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Some more v4lsrc fixes.

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Original commit message from CVS:
Some more v4lsrc fixes.
This commit is contained in:
Wim Taymans 2002-01-20 16:03:10 +00:00
parent 27c702f5f3
commit c5f2cbad83
1 changed files with 38 additions and 129 deletions
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167
sys/v4l/gstv4lsrc.c
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@ -195,39 +195,47 @@ gst_v4lsrc_srcconnect (GstPad *pad,
if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('I','4','2','0') && if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('I','4','2','0') &&
gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('I','Y','U','V')) gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('I','Y','U','V'))
goto try_next; goto try_next;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 1.5;
goto try_caps; goto try_caps;
case VIDEO_PALETTE_YUV422: case VIDEO_PALETTE_YUV422:
case VIDEO_PALETTE_YUYV: case VIDEO_PALETTE_YUYV:
if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('Y','U','Y','2')) if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('Y','U','Y','2'))
goto try_next; goto try_next;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
goto try_caps; goto try_caps;
case VIDEO_PALETTE_UYVY: case VIDEO_PALETTE_UYVY:
if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('U','Y','V','Y')) if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('U','Y','V','Y'))
goto try_next; goto try_next;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
goto try_caps; goto try_caps;
case VIDEO_PALETTE_YUV411: case VIDEO_PALETTE_YUV411:
if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('Y','4','1','P')) if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('Y','4','1','P'))
goto try_next; goto try_next;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 1.5;
goto try_caps; goto try_caps;
case VIDEO_PALETTE_RGB555: case VIDEO_PALETTE_RGB555:
if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('R','G','B',' ') || if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('R','G','B',' ') ||
gst_caps_get_int(caps, "depth") != 15) gst_caps_get_int(caps, "depth") != 15)
goto try_next; goto try_next;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
goto try_caps; goto try_caps;
case VIDEO_PALETTE_RGB565: case VIDEO_PALETTE_RGB565:
if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('R','G','B',' ') || if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('R','G','B',' ') ||
gst_caps_get_int(caps, "depth") != 16) gst_caps_get_int(caps, "depth") != 16)
goto try_next; goto try_next;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
goto try_caps; goto try_caps;
case VIDEO_PALETTE_RGB24: case VIDEO_PALETTE_RGB24:
if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('R','G','B',' ') || if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('R','G','B',' ') ||
gst_caps_get_int(caps, "depth") != 24) gst_caps_get_int(caps, "depth") != 24)
goto try_next; goto try_next;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 3;
goto try_caps; goto try_caps;
case VIDEO_PALETTE_RGB32: case VIDEO_PALETTE_RGB32:
if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('R','G','B',' ') || if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('R','G','B',' ') ||
gst_caps_get_int(caps, "depth") != 32) gst_caps_get_int(caps, "depth") != 32)
goto try_next; goto try_next;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 4;
goto try_caps; goto try_caps;
default: default:
goto try_next; goto try_next;
@ -240,30 +248,38 @@ gst_v4lsrc_srcconnect (GstPad *pad,
case GST_MAKE_FOURCC('I','4','2','0'): case GST_MAKE_FOURCC('I','4','2','0'):
case GST_MAKE_FOURCC('I','Y','U','V'): case GST_MAKE_FOURCC('I','Y','U','V'):
palette = VIDEO_PALETTE_YUV420P; palette = VIDEO_PALETTE_YUV420P;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 1.5;
goto try_caps; goto try_caps;
case GST_MAKE_FOURCC('Y','U','Y','2'): case GST_MAKE_FOURCC('Y','U','Y','2'):
palette = VIDEO_PALETTE_YUV422; palette = VIDEO_PALETTE_YUV422;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
goto try_caps; goto try_caps;
case GST_MAKE_FOURCC('U','Y','V','Y'): case GST_MAKE_FOURCC('U','Y','V','Y'):
palette = VIDEO_PALETTE_UYVY; palette = VIDEO_PALETTE_UYVY;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
goto try_caps; goto try_caps;
case GST_MAKE_FOURCC('Y','4','1','P'): case GST_MAKE_FOURCC('Y','4','1','P'):
palette = VIDEO_PALETTE_YUV411; palette = VIDEO_PALETTE_YUV411;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 1.5;
goto try_caps; goto try_caps;
case GST_MAKE_FOURCC('R','G','B',' '): case GST_MAKE_FOURCC('R','G','B',' '):
switch (gst_caps_get_int(caps, "depth")) switch (gst_caps_get_int(caps, "depth"))
{ {
case 15: case 15:
palette = VIDEO_PALETTE_RGB555; palette = VIDEO_PALETTE_RGB555;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
goto try_caps; goto try_caps;
case 16: case 16:
palette = VIDEO_PALETTE_RGB565; palette = VIDEO_PALETTE_RGB565;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
goto try_caps; goto try_caps;
case 24: case 24:
palette = VIDEO_PALETTE_RGB24; palette = VIDEO_PALETTE_RGB24;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 3;
goto try_caps; goto try_caps;
case 32: case 32:
palette = VIDEO_PALETTE_RGB32; palette = VIDEO_PALETTE_RGB32;
v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 4;
goto try_caps; goto try_caps;
default: default:
goto try_next; goto try_next;
@ -291,7 +307,7 @@ gst_v4lsrc_srcconnect (GstPad *pad,
gst_props_new( gst_props_new(
"format", GST_PROPS_FOURCC(gst_caps_get_fourcc_int(caps, "format")), "format", GST_PROPS_FOURCC(gst_caps_get_fourcc_int(caps, "format")),
"width", GST_PROPS_INT(v4lsrc->width), "width", GST_PROPS_INT(v4lsrc->width),
"width", GST_PROPS_INT(v4lsrc->height), "height", GST_PROPS_INT(v4lsrc->height),
"bpp", GST_PROPS_INT(gst_caps_get_int(caps, "bpp")), "bpp", GST_PROPS_INT(gst_caps_get_int(caps, "bpp")),
"depth", GST_PROPS_INT(gst_caps_get_int(caps, "depth")), "depth", GST_PROPS_INT(gst_caps_get_int(caps, "depth")),
NULL ) ); NULL ) );
@ -304,6 +320,8 @@ gst_v4lsrc_srcconnect (GstPad *pad,
"height", GST_PROPS_INT(v4lsrc->height), "height", GST_PROPS_INT(v4lsrc->height),
NULL ) ); NULL ) );
gst_caps_debug (newcaps);
if (!gst_pad_try_set_caps(v4lsrc->srcpad, newcaps)) if (!gst_pad_try_set_caps(v4lsrc->srcpad, newcaps))
continue; continue;
else else
@ -428,128 +446,16 @@ gst_v4lsrc_change_state (GstElement *element)
GstV4lSrc *v4lsrc; GstV4lSrc *v4lsrc;
GstElementStateReturn parent_value; GstElementStateReturn parent_value;
GstCaps *caps; GstCaps *caps;
gint transition = GST_STATE_TRANSITION (element);
g_return_val_if_fail(GST_IS_V4LSRC(element), GST_STATE_FAILURE); g_return_val_if_fail(GST_IS_V4LSRC(element), GST_STATE_FAILURE);
v4lsrc = GST_V4LSRC(element); v4lsrc = GST_V4LSRC(element);
switch (GST_STATE_TRANSITION(element)) { switch (transition) {
case GST_STATE_NULL_TO_READY:
break;
case GST_STATE_READY_TO_PAUSED: case GST_STATE_READY_TO_PAUSED:
/* set capture parameters and mmap the buffers */
if (!gst_v4lsrc_set_capture(v4lsrc, v4lsrc->width, v4lsrc->height,
v4lsrc->palette>0 ? v4lsrc->palette : v4lsrc->mmap.format))
return GST_STATE_FAILURE;
/* retry setting the video-palette */
if (v4lsrc->palette > 0)
{
switch (v4lsrc->palette)
{
case VIDEO_PALETTE_YUYV:
case VIDEO_PALETTE_UYVY:
case VIDEO_PALETTE_YUV422:
case VIDEO_PALETTE_YUV420P:
case VIDEO_PALETTE_YUV411:
{
gulong format;
switch (v4lsrc->palette)
{
case VIDEO_PALETTE_YUYV:
format = GST_MAKE_FOURCC('Y','U','Y','2');
break;
case VIDEO_PALETTE_UYVY:
format = GST_MAKE_FOURCC('U','Y','V','Y');
break;
case VIDEO_PALETTE_YUV422:
format = GST_MAKE_FOURCC('Y','U','Y','2');
break;
case VIDEO_PALETTE_YUV420P:
format = GST_MAKE_FOURCC('I','4','2','0');
break;
case VIDEO_PALETTE_YUV411:
format = GST_MAKE_FOURCC('Y','4','1','P');
break;
}
caps = gst_caps_new("v4lsrc_caps",
"video/raw",
gst_props_new(
"format", GST_PROPS_FOURCC(format),
"width", GST_PROPS_INT(v4lsrc->width),
"height", GST_PROPS_INT(v4lsrc->height),
NULL ) );
break;
}
case VIDEO_PALETTE_RGB555:
case VIDEO_PALETTE_RGB565:
case VIDEO_PALETTE_RGB24:
case VIDEO_PALETTE_RGB32:
{
gint depth, bpp;
switch (v4lsrc->palette)
{
case VIDEO_PALETTE_RGB555:
bpp = 2;
depth = 15;
break;
case VIDEO_PALETTE_RGB565:
bpp = 2;
depth = 16;
break;
case VIDEO_PALETTE_RGB24:
bpp = 3;
depth = 24;
break;
case VIDEO_PALETTE_RGB32:
bpp = 4;
depth = 32;
break;
}
caps = gst_caps_new("v4lsrc_caps",
"video/raw",
gst_props_new(
"format", GST_PROPS_FOURCC(GST_MAKE_FOURCC('R','G','B',' ')),
"width", GST_PROPS_INT(v4lsrc->width),
"height", GST_PROPS_INT(v4lsrc->height),
"bpp", GST_PROPS_INT(bpp),
"depth", GST_PROPS_INT(depth),
NULL ) );
break;
}
default:
gst_element_error(GST_ELEMENT(v4lsrc),
"Failed to find a fourcc code for palette %d (\'%s\')",
v4lsrc->palette, palette_name[v4lsrc->palette]);
return GST_STATE_FAILURE;
}
}
else
{
GstCaps *oldcaps = gst_pad_get_caps(v4lsrc->srcpad);
if (gst_caps_get_fourcc_int(oldcaps, "format") == GST_MAKE_FOURCC('R','G','B',' '))
caps = gst_caps_new("v4lsrc_caps",
"video/raw",
gst_props_new(
"format", GST_PROPS_FOURCC(GST_MAKE_FOURCC('R','G','B',' ')),
"width", GST_PROPS_INT(v4lsrc->width),
"height", GST_PROPS_INT(v4lsrc->height),
"bpp", GST_PROPS_INT(gst_caps_get_int(oldcaps, "bpp")),
"depth", GST_PROPS_INT(gst_caps_get_int(oldcaps, "depth")),
NULL) );
else
caps = gst_caps_new("v4lsrc_caps",
"video/raw",
gst_props_new(
"format", GST_PROPS_FOURCC(gst_caps_get_fourcc_int(oldcaps, "format")),
"width", GST_PROPS_INT(v4lsrc->width),
"height", GST_PROPS_INT(v4lsrc->height),
NULL) );
}
if (!gst_pad_try_set_caps(v4lsrc->srcpad, caps))
{
gst_element_error(GST_ELEMENT(v4lsrc),
"Failed to set new caps");
return GST_STATE_FAILURE;
}
if (!gst_v4lsrc_capture_init(v4lsrc)) if (!gst_v4lsrc_capture_init(v4lsrc))
return GST_STATE_FAILURE; return GST_STATE_FAILURE;
break; break;
@ -568,23 +474,26 @@ gst_v4lsrc_change_state (GstElement *element)
if (!gst_v4lsrc_capture_deinit(v4lsrc)) if (!gst_v4lsrc_capture_deinit(v4lsrc))
return GST_STATE_FAILURE; return GST_STATE_FAILURE;
break; break;
case GST_STATE_READY_TO_NULL:
break;
} }
if (GST_ELEMENT_CLASS (parent_class)->change_state) if (GST_ELEMENT_CLASS (parent_class)->change_state)
parent_value = GST_ELEMENT_CLASS (parent_class)->change_state (element); GST_ELEMENT_CLASS (parent_class)->change_state (element);
if (GST_STATE_TRANSITION(element) == GST_STATE_NULL_TO_READY) /* FIXME, this gives a not supported error on my machine?
{ switch (transition) {
if ((GST_V4LELEMENT(v4lsrc)->norm >= VIDEO_MODE_PAL || case GST_STATE_NULL_TO_READY:
GST_V4LELEMENT(v4lsrc)->norm < VIDEO_MODE_AUTO) || if ((GST_V4LELEMENT(v4lsrc)->norm >= VIDEO_MODE_PAL ||
GST_V4LELEMENT(v4lsrc)->channel < 0) GST_V4LELEMENT(v4lsrc)->norm < VIDEO_MODE_AUTO) ||
if (!gst_v4l_set_chan_norm(GST_V4LELEMENT(v4lsrc), GST_V4LELEMENT(v4lsrc)->channel < 0)
0, GST_V4LELEMENT(v4lsrc)->norm)) if (!gst_v4l_set_chan_norm(GST_V4LELEMENT(v4lsrc),
return GST_STATE_FAILURE; 0, GST_V4LELEMENT(v4lsrc)->norm))
return GST_STATE_FAILURE;
break;
} }
*/
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return parent_value;
return GST_STATE_SUCCESS; return GST_STATE_SUCCESS;
} }
@ -656,7 +565,7 @@ plugin_init (GModule *module,
GST_MAKE_FOURCC('U','Y','V','Y'), /* VIDEO_PALETTE_UYVY */ GST_MAKE_FOURCC('U','Y','V','Y'), /* VIDEO_PALETTE_UYVY */
GST_MAKE_FOURCC('Y','4','1','P') /* VIDEO_PALETTE_YUV411 */ GST_MAKE_FOURCC('Y','4','1','P') /* VIDEO_PALETTE_YUV411 */
}; };
gint rgb_bpp[4] = { 2, 2, 3, 4 }; gint rgb_bpp[4] = { 16, 16, 24, 32 };
gint rgb_depth[4] = { 15, 16, 24, 32 }; gint rgb_depth[4] = { 15, 16, 24, 32 };
/* create an elementfactory for the v4lsrc */ /* create an elementfactory for the v4lsrc */