support cut for gstomxmjpegdec
This commit is contained in:
@@ -0,0 +1,194 @@
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Support cut property for omxmjpegdec
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Signed-off-by: Leo Lu <leo.lu@starfivetech.com>
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diff -purN a/omx/gstomxmjpegdec.c b/omx/gstomxmjpegdec.c
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--- a/omx/gstomxmjpegdec.c 2022-10-14 14:48:24.207804442 +0800
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+++ b/omx/gstomxmjpegdec.c 2022-10-14 14:46:42.979857812 +0800
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@@ -34,6 +34,8 @@ GST_DEBUG_CATEGORY_STATIC (gst_omx_mjpeg
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#define DEFAULT_ROTATION 0
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#define DEFAULT_SCALEH 0
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#define DEFAULT_SCALEV 0
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+#define DEFAULT_ROI ""
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+
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#endif
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/* prototypes */
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@@ -43,6 +45,8 @@ static gboolean
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gst_omx_jpegdec_set_rotation (GstOMXVideoDec * self);
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static gboolean
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gst_omx_jpegdec_set_mirror (GstOMXVideoDec * self);
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+static gboolean
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+gst_omx_jpegdec_set_roi (GstOMXVideoDec * self);
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static gboolean gst_omx_mjpeg_dec_is_format_change (GstOMXVideoDec * dec,
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GstOMXPort * port, GstVideoCodecState * state);
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static gboolean gst_omx_mjpeg_dec_set_format (GstOMXVideoDec * dec,
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@@ -65,6 +69,7 @@ enum
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PROP_SCALEH,
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PROP_SCALEV,
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PROP_ROTATION,
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+ PROP_ROI,
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};
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/* class initialization */
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@@ -194,6 +199,17 @@ gst_omx_mjpeg_dec_class_init (GstOMXMJPE
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GST_OMX_MJPEG_DEC_SCALE_MODE, DEFAULT_SCALEV,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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+ g_object_class_install_property (gobject_class, PROP_ROI,
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+ g_param_spec_string ("roi", "ROI",
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+ "Cutting image roi=<x>,<y>,<w>,<h> .\n \
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+ roi coord and width/height(from left top).\n \
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+ <x> X Coordinate of the top left corner of the rectangle.\n \
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+ <y> Y Coordinate of the top left corner of the rectangle.\n \
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+ <w> Width of the rectangle.\n \
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+ <h> Height of the rectangle.\n \
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+ EX:omxmjpegdec roi=0,0,800,480",
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+ DEFAULT_ROI, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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+
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gst_omx_set_default_role (&videodec_class->cdata, "video_decoder.mjpeg");
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}
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@@ -204,6 +220,7 @@ gst_omx_mjpeg_dec_init (GstOMXMJPEGDec *
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self->rotation = DEFAULT_ROTATION;
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self->scaleH = DEFAULT_SCALEH;
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self->scaleV = DEFAULT_SCALEV;
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+ memset (self->roi, 0, ROI_ARRAY_SIZE);
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}
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static gboolean
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@@ -240,6 +257,9 @@ gst_omx_mjpeg_dec_set_format (GstOMXVide
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if (!gst_omx_jpegdec_set_scale (dec))
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return FALSE;
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+
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+ if (!gst_omx_jpegdec_set_roi (dec))
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+ return FALSE;
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gst_omx_port_get_port_definition (port, &port_def);
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port_def.format.video.eCompressionFormat = OMX_VIDEO_CodingMJPEG;
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@@ -269,6 +289,9 @@ gst_omx_mjpeg_dec_set_property (GObject
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case PROP_SCALEV:
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mjpeg_dec->scaleV = g_value_get_enum (value);
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break;
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+ case PROP_ROI:
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+ strncpy (mjpeg_dec->roi, g_value_get_string (value), ROI_ARRAY_SIZE);
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+ break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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@@ -296,6 +319,9 @@ gst_omx_mjpeg_dec_get_property (GObject
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case PROP_SCALEV:
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g_value_set_enum (value, mjpeg_dec->scaleV);
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break;
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+ case PROP_ROI:
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+ g_value_set_string (value, mjpeg_dec->roi);
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+ break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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@@ -444,4 +470,81 @@ gst_omx_jpegdec_set_scale (GstOMXVideoDe
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GST_OBJECT_UNLOCK (self);
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return result;
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-}
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\ No newline at end of file
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+}
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+
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+static gboolean
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+gst_omx_jpegdec_set_roi (GstOMXVideoDec *self)
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+{
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+ OMX_ERRORTYPE err;
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+ OMX_CONFIG_RECTTYPE RectConfig;
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+ gboolean result = TRUE;
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+ GstOMXMJPEGDec * mjpeg_dec = GST_OMX_MJPEG_DEC (self);
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+ gchar* val;
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+ gchar roi_tmp[ROI_ARRAY_SIZE];
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+ strncpy (roi_tmp, mjpeg_dec->roi, ROI_ARRAY_SIZE);
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+
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+ GST_OBJECT_LOCK (self);
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+ GST_OMX_INIT_STRUCT (&RectConfig);
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+ RectConfig.nPortIndex = self->dec_out_port->index;
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+
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+ err =
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+ gst_omx_component_get_config (self->dec,
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+ OMX_IndexConfigCommonScale, &RectConfig);
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+ if (err == OMX_ErrorNone) {
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+ if (strlen (mjpeg_dec->roi) > 0) {
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+ val = strtok (roi_tmp, ",");
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+ if (val == NULL) {
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+ goto ROI_PARAM_ERROR;
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+ } else {
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+ RectConfig.nLeft = atoi (val);
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+ }
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+ val = strtok (NULL, ",");
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+ if (val == NULL) {
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+ goto ROI_PARAM_ERROR;
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+ } else {
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+ RectConfig.nTop = atoi (val);
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+ }
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+ val = strtok (NULL, ",");
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+ if (val == NULL) {
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+ goto ROI_PARAM_ERROR;
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+ } else {
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+ RectConfig.nWidth = atoi (val);
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+ }
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+ val = strtok (NULL, ",");
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+ if (val == NULL) {
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+ goto ROI_PARAM_ERROR;
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+ } else {
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+ RectConfig.nHeight = atoi (val);
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+ }
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+ } else {
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+ GST_OBJECT_UNLOCK (self);
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+ return TRUE;
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+ }
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+
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+ err =
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+ gst_omx_component_set_config (self->dec,
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+ OMX_IndexConfigCommonOutputCrop, &RectConfig);
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+ if (err == OMX_ErrorUnsupportedIndex) {
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+ GST_WARNING_OBJECT (self,
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+ "Setting a ROI not supported by the component");
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+ } else if (err == OMX_ErrorUnsupportedSetting) {
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+ GST_WARNING_OBJECT (self,
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+ "Setting ROI settings %s not supported by the component", mjpeg_dec->roi);
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+ } else if (err != OMX_ErrorNone) {
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+ GST_ERROR_OBJECT (self,
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+ "Failed to set ROI parameters: %s (0x%08x)", gst_omx_error_to_string (err), err);
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+ result = FALSE;
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+ }
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+ } else {
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+ GST_ERROR_OBJECT (self, "Failed to get ROI parameters: %s (0x%08x)",
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+ gst_omx_error_to_string (err), err);
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+ }
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+
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+ GST_OBJECT_UNLOCK (self);
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+ return result;
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+
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+ROI_PARAM_ERROR:
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+ GST_ERROR_OBJECT (self, "Invalid ROI parameter: %s", mjpeg_dec->roi);
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+ GST_OBJECT_UNLOCK (self);
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+ return FALSE;
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+}
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diff -purN a/omx/gstomxmjpegdec.h b/omx/gstomxmjpegdec.h
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--- a/omx/gstomxmjpegdec.h 2022-10-14 14:48:24.207804442 +0800
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+++ b/omx/gstomxmjpegdec.h 2022-10-14 14:42:09.876591323 +0800
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@@ -42,6 +42,8 @@ G_BEGIN_DECLS
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typedef struct _GstOMXMJPEGDec GstOMXMJPEGDec;
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typedef struct _GstOMXMJPEGDecClass GstOMXMJPEGDecClass;
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+#define ROI_ARRAY_SIZE 128
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+
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struct _GstOMXMJPEGDec
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{
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GstOMXVideoDec parent;
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@@ -59,6 +61,8 @@ struct _GstOMXMJPEGDec
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guint32 scaleH;
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guint32 scaleV;
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guint32 rotation;
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+ gchar roi[ROI_ARRAY_SIZE];
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+
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};
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struct _GstOMXMJPEGDecClass
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