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winegstreamer: Introduce a callback for filter-specific initialization. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2019-09-18 21:37:02 -05:00 committed by Alexandre Julliard
parent e73c58f9e6
commit 41fc456498
1 changed files with 67 additions and 52 deletions
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119
dlls/winegstreamer/gstdemux.c
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@ -68,6 +68,8 @@ struct gstdemux
HANDLE no_more_pads_event;
HANDLE push_thread;
BOOL (*init_gst)(struct gstdemux *filter);
};
struct gstdemux_source
@ -1068,14 +1070,12 @@ static void unknown_type(GstElement *bin, GstPad *pad, GstCaps *caps, gpointer u
static HRESULT GST_Connect(struct gstdemux *This, IPin *pConnectPin, ALLOCATOR_PROPERTIES *props)
{
int ret, i;
LONGLONG avail, duration;
LONGLONG avail;
GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE(
"quartz_src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
GstElement *gstfilter;
This->props = *props;
IAsyncReader_Length(This->reader, &This->filesize, &avail);
@ -1088,68 +1088,21 @@ static HRESULT GST_Connect(struct gstdemux *This, IPin *pConnectPin, ALLOCATOR_P
This->container = gst_bin_new(NULL);
gst_element_set_bus(This->container, This->bus);
gstfilter = gst_element_factory_make("decodebin", NULL);
if (!gstfilter) {
ERR("Could not make source filter, are gstreamer-plugins-* installed for %u bits?\n",
8 * (int)sizeof(void*));
return E_FAIL;
}
gst_bin_add(GST_BIN(This->container), gstfilter);
g_signal_connect(gstfilter, "pad-added", G_CALLBACK(existing_new_pad_wrapper), This);
g_signal_connect(gstfilter, "pad-removed", G_CALLBACK(removed_decoded_pad_wrapper), This);
g_signal_connect(gstfilter, "autoplug-select", G_CALLBACK(autoplug_blacklist_wrapper), This);
g_signal_connect(gstfilter, "unknown-type", G_CALLBACK(unknown_type_wrapper), This);
This->my_src = gst_pad_new_from_static_template(&src_template, "quartz-src");
gst_pad_set_getrange_function(This->my_src, request_buffer_src_wrapper);
gst_pad_set_query_function(This->my_src, query_function_wrapper);
gst_pad_set_activatemode_function(This->my_src, activate_mode_wrapper);
gst_pad_set_event_function(This->my_src, event_src_wrapper);
gst_pad_set_element_private (This->my_src, This);
This->their_sink = gst_element_get_static_pad(gstfilter, "sink");
g_signal_connect(gstfilter, "no-more-pads", G_CALLBACK(no_more_pads_wrapper), This);
ret = gst_pad_link(This->my_src, This->their_sink);
if (ret < 0) {
ERR("Returns: %i\n", ret);
return E_FAIL;
}
This->start = This->nextofs = This->nextpullofs = This->stop = 0;
/* Add initial pins */
This->initial = TRUE;
ResetEvent(This->no_more_pads_event);
gst_element_set_state(This->container, GST_STATE_PLAYING);
ret = gst_element_get_state(This->container, NULL, NULL, -1);
if (ret == GST_STATE_CHANGE_FAILURE)
{
ERR("GStreamer failed to play stream\n");
if (!This->init_gst(This))
return E_FAIL;
}
WaitForSingleObject(This->no_more_pads_event, INFINITE);
gst_pad_query_duration(This->ppPins[0]->their_src, GST_FORMAT_TIME, &duration);
for (i = 0; i < This->cStreams; ++i)
{
This->ppPins[i]->seek.llDuration = This->ppPins[i]->seek.llStop = duration / 100;
This->ppPins[i]->seek.llCurrent = 0;
if (!This->ppPins[i]->seek.llDuration)
This->ppPins[i]->seek.dwCapabilities = 0;
WaitForSingleObject(This->ppPins[i]->caps_event, INFINITE);
}
*props = This->props;
This->ignore_flush = TRUE;
gst_element_set_state(This->container, GST_STATE_READY);
gst_element_get_state(This->container, NULL, NULL, -1);
This->ignore_flush = FALSE;
This->initial = FALSE;
*props = This->props;
This->nextofs = This->nextpullofs = 0;
return S_OK;
}
@ -1223,6 +1176,67 @@ static const BasePinFuncTable sink_ops =
.pfnGetMediaType = BasePinImpl_GetMediaType,
};
static BOOL gstdecoder_init_gst(struct gstdemux *filter)
{
GstElement *element = gst_element_factory_make("decodebin", NULL);
LONGLONG duration;
unsigned int i;
int ret;
if (!element)
{
ERR("Failed to create decodebin; are %u-bit GStreamer \"base\" plugins installed?\n",
8 * (int)sizeof(void*));
return FALSE;
}
gst_bin_add(GST_BIN(filter->container), element);
g_signal_connect(element, "pad-added", G_CALLBACK(existing_new_pad_wrapper), filter);
g_signal_connect(element, "pad-removed", G_CALLBACK(removed_decoded_pad_wrapper), filter);
g_signal_connect(element, "autoplug-select", G_CALLBACK(autoplug_blacklist_wrapper), filter);
g_signal_connect(element, "unknown-type", G_CALLBACK(unknown_type_wrapper), filter);
g_signal_connect(element, "no-more-pads", G_CALLBACK(no_more_pads_wrapper), filter);
filter->their_sink = gst_element_get_static_pad(element, "sink");
ResetEvent(filter->no_more_pads_event);
if ((ret = gst_pad_link(filter->my_src, filter->their_sink)) < 0)
{
ERR("Failed to link pads, error %d.\n", ret);
return FALSE;
}
gst_element_set_state(filter->container, GST_STATE_PLAYING);
ret = gst_element_get_state(filter->container, NULL, NULL, -1);
if (ret == GST_STATE_CHANGE_FAILURE)
{
ERR("Failed to play stream.\n");
return FALSE;
}
WaitForSingleObject(filter->no_more_pads_event, INFINITE);
gst_pad_query_duration(filter->ppPins[0]->their_src, GST_FORMAT_TIME, &duration);
for (i = 0; i < filter->cStreams; ++i)
{
struct gstdemux_source *pin = filter->ppPins[i];
pin->seek.llDuration = pin->seek.llStop = duration / 100;
pin->seek.llCurrent = 0;
if (!pin->seek.llDuration)
pin->seek.dwCapabilities = 0;
WaitForSingleObject(pin->caps_event, INFINITE);
}
filter->ignore_flush = TRUE;
gst_element_set_state(filter->container, GST_STATE_READY);
gst_element_get_state(filter->container, NULL, NULL, -1);
filter->ignore_flush = FALSE;
return TRUE;
}
IUnknown * CALLBACK Gstreamer_Splitter_create(IUnknown *outer, HRESULT *phr)
{
struct gstdemux *object;
@ -1249,6 +1263,7 @@ IUnknown * CALLBACK Gstreamer_Splitter_create(IUnknown *outer, HRESULT *phr)
lstrcpynW(object->sink.name, wcsInputPinName, ARRAY_SIZE(object->sink.name));
object->sink.IPin_iface.lpVtbl = &GST_InputPin_Vtbl;
object->sink.pFuncsTable = &sink_ops;
object->init_gst = gstdecoder_init_gst;
*phr = S_OK;
TRACE("Created GStreamer demuxer %p.\n", object);