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- From 6b7d167c0ef5d376064a18c76e1a408158c85971 Mon Sep 17 00:00:00 2001
- From: Som Qin <som.qin@starfivetech.com>
- Date: Wed, 18 Oct 2023 09:25:41 +0800
- Subject: [PATCH] Set a env "SF_OMX_SLICE" when nSliceHeight > nFrameHeight in
- dec output port.
- Env variables are set to bypass the negotiation mechanism to direct display
- with drm(kmssink).
- Signed-off-by: Som Qin <som.qin@starfivetech.com>
- ---
- omx/gstomxvideodec.c | 22 +++++++++++++++++++++-
- 1 file changed, 21 insertions(+), 1 deletion(-)
- diff --git a/omx/gstomxvideodec.c b/omx/gstomxvideodec.c
- index 6224e09..57e5b5c 100644
- --- a/omx/gstomxvideodec.c
- +++ b/omx/gstomxvideodec.c
- @@ -1054,6 +1054,8 @@ gst_omx_video_dec_allocate_output_buffers (GstOMXVideoDec * self)
- GList *images = NULL;
- GList *frames = NULL;
- GstVideoInfo v_info;
- + OMX_PARAM_PORTDEFINITIONTYPE port_def;
- + guint frame_height, frame_slice;
- gint i;
-
- if (!gst_video_info_from_caps (&v_info, caps)) {
- @@ -1063,6 +1065,15 @@ gst_omx_video_dec_allocate_output_buffers (GstOMXVideoDec * self)
- self->use_buffers = FALSE;
- }
-
- + gst_omx_port_get_port_definition (self->dec_out_port, &port_def);
- + frame_slice = port_def.format.video.nSliceHeight;
- + frame_height = port_def.format.video.nFrameHeight;
- + if (frame_slice && (frame_slice > frame_height)) {
- + v_info.size = v_info.size / frame_height * frame_slice;
- + for (i = 0; i < GST_VIDEO_MAX_PLANES; i++)
- + v_info.offset[i] = v_info.offset[i] / frame_height * frame_slice;
- + }
- +
- GST_DEBUG_OBJECT (self, "Trying to use %d buffers", min);
-
- for (i = 0; i < min && self->use_buffers; i++) {
- @@ -1345,7 +1356,7 @@ gst_omx_video_dec_reconfigure_output_port (GstOMXVideoDec * self)
- OMX_PARAM_PORTDEFINITIONTYPE port_def;
- GstVideoFormat format;
- GstVideoInterlaceMode interlace_mode;
- - guint frame_height;
- + guint frame_height, frame_slice;
-
- /* At this point the decoder output port is disabled */
- interlace_mode = gst_omx_video_dec_get_output_interlace_info (self);
- @@ -1589,6 +1600,15 @@ gst_omx_video_dec_reconfigure_output_port (GstOMXVideoDec * self)
- interlace_mode = GST_VIDEO_INTERLACE_MODE_ALTERNATE;
- }
-
- + frame_slice = port_def.format.video.nSliceHeight;
- + if (frame_slice && (frame_slice > frame_height)) {
- + char string[32];
- + sprintf(string, "%d", frame_slice);
- + setenv ("SF_OMX_SLICE", string, 1);
- + } else {
- + unsetenv ("SF_OMX_SLICE");
- + }
- +
- GST_DEBUG_OBJECT (self,
- "Setting output state: format %s (%d), width %u, height %u",
- gst_video_format_to_string (format),
- --
- 2.25.1
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