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v4l2: Also set colorimetry on output devices
This completes the code that set the colorimetry on output device.
This commit is contained in:
Nicolas Dufresne
parent
87a4884acd
commit
0f81b2e99c
1 changed files with 127 additions and 12 deletions
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@ -2814,6 +2814,9 @@ gst_v4l2_object_set_format_full (GstV4l2Object * v4l2object, GstCaps * caps,
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gint i = 0;
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gint i = 0;
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gboolean is_mplane;
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gboolean is_mplane;
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enum v4l2_colorspace colorspace = 0;
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enum v4l2_colorspace colorspace = 0;
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enum v4l2_quantization range = 0;
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enum v4l2_ycbcr_encoding matrix = 0;
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enum v4l2_xfer_func transfer = 0;
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GST_V4L2_CHECK_OPEN (v4l2object);
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GST_V4L2_CHECK_OPEN (v4l2object);
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if (!try_only)
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if (!try_only)
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@ -2851,14 +2854,118 @@ gst_v4l2_object_set_format_full (GstV4l2Object * v4l2object, GstCaps * caps,
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}
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}
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if (V4L2_TYPE_IS_OUTPUT (v4l2object->type)) {
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if (V4L2_TYPE_IS_OUTPUT (v4l2object->type)) {
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/* We should set colorspace if we have it */
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/* We first pick th main colorspace from the primaries */
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if (gst_video_colorimetry_matches (&info.colorimetry, "bt601")) {
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switch (info.colorimetry.primaries) {
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colorspace = V4L2_COLORSPACE_SMPTE170M;
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case GST_VIDEO_COLOR_PRIMARIES_BT709:
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} else if (gst_video_colorimetry_matches (&info.colorimetry, "bt709")) {
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/* There is two colorspaces using these primaries, use the range to
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colorspace = V4L2_COLORSPACE_REC709;
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* differentiate */
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} else if (gst_video_colorimetry_matches (&info.colorimetry, "smpte240m")) {
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if (info.colorimetry.range == GST_VIDEO_COLOR_RANGE_16_235)
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colorspace = V4L2_COLORSPACE_SMPTE240M;
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colorspace = V4L2_COLORSPACE_REC709;
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} else {
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else
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colorspace = V4L2_COLORSPACE_SRGB;
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break;
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case GST_VIDEO_COLOR_PRIMARIES_BT470M:
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colorspace = V4L2_COLORSPACE_470_SYSTEM_M;
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break;
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case GST_VIDEO_COLOR_PRIMARIES_BT470BG:
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colorspace = V4L2_COLORSPACE_470_SYSTEM_BG;
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break;
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case GST_VIDEO_COLOR_PRIMARIES_SMPTE170M:
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colorspace = V4L2_COLORSPACE_SMPTE170M;
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break;
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case GST_VIDEO_COLOR_PRIMARIES_SMPTE240M:
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colorspace = V4L2_COLORSPACE_SMPTE240M;
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break;
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case GST_VIDEO_COLOR_PRIMARIES_FILM:
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case GST_VIDEO_COLOR_PRIMARIES_UNKNOWN:
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/* We don't know, we will guess */
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break;
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default:
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GST_WARNING_OBJECT (v4l2object->element,
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"Unknown colorimetry primaries %d", info.colorimetry.primaries);
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break;
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}
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switch (info.colorimetry.range) {
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case GST_VIDEO_COLOR_RANGE_0_255:
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range = V4L2_QUANTIZATION_FULL_RANGE;
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break;
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case GST_VIDEO_COLOR_RANGE_16_235:
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range = V4L2_QUANTIZATION_LIM_RANGE;
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break;
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case GST_VIDEO_COLOR_RANGE_UNKNOWN:
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/* We let the driver pick a default one */
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break;
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default:
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GST_WARNING_OBJECT (v4l2object->element,
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"Unknown colorimetry range %d", info.colorimetry.range);
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break;
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}
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switch (info.colorimetry.matrix) {
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case GST_VIDEO_COLOR_MATRIX_RGB:
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/* Unspecified, leave to default */
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break;
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/* FCC is about the same as BT601 with less digit */
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case GST_VIDEO_COLOR_MATRIX_FCC:
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case GST_VIDEO_COLOR_MATRIX_BT601:
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matrix = V4L2_YCBCR_ENC_601;
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break;
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case GST_VIDEO_COLOR_MATRIX_BT709:
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matrix = V4L2_YCBCR_ENC_709;
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break;
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case GST_VIDEO_COLOR_MATRIX_SMPTE240M:
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matrix = V4L2_YCBCR_ENC_SMPTE240M;
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break;
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case GST_VIDEO_COLOR_MATRIX_BT2020:
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matrix = V4L2_YCBCR_ENC_BT2020;
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break;
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case GST_VIDEO_COLOR_MATRIX_UNKNOWN:
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/* We let the driver pick a default one */
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break;
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default:
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GST_WARNING_OBJECT (v4l2object->element,
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"Unknown colorimetry matrix %d", info.colorimetry.matrix);
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break;
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}
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switch (info.colorimetry.transfer) {
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case GST_VIDEO_TRANSFER_GAMMA18:
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case GST_VIDEO_TRANSFER_GAMMA20:
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case GST_VIDEO_TRANSFER_GAMMA22:
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case GST_VIDEO_TRANSFER_GAMMA28:
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GST_WARNING_OBJECT (v4l2object->element,
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"GAMMA 18, 20, 22, 28 transfer functions not supported");
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case GST_VIDEO_TRANSFER_GAMMA10:
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transfer = V4L2_XFER_FUNC_NONE;
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break;
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case GST_VIDEO_TRANSFER_BT709:
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transfer = V4L2_XFER_FUNC_709;
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break;
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case GST_VIDEO_TRANSFER_SMPTE240M:
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transfer = V4L2_XFER_FUNC_SMPTE240M;
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break;
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case GST_VIDEO_TRANSFER_SRGB:
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transfer = V4L2_XFER_FUNC_SRGB;
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break;
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case GST_VIDEO_TRANSFER_LOG100:
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case GST_VIDEO_TRANSFER_LOG316:
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GST_WARNING_OBJECT (v4l2object->element,
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"LOG 100, 316 transfer functions not supported");
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/* FIXME No known sensible default, maybe AdobeRGB ? */
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break;
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case GST_VIDEO_TRANSFER_UNKNOWN:
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/* We let the driver pick a default one */
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break;
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default:
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GST_WARNING_OBJECT (v4l2object->element,
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"Unknown colorimetry tranfer %d", info.colorimetry.transfer);
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break;
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}
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if (colorspace == 0) {
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/* Try to guess colorspace according to pixelformat and size */
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/* Try to guess colorspace according to pixelformat and size */
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if (GST_VIDEO_INFO_IS_YUV (&info)) {
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if (GST_VIDEO_INFO_IS_YUV (&info)) {
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/* SD streams likely use SMPTE170M and HD streams REC709 */
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/* SD streams likely use SMPTE170M and HD streams REC709 */
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@ -2868,6 +2975,7 @@ gst_v4l2_object_set_format_full (GstV4l2Object * v4l2object, GstCaps * caps,
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colorspace = V4L2_COLORSPACE_REC709;
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colorspace = V4L2_COLORSPACE_REC709;
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} else if (GST_VIDEO_INFO_IS_RGB (&info)) {
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} else if (GST_VIDEO_INFO_IS_RGB (&info)) {
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colorspace = V4L2_COLORSPACE_SRGB;
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colorspace = V4L2_COLORSPACE_SRGB;
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transfer = V4L2_XFER_FUNC_NONE;
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}
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}
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}
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}
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}
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}
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@ -2939,13 +3047,20 @@ gst_v4l2_object_set_format_full (GstV4l2Object * v4l2object, GstCaps * caps,
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#endif
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#endif
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if (V4L2_TYPE_IS_OUTPUT (v4l2object->type)) {
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if (V4L2_TYPE_IS_OUTPUT (v4l2object->type)) {
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if (is_mplane)
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if (is_mplane) {
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format.fmt.pix_mp.colorspace = colorspace;
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format.fmt.pix_mp.colorspace = colorspace;
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else
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format.fmt.pix_mp.quantization = range;
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format.fmt.pix_mp.ycbcr_enc = matrix;
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format.fmt.pix_mp.xfer_func = transfer;
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} else {
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format.fmt.pix.colorspace = colorspace;
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format.fmt.pix.colorspace = colorspace;
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format.fmt.pix.quantization = range;
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format.fmt.pix.ycbcr_enc = matrix;
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format.fmt.pix.xfer_func = transfer;
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}
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GST_DEBUG_OBJECT (v4l2object->element, "Desired colorspace is %d",
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GST_DEBUG_OBJECT (v4l2object->element, "Desired colorspace is %d:%d:%d:%d",
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colorspace);
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colorspace, range, matrix, transfer);
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}
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}
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if (try_only) {
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if (try_only) {
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