dshowvideosrc: factorize dshow video format parsing

This commit is contained in:
Julien Isorce 2009-09-03 17:12:26 +02:00
parent 77fa16cf44
commit 0f10b769bf
4 changed files with 90 additions and 70 deletions

56
sys/dshowsrcwrapper/gstdshow.cpp Normal file → Executable file
View file

@ -321,3 +321,59 @@ gst_dshow_show_propertypage (IBaseFilter *base_filter)
}
return ret;
}
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)
{
GstCaps *video_caps = NULL;
GstStructure *video_structure = NULL;
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;
/* raw video format */
switch (video_format) {
case GST_VIDEO_FORMAT_BGR:
video_caps = gst_caps_from_string (GST_VIDEO_CAPS_BGR);
break;
case GST_VIDEO_FORMAT_I420:
video_caps = gst_caps_from_string (GST_VIDEO_CAPS_YUV ("I420"));
default:
break;
}
/* other video format */
if (!video_caps){
if (g_strcasecmp (name, "video/x-dv, systemstream=FALSE") == 0) {
video_caps = gst_caps_new_simple ("video/x-dv",
"systemstream", G_TYPE_BOOLEAN, FALSE,
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'v', 's', 'd'),
NULL);
} else if (g_strcasecmp (name, "video/x-dv, systemstream=TRUE") == 0) {
video_caps = gst_caps_new_simple ("video/x-dv",
"systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
return video_caps;
}
}
if (!video_caps)
return NULL;
video_structure = gst_caps_get_structure (video_caps, 0);
gst_structure_set (video_structure,
"width", GST_TYPE_INT_RANGE, vscc->MinOutputSize.cx, vscc->MaxOutputSize.cx,
"height", GST_TYPE_INT_RANGE, vscc->MinOutputSize.cy, vscc->MaxOutputSize.cy,
"framerate", GST_TYPE_FRACTION_RANGE,
(gint) (10000000 / vscc->MaxFrameInterval), 1,
(gint) (10000000 / vscc->MinFrameInterval), 1,
NULL);
g_print ("caps are %s\n", gst_caps_to_string (video_caps));
return video_caps;
}

20
sys/dshowsrcwrapper/gstdshow.h Normal file → Executable file
View file

@ -31,6 +31,8 @@
#include <Rpc.h>
#include <glib.h>
#include <gst/gst.h>
#include <gst/video/video.h>
typedef struct _GstCapturePinMediaType
{
@ -38,6 +40,18 @@ typedef struct _GstCapturePinMediaType
IPin *capture_pin;
} GstCapturePinMediaType;
/* video default properties associated to a video format (YUY2, I420, RGB24 ...) */
typedef struct _GstCaptureVideoDefault
{
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;
#ifdef __cplusplus
extern "C" {
#endif
@ -71,6 +85,12 @@ gchar *gst_dshow_getdevice_from_devicename (const GUID *device_category, gchar *
/* show the capture filter property page (generally used to setup the device). the page is modal*/
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);
#ifdef __cplusplus
}

73
sys/dshowsrcwrapper/gstdshowvideosrc.cpp Normal file → Executable file
View file

@ -924,21 +924,9 @@ gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin,
/* I420 */
if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_I420, FORMAT_VideoInfo)) {
video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
video_default->defaultWidth = video_info->bmiHeader.biWidth;
video_default->defaultHeight = video_info->bmiHeader.biHeight;
video_default->defaultFPS = (int) (10000000 / video_info->AvgTimePerFrame);
video_default->granularityWidth = vscc.OutputGranularityX;
video_default->granularityHeight = vscc.OutputGranularityY;
mediacaps = gst_caps_new_simple ("video/x-raw-yuv",
"width", GST_TYPE_INT_RANGE, vscc.MinOutputSize.cx, vscc.MaxOutputSize.cx,
"height", GST_TYPE_INT_RANGE, vscc.MinOutputSize.cy, vscc.MaxOutputSize.cy,
"framerate", GST_TYPE_FRACTION_RANGE,
(int) (10000000 / vscc.MaxFrameInterval), 1,
(int) (10000000 / vscc.MinFrameInterval), 1,
"format", GST_TYPE_FOURCC, MAKEFOURCC ('I', '4', '2', '0'), NULL);
mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_I420, NULL, &vscc,
(VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat, video_default);
if (mediacaps) {
src->pins_mediatypes =
@ -955,27 +943,9 @@ gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin,
/* BGR */
if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_RGB24, FORMAT_VideoInfo)) {
video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
video_default->defaultWidth = video_info->bmiHeader.biWidth;
video_default->defaultHeight = video_info->bmiHeader.biHeight;
video_default->defaultFPS = (int) (10000000 / video_info->AvgTimePerFrame);
video_default->granularityWidth = vscc.OutputGranularityX;
video_default->granularityHeight = vscc.OutputGranularityY;
/* ffmpegcolorspace handles RGB24 in BIG_ENDIAN */
mediacaps = gst_caps_new_simple ("video/x-raw-rgb",
"bpp", G_TYPE_INT, 24,
"depth", G_TYPE_INT, 24,
"width", GST_TYPE_INT_RANGE, vscc.MinOutputSize.cx, vscc.MaxOutputSize.cx,
"height", GST_TYPE_INT_RANGE, vscc.MinOutputSize.cy, vscc.MaxOutputSize.cy,
"framerate", GST_TYPE_FRACTION_RANGE,
(int) (10000000 / vscc.MaxFrameInterval), 1,
(int) (10000000 / vscc.MinFrameInterval), 1,
"endianness", G_TYPE_INT, G_BIG_ENDIAN,
"red_mask", G_TYPE_INT, 255,
"green_mask", G_TYPE_INT, 65280,
"blue_mask", G_TYPE_INT, 16711680, NULL);
mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_BGR, NULL, &vscc,
(VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat, video_default);
if (mediacaps) {
src->pins_mediatypes =
@ -992,22 +962,10 @@ gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin,
/* DVSD */
if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_dvsd, FORMAT_VideoInfo)) {
video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
video_default->defaultWidth = video_info->bmiHeader.biWidth;
video_default->defaultHeight = video_info->bmiHeader.biHeight;
video_default->defaultFPS = (int) (10000000 / video_info->AvgTimePerFrame);
video_default->granularityWidth = vscc.OutputGranularityX;
video_default->granularityHeight = vscc.OutputGranularityY;
mediacaps = gst_caps_new_simple ("video/x-dv",
"systemstream", G_TYPE_BOOLEAN, FALSE,
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'v', 's', 'd'),
"framerate", GST_TYPE_FRACTION_RANGE,
(int) (10000000 / vscc.MaxFrameInterval), 1,
(int) (10000000 / vscc.MinFrameInterval), 1,
"width", GST_TYPE_INT_RANGE, vscc.MinOutputSize.cx, vscc.MaxOutputSize.cx,
"height", GST_TYPE_INT_RANGE, vscc.MinOutputSize.cy, vscc.MaxOutputSize.cy, NULL);
mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_UNKNOWN,
"video/x-dv, systemstream=FALSE", &vscc, (VIDEOINFOHEADER *)
pin_mediatype->mediatype->pbFormat, video_default);
if (mediacaps) {
src->pins_mediatypes =
@ -1026,15 +984,12 @@ gst_dshowvideosrc_getcaps_from_streamcaps (GstDshowVideoSrc * src, IPin * pin,
if (gst_dshow_check_mediatype (pin_mediatype->mediatype, MEDIASUBTYPE_dvsd, FORMAT_DvInfo)) {
video_info = (VIDEOINFOHEADER *) pin_mediatype->mediatype->pbFormat;
//No video size in caps when stream ? I do know if the following fields exist
video_default->defaultWidth = video_info->bmiHeader.biWidth;
video_default->defaultHeight = video_info->bmiHeader.biHeight;
video_default->defaultFPS = (int) (10000000 / video_info->AvgTimePerFrame);
video_default->granularityWidth = vscc.OutputGranularityX;
video_default->granularityHeight = vscc.OutputGranularityY;
mediacaps = gst_caps_new_simple ("video/x-dv",
"systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
video_default->granularityWidth = 0;
video_default->granularityHeight = 0;
mediacaps = gst_dshow_new_video_caps (GST_VIDEO_FORMAT_UNKNOWN,
"video/x-dv, systemstream=TRUE", &vscc, (VIDEOINFOHEADER *)
pin_mediatype->mediatype->pbFormat, video_default);
if (mediacaps) {
src->pins_mediatypes =

11
sys/dshowsrcwrapper/gstdshowvideosrc.h Normal file → Executable file
View file

@ -42,17 +42,6 @@ G_BEGIN_DECLS
typedef struct _GstDshowVideoSrc GstDshowVideoSrc;
typedef struct _GstDshowVideoSrcClass GstDshowVideoSrcClass;
/* video default properties associated to a video format (YUY2, I420, RGB24 ...) */
typedef struct _GstCaptureVideoDefault
{
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;
struct _GstDshowVideoSrc
{