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-rw-r--r--sys/v4l2/gstv4l2src.c557
1 files changed, 279 insertions, 278 deletions
diff --git a/sys/v4l2/gstv4l2src.c b/sys/v4l2/gstv4l2src.c
index 5e5cdddc..bc9c66a2 100644
--- a/sys/v4l2/gstv4l2src.c
+++ b/sys/v4l2/gstv4l2src.c
@@ -58,34 +58,34 @@ enum
guint32 gst_v4l2_formats[] = {
/* from Linux 2.6.0 videodev2.h */
- V4L2_PIX_FMT_RGB332, /* 8 RGB-3-3-2 */
- V4L2_PIX_FMT_RGB555, /* 16 RGB-5-5-5 */
- V4L2_PIX_FMT_RGB565, /* 16 RGB-5-6-5 */
- V4L2_PIX_FMT_RGB555X, /* 16 RGB-5-5-5 BE */
- V4L2_PIX_FMT_RGB565X, /* 16 RGB-5-6-5 BE */
- V4L2_PIX_FMT_BGR24, /* 24 BGR-8-8-8 */
- V4L2_PIX_FMT_RGB24, /* 24 RGB-8-8-8 */
- V4L2_PIX_FMT_BGR32, /* 32 BGR-8-8-8-8 */
- V4L2_PIX_FMT_RGB32, /* 32 RGB-8-8-8-8 */
- V4L2_PIX_FMT_GREY, /* 8 Greyscale */
- V4L2_PIX_FMT_YVU410, /* 9 YVU 4:1:0 */
- V4L2_PIX_FMT_YVU420, /* 12 YVU 4:2:0 */
- V4L2_PIX_FMT_YUYV, /* 16 YUV 4:2:2 */
- V4L2_PIX_FMT_UYVY, /* 16 YUV 4:2:2 */
- V4L2_PIX_FMT_YUV422P, /* 16 YVU422 planar */
- V4L2_PIX_FMT_YUV411P, /* 16 YVU411 planar */
- V4L2_PIX_FMT_Y41P, /* 12 YUV 4:1:1 */
- V4L2_PIX_FMT_NV12, /* 12 Y/CbCr 4:2:0 */
- V4L2_PIX_FMT_NV21, /* 12 Y/CrCb 4:2:0 */
- V4L2_PIX_FMT_YUV410, /* 9 YUV 4:1:0 */
- V4L2_PIX_FMT_YUV420, /* 12 YUV 4:2:0 */
- V4L2_PIX_FMT_YYUV, /* 16 YUV 4:2:2 */
- V4L2_PIX_FMT_HI240, /* 8 8-bit color */
- V4L2_PIX_FMT_MJPEG, /* Motion-JPEG */
- V4L2_PIX_FMT_JPEG, /* JFIF JPEG */
- V4L2_PIX_FMT_DV, /* 1394 */
- V4L2_PIX_FMT_MPEG, /* MPEG */
- V4L2_PIX_FMT_WNVA /* Winnov hw compres */
+ V4L2_PIX_FMT_RGB332, /* 8 RGB-3-3-2 */
+ V4L2_PIX_FMT_RGB555, /* 16 RGB-5-5-5 */
+ V4L2_PIX_FMT_RGB565, /* 16 RGB-5-6-5 */
+ V4L2_PIX_FMT_RGB555X, /* 16 RGB-5-5-5 BE */
+ V4L2_PIX_FMT_RGB565X, /* 16 RGB-5-6-5 BE */
+ V4L2_PIX_FMT_BGR24, /* 24 BGR-8-8-8 */
+ V4L2_PIX_FMT_RGB24, /* 24 RGB-8-8-8 */
+ V4L2_PIX_FMT_BGR32, /* 32 BGR-8-8-8-8 */
+ V4L2_PIX_FMT_RGB32, /* 32 RGB-8-8-8-8 */
+ V4L2_PIX_FMT_GREY, /* 8 Greyscale */
+ V4L2_PIX_FMT_YVU410, /* 9 YVU 4:1:0 */
+ V4L2_PIX_FMT_YVU420, /* 12 YVU 4:2:0 */
+ V4L2_PIX_FMT_YUYV, /* 16 YUV 4:2:2 */
+ V4L2_PIX_FMT_UYVY, /* 16 YUV 4:2:2 */
+ V4L2_PIX_FMT_YUV422P, /* 16 YVU422 planar */
+ V4L2_PIX_FMT_YUV411P, /* 16 YVU411 planar */
+ V4L2_PIX_FMT_Y41P, /* 12 YUV 4:1:1 */
+ V4L2_PIX_FMT_NV12, /* 12 Y/CbCr 4:2:0 */
+ V4L2_PIX_FMT_NV21, /* 12 Y/CrCb 4:2:0 */
+ V4L2_PIX_FMT_YUV410, /* 9 YUV 4:1:0 */
+ V4L2_PIX_FMT_YUV420, /* 12 YUV 4:2:0 */
+ V4L2_PIX_FMT_YYUV, /* 16 YUV 4:2:2 */
+ V4L2_PIX_FMT_HI240, /* 8 8-bit color */
+ V4L2_PIX_FMT_MJPEG, /* Motion-JPEG */
+ V4L2_PIX_FMT_JPEG, /* JFIF JPEG */
+ V4L2_PIX_FMT_DV, /* 1394 */
+ V4L2_PIX_FMT_MPEG, /* MPEG */
+ V4L2_PIX_FMT_WNVA /* Winnov hw compres */
};
#define GST_V4L2_FORMAT_COUNT (G_N_ELEMENTS (gst_v4l2_formats))
@@ -150,8 +150,9 @@ gst_v4l2src_get_type (void)
gst_v4l2src_init,
NULL
};
+
v4l2src_type = g_type_register_static (GST_TYPE_V4L2ELEMENT,
- "GstV4l2Src", &v4l2src_info, 0);
+ "GstV4l2Src", &v4l2src_info, 0);
GST_DEBUG_CATEGORY_INIT (v4l2src_debug, "v4l2src", 0, "v4l2src element");
}
return v4l2src_type;
@@ -185,16 +186,16 @@ gst_v4l2src_class_init (gpointer g_class, gpointer class_data)
g_object_class_install_property (gobject_class, ARG_NUMBUFS,
g_param_spec_int ("num_buffers", "num_buffers", "num_buffers",
- G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));
+ G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_BUFSIZE,
g_param_spec_int ("buffer_size", "buffer_size", "buffer_size",
- G_MININT, G_MAXINT, 0, G_PARAM_READABLE));
+ G_MININT, G_MAXINT, 0, G_PARAM_READABLE));
g_object_class_install_property (gobject_class, ARG_USE_FIXED_FPS,
g_param_spec_boolean ("use_fixed_fps", "Use Fixed FPS",
- "Drop/Insert frames to reach a certain FPS (TRUE) "
- "or adapt FPS to suit the number of frabbed frames",
- TRUE, G_PARAM_READWRITE));
+ "Drop/Insert frames to reach a certain FPS (TRUE) "
+ "or adapt FPS to suit the number of frabbed frames",
+ TRUE, G_PARAM_READWRITE));
/* signals */
gst_v4l2src_signals[SIGNAL_FRAME_CAPTURE] =
@@ -280,7 +281,7 @@ gst_v4l2src_get_fps (GstV4l2Src * v4l2src)
if (!v4l2src->use_fixed_fps && v4l2src->clock != NULL && v4l2src->handled > 0) {
/* try to get time from clock master and calculate fps */
GstClockTime time = gst_clock_get_time (v4l2src->clock) -
- v4l2src->substract_time;
+ v4l2src->substract_time;
return v4l2src->handled * GST_SECOND / time;
}
@@ -317,21 +318,21 @@ gst_v4l2src_src_convert (GstPad * pad,
switch (src_format) {
case GST_FORMAT_TIME:
switch (*dest_format) {
- case GST_FORMAT_DEFAULT:
- *dest_value = src_value * fps / GST_SECOND;
- break;
- default:
- return FALSE;
+ case GST_FORMAT_DEFAULT:
+ *dest_value = src_value * fps / GST_SECOND;
+ break;
+ default:
+ return FALSE;
}
break;
case GST_FORMAT_DEFAULT:
switch (*dest_format) {
- case GST_FORMAT_TIME:
- *dest_value = src_value * GST_SECOND / fps;
- break;
- default:
- return FALSE;
+ case GST_FORMAT_TIME:
+ *dest_value = src_value * GST_SECOND / fps;
+ break;
+ default:
+ return FALSE;
}
break;
@@ -356,15 +357,15 @@ gst_v4l2src_src_query (GstPad * pad,
switch (type) {
case GST_QUERY_POSITION:
switch (*format) {
- case GST_FORMAT_TIME:
- *value = v4l2src->handled * GST_SECOND / fps;
- break;
- case GST_FORMAT_DEFAULT:
- *value = v4l2src->handled;
- break;
- default:
- res = FALSE;
- break;
+ case GST_FORMAT_TIME:
+ *value = v4l2src->handled * GST_SECOND / fps;
+ break;
+ case GST_FORMAT_DEFAULT:
+ *value = v4l2src->handled;
+ break;
+ default:
+ res = FALSE;
+ break;
}
break;
default:
@@ -381,8 +382,8 @@ gst_v4l2src_v4l2fourcc_to_caps (guint32 fourcc)
GstStructure *structure = NULL;
switch (fourcc) {
- case V4L2_PIX_FMT_MJPEG: /* Motion-JPEG */
- case V4L2_PIX_FMT_JPEG: /* JFIF JPEG */
+ case V4L2_PIX_FMT_MJPEG: /* Motion-JPEG */
+ case V4L2_PIX_FMT_JPEG: /* JFIF JPEG */
structure = gst_structure_new ("video/x-jpeg", NULL);
break;
case V4L2_PIX_FMT_RGB332:
@@ -399,84 +400,84 @@ gst_v4l2src_v4l2fourcc_to_caps (guint32 fourcc)
guint32 r_mask = 0, b_mask = 0, g_mask = 0;
switch (fourcc) {
- case V4L2_PIX_FMT_RGB332:
- bpp = depth = 8;
- endianness = G_BYTE_ORDER; /* 'like, whatever' */
- r_mask = 0xe0;
- g_mask = 0x1c;
- b_mask = 0x03;
- break;
- case V4L2_PIX_FMT_RGB555:
- case V4L2_PIX_FMT_RGB555X:
- bpp = 16;
- depth = 15;
- endianness =
- fourcc == V4L2_PIX_FMT_RGB555X ? G_BIG_ENDIAN : G_LITTLE_ENDIAN;
- r_mask = 0x7c00;
- g_mask = 0x03e0;
- b_mask = 0x001f;
- break;
- case V4L2_PIX_FMT_RGB565:
- case V4L2_PIX_FMT_RGB565X:
- bpp = depth = 16;
- endianness =
- fourcc == V4L2_PIX_FMT_RGB565X ? G_BIG_ENDIAN : G_LITTLE_ENDIAN;
- r_mask = 0xf800;
- g_mask = 0x07e0;
- b_mask = 0x001f;
- case V4L2_PIX_FMT_RGB24:
- bpp = depth = 24;
- endianness = G_BIG_ENDIAN;
- r_mask = 0xff0000;
- g_mask = 0x00ff00;
- b_mask = 0x0000ff;
- break;
- case V4L2_PIX_FMT_BGR24:
- bpp = depth = 24;
- endianness = G_BIG_ENDIAN;
- r_mask = 0x0000ff;
- g_mask = 0x00ff00;
- b_mask = 0xff0000;
- break;
- case V4L2_PIX_FMT_RGB32:
- bpp = depth = 32;
- endianness = G_BIG_ENDIAN;
- r_mask = 0xff000000;
- g_mask = 0x00ff0000;
- b_mask = 0x0000ff00;
- break;
- case V4L2_PIX_FMT_BGR32:
- bpp = depth = 32;
- endianness = G_BIG_ENDIAN;
- r_mask = 0x000000ff;
- g_mask = 0x0000ff00;
- b_mask = 0x00ff0000;
- break;
- default:
- g_assert_not_reached ();
- break;
+ case V4L2_PIX_FMT_RGB332:
+ bpp = depth = 8;
+ endianness = G_BYTE_ORDER; /* 'like, whatever' */
+ r_mask = 0xe0;
+ g_mask = 0x1c;
+ b_mask = 0x03;
+ break;
+ case V4L2_PIX_FMT_RGB555:
+ case V4L2_PIX_FMT_RGB555X:
+ bpp = 16;
+ depth = 15;
+ endianness =
+ fourcc == V4L2_PIX_FMT_RGB555X ? G_BIG_ENDIAN : G_LITTLE_ENDIAN;
+ r_mask = 0x7c00;
+ g_mask = 0x03e0;
+ b_mask = 0x001f;
+ break;
+ case V4L2_PIX_FMT_RGB565:
+ case V4L2_PIX_FMT_RGB565X:
+ bpp = depth = 16;
+ endianness =
+ fourcc == V4L2_PIX_FMT_RGB565X ? G_BIG_ENDIAN : G_LITTLE_ENDIAN;
+ r_mask = 0xf800;
+ g_mask = 0x07e0;
+ b_mask = 0x001f;
+ case V4L2_PIX_FMT_RGB24:
+ bpp = depth = 24;
+ endianness = G_BIG_ENDIAN;
+ r_mask = 0xff0000;
+ g_mask = 0x00ff00;
+ b_mask = 0x0000ff;
+ break;
+ case V4L2_PIX_FMT_BGR24:
+ bpp = depth = 24;
+ endianness = G_BIG_ENDIAN;
+ r_mask = 0x0000ff;
+ g_mask = 0x00ff00;
+ b_mask = 0xff0000;
+ break;
+ case V4L2_PIX_FMT_RGB32:
+ bpp = depth = 32;
+ endianness = G_BIG_ENDIAN;
+ r_mask = 0xff000000;
+ g_mask = 0x00ff0000;
+ b_mask = 0x0000ff00;
+ break;
+ case V4L2_PIX_FMT_BGR32:
+ bpp = depth = 32;
+ endianness = G_BIG_ENDIAN;
+ r_mask = 0x000000ff;
+ g_mask = 0x0000ff00;
+ b_mask = 0x00ff0000;
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
}
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);
+ "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);
break;
}
- case V4L2_PIX_FMT_GREY: /* 8 Greyscale */
- case V4L2_PIX_FMT_YUV422P: /* 16 YVU422 planar */
- case V4L2_PIX_FMT_YUV411P: /* 16 YVU411 planar */
- case V4L2_PIX_FMT_NV12: /* 12 Y/CbCr 4:2:0 */
- case V4L2_PIX_FMT_NV21: /* 12 Y/CrCb 4:2:0 */
- case V4L2_PIX_FMT_YYUV: /* 16 YUV 4:2:2 */
- case V4L2_PIX_FMT_HI240: /* 8 8-bit color */
+ case V4L2_PIX_FMT_GREY: /* 8 Greyscale */
+ case V4L2_PIX_FMT_YUV422P: /* 16 YVU422 planar */
+ case V4L2_PIX_FMT_YUV411P: /* 16 YVU411 planar */
+ case V4L2_PIX_FMT_NV12: /* 12 Y/CbCr 4:2:0 */
+ case V4L2_PIX_FMT_NV21: /* 12 Y/CrCb 4:2:0 */
+ case V4L2_PIX_FMT_YYUV: /* 16 YUV 4:2:2 */
+ case V4L2_PIX_FMT_HI240: /* 8 8-bit color */
/* FIXME: get correct fourccs here */
break;
case V4L2_PIX_FMT_YVU410:
case V4L2_PIX_FMT_YUV410:
- case V4L2_PIX_FMT_YUV420: /* I420/IYUV */
+ case V4L2_PIX_FMT_YUV420: /* I420/IYUV */
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_YVU420:
case V4L2_PIX_FMT_UYVY:
@@ -484,48 +485,48 @@ gst_v4l2src_v4l2fourcc_to_caps (guint32 fourcc)
guint32 fcc = 0;
switch (fourcc) {
- case V4L2_PIX_FMT_YVU410:
- fcc = GST_MAKE_FOURCC ('Y', 'V', 'U', '9');
- break;
- case V4L2_PIX_FMT_YUV410:
- fcc = GST_MAKE_FOURCC ('Y', 'U', 'V', '9');
- break;
- case V4L2_PIX_FMT_YUV420:
- fcc = GST_MAKE_FOURCC ('I', '4', '2', '0');
- break;
- case V4L2_PIX_FMT_YUYV:
- fcc = GST_MAKE_FOURCC ('Y', 'U', 'Y', '2');
- break;
- case V4L2_PIX_FMT_YVU420:
- fcc = GST_MAKE_FOURCC ('Y', 'V', '1', '2');
- break;
- case V4L2_PIX_FMT_UYVY:
- fcc = GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y');
- break;
- case V4L2_PIX_FMT_Y41P:
- fcc = GST_MAKE_FOURCC ('Y', '4', '1', 'B');
- break;
- default:
- g_assert_not_reached ();
- break;
+ case V4L2_PIX_FMT_YVU410:
+ fcc = GST_MAKE_FOURCC ('Y', 'V', 'U', '9');
+ break;
+ case V4L2_PIX_FMT_YUV410:
+ fcc = GST_MAKE_FOURCC ('Y', 'U', 'V', '9');
+ break;
+ case V4L2_PIX_FMT_YUV420:
+ fcc = GST_MAKE_FOURCC ('I', '4', '2', '0');
+ break;
+ case V4L2_PIX_FMT_YUYV:
+ fcc = GST_MAKE_FOURCC ('Y', 'U', 'Y', '2');
+ break;
+ case V4L2_PIX_FMT_YVU420:
+ fcc = GST_MAKE_FOURCC ('Y', 'V', '1', '2');
+ break;
+ case V4L2_PIX_FMT_UYVY:
+ fcc = GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y');
+ break;
+ case V4L2_PIX_FMT_Y41P:
+ fcc = GST_MAKE_FOURCC ('Y', '4', '1', 'B');
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
}
structure = gst_structure_new ("video/x-raw-yuv",
- "format", GST_TYPE_FOURCC, fcc, NULL);
+ "format", GST_TYPE_FOURCC, fcc, NULL);
break;
}
case V4L2_PIX_FMT_DV:
structure =
- gst_structure_new ("video/x-dv", "systemstream", G_TYPE_BOOLEAN, TRUE,
- NULL);
+ gst_structure_new ("video/x-dv", "systemstream", G_TYPE_BOOLEAN, TRUE,
+ NULL);
break;
- case V4L2_PIX_FMT_MPEG: /* MPEG */
+ case V4L2_PIX_FMT_MPEG: /* MPEG */
/* someone figure out the MPEG format used... */
break;
- case V4L2_PIX_FMT_WNVA: /* Winnov hw compres */
+ case V4L2_PIX_FMT_WNVA: /* Winnov hw compres */
break;
default:
GST_DEBUG ("Unknown fourcc 0x%08x " GST_FOURCC_FORMAT,
- fourcc, GST_FOURCC_ARGS (fourcc));
+ fourcc, GST_FOURCC_ARGS (fourcc));
break;
}
#if 0
@@ -552,8 +553,8 @@ gst_v4l2src_get_format_from_fourcc (GstV4l2Src * v4l2src, guint32 fourcc)
return fmt;
/* special case for jpeg */
if ((fmt->pixelformat == V4L2_PIX_FMT_MJPEG && fourcc == V4L2_PIX_FMT_JPEG)
- || (fmt->pixelformat == V4L2_PIX_FMT_JPEG
- && fourcc == V4L2_PIX_FMT_MJPEG)) {
+ || (fmt->pixelformat == V4L2_PIX_FMT_JPEG
+ && fourcc == V4L2_PIX_FMT_MJPEG)) {
return fmt;
}
walk = g_slist_next (walk);
@@ -578,48 +579,48 @@ gst_v4l2_fourcc_from_structure (GstStructure * structure)
switch (fourcc) {
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
case GST_MAKE_FOURCC ('I', 'Y', 'U', 'V'):
- fourcc = V4L2_PIX_FMT_YUV420;
- break;
+ fourcc = V4L2_PIX_FMT_YUV420;
+ break;
case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
- fourcc = V4L2_PIX_FMT_YUYV;
- break;
+ fourcc = V4L2_PIX_FMT_YUYV;
+ break;
case GST_MAKE_FOURCC ('Y', '4', '1', 'P'):
- fourcc = V4L2_PIX_FMT_Y41P;
- break;
+ fourcc = V4L2_PIX_FMT_Y41P;
+ break;
case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
- fourcc = V4L2_PIX_FMT_UYVY;
- break;
+ fourcc = V4L2_PIX_FMT_UYVY;
+ break;
case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
- fourcc = V4L2_PIX_FMT_YVU420;
- break;
+ fourcc = V4L2_PIX_FMT_YVU420;
+ break;
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):{
- gint depth, endianness, r_mask;
-
- gst_structure_get_int (structure, "depth", &depth);
- gst_structure_get_int (structure, "endianness", &endianness);
- gst_structure_get_int (structure, "red_mask", &r_mask);
-
- switch (depth) {
- case 8:
- fourcc = V4L2_PIX_FMT_RGB332;
- break;
- case 15:
- fourcc = (endianness == G_LITTLE_ENDIAN) ?
- V4L2_PIX_FMT_RGB555 : V4L2_PIX_FMT_RGB555X;
- break;
- case 16:
- fourcc = (endianness == G_LITTLE_ENDIAN) ?
- V4L2_PIX_FMT_RGB565 : V4L2_PIX_FMT_RGB565X;
- break;
- case 24:
- fourcc = (r_mask == 0xFF) ? V4L2_PIX_FMT_BGR24 : V4L2_PIX_FMT_RGB24;
- break;
- case 32:
- fourcc = (r_mask == 0xFF) ? V4L2_PIX_FMT_BGR32 : V4L2_PIX_FMT_RGB32;
- break;
- }
+ gint depth, endianness, r_mask;
+
+ gst_structure_get_int (structure, "depth", &depth);
+ gst_structure_get_int (structure, "endianness", &endianness);
+ gst_structure_get_int (structure, "red_mask", &r_mask);
+
+ switch (depth) {
+ case 8:
+ fourcc = V4L2_PIX_FMT_RGB332;
+ break;
+ case 15:
+ fourcc = (endianness == G_LITTLE_ENDIAN) ?
+ V4L2_PIX_FMT_RGB555 : V4L2_PIX_FMT_RGB555X;
+ break;
+ case 16:
+ fourcc = (endianness == G_LITTLE_ENDIAN) ?
+ V4L2_PIX_FMT_RGB565 : V4L2_PIX_FMT_RGB565X;
+ break;
+ case 24:
+ fourcc = (r_mask == 0xFF) ? V4L2_PIX_FMT_BGR24 : V4L2_PIX_FMT_RGB24;
+ break;
+ case 32:
+ fourcc = (r_mask == 0xFF) ? V4L2_PIX_FMT_BGR32 : V4L2_PIX_FMT_RGB32;
+ break;
+ }
default:
- break;
+ break;
}
}
} else if (strcmp (mimetype, "video/x-dv") == 0) {
@@ -651,12 +652,12 @@ gst_v4l2src_get_all_caps (void)
for (i = 0; i < GST_V4L2_FORMAT_COUNT; i++) {
structure = gst_v4l2src_v4l2fourcc_to_caps (gst_v4l2_formats[i]);
if (structure) {
- gst_structure_set (structure,
- "width", GST_TYPE_INT_RANGE, 1, 4096,
- "height", GST_TYPE_INT_RANGE, 1, 4096,
- "framerate", GST_TYPE_DOUBLE_RANGE, (double) 0, G_MAXDOUBLE, NULL);
+ gst_structure_set (structure,
+ "width", GST_TYPE_INT_RANGE, 1, 4096,
+ "height", GST_TYPE_INT_RANGE, 1, 4096,
+ "framerate", GST_TYPE_DOUBLE_RANGE, (double) 0, G_MAXDOUBLE, NULL);
- gst_caps_append_structure (caps, structure);
+ gst_caps_append_structure (caps, structure);
}
}
}
@@ -680,8 +681,8 @@ gst_v4l2src_fixate (GstPad * pad, const GstCaps * const_caps)
for (i = 0; i < gst_caps_get_size (caps); i++) {
structure = gst_caps_get_structure (caps, i);
changed |=
- gst_caps_structure_fixate_field_nearest_int (structure, "width",
- G_MAXINT);
+ gst_caps_structure_fixate_field_nearest_int (structure, "width",
+ G_MAXINT);
}
if (changed)
return caps;
@@ -689,8 +690,8 @@ gst_v4l2src_fixate (GstPad * pad, const GstCaps * const_caps)
for (i = 0; i < gst_caps_get_size (caps); i++) {
structure = gst_caps_get_structure (caps, i);
changed |=
- gst_caps_structure_fixate_field_nearest_int (structure, "height",
- G_MAXINT);
+ gst_caps_structure_fixate_field_nearest_int (structure, "height",
+ G_MAXINT);
}
if (changed)
return caps;
@@ -764,7 +765,7 @@ gst_v4l2src_getcaps (GstPad * pad)
/* get size delimiters */
if (!gst_v4l2src_get_size_limits (v4l2src, format,
- &min_w, &max_w, &min_h, &max_h)) {
+ &min_w, &max_w, &min_h, &max_h)) {
continue;
}
@@ -773,9 +774,9 @@ gst_v4l2src_getcaps (GstPad * pad)
if (structure) {
gst_structure_set (structure,
- "width", GST_TYPE_INT_RANGE, min_w, max_w,
- "height", GST_TYPE_INT_RANGE, min_h, max_h,
- "framerate", GST_TYPE_DOUBLE_RANGE, (double) 0, G_MAXDOUBLE, NULL);
+ "width", GST_TYPE_INT_RANGE, min_w, max_w,
+ "height", GST_TYPE_INT_RANGE, min_h, max_h,
+ "framerate", GST_TYPE_DOUBLE_RANGE, (double) 0, G_MAXDOUBLE, NULL);
gst_caps_append_structure (caps, structure);
}
@@ -796,7 +797,7 @@ gst_v4l2src_get (GstPad * pad)
if (v4l2src->use_fixed_fps && (fps = gst_v4l2src_get_fps (v4l2src)) == 0) {
GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS, (NULL),
- ("could not get frame rate for element"));
+ ("could not get frame rate for element"));
return NULL;
}
@@ -818,69 +819,69 @@ gst_v4l2src_get (GstPad * pad)
gboolean have_frame = FALSE;
do {
- /* FIXME: isn't this v4l2 timestamp its own clock?! */
- /* by default, we use the frame once */
- v4l2src->need_writes = 1;
-
- g_assert (time >= v4l2src->substract_time);
- time -= v4l2src->substract_time;
-
- /* first check whether we lost any frames according to the device */
- if (v4l2src->last_seq != 0) {
- if (v4l2src->pool->buffers[num].buffer.sequence - v4l2src->last_seq >
- 1) {
- v4l2src->need_writes =
- v4l2src->pool->buffers[num].buffer.sequence - v4l2src->last_seq;
- g_signal_emit (G_OBJECT (v4l2src),
- gst_v4l2src_signals[SIGNAL_FRAME_LOST], 0,
- v4l2src->need_writes - 1);
- }
- }
- v4l2src->last_seq = v4l2src->pool->buffers[num].buffer.sequence;
-
- /* decide how often we're going to write the frame - set
- * v4lmjpegsrc->need_writes to (that-1) and have_frame to TRUE
- * if we're going to write it - else, just continue.
- *
- * time is generally the system or audio clock. Let's
- * say that we've written one second of audio, then we want
- * to have written one second of video too, within the same
- * timeframe. This means that if time - begin_time = X sec,
- * we want to have written X*fps frames. If we've written
- * more - drop, if we've written less - dup... */
- if (v4l2src->handled * (GST_SECOND / fps) - time >
- 1.5 * (GST_SECOND / fps)) {
- /* yo dude, we've got too many frames here! Drop! DROP! */
- v4l2src->need_writes--; /* -= (v4l2src->handled - (time / fps)); */
- g_signal_emit (G_OBJECT (v4l2src),
- gst_v4l2src_signals[SIGNAL_FRAME_DROP], 0);
- } else if (v4l2src->handled * (GST_SECOND / fps) - time <
- -1.5 * (GST_SECOND / fps)) {
- /* this means we're lagging far behind */
- v4l2src->need_writes++; /* += ((time / fps) - v4l2src->handled); */
- g_signal_emit (G_OBJECT (v4l2src),
- gst_v4l2src_signals[SIGNAL_FRAME_INSERT], 0);
- }
-
- if (v4l2src->need_writes > 0) {
- have_frame = TRUE;
- v4l2src->need_writes--;
- } else {
- if (!gst_v4l2src_queue_frame (v4l2src, num))
- return NULL;
- num = gst_v4l2src_grab_frame (v4l2src);
- if (num == -1)
- return NULL;
- }
+ /* FIXME: isn't this v4l2 timestamp its own clock?! */
+ /* by default, we use the frame once */
+ v4l2src->need_writes = 1;
+
+ g_assert (time >= v4l2src->substract_time);
+ time -= v4l2src->substract_time;
+
+ /* first check whether we lost any frames according to the device */
+ if (v4l2src->last_seq != 0) {
+ if (v4l2src->pool->buffers[num].buffer.sequence - v4l2src->last_seq >
+ 1) {
+ v4l2src->need_writes =
+ v4l2src->pool->buffers[num].buffer.sequence - v4l2src->last_seq;
+ g_signal_emit (G_OBJECT (v4l2src),
+ gst_v4l2src_signals[SIGNAL_FRAME_LOST], 0,
+ v4l2src->need_writes - 1);
+ }
+ }
+ v4l2src->last_seq = v4l2src->pool->buffers[num].buffer.sequence;
+
+ /* decide how often we're going to write the frame - set
+ * v4lmjpegsrc->need_writes to (that-1) and have_frame to TRUE
+ * if we're going to write it - else, just continue.
+ *
+ * time is generally the system or audio clock. Let's
+ * say that we've written one second of audio, then we want
+ * to have written one second of video too, within the same
+ * timeframe. This means that if time - begin_time = X sec,
+ * we want to have written X*fps frames. If we've written
+ * more - drop, if we've written less - dup... */
+ if (v4l2src->handled * (GST_SECOND / fps) - time >
+ 1.5 * (GST_SECOND / fps)) {
+ /* yo dude, we've got too many frames here! Drop! DROP! */
+ v4l2src->need_writes--; /* -= (v4l2src->handled - (time / fps)); */
+ g_signal_emit (G_OBJECT (v4l2src),
+ gst_v4l2src_signals[SIGNAL_FRAME_DROP], 0);
+ } else if (v4l2src->handled * (GST_SECOND / fps) - time <
+ -1.5 * (GST_SECOND / fps)) {
+ /* this means we're lagging far behind */
+ v4l2src->need_writes++; /* += ((time / fps) - v4l2src->handled); */
+ g_signal_emit (G_OBJECT (v4l2src),
+ gst_v4l2src_signals[SIGNAL_FRAME_INSERT], 0);
+ }
+
+ if (v4l2src->need_writes > 0) {
+ have_frame = TRUE;
+ v4l2src->need_writes--;
+ } else {
+ if (!gst_v4l2src_queue_frame (v4l2src, num))
+ return NULL;
+ num = gst_v4l2src_grab_frame (v4l2src);
+ if (num == -1)
+ return NULL;
+ }
} while (!have_frame);
}
g_assert (num != -1);
GST_LOG_OBJECT (v4l2src, "buffer %d needs %d writes", num,
- v4l2src->need_writes + 1);
+ v4l2src->need_writes + 1);
i = v4l2src->pool->buffers[num].buffer.bytesused >
- 0 ? v4l2src->pool->buffers[num].buffer.bytesused : v4l2src->pool->
- buffers[num].length;
+ 0 ? v4l2src->pool->buffers[num].buffer.bytesused : v4l2src->pool->
+ buffers[num].length;
/* check if this is the last buffer in the queue. If so do a memcpy to put it back asap
to avoid framedrops and deadlocks because of stupid elements */
if (gst_atomic_int_read (&v4l2src->pool->refcount) == v4l2src->breq.count) {
@@ -888,8 +889,8 @@ gst_v4l2src_get (GstPad * pad)
buf = gst_buffer_new_and_alloc (i);
memcpy (GST_BUFFER_DATA (buf), v4l2src->pool->buffers[num].start, i);
if (!gst_v4l2src_queue_frame (v4l2src, num)) {
- gst_data_unref (GST_DATA (buf));
- return NULL;
+ gst_data_unref (GST_DATA (buf));
+ return NULL;
}
} else {
GST_LOG_OBJECT (v4l2src, "using mmap'd buffer");
@@ -909,13 +910,13 @@ gst_v4l2src_get (GstPad * pad)
} else {
/* calculate time based on our own clock */
GST_BUFFER_TIMESTAMP (buf) =
- GST_TIMEVAL_TO_TIME (v4l2src->pool->buffers[num].buffer.timestamp) -
- v4l2src->substract_time;
+ GST_TIMEVAL_TO_TIME (v4l2src->pool->buffers[num].buffer.timestamp) -
+ v4l2src->substract_time;
}
if (v4l2src->need_writes > 0) {
v4l2src->cached_buffer = buf;
for (i = 0; i < v4l2src->need_writes; i++) {
- gst_data_ref (GST_DATA (buf));
+ gst_data_ref (GST_DATA (buf));
}
}
}
@@ -939,13 +940,13 @@ gst_v4l2src_set_property (GObject * object,
switch (prop_id) {
case ARG_NUMBUFS:
if (!GST_V4L2_IS_ACTIVE (GST_V4L2ELEMENT (v4l2src))) {
- v4l2src->breq.count = g_value_get_int (value);
+ v4l2src->breq.count = g_value_get_int (value);
}
break;
case ARG_USE_FIXED_FPS:
if (!GST_V4L2_IS_ACTIVE (GST_V4L2ELEMENT (v4l2src))) {
- v4l2src->use_fixed_fps = g_value_get_boolean (value);
+ v4l2src->use_fixed_fps = g_value_get_boolean (value);
}
break;
@@ -1005,7 +1006,7 @@ gst_v4l2src_change_state (GstElement * element)
switch (transition) {
case GST_STATE_NULL_TO_READY:
if (!gst_v4l2src_get_capture (v4l2src))
- return GST_STATE_FAILURE;
+ return GST_STATE_FAILURE;
break;
case GST_STATE_READY_TO_PAUSED:
v4l2src->handled = 0;
@@ -1016,24 +1017,24 @@ gst_v4l2src_change_state (GstElement * element)
case GST_STATE_PAUSED_TO_PLAYING:
/* queue all buffer, start streaming capture */
if (!gst_v4l2src_capture_start (v4l2src))
- return GST_STATE_FAILURE;
+ return GST_STATE_FAILURE;
g_get_current_time (&time);
v4l2src->substract_time = GST_TIMEVAL_TO_TIME (time) -
- v4l2src->substract_time;
+ v4l2src->substract_time;
v4l2src->last_seq = 0;
break;
case GST_STATE_PLAYING_TO_PAUSED:
g_get_current_time (&time);
v4l2src->substract_time = GST_TIMEVAL_TO_TIME (time) -
- v4l2src->substract_time;
+ v4l2src->substract_time;
/* de-queue all queued buffers */
if (!gst_v4l2src_capture_stop (v4l2src))
- return GST_STATE_FAILURE;
+ return GST_STATE_FAILURE;
break;
case GST_STATE_PAUSED_TO_READY:
/* stop capturing, unmap all buffers */
if (!gst_v4l2src_capture_deinit (v4l2src))
- return GST_STATE_FAILURE;
+ return GST_STATE_FAILURE;
break;
case GST_STATE_READY_TO_NULL:
break;
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-08 16:26:58 +0000