gboolean
dshow_vdec_register (GstPlugin * plugin)
{
GTypeInfo info = {
sizeof (GstDshowVideoDecClass),
(GBaseInitFunc) gst_dshowvideodec_base_init,
NULL,
(GClassInitFunc) gst_dshowvideodec_class_init,
NULL,
NULL,
sizeof (GstDshowVideoDec),
0,
(GInstanceInitFunc) gst_dshowvideodec_init,
};
gint i;
HRESULT hr;
GST_DEBUG_CATEGORY_INIT (dshowvideodec_debug, "dshowvideodec", 0,
"Directshow filter video decoder");
hr = CoInitialize (0);
for (i = 0; i < sizeof (video_dec_codecs) / sizeof (VideoCodecEntry); i++) {
GType type;
CComPtr<IBaseFilter> filter;
guint rank = GST_RANK_MARGINAL;
filter = gst_dshow_find_filter (
video_dec_codecs[i].input_majortype,
video_dec_codecs[i].input_subtype,
video_dec_codecs[i].output_majortype,
video_dec_codecs[i].output_subtype,
video_dec_codecs[i].preferred_filters);
if (filter != NULL) {
if (video_dec_codecs[i].format == GST_MAKE_FOURCC ('W', 'V', 'C', '1')) {
/* FFMPEG WVC1 decoder sucks, get higher priority for ours */
rank = GST_RANK_MARGINAL + 2;
}
GST_DEBUG ("Registering %s with rank %u", video_dec_codecs[i].element_name, rank);
type = g_type_register_static (GST_TYPE_ELEMENT,
video_dec_codecs[i].element_name, &info, (GTypeFlags)0);
g_type_set_qdata (type, DSHOW_CODEC_QDATA, (gpointer) (video_dec_codecs + i));
if (!gst_element_register (plugin, video_dec_codecs[i].element_name, rank, type)) {
return FALSE;
}
GST_DEBUG ("Registered %s", video_dec_codecs[i].element_name);
} else {
GST_DEBUG ("Element %s not registered "
"(the format is not supported by the system)",
video_dec_codecs[i].element_name);
}
}
if (SUCCEEDED(hr))
CoUninitialize ();
return TRUE;
}
gboolean
dshow_adec_register (GstPlugin * plugin)
{
GTypeInfo info = {
sizeof (GstDshowAudioDecClass),
(GBaseInitFunc) gst_dshowaudiodec_base_init,
NULL,
(GClassInitFunc) gst_dshowaudiodec_class_init,
NULL,
NULL,
sizeof (GstDshowAudioDec),
0,
(GInstanceInitFunc) gst_dshowaudiodec_init,
};
gint i;
HRESULT hr;
GST_DEBUG_CATEGORY_INIT (dshowaudiodec_debug, "dshowaudiodec", 0,
"Directshow filter audio decoder");
hr = CoInitialize(0);
for (i = 0; i < sizeof (audio_dec_codecs) / sizeof (AudioCodecEntry); i++) {
GType type;
CComPtr<IBaseFilter> filter;
GUID insubtype = GUID_MEDIASUBTYPE_FROM_FOURCC (audio_dec_codecs[i].format);
GUID outsubtype = GUID_MEDIASUBTYPE_FROM_FOURCC (WAVE_FORMAT_PCM);
filter = gst_dshow_find_filter (MEDIATYPE_Audio,
insubtype,
MEDIATYPE_Audio,
outsubtype,
audio_dec_codecs[i].preferred_filters);
if (filter)
{
GST_DEBUG ("Registering %s", audio_dec_codecs[i].element_name);
tmp = &audio_dec_codecs[i];
type = g_type_register_static (GST_TYPE_ELEMENT,
audio_dec_codecs[i].element_name, &info, (GTypeFlags)0);
if (!gst_element_register (plugin, audio_dec_codecs[i].element_name,
GST_RANK_SECONDARY, type)) {
return FALSE;
}
GST_CAT_DEBUG (dshowaudiodec_debug, "Registered %s",
audio_dec_codecs[i].element_name);
}
else {
GST_DEBUG ("Element %s not registered "
"(the format is not supported by the system)",
audio_dec_codecs[i].element_name);
}
}
if (SUCCEEDED(hr))
CoUninitialize ();
return TRUE;
}
gboolean
dshow_vdec_register (GstPlugin * plugin)
{
GTypeInfo info = {
sizeof (GstDshowVideoDecClass),
(GBaseInitFunc) gst_dshowvideodec_base_init,
NULL,
(GClassInitFunc) gst_dshowvideodec_class_init,
NULL,
NULL,
sizeof (GstDshowVideoDec),
0,
(GInstanceInitFunc) gst_dshowvideodec_init,
};
gint i;
HRESULT hr;
GST_DEBUG_CATEGORY_INIT (dshowvideodec_debug, "dshowvideodec", 0,
"Directshow filter video decoder");
hr = CoInitialize (0);
for (i = 0; i < sizeof (video_dec_codecs) / sizeof (VideoCodecEntry); i++) {
GType type;
CComPtr<IBaseFilter> filter;
filter = gst_dshow_find_filter (
video_dec_codecs[i].input_majortype,
video_dec_codecs[i].input_subtype,
video_dec_codecs[i].output_majortype,
video_dec_codecs[i].output_subtype,
video_dec_codecs[i].preferred_filters);
if (filter != NULL) {
GST_DEBUG ("Registering %s", video_dec_codecs[i].element_name);
tmp = &video_dec_codecs[i];
type =
g_type_register_static (GST_TYPE_ELEMENT,
video_dec_codecs[i].element_name, &info, (GTypeFlags)0);
if (!gst_element_register (plugin, video_dec_codecs[i].element_name,
GST_RANK_PRIMARY, type)) {
return FALSE;
}
GST_DEBUG ("Registered %s", video_dec_codecs[i].element_name);
} else {
GST_DEBUG ("Element %s not registered "
"(the format is not supported by the system)",
video_dec_codecs[i].element_name);
}
}
if (SUCCEEDED(hr))
CoUninitialize ();
return TRUE;
}
gboolean
dshow_vdec_register (GstPlugin * plugin)
{
GTypeInfo info = {
sizeof (GstDshowVideoDecClass),
(GBaseInitFunc) gst_dshowvideodec_base_init,
NULL,
(GClassInitFunc) gst_dshowvideodec_class_init,
NULL,
NULL,
sizeof (GstDshowVideoDec),
0,
(GInstanceInitFunc) gst_dshowvideodec_init,
};
gint i;
GST_DEBUG_CATEGORY_INIT (dshowvideodec_debug, "dshowvideodec", 0,
"Directshow filter video decoder");
CoInitializeEx (NULL, COINIT_MULTITHREADED);
for (i = 0; i < sizeof (video_dec_codecs) / sizeof (CodecEntry); i++) {
GType type;
if (gst_dshow_find_filter (video_dec_codecs[i].input_majortype,
video_dec_codecs[i].input_subtype,
video_dec_codecs[i].output_majortype,
video_dec_codecs[i].output_subtype,
video_dec_codecs[i].preferred_filter_substring, NULL)) {
GST_CAT_DEBUG (dshowvideodec_debug, "Registering %s",
video_dec_codecs[i].element_name);
tmp = &video_dec_codecs[i];
type =
g_type_register_static (GST_TYPE_ELEMENT,
video_dec_codecs[i].element_name, &info, 0);
if (!gst_element_register (plugin, video_dec_codecs[i].element_name,
GST_RANK_PRIMARY, type)) {
return FALSE;
}
GST_CAT_DEBUG (dshowvideodec_debug, "Registered %s",
video_dec_codecs[i].element_name);
} else {
GST_CAT_DEBUG (dshowvideodec_debug,
"Element %s not registered (the format is not supported by the system)",
video_dec_codecs[i].element_name);
}
}
CoUninitialize ();
return TRUE;
}
static gboolean
gst_dshowvideodec_create_graph_and_filters (GstDshowVideoDec * vdec)
{
HRESULT hres = S_FALSE;
GstDshowVideoDecClass *klass =
(GstDshowVideoDecClass *) G_OBJECT_GET_CLASS (vdec);
/* create the filter graph manager object */
hres = CoCreateInstance (&CLSID_FilterGraph, NULL, CLSCTX_INPROC,
&IID_IFilterGraph, (LPVOID *) & vdec->filtergraph);
if (hres != S_OK || !vdec->filtergraph) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance "
"of the directshow graph manager (error=%d)", hres), (NULL));
goto error;
}
hres = IFilterGraph_QueryInterface (vdec->filtergraph, &IID_IMediaFilter,
(void **) &vdec->mediafilter);
if (hres != S_OK || !vdec->mediafilter) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED,
("Can't get IMediacontrol interface "
"from the graph manager (error=%d)", hres), (NULL));
goto error;
}
/* create fake src filter */
hres = CoCreateInstance (&CLSID_DshowFakeSrc, NULL, CLSCTX_INPROC,
&IID_IBaseFilter, (LPVOID *) & vdec->srcfilter);
if (hres != S_OK || !vdec->srcfilter) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance "
"of the directshow fakesrc (error=%d)", hres), (NULL));
goto error;
}
/* search a decoder filter and create it */
if (!gst_dshow_find_filter (klass->entry->input_majortype,
klass->entry->input_subtype,
klass->entry->output_majortype,
klass->entry->output_subtype,
klass->entry->preferred_filter_substring, &vdec->decfilter)) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance "
"of the decoder filter"), (NULL));
goto error;
}
/* create fake sink filter */
hres = CoCreateInstance (&CLSID_DshowFakeSink, NULL, CLSCTX_INPROC,
&IID_IBaseFilter, (LPVOID *) & vdec->sinkfilter);
if (hres != S_OK || !vdec->sinkfilter) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance "
"of the directshow fakesink (error=%d)", hres), (NULL));
goto error;
}
/* add filters to the graph */
hres = IFilterGraph_AddFilter (vdec->filtergraph, vdec->srcfilter, L"src");
if (hres != S_OK) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't add fakesrc filter "
"to the graph (error=%d)", hres), (NULL));
goto error;
}
hres =
IFilterGraph_AddFilter (vdec->filtergraph, vdec->decfilter, L"decoder");
if (hres != S_OK) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't add decoder filter "
"to the graph (error=%d)", hres), (NULL));
goto error;
}
hres = IFilterGraph_AddFilter (vdec->filtergraph, vdec->sinkfilter, L"sink");
if (hres != S_OK) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't add fakesink filter "
"to the graph (error=%d)", hres), (NULL));
goto error;
}
return TRUE;
error:
if (vdec->srcfilter) {
IBaseFilter_Release (vdec->srcfilter);
vdec->srcfilter = NULL;
}
if (vdec->decfilter) {
IBaseFilter_Release (vdec->decfilter);
vdec->decfilter = NULL;
}
if (vdec->sinkfilter) {
IBaseFilter_Release (vdec->sinkfilter);
vdec->sinkfilter = NULL;
}
if (vdec->mediafilter) {
IMediaFilter_Release (vdec->mediafilter);
vdec->mediafilter = NULL;
}
if (vdec->filtergraph) {
IFilterGraph_Release (vdec->filtergraph);
vdec->filtergraph = NULL;
}
return FALSE;
}
static gboolean
gst_dshowvideodec_create_graph_and_filters (GstDshowVideoDec * vdec)
{
HRESULT hres = S_FALSE;
GstDshowVideoDecClass *klass =
(GstDshowVideoDecClass *) G_OBJECT_GET_CLASS (vdec);
IBaseFilter *srcfilter = NULL;
IBaseFilter *sinkfilter = NULL;
gboolean ret = FALSE;
/* create the filter graph manager object */
hres = CoCreateInstance (CLSID_FilterGraph, NULL, CLSCTX_INPROC,
IID_IFilterGraph, (LPVOID *) & vdec->filtergraph);
if (hres != S_OK || !vdec->filtergraph) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance "
"of the directshow graph manager (error=%d)", hres), (NULL));
goto error;
}
hres = vdec->filtergraph->QueryInterface(IID_IMediaFilter,
(void **) &vdec->mediafilter);
if (hres != S_OK || !vdec->mediafilter) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED,
("Can't get IMediacontrol interface "
"from the graph manager (error=%d)", hres), (NULL));
goto error;
}
/* create fake src filter */
vdec->fakesrc = new FakeSrc();
/* Created with a refcount of zero, so increment that */
vdec->fakesrc->AddRef();
hres = vdec->fakesrc->QueryInterface(IID_IBaseFilter,
(void **) &srcfilter);
if (FAILED (hres)) {
GST_WARNING_OBJECT (vdec, "Failed to QI fakesrc to IBaseFilter");
goto error;
}
/* search a decoder filter and create it */
vdec->decfilter = gst_dshow_find_filter (
klass->entry->input_majortype,
klass->entry->input_subtype,
klass->entry->output_majortype,
klass->entry->output_subtype,
klass->entry->preferred_filters);
if (vdec->decfilter == NULL) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't create an instance "
"of the decoder filter"), (NULL));
goto error;
}
/* create fake sink filter */
vdec->fakesink = new VideoFakeSink(vdec);
/* Created with a refcount of zero, so increment that */
vdec->fakesink->AddRef();
hres = vdec->fakesink->QueryInterface(IID_IBaseFilter,
(void **) &sinkfilter);
if (FAILED (hres)) {
GST_WARNING_OBJECT (vdec, "Failed to QI fakesink to IBaseFilter");
goto error;
}
/* add filters to the graph */
hres = vdec->filtergraph->AddFilter (srcfilter, L"src");
if (hres != S_OK) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't add fakesrc filter "
"to the graph (error=%d)", hres), (NULL));
goto error;
}
hres = vdec->filtergraph->AddFilter(vdec->decfilter, L"decoder");
if (hres != S_OK) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't add decoder filter "
"to the graph (error=%d)", hres), (NULL));
goto error;
}
hres = vdec->filtergraph->AddFilter(sinkfilter, L"sink");
if (hres != S_OK) {
GST_ELEMENT_ERROR (vdec, STREAM, FAILED, ("Can't add fakesink filter "
"to the graph (error=%d)", hres), (NULL));
goto error;
}
vdec->setup = TRUE;
ret = TRUE;
done:
if (srcfilter)
srcfilter->Release();
if (sinkfilter)
sinkfilter->Release();
return ret;
error:
if (vdec->fakesrc) {
vdec->fakesrc->Release();
vdec->fakesrc = NULL;
}
if (vdec->decfilter) {
vdec->decfilter->Release();
vdec->decfilter = NULL;
}
if (vdec->fakesink) {
vdec->fakesink->Release();
vdec->fakesink = NULL;
}
if (vdec->mediafilter) {
vdec->mediafilter->Release();
vdec->mediafilter = NULL;
}
if (vdec->filtergraph) {
vdec->filtergraph->Release();
vdec->filtergraph = NULL;
}
goto done;
}
static gboolean
gst_dshowaudiodec_create_graph_and_filters (GstDshowAudioDec * adec)
{
HRESULT hres;
GstDshowAudioDecClass *klass =
(GstDshowAudioDecClass *) G_OBJECT_GET_CLASS (adec);
CComQIPtr<IBaseFilter> srcfilter;
CComQIPtr<IBaseFilter> sinkfilter;
GUID insubtype = GUID_MEDIASUBTYPE_FROM_FOURCC (klass->entry->format);
GUID outsubtype = GUID_MEDIASUBTYPE_FROM_FOURCC (WAVE_FORMAT_PCM);
/* create the filter graph manager object */
hres = adec->filtergraph.CoCreateInstance (
CLSID_FilterGraph, NULL, CLSCTX_INPROC);
if (FAILED (hres)) {
GST_ELEMENT_ERROR (adec, STREAM, FAILED,
("Can't create an instance of the directshow graph manager (error=%d)",
hres), (NULL));
goto error;
}
hres = adec->filtergraph->QueryInterface (&adec->mediafilter);
if (FAILED (hres)) {
GST_WARNING_OBJECT (adec, "Can't QI filtergraph to mediafilter");
goto error;
}
/* create fake src filter */
adec->fakesrc = new FakeSrc();
/* Created with a refcount of zero, so increment that */
adec->fakesrc->AddRef();
/* create decoder filter */
adec->decfilter = gst_dshow_find_filter (MEDIATYPE_Audio,
insubtype,
MEDIATYPE_Audio,
outsubtype,
klass->entry->preferred_filters);
if (adec->decfilter == NULL) {
GST_ELEMENT_ERROR (adec, STREAM, FAILED,
("Can't create an instance of the decoder filter"), (NULL));
goto error;
}
/* create fake sink filter */
adec->fakesink = new AudioFakeSink(adec);
/* Created with a refcount of zero, so increment that */
adec->fakesink->AddRef();
/* add filters to the graph */
srcfilter = adec->fakesrc;
hres = adec->filtergraph->AddFilter (srcfilter, L"src");
if (hres != S_OK) {
GST_ELEMENT_ERROR (adec, STREAM, FAILED,
("Can't add fakesrc filter to the graph (error=%d)", hres), (NULL));
goto error;
}
hres = adec->filtergraph->AddFilter(adec->decfilter, L"decoder");
if (hres != S_OK) {
GST_ELEMENT_ERROR (adec, STREAM, FAILED,
("Can't add decoder filter to the graph (error=%d)", hres), (NULL));
goto error;
}
sinkfilter = adec->fakesink;
hres = adec->filtergraph->AddFilter(sinkfilter, L"sink");
if (hres != S_OK) {
GST_ELEMENT_ERROR (adec, STREAM, FAILED,
("Can't add fakesink filter to the graph (error=%d)", hres), (NULL));
goto error;
}
return TRUE;
error:
if (adec->fakesrc) {
adec->fakesrc->Release();
adec->fakesrc = NULL;
}
if (adec->fakesink) {
adec->fakesink->Release();
adec->fakesink = NULL;
}
adec->decfilter = 0;
adec->mediafilter = 0;
adec->filtergraph = 0;
return FALSE;
}
