/*
* Copyright (C) 2007 Haakon Sporsheim <hakon.sporsheim@tandberg.com>
- * 2008 Ole André Vadla Ravnås <ole.andre.ravnas@tandberg.com>
+ * 2008 Ole André Vadla Ravnås <ole.andre.ravnas@tandberg.com>
+ * 2009 Knut Inge Hvidsten <knut.inge.hvidsten@tandberg.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
#include "ksvideohelpers.h"
+#include <math.h>
#include <uuids.h>
#include "kshelpers.h"
0x38, 0x9B, 0x71}
};
-extern const GUID MEDIASUBTYPE_I420 =
- { 0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B,
- 0x71}
+typedef struct _KsVideoDeviceEntry KsVideoDeviceEntry;
+
+struct _KsVideoDeviceEntry
+{
+ KsDeviceEntry *device;
+ gint priority;
};
+static void
+ks_video_device_entry_decide_priority (KsVideoDeviceEntry * videodevice)
+{
+ HANDLE filter_handle;
+
+ videodevice->priority = 0;
+
+ filter_handle = CreateFile (videodevice->device->path,
+ GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING,
+ FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, NULL);
+ if (ks_is_valid_handle (filter_handle)) {
+ GUID *propsets = NULL;
+ gulong propsets_len;
+
+ if (ks_object_get_supported_property_sets (filter_handle, &propsets,
+ &propsets_len)) {
+ gulong i;
+
+ for (i = 0; i < propsets_len; i++) {
+ if (memcmp (&propsets[i], &PROPSETID_VIDCAP_CAMERACONTROL,
+ sizeof (GUID)) == 0) {
+ videodevice->priority++;
+ break;
+ }
+ }
+
+ g_free (propsets);
+ }
+ }
+
+ CloseHandle (filter_handle);
+}
+
+static gint
+ks_video_device_entry_compare (gconstpointer a, gconstpointer b)
+{
+ const KsVideoDeviceEntry *videodevice_a = a;
+ const KsVideoDeviceEntry *videodevice_b = b;
+
+ if (videodevice_a->priority > videodevice_b->priority)
+ return -1;
+ else if (videodevice_a->priority == videodevice_b->priority)
+ return 0;
+ else
+ return 1;
+}
+
+GList *
+ks_video_device_list_sort_cameras_first (GList * devices)
+{
+ GList *videodevices = NULL, *walk;
+ guint i;
+
+ for (walk = devices; walk != NULL; walk = walk->next) {
+ KsDeviceEntry *device = walk->data;
+ KsVideoDeviceEntry *videodevice;
+
+ videodevice = g_new (KsVideoDeviceEntry, 1);
+ videodevice->device = device;
+ ks_video_device_entry_decide_priority (videodevice);
+
+ videodevices = g_list_append (videodevices, videodevice);
+ }
+
+ videodevices = g_list_sort (videodevices, ks_video_device_entry_compare);
+
+ g_list_free (devices);
+ devices = NULL;
+
+ for (walk = videodevices, i = 0; walk != NULL; walk = walk->next, i++) {
+ KsVideoDeviceEntry *videodevice = walk->data;
+
+ videodevice->device->index = i;
+ devices = g_list_append (devices, videodevice->device);
+
+ g_free (videodevice);
+ }
+
+ g_list_free (videodevices);
+
+ return devices;
+}
+
static GstStructure *
-ks_video_format_to_structure (GUID subtype_guid, GUID format_guid)
+ks_video_format_to_structure (GUID subtype_guid, GUID format_guid,
+ gboolean * p_is_rgb)
{
GstStructure *structure = NULL;
+ const gchar *media_type = NULL, *format = NULL;
+ /* RGB formats can be bottom-up (upside down) DIB */
+ gboolean is_rgb = FALSE;
if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_MJPG) || IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_TVMJ) || /* FIXME: NOT tested */
IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_WAKE) || /* FIXME: NOT tested */
IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_CFCC) || /* FIXME: NOT tested */
IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_IJPG)) { /* FIXME: NOT tested */
- structure = gst_structure_new ("image/jpeg", NULL);
- } else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_RGB555) || /* FIXME: NOT tested */
- IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_RGB565) || /* FIXME: NOT tested */
- IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_RGB24) || IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_RGB32) || /* FIXME: NOT tested */
- IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_ARGB1555) || /* FIXME: NOT tested */
- IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_ARGB32) || /* FIXME: NOT tested */
- IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_ARGB4444)) { /* FIXME: NOT tested */
- guint depth = 0, bpp = 0;
- gint endianness = 0;
- guint32 r_mask = 0, b_mask = 0, g_mask = 0;
-
- if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_RGB555)) {
- bpp = 16;
- depth = 15;
- endianness = G_BIG_ENDIAN;
- r_mask = 0x7c00;
- g_mask = 0x03e0;
- b_mask = 0x001f;
- } else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_RGB565)) {
- bpp = depth = 16;
- endianness = G_BIG_ENDIAN;
- r_mask = 0xf800;
- g_mask = 0x07e0;
- b_mask = 0x001f;
- } else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_RGB24)) {
- bpp = depth = 24;
- endianness = G_BIG_ENDIAN;
- r_mask = 0x0000ff;
- g_mask = 0x00ff00;
- b_mask = 0xff0000;
- } else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_RGB32)) {
- bpp = 32;
- depth = 24;
- endianness = G_BIG_ENDIAN;
- r_mask = 0x000000ff;
- g_mask = 0x0000ff00;
- b_mask = 0x00ff0000;
- /* FIXME: check
- *r_mask = 0xff000000;
- *g_mask = 0x00ff0000;
- *b_mask = 0x0000ff00;
- */
- } else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_ARGB1555)) {
- bpp = 16;
- depth = 15;
- endianness = G_BIG_ENDIAN;
- r_mask = 0x7c00;
- g_mask = 0x03e0;
- b_mask = 0x001f;
- } else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_ARGB32)) {
- bpp = depth = 32;
- endianness = G_BIG_ENDIAN;
- r_mask = 0x000000ff;
- g_mask = 0x0000ff00;
- b_mask = 0x00ff0000;
- /* FIXME: check
- *r_mask = 0xff000000;
- *g_mask = 0x00ff0000;
- *b_mask = 0x0000ff00;
- */
- } else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_ARGB4444)) {
- bpp = 16;
- depth = 12;
- endianness = G_BIG_ENDIAN;
- r_mask = 0x0f00;
- g_mask = 0x00f0;
- b_mask = 0x000f;
- //r_mask = 0x000f;
- //g_mask = 0x00f0;
- //b_mask = 0x0f00;
+ media_type = "image/jpeg";
+ } else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_RGB555)) {
+ media_type = "video/x-raw";
+ format = "RGB15";
+ is_rgb = TRUE;
+ } else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_RGB565)) {
+ media_type = "video/x-raw";
+ format = "RGB16";
+ is_rgb = TRUE;
+ } else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_RGB24)) {
+ media_type = "video/x-raw";
+ format = "BGR";
+ is_rgb = TRUE;
+ } else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_RGB32)) {
+ media_type = "video/x-raw";
+ format = "BGRx";
+ is_rgb = TRUE;
+ } else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_ARGB32)) {
+ media_type = "video/x-raw";
+ format = "BGRA";
+ is_rgb = TRUE;
+ } else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_ARGB1555)) {
+ GST_WARNING ("Unsupported video format ARGB15555");
+ } else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_ARGB4444)) {
+ GST_WARNING ("Unsupported video format ARGB4444");
+ } else if (memcmp (&subtype_guid.Data2, &MEDIASUBTYPE_FOURCC.Data2,
+ sizeof (subtype_guid) - sizeof (subtype_guid.Data1)) == 0) {
+ guint32 fourcc = subtype_guid.Data1;
+ gchar *format =
+ g_strdup_printf ("%" GST_FOURCC_FORMAT, GST_FOURCC_ARGS (fourcc));
+ if (GST_STR_FOURCC (format) == GST_MAKE_FOURCC ('Y', '1', '6', ' ')) {
+ structure = gst_structure_new ("video/x-raw", "format",
+ G_TYPE_STRING, "GRAY16_LE", NULL);
} else {
- g_assert_not_reached ();
+ structure = gst_structure_new ("video/x-raw", "format",
+ G_TYPE_STRING, format, NULL);
}
-
- structure = gst_structure_new ("video/x-raw-rgb",
- "bpp", G_TYPE_INT, bpp,
- "depth", G_TYPE_INT, depth,
- "red_mask", G_TYPE_INT, r_mask,
- "green_mask", G_TYPE_INT, g_mask,
- "blue_mask", G_TYPE_INT, b_mask,
- "endianness", G_TYPE_INT, endianness, NULL);
+ g_free (format);
} else if (IsEqualGUID (&subtype_guid, &MEDIASUBTYPE_dvsd)) {
if (IsEqualGUID (&format_guid, &FORMAT_DvInfo)) {
structure = gst_structure_new ("video/x-dv",
} else if (IsEqualGUID (&format_guid, &FORMAT_VideoInfo)) {
structure = gst_structure_new ("video/x-dv",
"systemstream", G_TYPE_BOOLEAN, FALSE,
- "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'v', 's', 'd'),
- NULL);
+ "format", G_TYPE_STRING, "dvsd", NULL);
}
- } else if (memcmp (&subtype_guid.Data2, &MEDIASUBTYPE_FOURCC.Data2,
- sizeof (subtype_guid) - sizeof (subtype_guid.Data1)) == 0) {
- guint8 *p = (guint8 *) & subtype_guid.Data1;
+ }
- structure = gst_structure_new ("video/x-raw-yuv",
- "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC (p[0], p[1], p[2], p[3]),
- NULL);
+ if (media_type) {
+ structure = gst_structure_new_empty (media_type);
+ if (format) {
+ gst_structure_set (structure, "format", G_TYPE_STRING, format, NULL);
+ }
+ if (p_is_rgb) {
+ *p_is_rgb = is_rgb;
+ }
}
if (!structure) {
- GST_DEBUG ("Unknown DirectShow Video GUID %08x-%04x-%04x-%04x-%08x%04x",
- subtype_guid.Data1, subtype_guid.Data2, subtype_guid.Data3,
- *(WORD *) subtype_guid.Data4, *(DWORD *) & subtype_guid.Data4[2],
- *(WORD *) & subtype_guid.Data4[6]);
+ GST_DEBUG ("Unknown DirectShow Video GUID "
+ "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ (guint) subtype_guid.Data1, subtype_guid.Data2, subtype_guid.Data3,
+ subtype_guid.Data4[0], subtype_guid.Data4[1], subtype_guid.Data4[2],
+ subtype_guid.Data4[3], subtype_guid.Data4[4], subtype_guid.Data4[5],
+ subtype_guid.Data4[6], subtype_guid.Data4[7]);
}
return structure;
}
+static void
+guess_aspect (gint width, gint height, gint * par_width, gint * par_height)
+{
+ /*
+ * As we don't have access to the actual pixel aspect, we will try to do a
+ * best-effort guess. The guess is based on most sensors being either 4/3
+ * or 16/9, and most pixel aspects being close to 1/1.
+ */
+ if ((width == 768) && (height == 448)) { /* special case for w448p */
+ *par_width = 28;
+ *par_height = 27;
+ } else {
+ if (((float) width / (float) height) < 1.2778) {
+ *par_width = 12;
+ *par_height = 11;
+ } else {
+ *par_width = 1;
+ *par_height = 1;
+ }
+ }
+}
+
+/* NOTE: would probably be better to use a continued fractions approach here */
+static void
+compress_fraction (gint64 in_num, gint64 in_den, gint64 * out_num,
+ gint64 * out_den)
+{
+ gdouble on, od, orig;
+ guint denominators[] = { 1, 2, 3, 5, 7 }, i;
+ const gdouble max_loss = 0.1;
+
+ on = in_num;
+ od = in_den;
+ orig = on / od;
+
+ for (i = 0; i < G_N_ELEMENTS (denominators); i++) {
+ gint64 cur_n, cur_d;
+ gdouble cur, loss;
+
+ cur_n = floor ((on / (od / (gdouble) denominators[i])) + 0.5);
+ cur_d = denominators[i];
+ cur = (gdouble) cur_n / (gdouble) cur_d;
+ loss = fabs (cur - orig);
+
+ if (loss <= max_loss) {
+ *out_num = cur_n;
+ *out_den = cur_d;
+
+ return;
+ }
+ }
+
+ *out_num = in_num;
+ *out_den = in_den;
+}
+
static gboolean
ks_video_append_video_stream_cfg_fields (GstStructure * structure,
const KS_VIDEO_STREAM_CONFIG_CAPS * vscc)
{
+ GValue val = { 0, };
+ gint64 min_n, min_d;
+ gint64 max_n, max_d;
+
g_return_val_if_fail (structure, FALSE);
g_return_val_if_fail (vscc, FALSE);
}
/* framerate */
- if (vscc->MinFrameInterval == vscc->MaxFrameInterval) {
- gst_structure_set (structure,
- "framerate", GST_TYPE_FRACTION,
- (gint) (10000000 / vscc->MaxFrameInterval), 1, NULL);
+ compress_fraction (NANOSECONDS, vscc->MinFrameInterval, &min_n, &min_d);
+ compress_fraction (NANOSECONDS, vscc->MaxFrameInterval, &max_n, &max_d);
+
+ if (min_n == max_n && min_d == max_d) {
+ g_value_init (&val, GST_TYPE_FRACTION);
+ gst_value_set_fraction (&val, max_n, max_d);
} else {
+ g_value_init (&val, GST_TYPE_FRACTION_RANGE);
+ gst_value_set_fraction_range_full (&val, max_n, max_d, min_n, min_d);
+ }
+
+ gst_structure_set_value (structure, "framerate", &val);
+ g_value_unset (&val);
+
+ {
+ gint par_width, par_height;
+
+ guess_aspect (vscc->MaxOutputSize.cx, vscc->MaxOutputSize.cy,
+ &par_width, &par_height);
+
gst_structure_set (structure,
- "framerate", GST_TYPE_FRACTION_RANGE,
- (gint) (10000000 / vscc->MaxFrameInterval), 1,
- (gint) (10000000 / vscc->MinFrameInterval), 1, NULL);
+ "pixel-aspect-ratio", GST_TYPE_FRACTION, par_width, par_height, NULL);
}
return TRUE;
guint pin_id;
if (!ks_filter_get_pin_property (filter_handle, 0, KSPROPSETID_Pin,
- KSPROPERTY_PIN_CTYPES, &pin_count, sizeof (pin_count)))
+ KSPROPERTY_PIN_CTYPES, &pin_count, sizeof (pin_count), NULL))
goto beach;
- GST_DEBUG ("pin_count = %d", pin_count);
+ GST_DEBUG ("pin_count = %lu", pin_count);
for (pin_id = 0; pin_id < pin_count; pin_id++) {
KSPIN_COMMUNICATION pin_comm;
GUID pin_cat;
if (!ks_filter_get_pin_property (filter_handle, pin_id, KSPROPSETID_Pin,
- KSPROPERTY_PIN_COMMUNICATION, &pin_comm, sizeof (pin_comm)))
+ KSPROPERTY_PIN_COMMUNICATION, &pin_comm, sizeof (pin_comm), NULL))
continue;
if (!ks_filter_get_pin_property (filter_handle, pin_id, KSPROPSETID_Pin,
- KSPROPERTY_PIN_DATAFLOW, &pin_flow, sizeof (pin_flow)))
+ KSPROPERTY_PIN_DATAFLOW, &pin_flow, sizeof (pin_flow), NULL))
continue;
if (!ks_filter_get_pin_property (filter_handle, pin_id, KSPROPSETID_Pin,
- KSPROPERTY_PIN_CATEGORY, &pin_cat, sizeof (pin_cat)))
+ KSPROPERTY_PIN_CATEGORY, &pin_cat, sizeof (pin_cat), NULL))
continue;
- GST_DEBUG ("pin[%d]: pin_comm=%d, pin_flow=%d", pin_id, pin_comm, pin_flow);
+ GST_DEBUG ("pin[%u]: pin_comm=%d, pin_flow=%d", pin_id, pin_comm, pin_flow);
if (pin_flow == KSPIN_DATAFLOW_OUT &&
memcmp (&pin_cat, &PINNAME_CAPTURE, sizeof (GUID)) == 0) {
KSMULTIPLE_ITEM *items;
if (ks_filter_get_pin_property_multi (filter_handle, pin_id,
- KSPROPSETID_Pin, KSPROPERTY_PIN_DATARANGES, &items)) {
+ KSPROPSETID_Pin, KSPROPERTY_PIN_DATARANGES, &items, NULL)) {
KSDATARANGE *range = (KSDATARANGE *) (items + 1);
guint i;
for (i = 0; i < items->Count; i++) {
- if (IsEqualGUID (&range->MajorFormat, &KSDATAFORMAT_TYPE_VIDEO)) {
+ if (IsEqualGUID (&range->MajorFormat, &MEDIATYPE_Video)
+ || IsEqualGUID (&range->MajorFormat, &MEDIATYPE_Interleaved)) {
KsVideoMediaType *entry;
- gpointer src_vscc, src_format;
+ gpointer src_vscc = NULL, src_format = NULL;
GstStructure *media_structure;
entry = g_new0 (KsVideoMediaType, 1);
entry->sample_size =
vr->VideoInfoHeader.hdr.bmiHeader.biSizeImage;
} else if (IsEqualGUID (&range->Specifier, &FORMAT_MPEG2Video)) {
- /* Untested and probably wrong... */
KS_DATARANGE_MPEG2_VIDEO *vr =
(KS_DATARANGE_MPEG2_VIDEO *) entry->range;
-
src_vscc = &vr->ConfigCaps;
src_format = &vr->VideoInfoHeader;
entry->format_size = sizeof (vr->VideoInfoHeader);
entry->sample_size =
vr->VideoInfoHeader.hdr.bmiHeader.biSizeImage;
- } else
- g_assert_not_reached ();
-
- g_assert (entry->sample_size != 0);
+ } else if (IsEqualGUID (&range->Specifier, &FORMAT_DvInfo)) {
+ KS_DATARANGE_DVVIDEO *vr = (KS_DATARANGE_DVVIDEO *) entry->range;
- memcpy ((gpointer) & entry->vscc, src_vscc, sizeof (entry->vscc));
+ src_vscc = NULL;
+ src_format = &vr->DVVideoInfo;
- entry->format = g_malloc (entry->format_size);
- memcpy (entry->format, src_format, entry->format_size);
+ entry->format_size = sizeof (vr->DVVideoInfo);
+ entry->sample_size = vr->DataRange.SampleSize;
+ } else {
+ gchar *guid_str;
- media_structure =
- ks_video_format_to_structure (range->SubFormat,
- range->MajorFormat);
+ guid_str = ks_guid_to_string (&range->Specifier);
+ GST_DEBUG ("pin[%u]: ignoring unknown specifier GUID %s",
+ pin_id, guid_str);
+ g_free (guid_str);
- if (media_structure == NULL) {
- g_warning ("ks_video_format_to_structure returned NULL");
- ks_video_media_type_free (entry);
- entry = NULL;
- } else if (ks_video_append_video_stream_cfg_fields (media_structure,
- &entry->vscc)) {
- entry->translated_caps = gst_caps_new_empty ();
- gst_caps_append_structure (entry->translated_caps,
- media_structure);
- } else {
- gst_structure_free (media_structure);
ks_video_media_type_free (entry);
entry = NULL;
}
- if (entry != NULL)
- ret = g_list_prepend (ret, entry);
+ if (entry != NULL) {
+ g_assert (entry->sample_size != 0);
+
+ if (src_vscc != NULL) {
+ memcpy ((gpointer) & entry->vscc, src_vscc,
+ sizeof (entry->vscc));
+ }
+
+ entry->format = g_malloc (entry->format_size);
+ memcpy (entry->format, src_format, entry->format_size);
+
+ media_structure =
+ ks_video_format_to_structure (range->SubFormat,
+ range->Specifier, &entry->is_rgb);
+
+ if (media_structure == NULL) {
+ g_warning ("ks_video_format_to_structure returned NULL");
+ ks_video_media_type_free (entry);
+ entry = NULL;
+ } else if (src_vscc == NULL) {
+ entry->translated_caps = gst_caps_new_empty ();
+ gst_caps_append_structure (entry->translated_caps,
+ media_structure);
+ } else if (ks_video_append_video_stream_cfg_fields
+ (media_structure, &entry->vscc)) {
+ entry->translated_caps = gst_caps_new_empty ();
+ gst_caps_append_structure (entry->translated_caps,
+ media_structure);
+ } else {
+ gst_structure_free (media_structure);
+ ks_video_media_type_free (entry);
+ entry = NULL;
+ }
+
+ if (entry != NULL)
+ ret = g_list_prepend (ret, entry);
+ }
}
/* REVISIT: Each KSDATARANGE should start on a 64-bit boundary */
conn->PinId = media_type->pin_id;
conn->PinToHandle = NULL;
conn->Priority.PriorityClass = KSPRIORITY_NORMAL;
- conn->Priority.PrioritySubClass = 1;
+ conn->Priority.PrioritySubClass = KSPRIORITY_NORMAL;
format = (KSDATAFORMAT *) (conn + 1);
memcpy (format, media_type->range, sizeof (KSDATAFORMAT));
ks_video_fixate_media_type (const KSDATARANGE * range,
guint8 * format, gint width, gint height, gint fps_n, gint fps_d)
{
- DWORD dwRate = (width * height * fps_n) / fps_d;
+ KS_DATARANGE_VIDEO *vr;
+ KS_VIDEOINFOHEADER *vih;
+ KS_BITMAPINFOHEADER *bih;
+ DWORD dwRate;
g_return_val_if_fail (format != NULL, FALSE);
if (IsEqualGUID (&range->Specifier, &FORMAT_VideoInfo)) {
- KS_VIDEOINFOHEADER *vih = (KS_VIDEOINFOHEADER *) format;
-
- vih->AvgTimePerFrame = gst_util_uint64_scale_int (10000000, fps_d, fps_n);
- vih->dwBitRate = dwRate * vih->bmiHeader.biBitCount;
-
- g_assert (vih->bmiHeader.biWidth == width);
- g_assert (vih->bmiHeader.biHeight == height);
+ bih = &((KS_VIDEOINFOHEADER *) format)->bmiHeader;
} else if (IsEqualGUID (&range->Specifier, &FORMAT_VideoInfo2)) {
- KS_VIDEOINFOHEADER2 *vih = (KS_VIDEOINFOHEADER2 *) format;
-
- vih->AvgTimePerFrame = gst_util_uint64_scale_int (10000000, fps_d, fps_n);
- vih->dwBitRate = dwRate * vih->bmiHeader.biBitCount;
-
- g_assert (vih->bmiHeader.biWidth == width);
- g_assert (vih->bmiHeader.biHeight == height);
+ bih = &((KS_VIDEOINFOHEADER2 *) format)->bmiHeader;
} else if (IsEqualGUID (&range->Specifier, &FORMAT_MPEGVideo)) {
- KS_MPEG1VIDEOINFO *vih = (KS_MPEG1VIDEOINFO *) format;
-
- vih->hdr.AvgTimePerFrame =
- gst_util_uint64_scale_int (10000000, fps_d, fps_n);
- vih->hdr.dwBitRate = dwRate * vih->hdr.bmiHeader.biBitCount;
-
- /* FIXME: set height and width? */
- g_assert (vih->hdr.bmiHeader.biWidth == width);
- g_assert (vih->hdr.bmiHeader.biHeight == height);
+ bih = &((KS_MPEG1VIDEOINFO *) format)->hdr.bmiHeader;
} else if (IsEqualGUID (&range->Specifier, &FORMAT_MPEG2Video)) {
- KS_MPEGVIDEOINFO2 *vih = (KS_MPEGVIDEOINFO2 *) format;
-
- vih->hdr.AvgTimePerFrame =
- gst_util_uint64_scale_int (10000000, fps_d, fps_n);
- vih->hdr.dwBitRate = dwRate * vih->hdr.bmiHeader.biBitCount;
-
- /* FIXME: set height and width? */
- g_assert (vih->hdr.bmiHeader.biWidth == width);
- g_assert (vih->hdr.bmiHeader.biHeight == height);
+ bih = &((KS_MPEGVIDEOINFO2 *) format)->hdr.bmiHeader;
} else {
return FALSE;
}
+ /* These formats' structures share the most basic stuff */
+ vr = (KS_DATARANGE_VIDEO *) range;
+ vih = (KS_VIDEOINFOHEADER *) format;
+
+ /* FIXME: Need to figure out how to properly handle ranges */
+ if (bih->biWidth != width || bih->biHeight != height)
+ return FALSE;
+
+ /* Framerate, clamped because of fraction conversion rounding errors */
+ vih->AvgTimePerFrame =
+ gst_util_uint64_scale_int_round (NANOSECONDS, fps_d, fps_n);
+ vih->AvgTimePerFrame =
+ MAX (vih->AvgTimePerFrame, vr->ConfigCaps.MinFrameInterval);
+ vih->AvgTimePerFrame =
+ MIN (vih->AvgTimePerFrame, vr->ConfigCaps.MaxFrameInterval);
+
+ /* Bitrate, clamped for the same reason as framerate */
+ dwRate = (width * height * fps_n) / fps_d;
+ vih->dwBitRate = dwRate * bih->biBitCount;
+ vih->dwBitRate = MAX (vih->dwBitRate, vr->ConfigCaps.MinBitsPerSecond);
+ vih->dwBitRate = MIN (vih->dwBitRate, vr->ConfigCaps.MaxBitsPerSecond);
+
return TRUE;
}
/* RGB formats */
structure =
ks_video_append_var_video_fields (ks_video_format_to_structure
- (MEDIASUBTYPE_RGB555, FORMAT_VideoInfo));
+ (MEDIASUBTYPE_RGB555, FORMAT_VideoInfo, NULL));
gst_caps_append_structure (caps, structure);
structure =
ks_video_append_var_video_fields (ks_video_format_to_structure
- (MEDIASUBTYPE_RGB565, FORMAT_VideoInfo));
+ (MEDIASUBTYPE_RGB565, FORMAT_VideoInfo, NULL));
gst_caps_append_structure (caps, structure);
structure =
ks_video_append_var_video_fields (ks_video_format_to_structure
- (MEDIASUBTYPE_RGB24, FORMAT_VideoInfo));
+ (MEDIASUBTYPE_RGB24, FORMAT_VideoInfo, NULL));
gst_caps_append_structure (caps, structure);
structure =
ks_video_append_var_video_fields (ks_video_format_to_structure
- (MEDIASUBTYPE_RGB32, FORMAT_VideoInfo));
+ (MEDIASUBTYPE_RGB32, FORMAT_VideoInfo, NULL));
gst_caps_append_structure (caps, structure);
/* YUV formats */
structure =
- ks_video_append_var_video_fields (gst_structure_new ("video/x-raw-yuv",
- NULL));
+ ks_video_append_var_video_fields (gst_structure_new_empty
+ ("video/x-raw"));
gst_caps_append_structure (caps, structure);
/* Other formats */
structure =
ks_video_append_var_video_fields (ks_video_format_to_structure
- (MEDIASUBTYPE_MJPG, FORMAT_VideoInfo));
+ (MEDIASUBTYPE_MJPG, FORMAT_VideoInfo, NULL));
gst_caps_append_structure (caps, structure);
structure =
ks_video_append_var_video_fields (ks_video_format_to_structure
- (MEDIASUBTYPE_dvsd, FORMAT_VideoInfo));
+ (MEDIASUBTYPE_dvsd, FORMAT_VideoInfo, NULL));
gst_caps_append_structure (caps, structure);
structure = /* no variable video fields (width, height, framerate) */
- ks_video_format_to_structure (MEDIASUBTYPE_dvsd, FORMAT_DvInfo);
+ ks_video_format_to_structure (MEDIASUBTYPE_dvsd, FORMAT_DvInfo, NULL);
gst_caps_append_structure (caps, structure);
}