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dshowvideosrc: move default video caps into GstCapturePinMediaType

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This commit is contained in:
Julien Isorce 2009-09-04 12:08:02 +02:00
parent bf4c1f3541
commit d321799bfb
4 changed files with 32 additions and 67 deletions
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14
sys/dshowsrcwrapper/gstdshow.cpp
View file

@ -323,17 +323,17 @@ gst_dshow_show_propertypage (IBaseFilter *base_filter)
}
GstCaps *gst_dshow_new_video_caps (GstVideoFormat video_format, const gchar* name,
const VIDEO_STREAM_CONFIG_CAPS * vscc, const VIDEOINFOHEADER *video_info,
GstCaptureVideoDefault *video_default)
const VIDEO_STREAM_CONFIG_CAPS * vscc, GstCapturePinMediaType *pin_mediatype)
{
GstCaps *video_caps = NULL;
GstStructure *video_structure = NULL;
VIDEOINFOHEADER *video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
video_default->defaultWidth = video_info->bmiHeader.biWidth;
video_default->defaultHeight = video_info->bmiHeader.biHeight;
video_default->defaultFPS = (gint) (10000000 / video_info->AvgTimePerFrame);
video_default->granularityWidth = vscc->OutputGranularityX;
video_default->granularityHeight = vscc->OutputGranularityY;
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 = vscc->OutputGranularityX;
pin_mediatype->granularityHeight = vscc->OutputGranularityY;
/* raw video format */
switch (video_format) {

11
sys/dshowsrcwrapper/gstdshow.h
View file

@ -35,19 +35,15 @@ typedef struct _GstCapturePinMediaType
{
AM_MEDIA_TYPE *mediatype;
IPin *capture_pin;
} GstCapturePinMediaType;
/* video default properties associated to a video format (YUY2, I420, RGB24 ...) */
typedef struct _GstCaptureVideoDefault
{
//default caps
gint defaultWidth;
gint defaultHeight;
gint defaultFPS;
gint granularityWidth; //will be removed when GST_TYPE_INT_RANGE_STEP exits
gint granularityHeight; //will be removed when GST_TYPE_INT_RANGE_STEP exits
} GstCaptureVideoDefault;
} GstCapturePinMediaType;
/* free memory of the input pin mediatype */
void gst_dshow_free_pin_mediatype (gpointer pt);
@ -78,7 +74,6 @@ gboolean gst_dshow_show_propertypage (IBaseFilter *base_filter);
/* transform a dshow video caps to a gstreamer video caps */
GstCaps *gst_dshow_new_video_caps (GstVideoFormat video_format, const gchar* name,
const VIDEO_STREAM_CONFIG_CAPS * vscc, const VIDEOINFOHEADER *video_info,
GstCaptureVideoDefault *video_default);
const VIDEO_STREAM_CONFIG_CAPS * vscc, GstCapturePinMediaType *pin_mediatype);
#endif /* _GSTDSHOW_ */

71
sys/dshowsrcwrapper/gstdshowvideosrc.cpp
View file

@ -203,7 +203,6 @@ gst_dshowvideosrc_init (GstDshowVideoSrc * src, GstDshowVideoSrcClass * klass)
src->media_filter = NULL;
src->filter_graph = NULL;
src->caps = NULL;
src->video_defaults = NULL;
src->pins_mediatypes = NULL;
src->is_rgb = FALSE;
@ -237,12 +236,12 @@ gst_dshowvideosrc_src_fixate (GstBaseSrc * bsrc, GstCaps * caps)
}
if (res != -1) {
GList *type_video_default = g_list_nth (src->video_defaults, res);
if (type_video_default) {
GstCaptureVideoDefault *video_default = (GstCaptureVideoDefault *) type_video_default->data;
gst_structure_fixate_field_nearest_int (structure, "width", video_default->defaultWidth);
gst_structure_fixate_field_nearest_int (structure, "height", video_default->defaultHeight);
gst_structure_fixate_field_nearest_fraction (structure, "framerate", video_default->defaultFPS, 1);
GList *type_pin_mediatype = g_list_nth (src->pins_mediatypes, res);
if (type_pin_mediatype) {
GstCapturePinMediaType *pin_mediatype = (GstCapturePinMediaType *) type_pin_mediatype->data;
gst_structure_fixate_field_nearest_int (structure, "width", pin_mediatype->defaultWidth);
gst_structure_fixate_field_nearest_int (structure, "height", pin_mediatype->defaultHeight);
gst_structure_fixate_field_nearest_fraction (structure, "framerate", pin_mediatype->defaultFPS, 1);
}
}
}
@ -267,11 +266,6 @@ gst_dshowvideosrc_dispose (GObject * gobject)
src->caps = NULL;
}
if (src->video_defaults) {
g_list_free (src->video_defaults);
src->video_defaults = NULL;
}
if (src->pins_mediatypes) {
gst_dshow_free_pins_mediatypes (src->pins_mediatypes);
src->pins_mediatypes = NULL;
@ -551,6 +545,7 @@ gst_dshowvideosrc_get_caps (GstBaseSrc * basesrc)
GstCaps *caps =
gst_dshowvideosrc_getcaps_from_streamcaps (src, capture_pin,
streamcaps);
g_print ("caps: %s\n", gst_caps_to_string(caps));
if (caps) {
gst_caps_append (src->caps, caps);
@ -694,15 +689,10 @@ gst_dshowvideosrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
if (res != -1 && src->pins_mediatypes) {
/* get the corresponding media type and build the dshow graph */
GList *type = g_list_nth (src->pins_mediatypes, res);
GList *type_pin_mediatype = g_list_nth (src->pins_mediatypes, res);
//will be removed when GST_TYPE_INT_RANGE_STEP exits
GList *type_video_default = g_list_nth (src->video_defaults, res);
if (type && type_video_default) {
//will be removed when GST_TYPE_INT_RANGE_STEP exits
GstCaptureVideoDefault *video_default = (GstCaptureVideoDefault *) type_video_default->data;
GstCapturePinMediaType *pin_mediatype = NULL;
if (type_pin_mediatype) {
GstCapturePinMediaType *pin_mediatype = (GstCapturePinMediaType *) type_pin_mediatype->data;
gchar *caps_string = NULL;
gchar *src_caps_string = NULL;
@ -719,17 +709,10 @@ gst_dshowvideosrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
/* check if the desired video size is valid about granularity */
/* This check will be removed when GST_TYPE_INT_RANGE_STEP exits */
/* See remarks in gst_dshowvideosrc_getcaps_from_streamcaps function */
if (video_default->granularityWidth != 0 && width % video_default->granularityWidth != 0)
g_warning ("your desired video size is not valid : %d mod %d !=0\n", width, video_default->granularityWidth) ;
if (video_default->granularityHeight !=0 && height % video_default->granularityHeight != 0)
g_warning ("your desired video size is not valid : %d mod %d !=0\n", height, video_default->granularityHeight) ;
/* display all capabilities when using --gst-debug-level=3 */
src_caps_string = gst_caps_to_string (src->caps);
GST_LOG (src_caps_string);
g_free (src_caps_string);
pin_mediatype = (GstCapturePinMediaType *) type->data;
if (pin_mediatype->granularityWidth != 0 && width % pin_mediatype->granularityWidth != 0)
g_warning ("your desired video size is not valid : %d mod %d !=0\n", width, pin_mediatype->granularityWidth) ;
if (pin_mediatype->granularityHeight !=0 && height % pin_mediatype->granularityHeight != 0)
g_warning ("your desired video size is not valid : %d mod %d !=0\n", height, pin_mediatype->granularityHeight) ;
/* update mediatype */
video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
@ -899,7 +882,6 @@ gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin,
for (; i < icount; i++) {
GstCapturePinMediaType *pin_mediatype = g_new0 (GstCapturePinMediaType, 1);
GstCaptureVideoDefault *video_default = g_new0 (GstCaptureVideoDefault, 1);
pin->AddRef();
pin_mediatype->capture_pin = pin;
@ -907,42 +889,33 @@ gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin,
hres = streamcaps->GetStreamCaps(i, &pin_mediatype->mediatype, (BYTE *) & vscc);
if (FAILED (hres) || !pin_mediatype->mediatype) {
gst_dshow_free_pin_mediatype (pin_mediatype);
g_free (video_default);
} else {
GstCaps *mediacaps = NULL;
if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_I420, FORMAT_VideoInfo)) {
mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_I420, NULL, &vscc,
(VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat, video_default);
mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_I420, NULL, &vscc, pin_mediatype);
} else if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_RGB24, FORMAT_VideoInfo)) {
mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_BGR, NULL, &vscc,
(VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat, video_default);
mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_BGR, NULL, &vscc, 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", &vscc, (VIDEOINFOHEADER *)
pin_mediatype->mediatype->pbFormat, video_default);
"video/x-dv, systemstream=FALSE", &vscc, pin_mediatype);
} else if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_dvsd, FORMAT_DvInfo)) {
video_default->granularityWidth = 0;
video_default->granularityHeight = 0;
} 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", &vscc, (VIDEOINFOHEADER *)
pin_mediatype->mediatype->pbFormat, video_default);
"video/x-dv, systemstream=TRUE", &vscc, pin_mediatype);
pin_mediatype->granularityWidth = 0;
pin_mediatype->granularityHeight = 0;
}
if (mediacaps) {
src->pins_mediatypes =
g_list_append (src->pins_mediatypes, pin_mediatype);
src->video_defaults =
g_list_append (src->video_defaults, video_default);
gst_caps_append (caps, mediacaps);
} else {
gst_dshow_free_pin_mediatype (pin_mediatype);
g_free (video_default);
}
}

3
sys/dshowsrcwrapper/gstdshowvideosrc.h
View file

@ -56,9 +56,6 @@ struct _GstDshowVideoSrc
/* list of caps created from the list of supported media types of the dshow capture filter */
GstCaps *caps;
/* list of dshow default video properties from filter's capture pins */
GList *video_defaults;
/* list of dshow media types from the filter's capture pins */
GList *pins_mediatypes;