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winegstreamer: Handle active push of data in Splitter.

This commit is contained in:
Aric Stewart 2010-10-26 11:40:57 -05:00 committed by Alexandre Julliard
parent 85c2ebc563
commit af927de18b
1 changed files with 123 additions and 0 deletions
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123
dlls/winegstreamer/gstdemux.c
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@ -68,6 +68,8 @@ typedef struct GSTImpl {
guint64 start, nextofs, nextpullofs, stop;
ALLOCATOR_PROPERTIES props;
HANDLE event, changed_ofs;
HANDLE push_thread;
} GSTImpl;
struct GSTOutPin {
@ -297,6 +299,7 @@ static gboolean gst_base_src_perform_seek(GSTImpl *This, GstEvent *event)
gboolean flush;
guint32 seqnum;
GstEvent *tevent;
BOOL thread = !!This->push_thread;
gst_event_parse_seek(event, &rate, &seek_format, &flags,
&cur_type, &cur, &stop_type, &stop);
@ -316,6 +319,8 @@ static gboolean gst_base_src_perform_seek(GSTImpl *This, GstEvent *event)
gst_pad_push_event(This->my_src, tevent);
if (This->pInputPin.pReader)
IAsyncReader_BeginFlush(This->pInputPin.pReader);
if (thread)
gst_pad_activate_push(This->my_src, 0);
}
TRACE("++++++++++++++++ perform byte seek ------------------\n");
@ -327,6 +332,8 @@ static gboolean gst_base_src_perform_seek(GSTImpl *This, GstEvent *event)
gst_pad_push_event(This->my_src, tevent);
if (This->pInputPin.pReader)
IAsyncReader_EndFlush(This->pInputPin.pReader);
if (thread)
gst_pad_activate_push(This->my_src, 1);
}
return res;
@ -400,6 +407,76 @@ static void release_sample(void *data) {
TRACE("Releasing %p returns %u\n", data, ret);
}
static DWORD CALLBACK push_data(LPVOID iface) {
GSTImpl *This = iface;
IMediaSample *buf;
DWORD_PTR user;
HRESULT hr;
TRACE("Starting..\n");
for (;;) {
REFERENCE_TIME tStart, tStop;
ULONG len;
GstBuffer *gstbuf;
BYTE *data;
int ret;
hr = IMemAllocator_GetBuffer(This->pInputPin.pAlloc, &buf, NULL, NULL, 0);
if (FAILED(hr))
break;
len = IMediaSample_GetSize(buf);
tStart = MEDIATIME_FROM_BYTES(This->nextofs);
tStop = tStart + MEDIATIME_FROM_BYTES(len);
IMediaSample_SetTime(buf, &tStart, &tStop);
hr = IAsyncReader_Request(This->pInputPin.pReader, buf, 0);
if (FAILED(hr)) {
IMediaSample_Release(buf);
break;
}
This->nextofs += len;
hr = IAsyncReader_WaitForNext(This->pInputPin.pReader, -1, &buf, &user);
if (FAILED(hr) || !buf) {
if (buf)
IMediaSample_Release(buf);
break;
}
IMediaSample_GetPointer(buf, &data);
gstbuf = gst_app_buffer_new(data, IMediaSample_GetActualDataLength(buf), release_sample, buf);
if (!gstbuf) {
IMediaSample_Release(buf);
return S_OK;
}
gstbuf->duration = gstbuf->timestamp = -1;
ret = gst_pad_push(This->my_src, gstbuf);
if (ret >= 0)
hr = S_OK;
else
ERR("Sending returned: %i\n", ret);
if (ret == GST_FLOW_ERROR)
hr = E_FAIL;
else if (ret == GST_FLOW_WRONG_STATE)
hr = VFW_E_WRONG_STATE;
else if (ret == GST_FLOW_RESEND)
hr = S_FALSE;
if (hr != S_OK)
break;
}
TRACE("Almost stopping.. %08x\n", hr);
do {
IAsyncReader_WaitForNext(This->pInputPin.pReader, 0, &buf, &user);
if (buf)
IMediaSample_Release(buf);
} while (buf);
TRACE("Stopping.. %08x\n", hr);
return 0;
}
static HRESULT WINAPI GST_OutPin_QueryAccept(IPin *iface, const AM_MEDIA_TYPE *pmt) {
GSTOutPin *pin = (GSTOutPin*)iface;
FIXME("stub %p\n", pin);
@ -542,6 +619,29 @@ static GstFlowReturn request_buffer_src(GstPad *pad, guint64 ofs, guint len, Gst
return ret;
}
static DWORD CALLBACK push_data_init(LPVOID iface) {
GSTImpl *This = iface;
DWORD64 ofs = 0;
TRACE("Starting..\n");
for (;;) {
GstBuffer *buf;
GstFlowReturn ret = request_buffer_src(This->my_src, ofs, 4096, &buf);
if (ret < 0) {
ERR("Obtaining buffer returned: %i\n", ret);
break;
}
ret = gst_pad_push(This->my_src, buf);
ofs += 4096;
if (ret)
TRACE("Sending returned: %i\n", ret);
if (ret < 0)
break;
}
TRACE("Stopping..\n");
return 0;
}
static void removed_decoded_pad(GstElement *bin, GstPad *pad, GSTImpl *This) {
int x;
GSTOutPin *pin;
@ -697,6 +797,27 @@ static gboolean query_function(GstPad *pad, GstQuery *query) {
}
}
static gboolean activate_push(GstPad *pad, gboolean activate) {
GSTImpl *This = gst_pad_get_element_private(pad);
EnterCriticalSection(&This->filter.csFilter);
if (!activate) {
TRACE("Deactivating\n");
if (This->push_thread) {
WaitForSingleObject(This->push_thread, -1);
CloseHandle(This->push_thread);
This->push_thread = NULL;
}
} else if (!This->push_thread) {
TRACE("Activating\n");
if (This->initial)
This->push_thread = CreateThread(NULL, 0, push_data_init, This, 0, NULL);
else
This->push_thread = CreateThread(NULL, 0, push_data, This, 0, NULL);
}
LeaveCriticalSection(&This->filter.csFilter);
return 1;
}
static void no_more_pads(GstElement *decodebin, GSTImpl *This) {
FIXME("Done\n");
SetEvent(This->event);
@ -752,6 +873,7 @@ static HRESULT GST_Connect(GSTInPin *pPin, IPin *pConnectPin, ALLOCATOR_PROPERTI
gst_pad_set_getrange_function(This->my_src, request_buffer_src);
gst_pad_set_checkgetrange_function(This->my_src, check_get_range);
gst_pad_set_query_function(This->my_src, query_function);
gst_pad_set_activatepush_function(This->my_src, activate_push);
gst_pad_set_event_function(This->my_src, event_src);
gst_pad_set_element_private (This->my_src, This);
This->their_sink = gst_element_get_static_pad(This->gstfilter, "sink");
@ -857,6 +979,7 @@ IUnknown * CALLBACK Gstreamer_Splitter_create(IUnknown *punkout, HRESULT *phr) {
This->cStreams = 0;
This->ppPins = NULL;
This->push_thread = NULL;
This->event = CreateEventW(NULL, 0, 0, NULL);
SourceSeeking_Init(&This->sourceSeeking, &GST_Seeking_Vtbl, GST_ChangeStop, GST_ChangeCurrent, GST_ChangeRate, &This->filter.csFilter);