mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-24 01:00:37 +00:00
dshowvideosrc: factorize dshow video format parsing
This commit is contained in:
Julien Isorce
parent
77fa16cf44
commit
0f10b769bf
4 changed files with 90 additions and 70 deletions
56
sys/dshowsrcwrapper/gstdshow.cpp
Normal file → Executable file
56
sys/dshowsrcwrapper/gstdshow.cpp
Normal file → Executable file
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@ -321,3 +321,59 @@ gst_dshow_show_propertypage (IBaseFilter *base_filter)
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}
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return ret;
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}
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GstCaps *gst_dshow_new_video_caps (GstVideoFormat video_format, const gchar* name,
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const VIDEO_STREAM_CONFIG_CAPS * vscc, const VIDEOINFOHEADER *video_info,
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GstCaptureVideoDefault *video_default)
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{
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GstCaps *video_caps = NULL;
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GstStructure *video_structure = NULL;
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video_default->defaultWidth = video_info->bmiHeader.biWidth;
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video_default->defaultHeight = video_info->bmiHeader.biHeight;
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video_default->defaultFPS = (gint) (10000000 / video_info->AvgTimePerFrame);
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video_default->granularityWidth = vscc->OutputGranularityX;
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video_default->granularityHeight = vscc->OutputGranularityY;
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/* raw video format */
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switch (video_format) {
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case GST_VIDEO_FORMAT_BGR:
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video_caps = gst_caps_from_string (GST_VIDEO_CAPS_BGR);
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break;
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case GST_VIDEO_FORMAT_I420:
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video_caps = gst_caps_from_string (GST_VIDEO_CAPS_YUV ("I420"));
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default:
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break;
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}
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/* other video format */
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if (!video_caps){
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if (g_strcasecmp (name, "video/x-dv, systemstream=FALSE") == 0) {
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video_caps = gst_caps_new_simple ("video/x-dv",
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"systemstream", G_TYPE_BOOLEAN, FALSE,
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"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'v', 's', 'd'),
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NULL);
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} else if (g_strcasecmp (name, "video/x-dv, systemstream=TRUE") == 0) {
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video_caps = gst_caps_new_simple ("video/x-dv",
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"systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
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return video_caps;
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}
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}
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if (!video_caps)
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return NULL;
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video_structure = gst_caps_get_structure (video_caps, 0);
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gst_structure_set (video_structure,
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"width", GST_TYPE_INT_RANGE, vscc->MinOutputSize.cx, vscc->MaxOutputSize.cx,
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"height", GST_TYPE_INT_RANGE, vscc->MinOutputSize.cy, vscc->MaxOutputSize.cy,
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"framerate", GST_TYPE_FRACTION_RANGE,
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(gint) (10000000 / vscc->MaxFrameInterval), 1,
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(gint) (10000000 / vscc->MinFrameInterval), 1,
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NULL);
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g_print ("caps are %s\n", gst_caps_to_string (video_caps));
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return video_caps;
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}
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20
sys/dshowsrcwrapper/gstdshow.h
Normal file → Executable file
20
sys/dshowsrcwrapper/gstdshow.h
Normal file → Executable file
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@ -31,6 +31,8 @@
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#include <Rpc.h>
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#include <glib.h>
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#include <gst/gst.h>
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#include <gst/video/video.h>
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typedef struct _GstCapturePinMediaType
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{
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@ -38,6 +40,18 @@ typedef struct _GstCapturePinMediaType
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IPin *capture_pin;
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} GstCapturePinMediaType;
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/* video default properties associated to a video format (YUY2, I420, RGB24 ...) */
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typedef struct _GstCaptureVideoDefault
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{
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gint defaultWidth;
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gint defaultHeight;
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gint defaultFPS;
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gint granularityWidth; //will be removed when GST_TYPE_INT_RANGE_STEP exits
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gint granularityHeight; //will be removed when GST_TYPE_INT_RANGE_STEP exits
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} GstCaptureVideoDefault;
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#ifdef __cplusplus
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extern "C" {
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#endif
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@ -71,6 +85,12 @@ gchar *gst_dshow_getdevice_from_devicename (const GUID *device_category, gchar *
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/* show the capture filter property page (generally used to setup the device). the page is modal*/
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gboolean gst_dshow_show_propertypage (IBaseFilter *base_filter);
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/* transform a dshow video caps to a gstreamer video caps */
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GstCaps *gst_dshow_new_video_caps (GstVideoFormat video_format, const gchar* name,
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const VIDEO_STREAM_CONFIG_CAPS * vscc, const VIDEOINFOHEADER *video_info,
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GstCaptureVideoDefault *video_default);
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#ifdef __cplusplus
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}
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73
sys/dshowsrcwrapper/gstdshowvideosrc.cpp
Normal file → Executable file
73
sys/dshowsrcwrapper/gstdshowvideosrc.cpp
Normal file → Executable file
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@ -924,21 +924,9 @@ gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin,
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/* I420 */
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if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_I420, FORMAT_VideoInfo)) {
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video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
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video_default->defaultWidth = video_info->bmiHeader.biWidth;
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video_default->defaultHeight = video_info->bmiHeader.biHeight;
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video_default->defaultFPS = (int) (10000000 / video_info->AvgTimePerFrame);
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video_default->granularityWidth = vscc.OutputGranularityX;
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video_default->granularityHeight = vscc.OutputGranularityY;
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mediacaps = gst_caps_new_simple ("video/x-raw-yuv",
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"width", GST_TYPE_INT_RANGE, vscc.MinOutputSize.cx, vscc.MaxOutputSize.cx,
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"height", GST_TYPE_INT_RANGE, vscc.MinOutputSize.cy, vscc.MaxOutputSize.cy,
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"framerate", GST_TYPE_FRACTION_RANGE,
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(int) (10000000 / vscc.MaxFrameInterval), 1,
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(int) (10000000 / vscc.MinFrameInterval), 1,
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"format", GST_TYPE_FOURCC, MAKEFOURCC ('I', '4', '2', '0'), NULL);
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mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_I420, NULL, &vscc,
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(VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat, video_default);
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if (mediacaps) {
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src->pins_mediatypes =
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@ -955,27 +943,9 @@ gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin,
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/* BGR */
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if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_RGB24, FORMAT_VideoInfo)) {
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video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
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video_default->defaultWidth = video_info->bmiHeader.biWidth;
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video_default->defaultHeight = video_info->bmiHeader.biHeight;
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video_default->defaultFPS = (int) (10000000 / video_info->AvgTimePerFrame);
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video_default->granularityWidth = vscc.OutputGranularityX;
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video_default->granularityHeight = vscc.OutputGranularityY;
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/* ffmpegcolorspace handles RGB24 in BIG_ENDIAN */
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mediacaps = gst_caps_new_simple ("video/x-raw-rgb",
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"bpp", G_TYPE_INT, 24,
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"depth", G_TYPE_INT, 24,
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"width", GST_TYPE_INT_RANGE, vscc.MinOutputSize.cx, vscc.MaxOutputSize.cx,
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"height", GST_TYPE_INT_RANGE, vscc.MinOutputSize.cy, vscc.MaxOutputSize.cy,
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"framerate", GST_TYPE_FRACTION_RANGE,
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(int) (10000000 / vscc.MaxFrameInterval), 1,
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(int) (10000000 / vscc.MinFrameInterval), 1,
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"endianness", G_TYPE_INT, G_BIG_ENDIAN,
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"red_mask", G_TYPE_INT, 255,
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"green_mask", G_TYPE_INT, 65280,
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"blue_mask", G_TYPE_INT, 16711680, NULL);
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mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_BGR, NULL, &vscc,
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(VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat, video_default);
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if (mediacaps) {
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src->pins_mediatypes =
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@ -992,22 +962,10 @@ gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin,
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/* DVSD */
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if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_dvsd, FORMAT_VideoInfo)) {
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video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
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video_default->defaultWidth = video_info->bmiHeader.biWidth;
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video_default->defaultHeight = video_info->bmiHeader.biHeight;
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video_default->defaultFPS = (int) (10000000 / video_info->AvgTimePerFrame);
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video_default->granularityWidth = vscc.OutputGranularityX;
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video_default->granularityHeight = vscc.OutputGranularityY;
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mediacaps = gst_caps_new_simple ("video/x-dv",
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"systemstream", G_TYPE_BOOLEAN, FALSE,
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"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'v', 's', 'd'),
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"framerate", GST_TYPE_FRACTION_RANGE,
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(int) (10000000 / vscc.MaxFrameInterval), 1,
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(int) (10000000 / vscc.MinFrameInterval), 1,
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"width", GST_TYPE_INT_RANGE, vscc.MinOutputSize.cx, vscc.MaxOutputSize.cx,
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"height", GST_TYPE_INT_RANGE, vscc.MinOutputSize.cy, vscc.MaxOutputSize.cy, NULL);
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mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_UNKNOWN,
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"video/x-dv, systemstream=FALSE", &vscc, (VIDEOINFOHEADER *)
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pin_mediatype->mediatype->pbFormat, video_default);
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if (mediacaps) {
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src->pins_mediatypes =
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@ -1026,15 +984,12 @@ gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin,
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if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_dvsd, FORMAT_DvInfo)) {
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video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
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//No video size in caps when stream ? I do know if the following fields exist
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video_default->defaultWidth = video_info->bmiHeader.biWidth;
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video_default->defaultHeight = video_info->bmiHeader.biHeight;
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video_default->defaultFPS = (int) (10000000 / video_info->AvgTimePerFrame);
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video_default->granularityWidth = vscc.OutputGranularityX;
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video_default->granularityHeight = vscc.OutputGranularityY;
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mediacaps = gst_caps_new_simple ("video/x-dv",
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"systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
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video_default->granularityWidth = 0;
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video_default->granularityHeight = 0;
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mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_UNKNOWN,
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"video/x-dv, systemstream=TRUE", &vscc, (VIDEOINFOHEADER *)
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pin_mediatype->mediatype->pbFormat, video_default);
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if (mediacaps) {
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src->pins_mediatypes =
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11
sys/dshowsrcwrapper/gstdshowvideosrc.h
Normal file → Executable file
11
sys/dshowsrcwrapper/gstdshowvideosrc.h
Normal file → Executable file
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@ -42,17 +42,6 @@ G_BEGIN_DECLS
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typedef struct _GstDshowVideoSrc GstDshowVideoSrc;
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typedef struct _GstDshowVideoSrcClass GstDshowVideoSrcClass;
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/* video default properties associated to a video format (YUY2, I420, RGB24 ...) */
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typedef struct _GstCaptureVideoDefault
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{
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gint defaultWidth;
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gint defaultHeight;
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gint defaultFPS;
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gint granularityWidth; //will be removed when GST_TYPE_INT_RANGE_STEP exits
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gint granularityHeight; //will be removed when GST_TYPE_INT_RANGE_STEP exits
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} GstCaptureVideoDefault;
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struct _GstDshowVideoSrc
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{
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