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[media] coda: drop zero payload bitstream buffers

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The buffers with zero payload are now dumped in coda_fill_bitstream and not
passed to coda_bitstream_queue. This avoids unnecessary fifo addition and
buffer sequence counter increment.

Signed-off-by: Zahari Doychev <zahari.doychev@linux.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Zahari Doychev 2015-08-03 08:57:19 -03:00 committed by Mauro Carvalho Chehab
parent efb4b8b60d
commit 5473387b93
1 changed files with 7 additions and 0 deletions
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7
drivers/media/platform/coda/coda-bit.c
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@ -256,6 +256,13 @@ void coda_fill_bitstream(struct coda_ctx *ctx, bool streaming)
continue;
}
/* Dump empty buffers */
if (!vb2_get_plane_payload(src_buf, 0)) {
src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
continue;
}
/* Buffer start position */
start = ctx->bitstream_fifo.kfifo.in &
ctx->bitstream_fifo.kfifo.mask;