niimaqdx: add back in set_caps/get_caps, and improve caps handling
This commit is contained in:
Joshua M. Doe
parent
fca5b782ec
commit
2e485ee44e
@ -72,7 +72,7 @@ static GParamSpec *properties[PROP_LAST];
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/* the capabilities of the inputs and outputs */
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static GstStaticPadTemplate gst_videolevels_src_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw, "
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@ -81,13 +81,20 @@ GST_STATIC_PAD_TEMPLATE ("sink",
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"width = " GST_VIDEO_SIZE_RANGE ", "
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"height = " GST_VIDEO_SIZE_RANGE ", "
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"framerate = " GST_VIDEO_FPS_RANGE)
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//";"
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// "video/x-bayer,format=(string){bggr16,grbg16,gbrg16,rggb16},"
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// "bpp=(int){10,12,14,16},endianness={1234,4321},"
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// "width=(int)[1,MAX],height=(int)[1,MAX],framerate=(fraction)[0/1,MAX]")
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);
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static GstStaticPadTemplate gst_videolevels_sink_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("GRAY8"))
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//";"
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// "video/x-bayer,format=(string){bggr,grbg,gbrg,rggb},"
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// "width=(int)[1,MAX],height=(int)[1,MAX],framerate=(fraction)[0/1,MAX]")
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);
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#define GST_TYPE_VIDEOLEVELS_AUTO (gst_videolevels_auto_get_type())
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@ -60,12 +60,6 @@ enum
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#define DEFAULT_PROP_RING_BUFFER_COUNT 3
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#define DEFAULT_PROP_ATTRIBUTES ""
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static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("ANY")
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);
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static void gst_niimaqdxsrc_init_interfaces (GType type);
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G_DEFINE_TYPE (GstNiImaqDxSrc, gst_niimaqdxsrc, GST_TYPE_PUSH_SRC);
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@ -81,12 +75,14 @@ static void gst_niimaqdxsrc_get_property (GObject * object, guint prop_id,
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static gboolean gst_niimaqdxsrc_start (GstBaseSrc * src);
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static gboolean gst_niimaqdxsrc_stop (GstBaseSrc * src);
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static gboolean gst_niimaqdxsrc_query (GstBaseSrc * src, GstQuery * query);
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static GstCaps *gst_niimaqdxsrc_get_caps (GstBaseSrc * bsrc,
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GstCaps * caps_filter);
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static gboolean gst_niimaqdxsrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps);
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/* GstPushSrc virtual methods */
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static GstFlowReturn gst_niimaqdxsrc_fill (GstPushSrc * src, GstBuffer * buf);
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/* GstNiImaqDx methods */
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static gboolean gst_niimaqdxsrc_set_caps (GstNiImaqDxSrc * niimaqdxsrc);
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static GstCaps *gst_niimaqdxsrc_get_cam_caps (GstNiImaqDxSrc * src);
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static gboolean gst_niimaqdxsrc_close_interface (GstNiImaqDxSrc * niimaqdxsrc);
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static void gst_niimaqdxsrc_reset (GstNiImaqDxSrc * niimaqdxsrc);
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@ -142,12 +138,21 @@ gst_niimaqdxsrc_frame_done_callback (IMAQdxSession session, uInt32 bufferNumber,
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return 1;
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}
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#define GST_VIDEO_CAPS_BAYER(format) \
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"video/x-bayer, " \
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"format = " format "," \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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#define VIDEO_CAPS_MAKE_BAYER8(format) \
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"video/x-bayer, " \
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"format = (string) { " format " }, " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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#define VIDEO_CAPS_MAKE_BAYER16(format,endianness) \
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"video/x-bayer, " \
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"format = (string) { " format " }, " \
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"endianness = (int) { " endianness " }, " \
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"bpp = (int) {16, 14, 12, 10}, " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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ImaqDxCapsInfo imaq_dx_caps_infos[] = {
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{"Mono 8", 0, GST_VIDEO_CAPS_MAKE ("GRAY8"), 8, 8, 4}
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@ -161,10 +166,10 @@ ImaqDxCapsInfo imaq_dx_caps_infos[] = {
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,
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{"YUV 422 Packed", 0, GST_VIDEO_CAPS_MAKE ("UYVY"), 16, 16, 4}
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,
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{"Bayer BG 8", 0, GST_VIDEO_CAPS_BAYER ("bggr"), 8, 8, 1}
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{"Bayer BG 8", 0, VIDEO_CAPS_MAKE_BAYER8 ("bggr"), 8, 8, 1}
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,
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//TODO: use a caps string that agrees with Aravis
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{"Bayer BG 16", 0, GST_VIDEO_CAPS_BAYER ("bggr16"), 16, 16, 1}
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{"Bayer BG 16", 0, VIDEO_CAPS_MAKE_BAYER16 ("bggr16", "1234"), 16, 16, 1}
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};
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static ImaqDxCapsInfo *
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@ -379,8 +384,17 @@ gst_niimaqdxsrc_class_init (GstNiImaqDxSrcClass * klass)
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"Attributes", "Initial attributes to set", DEFAULT_PROP_ATTRIBUTES,
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G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&src_factory));
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{
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GstCaps *caps = gst_caps_new_empty ();
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int i;
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for (i = 0; i < G_N_ELEMENTS (imaq_dx_caps_infos); i++) {
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ImaqDxCapsInfo *info = &imaq_dx_caps_infos[i];
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gst_caps_append (caps, gst_caps_from_string (info->gst_caps_string));
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}
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gst_element_class_add_pad_template (gstelement_class,
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gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, caps));
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}
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gst_element_class_set_static_metadata (gstelement_class,
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"NI-IMAQdx Video Source", "Source/Video",
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@ -391,6 +405,8 @@ gst_niimaqdxsrc_class_init (GstNiImaqDxSrcClass * klass)
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gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_niimaqdxsrc_start);
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gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_niimaqdxsrc_stop);
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gstbasesrc_class->query = GST_DEBUG_FUNCPTR (gst_niimaqdxsrc_query);
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gstbasesrc_class->get_caps = GST_DEBUG_FUNCPTR (gst_niimaqdxsrc_get_caps);
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gstbasesrc_class->set_caps = GST_DEBUG_FUNCPTR (gst_niimaqdxsrc_set_caps);
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/* install GstPushSrc vmethod implementations */
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gstpushsrc_class->fill = GST_DEBUG_FUNCPTR (gst_niimaqdxsrc_fill);
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@ -501,50 +517,6 @@ gst_niimaqdxsrc_get_property (GObject * object, guint prop_id, GValue * value,
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}
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}
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gboolean
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gst_niimaqdxsrc_set_caps (GstNiImaqDxSrc * niimaqdxsrc)
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{
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gboolean res = TRUE;
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GstStructure *structure;
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const char *pixel_format;
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int endianness;
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GstCaps *caps;
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caps = gst_niimaqdxsrc_get_cam_caps (niimaqdxsrc);
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structure = gst_caps_get_structure (caps, 0);
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gst_structure_get_int (structure, "width", &niimaqdxsrc->width);
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gst_structure_get_int (structure, "height", &niimaqdxsrc->height);
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pixel_format = gst_niimaqdxsrc_pixel_format_from_caps (caps, &endianness);
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g_assert (pixel_format);
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niimaqdxsrc->caps_info =
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gst_niimaqdxsrc_get_caps_info (pixel_format, endianness);
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niimaqdxsrc->dx_row_stride =
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gst_niimaqdxsrc_pixel_format_get_stride (pixel_format, endianness,
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niimaqdxsrc->width);
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niimaqdxsrc->dx_framesize = niimaqdxsrc->dx_row_stride * niimaqdxsrc->height;
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if (niimaqdxsrc->temp_buffer)
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g_free (niimaqdxsrc->temp_buffer);
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niimaqdxsrc->temp_buffer = g_malloc (niimaqdxsrc->dx_framesize);
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GST_DEBUG ("Size %dx%d", niimaqdxsrc->width, niimaqdxsrc->height);
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GST_LOG_OBJECT (niimaqdxsrc, "Caps set, framesize=%d",
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niimaqdxsrc->dx_framesize);
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GST_LOG_OBJECT (niimaqdxsrc, "Setting srcpad caps to %" GST_PTR_FORMAT, caps);
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gst_pad_set_caps (GST_BASE_SRC_PAD (niimaqdxsrc), caps);
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return res;
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}
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static void
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gst_niimaqdxsrc_reset (GstNiImaqDxSrc * niimaqdxsrc)
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{
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@ -912,7 +884,6 @@ gst_niimaqdxsrc_start (GstBaseSrc * src)
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GstNiImaqDxSrc *niimaqdxsrc = GST_NIIMAQDXSRC (src);
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IMAQdxError rval;
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gint i;
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gboolean ret;
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gst_niimaqdxsrc_reset (niimaqdxsrc);
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@ -964,9 +935,7 @@ gst_niimaqdxsrc_start (GstBaseSrc * src)
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gst_niimaqdxsrc_set_dx_attributes (niimaqdxsrc);
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ret = gst_niimaqdxsrc_set_caps (niimaqdxsrc);
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return ret;
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return TRUE;
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error:
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gst_niimaqdxsrc_close_interface (niimaqdxsrc);
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@ -1011,24 +980,23 @@ gst_niimaqdxsrc_stop (GstBaseSrc * src)
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}
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static gboolean
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gst_niimaqdxsrc_query (GstBaseSrc * src, GstQuery * query)
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gst_niimaqdxsrc_query (GstBaseSrc * bsrc, GstQuery * query)
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{
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GstNiImaqDxSrc *niimaqdxsrc = GST_NIIMAQDXSRC (src);
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GstNiImaqDxSrc *src = GST_NIIMAQDXSRC (bsrc);
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gboolean res;
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switch (GST_QUERY_TYPE (query)) {
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case GST_QUERY_LATENCY:{
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if (!niimaqdxsrc->session_started) {
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GST_WARNING_OBJECT (niimaqdxsrc,
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"Can't give latency since device isn't open!");
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if (!src->session_started) {
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GST_WARNING_OBJECT (src, "Can't give latency since device isn't open!");
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res = FALSE;
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} else {
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GstClockTime min_latency, max_latency;
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/* TODO: this is a ballpark figure, estimate from FVAL times */
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min_latency = 33 * GST_MSECOND;
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max_latency = 33 * GST_MSECOND * niimaqdxsrc->ringbuffer_count;
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max_latency = 33 * GST_MSECOND * src->ringbuffer_count;
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GST_LOG_OBJECT (niimaqdxsrc,
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GST_LOG_OBJECT (src,
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"report latency min %" GST_TIME_FORMAT " max %" GST_TIME_FORMAT,
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GST_TIME_ARGS (min_latency), GST_TIME_ARGS (max_latency));
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@ -1038,13 +1006,78 @@ gst_niimaqdxsrc_query (GstBaseSrc * src, GstQuery * query)
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}
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}
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default:
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res = FALSE;
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res =
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GST_BASE_SRC_CLASS (gst_niimaqdxsrc_parent_class)->query (bsrc,
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query);
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break;
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}
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return res;
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}
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static GstCaps *
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gst_niimaqdxsrc_get_caps (GstBaseSrc * bsrc, GstCaps * filter_caps)
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{
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GstNiImaqDxSrc *src = GST_NIIMAQDXSRC (bsrc);
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GstCaps *caps;
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if (!src->session) {
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caps = gst_pad_get_pad_template_caps (GST_BASE_SRC_PAD (src));
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} else
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caps = gst_niimaqdxsrc_get_cam_caps (src);
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GST_DEBUG_OBJECT (bsrc, "get_caps, pre-filter=%" GST_PTR_FORMAT, caps);
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if (filter_caps) {
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GstCaps *tmp = gst_caps_intersect (caps, filter_caps);
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gst_caps_unref (caps);
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caps = tmp;
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}
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GST_DEBUG_OBJECT (bsrc,
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"with filter %" GST_PTR_FORMAT ", post-filter=%" GST_PTR_FORMAT,
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filter_caps, caps);
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return caps;
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}
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static gboolean
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gst_niimaqdxsrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
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{
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GstNiImaqDxSrc *src = GST_NIIMAQDXSRC (bsrc);
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GstStructure *structure;
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const char *pixel_format;
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int endianness;
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GST_DEBUG_OBJECT (src, "set_caps with caps=%" GST_PTR_FORMAT, caps);
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structure = gst_caps_get_structure (caps, 0);
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gst_structure_get_int (structure, "width", &src->width);
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gst_structure_get_int (structure, "height", &src->height);
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pixel_format = gst_niimaqdxsrc_pixel_format_from_caps (caps, &endianness);
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g_assert (pixel_format);
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src->caps_info = gst_niimaqdxsrc_get_caps_info (pixel_format, endianness);
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src->dx_row_stride =
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gst_niimaqdxsrc_pixel_format_get_stride (pixel_format, endianness,
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src->width);
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src->dx_framesize = src->dx_row_stride * src->height;
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if (src->temp_buffer)
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g_free (src->temp_buffer);
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src->temp_buffer = g_malloc (src->dx_framesize);
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GST_DEBUG ("Size %dx%d", src->width, src->height);
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GST_LOG_OBJECT (src, "Caps set, framesize=%d", src->dx_framesize);
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return TRUE;
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}
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/**
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* gst_niimaqdxsrc_close_interface:
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* niimaqdxsrc: #GstNiImaqDxSrc instance
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