diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0442-staging-bcm2835-codec-Add-support-for-setting-S_PARM.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0442-staging-bcm2835-codec-Add-support-for-setting-S_PARM.patch | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0442-staging-bcm2835-codec-Add-support-for-setting-S_PARM.patch b/target/linux/bcm27xx/patches-4.19/950-0442-staging-bcm2835-codec-Add-support-for-setting-S_PARM.patch new file mode 100644 index 0000000000..ac75d4768f --- /dev/null +++ b/target/linux/bcm27xx/patches-4.19/950-0442-staging-bcm2835-codec-Add-support-for-setting-S_PARM.patch @@ -0,0 +1,118 @@ +From 67c1f9dd0253a1175f77e801b19bd9d923225f9c Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.org> +Date: Fri, 10 May 2019 14:13:11 +0100 +Subject: [PATCH] staging: bcm2835-codec: Add support for setting + S_PARM and G_PARM + +Video encode can use the frame rate for rate control calculations, +therefore plumb it through from V4L2's [S|G]_PARM ioctl. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> +--- + .../bcm2835-codec/bcm2835-v4l2-codec.c | 52 +++++++++++++++++-- + 1 file changed, 48 insertions(+), 4 deletions(-) + +--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c ++++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c +@@ -447,6 +447,8 @@ struct bcm2835_codec_ctx { + /* Source and destination queue data */ + struct bcm2835_codec_q_data q_data[2]; + s32 bitrate; ++ unsigned int framerate_num; ++ unsigned int framerate_denom; + + bool aborting; + int num_ip_buffers; +@@ -610,8 +612,8 @@ static void setup_mmal_port_format(struc + port->es.video.height = q_data->height; + port->es.video.crop.width = q_data->crop_width; + port->es.video.crop.height = q_data->crop_height; +- port->es.video.frame_rate.num = 0; +- port->es.video.frame_rate.den = 1; ++ port->es.video.frame_rate.num = ctx->framerate_num; ++ port->es.video.frame_rate.den = ctx->framerate_denom; + } else { + /* Compressed format - leave resolution as 0 for decode */ + if (ctx->dev->role == DECODE) { +@@ -625,9 +627,9 @@ static void setup_mmal_port_format(struc + port->es.video.crop.width = q_data->crop_width; + port->es.video.crop.height = q_data->crop_height; + port->format.bitrate = ctx->bitrate; ++ port->es.video.frame_rate.num = ctx->framerate_num; ++ port->es.video.frame_rate.den = ctx->framerate_denom; + } +- port->es.video.frame_rate.num = 0; +- port->es.video.frame_rate.den = 1; + } + port->es.video.crop.x = 0; + port->es.video.crop.y = 0; +@@ -1361,6 +1363,41 @@ static int vidioc_s_selection(struct fil + return 0; + } + ++static int vidioc_s_parm(struct file *file, void *priv, ++ struct v4l2_streamparm *parm) ++{ ++ struct bcm2835_codec_ctx *ctx = file2ctx(file); ++ ++ if (parm->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) ++ return -EINVAL; ++ ++ ctx->framerate_num = ++ parm->parm.output.timeperframe.denominator; ++ ctx->framerate_denom = ++ parm->parm.output.timeperframe.numerator; ++ ++ parm->parm.output.capability = V4L2_CAP_TIMEPERFRAME; ++ ++ return 0; ++} ++ ++static int vidioc_g_parm(struct file *file, void *priv, ++ struct v4l2_streamparm *parm) ++{ ++ struct bcm2835_codec_ctx *ctx = file2ctx(file); ++ ++ if (parm->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) ++ return -EINVAL; ++ ++ parm->parm.output.capability = V4L2_CAP_TIMEPERFRAME; ++ parm->parm.output.timeperframe.denominator = ++ ctx->framerate_num; ++ parm->parm.output.timeperframe.numerator = ++ ctx->framerate_denom; ++ ++ return 0; ++} ++ + static int vidioc_subscribe_evt(struct v4l2_fh *fh, + const struct v4l2_event_subscription *sub) + { +@@ -1725,6 +1762,9 @@ static const struct v4l2_ioctl_ops bcm28 + .vidioc_g_selection = vidioc_g_selection, + .vidioc_s_selection = vidioc_s_selection, + ++ .vidioc_g_parm = vidioc_g_parm, ++ .vidioc_s_parm = vidioc_s_parm, ++ + .vidioc_subscribe_event = vidioc_subscribe_evt, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, + +@@ -2546,6 +2586,8 @@ static int bcm2835_codec_create(struct p + case DECODE: + v4l2_disable_ioctl(vfd, VIDIOC_ENCODER_CMD); + v4l2_disable_ioctl(vfd, VIDIOC_TRY_ENCODER_CMD); ++ v4l2_disable_ioctl(vfd, VIDIOC_S_PARM); ++ v4l2_disable_ioctl(vfd, VIDIOC_G_PARM); + video_nr = decode_video_nr; + break; + case ENCODE: +@@ -2558,6 +2600,8 @@ static int bcm2835_codec_create(struct p + v4l2_disable_ioctl(vfd, VIDIOC_TRY_ENCODER_CMD); + v4l2_disable_ioctl(vfd, VIDIOC_DECODER_CMD); + v4l2_disable_ioctl(vfd, VIDIOC_TRY_DECODER_CMD); ++ v4l2_disable_ioctl(vfd, VIDIOC_S_PARM); ++ v4l2_disable_ioctl(vfd, VIDIOC_G_PARM); + video_nr = isp_video_nr; + break; + default: |