+++ /dev/null
-From 5a1f76940af2691627837bb4f181a672abfaffa2 Mon Sep 17 00:00:00 2001
-From: Dave Stevenson <dave.stevenson@raspberrypi.com>
-Date: Tue, 2 Feb 2021 15:50:18 +0000
-Subject: [PATCH] staging/bcm2835-codec: Add support for pixel aspect
- ratio
-
-If the format is detected by the driver and a V4L2_EVENT_SOURCE_CHANGE
-event is generated, then pass on the pixel aspect ratio as well.
-
-Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
----
- .../bcm2835-codec/bcm2835-v4l2-codec.c | 31 +++++++++++++++++++
- 1 file changed, 31 insertions(+)
-
---- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
-+++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
-@@ -602,6 +602,7 @@ struct bcm2835_codec_q_data {
- unsigned int crop_width;
- unsigned int crop_height;
- bool selection_set;
-+ struct v4l2_fract aspect_ratio;
-
- unsigned int sizeimage;
- unsigned int sequence;
-@@ -981,6 +982,9 @@ static void handle_fmt_changed(struct bc
- if (format->es.video.color_space)
- color_mmal2v4l(ctx, format->es.video.color_space);
-
-+ q_data->aspect_ratio.numerator = format->es.video.par.num;
-+ q_data->aspect_ratio.denominator = format->es.video.par.den;
-+
- queue_res_chg_event(ctx);
- }
-
-@@ -1657,6 +1661,29 @@ static int vidioc_g_parm(struct file *fi
- return 0;
- }
-
-+static int vidioc_g_pixelaspect(struct file *file, void *fh, int type,
-+ struct v4l2_fract *f)
-+{
-+ struct bcm2835_codec_ctx *ctx = file2ctx(file);
-+
-+ /*
-+ * The selection API takes V4L2_BUF_TYPE_VIDEO_CAPTURE and
-+ * V4L2_BUF_TYPE_VIDEO_OUTPUT, even if the device implements the MPLANE
-+ * API. The V4L2 core will have converted the MPLANE variants to
-+ * non-MPLANE.
-+ * Open code this instead of using get_q_data in this case.
-+ */
-+ if (ctx->dev->role != DECODE)
-+ return -ENOIOCTLCMD;
-+
-+ if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
-+ return -EINVAL;
-+
-+ *f = ctx->q_data[V4L2_M2M_DST].aspect_ratio;
-+
-+ return 0;
-+}
-+
- static int vidioc_subscribe_evt(struct v4l2_fh *fh,
- const struct v4l2_event_subscription *sub)
- {
-@@ -2082,6 +2109,8 @@ static const struct v4l2_ioctl_ops bcm28
- .vidioc_g_parm = vidioc_g_parm,
- .vidioc_s_parm = vidioc_s_parm,
-
-+ .vidioc_g_pixelaspect = vidioc_g_pixelaspect,
-+
- .vidioc_subscribe_event = vidioc_subscribe_evt,
- .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
-
-@@ -2640,6 +2669,8 @@ static int bcm2835_codec_open(struct fil
- ctx->q_data[V4L2_M2M_DST].crop_width,
- ctx->q_data[V4L2_M2M_DST].height,
- ctx->q_data[V4L2_M2M_DST].fmt);
-+ ctx->q_data[V4L2_M2M_DST].aspect_ratio.numerator = 1;
-+ ctx->q_data[V4L2_M2M_DST].aspect_ratio.denominator = 1;
-
- ctx->colorspace = V4L2_COLORSPACE_REC709;
- ctx->bitrate = 10 * 1000 * 1000;