mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-02 16:52:42 +00:00
Some more v4lsrc fixes.
Original commit message from CVS: Some more v4lsrc fixes.
This commit is contained in:
Wim Taymans
parent
27c702f5f3
commit
c5f2cbad83
1 changed files with 38 additions and 129 deletions
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@ -195,39 +195,47 @@ gst_v4lsrc_srcconnect (GstPad *pad,
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if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('I','4','2','0') &&
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gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('I','Y','U','V'))
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goto try_next;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 1.5;
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goto try_caps;
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case VIDEO_PALETTE_YUV422:
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case VIDEO_PALETTE_YUYV:
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if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('Y','U','Y','2'))
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goto try_next;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
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goto try_caps;
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case VIDEO_PALETTE_UYVY:
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if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('U','Y','V','Y'))
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goto try_next;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
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goto try_caps;
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case VIDEO_PALETTE_YUV411:
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if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('Y','4','1','P'))
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goto try_next;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 1.5;
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goto try_caps;
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case VIDEO_PALETTE_RGB555:
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if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('R','G','B',' ') ||
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gst_caps_get_int(caps, "depth") != 15)
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goto try_next;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
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goto try_caps;
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case VIDEO_PALETTE_RGB565:
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if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('R','G','B',' ') ||
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gst_caps_get_int(caps, "depth") != 16)
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goto try_next;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
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goto try_caps;
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case VIDEO_PALETTE_RGB24:
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if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('R','G','B',' ') ||
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gst_caps_get_int(caps, "depth") != 24)
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goto try_next;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 3;
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goto try_caps;
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case VIDEO_PALETTE_RGB32:
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if (gst_caps_get_fourcc_int (caps, "format") != GST_MAKE_FOURCC('R','G','B',' ') ||
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gst_caps_get_int(caps, "depth") != 32)
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goto try_next;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 4;
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goto try_caps;
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default:
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goto try_next;
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@ -240,30 +248,38 @@ gst_v4lsrc_srcconnect (GstPad *pad,
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case GST_MAKE_FOURCC('I','4','2','0'):
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case GST_MAKE_FOURCC('I','Y','U','V'):
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palette = VIDEO_PALETTE_YUV420P;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 1.5;
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goto try_caps;
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case GST_MAKE_FOURCC('Y','U','Y','2'):
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palette = VIDEO_PALETTE_YUV422;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
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goto try_caps;
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case GST_MAKE_FOURCC('U','Y','V','Y'):
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palette = VIDEO_PALETTE_UYVY;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
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goto try_caps;
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case GST_MAKE_FOURCC('Y','4','1','P'):
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palette = VIDEO_PALETTE_YUV411;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 1.5;
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goto try_caps;
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case GST_MAKE_FOURCC('R','G','B',' '):
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switch (gst_caps_get_int(caps, "depth"))
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{
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case 15:
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palette = VIDEO_PALETTE_RGB555;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
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goto try_caps;
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case 16:
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palette = VIDEO_PALETTE_RGB565;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 2;
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goto try_caps;
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case 24:
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palette = VIDEO_PALETTE_RGB24;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 3;
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goto try_caps;
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case 32:
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palette = VIDEO_PALETTE_RGB32;
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v4lsrc->buffer_size = v4lsrc->width * v4lsrc->height * 4;
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goto try_caps;
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default:
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goto try_next;
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@ -291,7 +307,7 @@ gst_v4lsrc_srcconnect (GstPad *pad,
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gst_props_new(
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"format", GST_PROPS_FOURCC(gst_caps_get_fourcc_int(caps, "format")),
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"width", GST_PROPS_INT(v4lsrc->width),
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"width", GST_PROPS_INT(v4lsrc->height),
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"height", GST_PROPS_INT(v4lsrc->height),
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"bpp", GST_PROPS_INT(gst_caps_get_int(caps, "bpp")),
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"depth", GST_PROPS_INT(gst_caps_get_int(caps, "depth")),
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NULL ) );
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@ -304,6 +320,8 @@ gst_v4lsrc_srcconnect (GstPad *pad,
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"height", GST_PROPS_INT(v4lsrc->height),
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NULL ) );
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gst_caps_debug (newcaps);
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if (!gst_pad_try_set_caps(v4lsrc->srcpad, newcaps))
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continue;
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else
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@ -428,128 +446,16 @@ gst_v4lsrc_change_state (GstElement *element)
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GstV4lSrc *v4lsrc;
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GstElementStateReturn parent_value;
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GstCaps *caps;
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gint transition = GST_STATE_TRANSITION (element);
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g_return_val_if_fail(GST_IS_V4LSRC(element), GST_STATE_FAILURE);
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v4lsrc = GST_V4LSRC(element);
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switch (GST_STATE_TRANSITION(element)) {
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switch (transition) {
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case GST_STATE_NULL_TO_READY:
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break;
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case GST_STATE_READY_TO_PAUSED:
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/* set capture parameters and mmap the buffers */
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if (!gst_v4lsrc_set_capture(v4lsrc, v4lsrc->width, v4lsrc->height,
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v4lsrc->palette>0 ? v4lsrc->palette : v4lsrc->mmap.format))
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return GST_STATE_FAILURE;
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/* retry setting the video-palette */
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if (v4lsrc->palette > 0)
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{
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switch (v4lsrc->palette)
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{
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case VIDEO_PALETTE_YUYV:
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case VIDEO_PALETTE_UYVY:
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case VIDEO_PALETTE_YUV422:
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case VIDEO_PALETTE_YUV420P:
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case VIDEO_PALETTE_YUV411:
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{
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gulong format;
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switch (v4lsrc->palette)
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{
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case VIDEO_PALETTE_YUYV:
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format = GST_MAKE_FOURCC('Y','U','Y','2');
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break;
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case VIDEO_PALETTE_UYVY:
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format = GST_MAKE_FOURCC('U','Y','V','Y');
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break;
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case VIDEO_PALETTE_YUV422:
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format = GST_MAKE_FOURCC('Y','U','Y','2');
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break;
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case VIDEO_PALETTE_YUV420P:
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format = GST_MAKE_FOURCC('I','4','2','0');
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break;
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case VIDEO_PALETTE_YUV411:
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format = GST_MAKE_FOURCC('Y','4','1','P');
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break;
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}
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caps = gst_caps_new("v4lsrc_caps",
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"video/raw",
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gst_props_new(
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"format", GST_PROPS_FOURCC(format),
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"width", GST_PROPS_INT(v4lsrc->width),
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"height", GST_PROPS_INT(v4lsrc->height),
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NULL ) );
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break;
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}
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case VIDEO_PALETTE_RGB555:
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case VIDEO_PALETTE_RGB565:
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case VIDEO_PALETTE_RGB24:
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case VIDEO_PALETTE_RGB32:
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{
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gint depth, bpp;
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switch (v4lsrc->palette)
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{
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case VIDEO_PALETTE_RGB555:
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bpp = 2;
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depth = 15;
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break;
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case VIDEO_PALETTE_RGB565:
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bpp = 2;
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depth = 16;
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break;
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case VIDEO_PALETTE_RGB24:
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bpp = 3;
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depth = 24;
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break;
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case VIDEO_PALETTE_RGB32:
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bpp = 4;
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depth = 32;
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break;
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}
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caps = gst_caps_new("v4lsrc_caps",
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"video/raw",
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gst_props_new(
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"format", GST_PROPS_FOURCC(GST_MAKE_FOURCC('R','G','B',' ')),
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"width", GST_PROPS_INT(v4lsrc->width),
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"height", GST_PROPS_INT(v4lsrc->height),
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"bpp", GST_PROPS_INT(bpp),
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"depth", GST_PROPS_INT(depth),
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NULL ) );
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break;
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}
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default:
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gst_element_error(GST_ELEMENT(v4lsrc),
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"Failed to find a fourcc code for palette %d (\'%s\')",
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v4lsrc->palette, palette_name[v4lsrc->palette]);
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return GST_STATE_FAILURE;
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}
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}
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else
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{
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GstCaps *oldcaps = gst_pad_get_caps(v4lsrc->srcpad);
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if (gst_caps_get_fourcc_int(oldcaps, "format") == GST_MAKE_FOURCC('R','G','B',' '))
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caps = gst_caps_new("v4lsrc_caps",
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"video/raw",
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gst_props_new(
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"format", GST_PROPS_FOURCC(GST_MAKE_FOURCC('R','G','B',' ')),
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"width", GST_PROPS_INT(v4lsrc->width),
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"height", GST_PROPS_INT(v4lsrc->height),
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"bpp", GST_PROPS_INT(gst_caps_get_int(oldcaps, "bpp")),
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"depth", GST_PROPS_INT(gst_caps_get_int(oldcaps, "depth")),
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NULL) );
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else
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caps = gst_caps_new("v4lsrc_caps",
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"video/raw",
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gst_props_new(
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"format", GST_PROPS_FOURCC(gst_caps_get_fourcc_int(oldcaps, "format")),
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"width", GST_PROPS_INT(v4lsrc->width),
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"height", GST_PROPS_INT(v4lsrc->height),
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NULL) );
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}
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if (!gst_pad_try_set_caps(v4lsrc->srcpad, caps))
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{
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gst_element_error(GST_ELEMENT(v4lsrc),
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"Failed to set new caps");
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return GST_STATE_FAILURE;
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}
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if (!gst_v4lsrc_capture_init(v4lsrc))
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return GST_STATE_FAILURE;
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break;
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@ -568,23 +474,26 @@ gst_v4lsrc_change_state (GstElement *element)
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if (!gst_v4lsrc_capture_deinit(v4lsrc))
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return GST_STATE_FAILURE;
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break;
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case GST_STATE_READY_TO_NULL:
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break;
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}
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if (GST_ELEMENT_CLASS (parent_class)->change_state)
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parent_value = GST_ELEMENT_CLASS (parent_class)->change_state (element);
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GST_ELEMENT_CLASS (parent_class)->change_state (element);
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if (GST_STATE_TRANSITION(element) == GST_STATE_NULL_TO_READY)
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{
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if ((GST_V4LELEMENT(v4lsrc)->norm >= VIDEO_MODE_PAL ||
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GST_V4LELEMENT(v4lsrc)->norm < VIDEO_MODE_AUTO) ||
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GST_V4LELEMENT(v4lsrc)->channel < 0)
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if (!gst_v4l_set_chan_norm(GST_V4LELEMENT(v4lsrc),
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0, GST_V4LELEMENT(v4lsrc)->norm))
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return GST_STATE_FAILURE;
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/* FIXME, this gives a not supported error on my machine?
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switch (transition) {
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case GST_STATE_NULL_TO_READY:
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if ((GST_V4LELEMENT(v4lsrc)->norm >= VIDEO_MODE_PAL ||
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GST_V4LELEMENT(v4lsrc)->norm < VIDEO_MODE_AUTO) ||
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GST_V4LELEMENT(v4lsrc)->channel < 0)
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if (!gst_v4l_set_chan_norm(GST_V4LELEMENT(v4lsrc),
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0, GST_V4LELEMENT(v4lsrc)->norm))
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return GST_STATE_FAILURE;
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break;
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}
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*/
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if (GST_ELEMENT_CLASS (parent_class)->change_state)
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return parent_value;
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return GST_STATE_SUCCESS;
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}
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@ -656,7 +565,7 @@ plugin_init (GModule *module,
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GST_MAKE_FOURCC('U','Y','V','Y'), /* VIDEO_PALETTE_UYVY */
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GST_MAKE_FOURCC('Y','4','1','P') /* VIDEO_PALETTE_YUV411 */
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};
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gint rgb_bpp[4] = { 2, 2, 3, 4 };
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gint rgb_bpp[4] = { 16, 16, 24, 32 };
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gint rgb_depth[4] = { 15, 16, 24, 32 };
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/* create an elementfactory for the v4lsrc */
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