Implement the V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME control to force IDR
frames. This is useful to implement VFU (Video Fast Update) on RTP
transmissions.
We already force an IDR frame at the beginning of each GOP to work
around a firmware bug on i.MX27, use the same mechanism to service IDR
requests from userspace.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
dst_buf->sequence = ctx->osequence;
ctx->osequence++;
dst_buf->sequence = ctx->osequence;
ctx->osequence++;
+ force_ipicture = ctx->params.force_ipicture;
+ if (force_ipicture)
+ ctx->params.force_ipicture = false;
+ else if ((src_buf->sequence % ctx->params.gop_size) == 0)
+ force_ipicture = 1;
+
/*
* Workaround coda firmware BUG that only marks the first
* frame as IDR. This is a problem for some decoders that can't
* recover when a frame is lost.
*/
/*
* Workaround coda firmware BUG that only marks the first
* frame as IDR. This is a problem for some decoders that can't
* recover when a frame is lost.
*/
- if (src_buf->sequence % ctx->params.gop_size) {
src_buf->flags |= V4L2_BUF_FLAG_PFRAME;
src_buf->flags &= ~V4L2_BUF_FLAG_KEYFRAME;
} else {
src_buf->flags |= V4L2_BUF_FLAG_PFRAME;
src_buf->flags &= ~V4L2_BUF_FLAG_KEYFRAME;
} else {
pic_stream_buffer_size = q_data_dst->sizeimage;
}
pic_stream_buffer_size = q_data_dst->sizeimage;
}
- if (src_buf->flags & V4L2_BUF_FLAG_KEYFRAME) {
- force_ipicture = 1;
switch (dst_fourcc) {
case V4L2_PIX_FMT_H264:
quant_param = ctx->params.h264_intra_qp;
switch (dst_fourcc) {
case V4L2_PIX_FMT_H264:
quant_param = ctx->params.h264_intra_qp;
switch (dst_fourcc) {
case V4L2_PIX_FMT_H264:
quant_param = ctx->params.h264_inter_qp;
switch (dst_fourcc) {
case V4L2_PIX_FMT_H264:
quant_param = ctx->params.h264_inter_qp;
case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
ctx->params.intra_refresh = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
ctx->params.intra_refresh = ctrl->val;
break;
+ case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
+ ctx->params.force_ipicture = true;
+ break;
case V4L2_CID_JPEG_COMPRESSION_QUALITY:
coda_set_jpeg_compression_quality(ctx, ctrl->val);
break;
case V4L2_CID_JPEG_COMPRESSION_QUALITY:
coda_set_jpeg_compression_quality(ctx, ctrl->val);
break;
u32 vbv_size;
u32 slice_max_bits;
u32 slice_max_mb;
u32 vbv_size;
u32 slice_max_bits;
u32 slice_max_mb;
};
struct coda_buffer_meta {
};
struct coda_buffer_meta {