pme);
ok(hr==2, "Releasing mediaevent returned: %lx\n", hr);
hr = IMediaControl_Stop(pmc);
ok(hr==S_OK, "Cannot stop the graph returned: %lx\n", hr);
hr = IMediaControl_Release(pmc);
ok(hr==1, "Releasing mediacontrol returned: %lx\n", hr);
}
/***************************************************************************
* MCIQTZ_notifyThread [internal]
*/
static DWORD CALLBACK MCIQTZ_notifyThread(LPVOID parm)
{
WINE_MCIQTZ* wma = (WINE_MCIQTZ *)parm;
HRESULT hr;
HANDLE handle[2];
DWORD n = 0, ret = 0;
handle[n++] = wma->stop_event;
IMediaEvent_GetEventHandle(wma->mevent, (OAEVENT *)&handle[n++]);
for (;;) {
DWORD r;
HANDLE old;
r = WaitForMultipleObjects(n, handle, FALSE, INFINITE);
if (r == WAIT_OBJECT_0) {
TRACE("got stop event\n");
old = InterlockedExchangePointer(&wma->callback, NULL);
if (old)
mciDriverNotify(old, wma->notify_devid, MCI_NOTIFY_ABORTED);
break;
}
else if (r == WAIT_OBJECT_0+1) {
LONG event_code;
LONG_PTR p1, p2;
do {
hr = IMediaEvent_GetEvent(wma->mevent, &event_code, &p1, &p2, 0);
if (SUCCEEDED(hr)) {
TRACE("got event_code = 0x%02x\n", event_code);
IMediaEvent_FreeEventParams(wma->mevent, event_code, p1, p2);
}
} while (hr == S_OK && event_code != EC_COMPLETE);
if (hr == S_OK && event_code == EC_COMPLETE) {
old = InterlockedExchangePointer(&wma->callback, NULL);
if (old)
mciDriverNotify(old, wma->notify_devid, MCI_NOTIFY_SUCCESSFUL);
break;
}
}
else {
TRACE("Unknown error (%d)\n", (int)r);
break;
}
}
hr = IMediaControl_Stop(wma->pmctrl);
if (FAILED(hr)) {
TRACE("Cannot stop filtergraph (hr = %x)\n", hr);
ret = MCIERR_INTERNAL;
}
return ret;
}
static int dshow_read_header(AVFormatContext *avctx)
{
struct dshow_ctx *ctx = avctx->priv_data;
IGraphBuilder *graph = NULL;
ICreateDevEnum *devenum = NULL;
IMediaControl *control = NULL;
IMediaEvent *media_event = NULL;
HANDLE media_event_handle;
HANDLE proc;
int ret = AVERROR(EIO);
int r;
CoInitialize(0);
if (!ctx->list_devices && !parse_device_name(avctx)) {
av_log(avctx, AV_LOG_ERROR, "Malformed dshow input string.\n");
goto error;
}
ctx->video_codec_id = avctx->video_codec_id ? avctx->video_codec_id
: AV_CODEC_ID_RAWVIDEO;
if (ctx->pixel_format != AV_PIX_FMT_NONE) {
if (ctx->video_codec_id != AV_CODEC_ID_RAWVIDEO) {
av_log(avctx, AV_LOG_ERROR, "Pixel format may only be set when "
"video codec is not set or set to rawvideo\n");
ret = AVERROR(EINVAL);
goto error;
}
}
if (ctx->framerate) {
r = av_parse_video_rate(&ctx->requested_framerate, ctx->framerate);
if (r < 0) {
av_log(avctx, AV_LOG_ERROR, "Could not parse framerate '%s'.\n", ctx->framerate);
goto error;
}
}
r = CoCreateInstance(&CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
&IID_IGraphBuilder, (void **) &graph);
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not create capture graph.\n");
goto error;
}
ctx->graph = graph;
r = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
&IID_ICreateDevEnum, (void **) &devenum);
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not enumerate system devices.\n");
goto error;
}
if (ctx->list_devices) {
av_log(avctx, AV_LOG_INFO, "DirectShow video devices (some may be both video and audio devices)\n");
dshow_cycle_devices(avctx, devenum, VideoDevice, VideoSourceDevice, NULL);
av_log(avctx, AV_LOG_INFO, "DirectShow audio devices\n");
dshow_cycle_devices(avctx, devenum, AudioDevice, AudioSourceDevice, NULL);
ret = AVERROR_EXIT;
goto error;
}
if (ctx->list_options) {
if (ctx->device_name[VideoDevice])
if ((r = dshow_list_device_options(avctx, devenum, VideoDevice, VideoSourceDevice))) {
ret = r;
goto error;
}
if (ctx->device_name[AudioDevice]) {
if (dshow_list_device_options(avctx, devenum, AudioDevice, AudioSourceDevice)) {
/* show audio options from combined video+audio sources as fallback */
if ((r = dshow_list_device_options(avctx, devenum, AudioDevice, VideoSourceDevice))) {
ret = r;
goto error;
}
}
}
}
if (ctx->device_name[VideoDevice]) {
if ((r = dshow_open_device(avctx, devenum, VideoDevice, VideoSourceDevice)) < 0 ||
(r = dshow_add_device(avctx, VideoDevice)) < 0) {
ret = r;
goto error;
}
}
if (ctx->device_name[AudioDevice]) {
if ((r = dshow_open_device(avctx, devenum, AudioDevice, AudioSourceDevice)) < 0 ||
(r = dshow_add_device(avctx, AudioDevice)) < 0) {
av_log(avctx, AV_LOG_INFO, "Searching for audio device within video devices for %s\n", ctx->device_name[AudioDevice]);
/* see if there's a video source with an audio pin with the given audio name */
if ((r = dshow_open_device(avctx, devenum, AudioDevice, VideoSourceDevice)) < 0 ||
(r = dshow_add_device(avctx, AudioDevice)) < 0) {
ret = r;
goto error;
}
}
}
if (ctx->list_options) {
/* allow it to list crossbar options in dshow_open_device */
ret = AVERROR_EXIT;
goto error;
}
ctx->curbufsize[0] = 0;
ctx->curbufsize[1] = 0;
ctx->mutex = CreateMutex(NULL, 0, NULL);
if (!ctx->mutex) {
av_log(avctx, AV_LOG_ERROR, "Could not create Mutex\n");
goto error;
}
ctx->event[1] = CreateEvent(NULL, 1, 0, NULL);
if (!ctx->event[1]) {
av_log(avctx, AV_LOG_ERROR, "Could not create Event\n");
goto error;
}
r = IGraphBuilder_QueryInterface(graph, &IID_IMediaControl, (void **) &control);
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not get media control.\n");
goto error;
}
ctx->control = control;
r = IGraphBuilder_QueryInterface(graph, &IID_IMediaEvent, (void **) &media_event);
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not get media event.\n");
goto error;
}
ctx->media_event = media_event;
r = IMediaEvent_GetEventHandle(media_event, (void *) &media_event_handle);
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not get media event handle.\n");
goto error;
}
proc = GetCurrentProcess();
r = DuplicateHandle(proc, media_event_handle, proc, &ctx->event[0],
0, 0, DUPLICATE_SAME_ACCESS);
if (!r) {
av_log(avctx, AV_LOG_ERROR, "Could not duplicate media event handle.\n");
goto error;
}
r = IMediaControl_Run(control);
if (r == S_FALSE) {
OAFilterState pfs;
r = IMediaControl_GetState(control, 0, &pfs);
}
if (r != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Could not run graph (sometimes caused by a device already in use by other application)\n");
goto error;
}
ret = 0;
error:
if (devenum)
ICreateDevEnum_Release(devenum);
if (ret < 0)
dshow_read_close(avctx);
return ret;
}