void
gst_dshow_free_pins_mediatypes (GList * pins_mediatypes)
{
while (pins_mediatypes != NULL) {
gst_dshow_free_pin_mediatype (pins_mediatypes->data);
pins_mediatypes = g_list_remove_link (pins_mediatypes, pins_mediatypes);
}
}
static GstCaps *
gst_dshowvideosrc_getcaps_from_enum_mediatypes (GstDshowVideoSrc * src, IPin * pin)
{
GstCaps *caps = NULL;
IEnumMediaTypes *enum_mediatypes = NULL;
HRESULT hres = S_OK;
GstCapturePinMediaType *pin_mediatype = NULL;
hres = pin->EnumMediaTypes (&enum_mediatypes);
if (FAILED (hres)) {
GST_ERROR ("Failed to retrieve IEnumMediaTypes (error=0x%x)", hres);
return NULL;
}
caps = gst_caps_new_empty ();
while ((pin_mediatype = gst_dshow_new_pin_mediatype_from_enum_mediatypes (pin, enum_mediatypes)) != NULL) {
GstCaps *mediacaps = NULL;
GstVideoFormat video_format = gst_dshow_guid_to_gst_video_format (pin_mediatype->mediatype);
GstVideoInfo info;
gst_video_info_init(&info);
gst_video_info_set_format(&info, video_format, pin_mediatype->defaultWidth, pin_mediatype->defaultHeight);
info.fps_n = pin_mediatype->defaultFPS;
info.fps_d = 1;
info.par_n = 1;
info.par_d = 1;
if(video_format == GST_VIDEO_FORMAT_ENCODED) {
if(gst_dshow_check_mediatype(pin_mediatype->mediatype, MEDIASUBTYPE_MJPG, FORMAT_VideoInfo)) {
mediacaps = gst_caps_new_simple("image/jpeg", "width", G_TYPE_INT, info.width,
"height", G_TYPE_INT, info.height,
"framerate", GST_TYPE_FRACTION, info.fps_n, info.fps_d);
}
}
else if (video_format != GST_VIDEO_FORMAT_UNKNOWN)
mediacaps = gst_video_info_to_caps (&info);
if (mediacaps) {
src->pins_mediatypes =
g_list_append (src->pins_mediatypes, pin_mediatype);
gst_caps_append (caps, mediacaps);
} else {
/* failed to convert dshow caps */
gst_dshow_free_pin_mediatype (pin_mediatype);
}
}
enum_mediatypes->Release ();
if (caps && gst_caps_is_empty (caps)) {
gst_caps_unref (caps);
caps = NULL;
}
return caps;
}
void
gst_dshow_free_pins_mediatypes (GList * pins_mediatypes)
{
guint i = 0;
for (; i < g_list_length (pins_mediatypes); i++) {
GList *mylist = g_list_nth (pins_mediatypes, i);
if (mylist && mylist->data)
gst_dshow_free_pin_mediatype ((GstCapturePinMediaType *) mylist->data);
}
g_list_free (pins_mediatypes);
}
GstCaps *
gst_dshowvideosrc_getcaps_from_enum_mediatypes (IPin * pin, GList ** pins_mediatypes)
{
GstCaps *caps = NULL;
IEnumMediaTypes *enum_mediatypes = NULL;
HRESULT hres = S_OK;
GstCapturePinMediaType *pin_mediatype = NULL;
hres = pin->EnumMediaTypes (&enum_mediatypes);
if (FAILED (hres)) {
GST_ERROR ("Failed to retrieve IEnumMediaTypes (error=0x%x)", hres);
return NULL;
}
caps = gst_caps_new_empty ();
while ((pin_mediatype = gst_dshow_new_pin_mediatype_from_enum_mediatypes (pin, enum_mediatypes)) != NULL) {
GstCaps *mediacaps = NULL;
GstVideoFormat video_format = gst_dshow_guid_to_gst_video_format (pin_mediatype->mediatype);
if (video_format != GST_VIDEO_FORMAT_UNKNOWN) {
GstVideoInfo info;
gst_video_info_init(&info);
gst_video_info_set_format(&info, video_format, pin_mediatype->defaultWidth, pin_mediatype->defaultHeight);
info.fps_n = pin_mediatype->defaultFPS;
info.fps_d = 1;
info.par_n = 1;
info.par_d = 1;
info.interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE; /* XXX is this correct ? */
mediacaps = gst_video_info_to_caps(&info);
}
if (mediacaps) {
if (pins_mediatypes != NULL) {
*pins_mediatypes = g_list_append (*pins_mediatypes, pin_mediatype);
}
gst_caps_append (caps, mediacaps);
} else {
/* failed to convert dshow caps */
gst_dshow_free_pin_mediatype (pin_mediatype);
}
}
enum_mediatypes->Release ();
if (caps && gst_caps_is_empty (caps)) {
gst_caps_unref (caps);
caps = NULL;
}
return caps;
}
static GstCaps *
gst_dshowvideosrc_getcaps_from_enum_mediatypes (GstDshowVideoSrc * src, IPin * pin)
{
GstCaps *caps = NULL;
IEnumMediaTypes *enum_mediatypes = NULL;
HRESULT hres = S_OK;
GstCapturePinMediaType *pin_mediatype = NULL;
hres = pin->EnumMediaTypes (&enum_mediatypes);
if (FAILED (hres)) {
GST_ERROR ("Failed to retrieve IEnumMediaTypes (error=0x%x)", hres);
return NULL;
}
caps = gst_caps_new_empty ();
while ((pin_mediatype = gst_dshow_new_pin_mediatype_from_enum_mediatypes (pin, enum_mediatypes)) != NULL) {
GstCaps *mediacaps = NULL;
GstVideoFormat video_format = gst_dshow_guid_to_gst_video_format (pin_mediatype->mediatype);
if (video_format != GST_VIDEO_FORMAT_UNKNOWN)
mediacaps = gst_video_format_new_caps (video_format,
pin_mediatype->defaultWidth, pin_mediatype->defaultHeight,
pin_mediatype->defaultFPS, 1, 1, 1);
if (mediacaps) {
src->pins_mediatypes =
g_list_append (src->pins_mediatypes, pin_mediatype);
gst_caps_append (caps, mediacaps);
} else {
/* failed to convert dshow caps */
gst_dshow_free_pin_mediatype (pin_mediatype);
}
}
enum_mediatypes->Release ();
if (caps && gst_caps_is_empty (caps)) {
gst_caps_unref (caps);
caps = NULL;
}
return caps;
}
GstCapturePinMediaType *
gst_dshow_new_pin_mediatype_from_enum_mediatypes (IPin * pin, IEnumMediaTypes *enum_mediatypes)
{
GstCapturePinMediaType *pin_mediatype = gst_dshow_new_pin_mediatype (pin);
VIDEOINFOHEADER *video_info = NULL;
HRESULT hres = enum_mediatypes->Next (1, &pin_mediatype->mediatype, NULL);
if (hres != S_OK || !pin_mediatype->mediatype) {
gst_dshow_free_pin_mediatype (pin_mediatype);
return NULL;
}
video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
pin_mediatype->defaultWidth = video_info->bmiHeader.biWidth;
pin_mediatype->defaultHeight = video_info->bmiHeader.biHeight;
pin_mediatype->defaultFPS = (gint) (10000000 / video_info->AvgTimePerFrame);
pin_mediatype->granularityWidth = 1;
pin_mediatype->granularityHeight = 1;
return pin_mediatype;
}
GstCapturePinMediaType *
gst_dshow_new_pin_mediatype_from_streamcaps (IPin * pin, gint id, IAMStreamConfig * streamcaps)
{
GstCapturePinMediaType *pin_mediatype = gst_dshow_new_pin_mediatype (pin);
VIDEOINFOHEADER *video_info = NULL;
HRESULT hres = streamcaps->GetStreamCaps (id, &pin_mediatype->mediatype,
(BYTE *) & pin_mediatype->vscc);
if (FAILED (hres) || !pin_mediatype->mediatype) {
gst_dshow_free_pin_mediatype (pin_mediatype);
return NULL;
}
video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
pin_mediatype->defaultWidth = video_info->bmiHeader.biWidth;
pin_mediatype->defaultHeight = video_info->bmiHeader.biHeight;
pin_mediatype->defaultFPS = (gint) (10000000 / video_info->AvgTimePerFrame);
pin_mediatype->granularityWidth = pin_mediatype->vscc.OutputGranularityX;
pin_mediatype->granularityHeight = pin_mediatype->vscc.OutputGranularityY;
return pin_mediatype;
}
static GstCaps *
gst_dshowaudiosrc_getcaps_from_streamcaps (GstDshowAudioSrc * src, IPin * pin,
IAMStreamConfig * streamcaps)
{
GstCaps *caps = NULL;
HRESULT hres = S_OK;
RPC_STATUS rpcstatus;
int icount = 0;
int isize = 0;
AUDIO_STREAM_CONFIG_CAPS ascc;
int i = 0;
if (!streamcaps)
return NULL;
IAMStreamConfig_GetNumberOfCapabilities (streamcaps, &icount, &isize);
if (isize != sizeof (ascc))
return NULL;
for (; i < icount; i++) {
GstCapturePinMediaType *pin_mediatype = g_new0 (GstCapturePinMediaType, 1);
IPin_AddRef (pin);
pin_mediatype->capture_pin = pin;
hres =
IAMStreamConfig_GetStreamCaps (streamcaps, i, &pin_mediatype->mediatype,
(BYTE *) & ascc);
if (hres == S_OK && pin_mediatype->mediatype) {
GstCaps *mediacaps = NULL;
if (!caps)
caps = gst_caps_new_empty ();
if ((UuidCompare (&pin_mediatype->mediatype->subtype, &MEDIASUBTYPE_PCM,
&rpcstatus) == 0 && rpcstatus == RPC_S_OK)
&& (UuidCompare (&pin_mediatype->mediatype->formattype,
&FORMAT_WaveFormatEx, &rpcstatus) == 0
&& rpcstatus == RPC_S_OK)) {
WAVEFORMATEX *wavformat =
(WAVEFORMATEX *) pin_mediatype->mediatype->pbFormat;
mediacaps =
gst_caps_new_simple ("audio/x-raw-int", "width", G_TYPE_INT,
wavformat->wBitsPerSample, "depth", G_TYPE_INT,
wavformat->wBitsPerSample, "endianness", G_TYPE_INT, G_BYTE_ORDER,
"signed", G_TYPE_BOOLEAN, TRUE, "channels", G_TYPE_INT,
wavformat->nChannels, "rate", G_TYPE_INT, wavformat->nSamplesPerSec,
NULL);
if (mediacaps) {
src->pins_mediatypes =
g_list_append (src->pins_mediatypes, pin_mediatype);
gst_caps_append (caps, mediacaps);
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
}
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
}
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
}
}
if (caps && gst_caps_is_empty (caps)) {
gst_caps_unref (caps);
caps = NULL;
}
return caps;
}
static GstCaps *
gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin)
{
GstCaps *caps = NULL;
HRESULT hres = S_OK;
int icount = 0;
int isize = 0;
VIDEO_STREAM_CONFIG_CAPS vscc;
int i = 0;
IAMStreamConfig *streamcaps = NULL;
hres = pin->QueryInterface (IID_IAMStreamConfig, (LPVOID *) & streamcaps);
if (FAILED (hres)) {
GST_ERROR ("Failed to retrieve IAMStreamConfig (error=0x%x)", hres);
return NULL;
}
streamcaps->GetNumberOfCapabilities (&icount, &isize);
if (isize != sizeof (vscc)) {
streamcaps->Release ();
return NULL;
}
caps = gst_caps_new_empty ();
for (i = 0; i < icount; i++) {
GstCapturePinMediaType *pin_mediatype =
gst_dshow_new_pin_mediatype_from_streamcaps (pin, i, streamcaps);
if (pin_mediatype) {
GstCaps *mediacaps = NULL;
GstVideoFormat video_format =
gst_dshow_guid_to_gst_video_format (pin_mediatype->mediatype);
if (video_format != GST_VIDEO_FORMAT_UNKNOWN) {
mediacaps = gst_dshow_new_video_caps (video_format, NULL,
pin_mediatype);
} else if (gst_dshow_check_mediatype (pin_mediatype->mediatype,
MEDIASUBTYPE_dvsd, FORMAT_VideoInfo)) {
mediacaps =
gst_dshow_new_video_caps (GST_VIDEO_FORMAT_UNKNOWN,
"video/x-dv, systemstream=FALSE", pin_mediatype);
} else if (gst_dshow_check_mediatype (pin_mediatype->mediatype,
MEDIASUBTYPE_dvsd, FORMAT_DvInfo)) {
mediacaps =
gst_dshow_new_video_caps (GST_VIDEO_FORMAT_UNKNOWN,
"video/x-dv, systemstream=TRUE", pin_mediatype);
pin_mediatype->granularityWidth = 0;
pin_mediatype->granularityHeight = 0;
} else if(gst_dshow_check_mediatype(pin_mediatype->mediatype,
MEDIASUBTYPE_MJPG, FORMAT_VideoInfo)) {
mediacaps = gst_dshow_new_video_caps(GST_VIDEO_FORMAT_UNKNOWN,
"image/jpeg", pin_mediatype);
}
if (mediacaps) {
src->pins_mediatypes =
g_list_append (src->pins_mediatypes, pin_mediatype);
gst_caps_append (caps, mediacaps);
} else {
/* failed to convert dshow caps */
gst_dshow_free_pin_mediatype (pin_mediatype);
}
}
}
streamcaps->Release ();
if (caps && gst_caps_is_empty (caps)) {
gst_caps_unref (caps);
caps = NULL;
}
return caps;
}
static GstCaps *
gst_dshowaudiosrc_getcaps_from_streamcaps (GstDshowAudioSrc * src, IPin * pin,
IAMStreamConfig * streamcaps)
{
GstCaps *caps = NULL;
HRESULT hres = S_OK;
int icount = 0;
int isize = 0;
AUDIO_STREAM_CONFIG_CAPS ascc;
int i = 0;
if (!streamcaps)
return NULL;
streamcaps->GetNumberOfCapabilities (&icount, &isize);
if (isize != sizeof (ascc))
return NULL;
for (; i < icount; i++) {
GstCapturePinMediaType *pin_mediatype = g_new0 (GstCapturePinMediaType, 1);
pin->AddRef ();
pin_mediatype->capture_pin = pin;
hres = streamcaps->GetStreamCaps (i, &pin_mediatype->mediatype,
(BYTE *) & ascc);
if (hres == S_OK && pin_mediatype->mediatype) {
GstCaps *mediacaps = NULL;
if (!caps)
caps = gst_caps_new_empty ();
if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_PCM,
FORMAT_WaveFormatEx)) {
GstAudioFormat format = GST_AUDIO_FORMAT_UNKNOWN;
WAVEFORMATEX *wavformat =
(WAVEFORMATEX *) pin_mediatype->mediatype->pbFormat;
switch (wavformat->wFormatTag) {
case WAVE_FORMAT_PCM:
format = gst_audio_format_build_integer (TRUE, G_BYTE_ORDER, wavformat->wBitsPerSample, wavformat->wBitsPerSample);
break;
default:
break;
}
if (format != GST_AUDIO_FORMAT_UNKNOWN) {
GstAudioInfo info;
gst_audio_info_init(&info);
gst_audio_info_set_format(&info,
format,
wavformat->nSamplesPerSec,
wavformat->nChannels,
NULL);
mediacaps = gst_audio_info_to_caps(&info);
}
if (mediacaps) {
src->pins_mediatypes =
g_list_append (src->pins_mediatypes, pin_mediatype);
gst_caps_append (caps, mediacaps);
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
}
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
}
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
}
}
if (caps && gst_caps_is_empty (caps)) {
gst_caps_unref (caps);
caps = NULL;
}
return caps;
}
