You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
159 lines
4.9 KiB
159 lines
4.9 KiB
From 50a40e8c2a9014c62943b034edefa035c0647519 Mon Sep 17 00:00:00 2001
|
|
From: Dave Stevenson <dsteve@broadcom.com>
|
|
Date: Mon, 9 Dec 2013 11:24:55 +0000
|
|
Subject: [PATCH 141/174] V4L2: Fix issue when switching down JPEG resolution.
|
|
|
|
JPEG buffer size calculation is based on input resolution.
|
|
Input resolution was being configured after output port
|
|
format. Caused failures if switching from one JPEG resolution
|
|
to a smaller one.
|
|
|
|
Signed-off-by: Dave Stevenson <dsteve@broadcom.com>
|
|
---
|
|
drivers/media/platform/bcm2835/bcm2835-camera.c | 126 ++++++++++++++----------
|
|
1 file changed, 72 insertions(+), 54 deletions(-)
|
|
|
|
--- a/drivers/media/platform/bcm2835/bcm2835-camera.c
|
|
+++ b/drivers/media/platform/bcm2835/bcm2835-camera.c
|
|
@@ -955,69 +955,87 @@ static int mmal_setup_components(struct
|
|
camera_port->current_buffer.num =
|
|
camera_port->recommended_buffer.num;
|
|
|
|
- port->format.encoding = mfmt->mmal;
|
|
- port->format.encoding_variant = 0;
|
|
- /* Set any encoding specific parameters */
|
|
- switch (mfmt->mmal_component) {
|
|
- case MMAL_COMPONENT_VIDEO_ENCODE:
|
|
- port->format.bitrate =
|
|
- dev->capture.encode_bitrate;
|
|
- break;
|
|
- case MMAL_COMPONENT_IMAGE_ENCODE:
|
|
- /* Could set EXIF parameters here */
|
|
- break;
|
|
- default:
|
|
- break;
|
|
- }
|
|
- ret = vchiq_mmal_port_set_format(dev->instance, port);
|
|
-
|
|
+ ret =
|
|
+ vchiq_mmal_port_connect_tunnel(
|
|
+ dev->instance,
|
|
+ camera_port,
|
|
+ &encode_component->input[0]);
|
|
if (ret) {
|
|
- v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
|
|
- "%s failed to set format\n", __func__);
|
|
+ v4l2_dbg(1, bcm2835_v4l2_debug,
|
|
+ &dev->v4l2_dev,
|
|
+ "%s failed to create connection\n",
|
|
+ __func__);
|
|
+ /* ensure capture is not going to be tried */
|
|
+ dev->capture.port = NULL;
|
|
} else {
|
|
+ port->es.video.width = f->fmt.pix.width;
|
|
+ port->es.video.height = f->fmt.pix.height;
|
|
+ port->es.video.crop.x = 0;
|
|
+ port->es.video.crop.y = 0;
|
|
+ port->es.video.crop.width = f->fmt.pix.width;
|
|
+ port->es.video.crop.height = f->fmt.pix.height;
|
|
+ port->es.video.frame_rate.num =
|
|
+ dev->capture.timeperframe.denominator;
|
|
+ port->es.video.frame_rate.den =
|
|
+ dev->capture.timeperframe.numerator;
|
|
+
|
|
+ port->format.encoding = mfmt->mmal;
|
|
+ port->format.encoding_variant = 0;
|
|
+ /* Set any encoding specific parameters */
|
|
+ switch (mfmt->mmal_component) {
|
|
+ case MMAL_COMPONENT_VIDEO_ENCODE:
|
|
+ port->format.bitrate =
|
|
+ dev->capture.encode_bitrate;
|
|
+ break;
|
|
+ case MMAL_COMPONENT_IMAGE_ENCODE:
|
|
+ /* Could set EXIF parameters here */
|
|
+ break;
|
|
+ default:
|
|
+ break;
|
|
+ }
|
|
+ ret = vchiq_mmal_port_set_format(dev->instance,
|
|
+ port);
|
|
+ if (ret)
|
|
+ v4l2_dbg(1, bcm2835_v4l2_debug,
|
|
+ &dev->v4l2_dev,
|
|
+ "%s failed to set format\n",
|
|
+ __func__);
|
|
+ }
|
|
+
|
|
+ if (!ret) {
|
|
ret = vchiq_mmal_component_enable(
|
|
dev->instance,
|
|
encode_component);
|
|
if (ret) {
|
|
v4l2_dbg(1, bcm2835_v4l2_debug,
|
|
- &dev->v4l2_dev,
|
|
- "%s Failed to enable encode components\n",
|
|
- __func__);
|
|
- } else {
|
|
- /* configure buffering */
|
|
- port->current_buffer.num = 1;
|
|
- port->current_buffer.size =
|
|
- f->fmt.pix.sizeimage;
|
|
- if (port->format.encoding ==
|
|
- MMAL_ENCODING_JPEG) {
|
|
- v4l2_dbg(1, bcm2835_v4l2_debug,
|
|
- &dev->v4l2_dev,
|
|
- "JPEG - fiddle buffer size\n");
|
|
- port->current_buffer.size =
|
|
- (f->fmt.pix.sizeimage <
|
|
- (100 << 10))
|
|
- ? (100 << 10) : f->fmt.pix.
|
|
- sizeimage;
|
|
- }
|
|
+ &dev->v4l2_dev,
|
|
+ "%s Failed to enable encode components\n",
|
|
+ __func__);
|
|
+ }
|
|
+ }
|
|
+ if (!ret) {
|
|
+ /* configure buffering */
|
|
+ port->current_buffer.num = 1;
|
|
+ port->current_buffer.size =
|
|
+ f->fmt.pix.sizeimage;
|
|
+ if (port->format.encoding ==
|
|
+ MMAL_ENCODING_JPEG) {
|
|
v4l2_dbg(1, bcm2835_v4l2_debug,
|
|
- &dev->v4l2_dev,
|
|
- "vid_cap - current_buffer.size being set to %d\n",
|
|
- f->fmt.pix.sizeimage);
|
|
- port->current_buffer.alignment = 0;
|
|
- ret =
|
|
- vchiq_mmal_port_connect_tunnel(
|
|
- dev->instance,
|
|
- camera_port,
|
|
- &encode_component->input[0]);
|
|
- if (ret) {
|
|
- v4l2_dbg(1, bcm2835_v4l2_debug,
|
|
- &dev->v4l2_dev,
|
|
- "%s failed to create connection\n",
|
|
- __func__);
|
|
- /* ensure capture is not going to be tried */
|
|
- dev->capture.port = NULL;
|
|
- }
|
|
+ &dev->v4l2_dev,
|
|
+ "JPG - buf size now %d was %d\n",
|
|
+ f->fmt.pix.sizeimage,
|
|
+ port->current_buffer.size);
|
|
+ port->current_buffer.size =
|
|
+ (f->fmt.pix.sizeimage <
|
|
+ (100 << 10))
|
|
+ ? (100 << 10) : f->fmt.pix.
|
|
+ sizeimage;
|
|
}
|
|
+ v4l2_dbg(1, bcm2835_v4l2_debug,
|
|
+ &dev->v4l2_dev,
|
|
+ "vid_cap - cur_buf.size set to %d\n",
|
|
+ f->fmt.pix.sizeimage);
|
|
+ port->current_buffer.alignment = 0;
|
|
}
|
|
} else {
|
|
/* configure buffering */
|
|
|