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[media] coda: fix job_ready debug reporting for bitstream decoding

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Clarify whether job_ready returns false because the context is on hold, waiting
for new input buffers, whether there are not enough input buffers to fill two
into the bitstream, or whether there is not enough data in the bitstream buffer
for the bitstream reader hardware to read a whole frame.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Philipp Zabel 2015-01-23 13:51:20 -03:00 committed by Mauro Carvalho Chehab
parent 83f31c8a5f
commit f77fd8a9b1
1 changed files with 37 additions and 9 deletions
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46
drivers/media/platform/coda/coda-common.c
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@ -939,15 +939,43 @@ static int coda_job_ready(void *m2m_priv)
return 0;
}
if (ctx->hold ||
((ctx->inst_type == CODA_INST_DECODER) &&
!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) &&
(coda_get_bitstream_payload(ctx) < 512) &&
!(ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG))) {
v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
"%d: not ready: not enough bitstream data.\n",
ctx->idx);
return 0;
if (ctx->inst_type == CODA_INST_DECODER) {
struct list_head *meta;
bool stream_end;
int num_metas;
int src_bufs;
if (ctx->hold && !v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx)) {
v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
"%d: not ready: on hold for more buffers.\n",
ctx->idx);
return 0;
}
stream_end = ctx->bit_stream_param &
CODA_BIT_STREAM_END_FLAG;
num_metas = 0;
list_for_each(meta, &ctx->buffer_meta_list)
num_metas++;
src_bufs = v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx);
if (!stream_end && (num_metas + src_bufs) < 2) {
v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
"%d: not ready: need 2 buffers available (%d, %d)\n",
ctx->idx, num_metas, src_bufs);
return 0;
}
if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) &&
!stream_end && (coda_get_bitstream_payload(ctx) < 512)) {
v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
"%d: not ready: not enough bitstream data (%d).\n",
ctx->idx, coda_get_bitstream_payload(ctx));
return 0;
}
}
if (ctx->aborting) {