43 lines
1.6 KiB
Diff
43 lines
1.6 KiB
Diff
From 226d10bbfa79e92aaca8bdf64ec2e0aebbfe7610 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Sun, 10 Jan 2021 19:05:17 +0000
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Subject: [PATCH] staging/vchiq-mmal: Add buffer flags for interlaced
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video
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Add the buffer flags that the firmware uses to identify fields
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on interlaced video
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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.../vc04_services/vchiq-mmal/mmal-msg.h | 19 +++++++++++++++++++
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1 file changed, 19 insertions(+)
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--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-msg.h
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+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-msg.h
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@@ -253,6 +253,25 @@ struct mmal_msg_port_action_reply {
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/* Signals that a buffer failed to be transmitted */
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#define MMAL_BUFFER_HEADER_FLAG_TRANSMISSION_FAILED BIT(10)
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+/* Video buffer header flags
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+ * videobufferheaderflags
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+ * The following flags describe properties of a video buffer header.
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+ * As there is no collision with the MMAL_BUFFER_HEADER_FLAGS_ defines, these
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+ * flags will also be present in the MMAL_BUFFER_HEADER_T flags field.
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+ */
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+#define MMAL_BUFFER_HEADER_FLAG_FORMAT_SPECIFIC_START_BIT 16
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+#define MMAL_BUFFER_HEADER_FLAG_FORMAT_SPECIFIC_START \
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+ (1 << MMAL_BUFFER_HEADER_FLAG_FORMAT_SPECIFIC_START_BIT)
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+/* Signals an interlaced video frame */
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+#define MMAL_BUFFER_HEADER_VIDEO_FLAG_INTERLACED \
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+ (MMAL_BUFFER_HEADER_FLAG_FORMAT_SPECIFIC_START << 0)
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+/*
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+ * Signals that the top field of the current interlaced frame should be
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+ * displayed first
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+ */
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+#define MMAL_BUFFER_HEADER_VIDEO_FLAG_TOP_FIELD_FIRST \
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+ (MMAL_BUFFER_HEADER_FLAG_FORMAT_SPECIFIC_START << 1)
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+
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struct mmal_driver_buffer {
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u32 magic;
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u32 component_handle;
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