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[media] coda: copy headers in front of every I-frame 

That way we don't have to rely on userspace to inject the headers on IDR
requests, and there is always enough information to start decoding at an
I-frame.

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>
This commit is contained in:
Philipp Zabel 2017-06-06 12:59:02 -03:00 committed by Mauro Carvalho Chehab
parent 7e68c53387
commit f903ebf751
1 changed files with 5 additions and 4 deletions
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9
drivers/media/platform/coda/coda-bit.c
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@ -1270,10 +1270,10 @@ static int coda_prepare_encode(struct coda_ctx *ctx)
coda_set_gdi_regs(ctx);
/*
* Copy headers at the beginning of the first frame for H.264 only.
* In MPEG4 they are already copied by the coda.
* Copy headers in front of the first frame and forced I frames for
* H.264 only. In MPEG4 they are already copied by the CODA.
*/
if (src_buf->sequence == 0) {
if (src_buf->sequence == 0 || force_ipicture) {
pic_stream_buffer_addr =
vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0) +
ctx->vpu_header_size[0] +
@ -1386,7 +1386,8 @@ static void coda_finish_encode(struct coda_ctx *ctx)
wr_ptr = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
/* Calculate bytesused field */
if (dst_buf->sequence == 0) {
if (dst_buf->sequence == 0 ||
src_buf->flags & V4L2_BUF_FLAG_KEYFRAME) {
vb2_set_plane_payload(&dst_buf->vb2_buf, 0, wr_ptr - start_ptr +
ctx->vpu_header_size[0] +
ctx->vpu_header_size[1] +