mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 15:32:33 +00:00
20ea6adbf1
Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones <mj8263788@gmail.com> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
112 lines
3.6 KiB
Diff
112 lines
3.6 KiB
Diff
From 9b0eddfd7341525e0e3074a7f6202f5ccd431b05 Mon Sep 17 00:00:00 2001
|
|
From: John Cox <jc@kynesim.co.uk>
|
|
Date: Thu, 6 May 2021 13:48:05 +0100
|
|
Subject: [PATCH] media: rpivid: Only create aux entries for H265 if
|
|
needed
|
|
|
|
Only create aux entries of mv info for frames where that info might
|
|
be used by a later frame. This saves some memory bandwidth and
|
|
potentially some memory.
|
|
|
|
Signed-off-by: John Cox <jc@kynesim.co.uk>
|
|
---
|
|
drivers/staging/media/rpivid/rpivid_h265.c | 38 +++++++++++++---------
|
|
1 file changed, 23 insertions(+), 15 deletions(-)
|
|
|
|
--- a/drivers/staging/media/rpivid/rpivid_h265.c
|
|
+++ b/drivers/staging/media/rpivid/rpivid_h265.c
|
|
@@ -246,6 +246,8 @@ struct rpivid_dec_state {
|
|
// Slice vars
|
|
unsigned int slice_idx;
|
|
bool slice_temporal_mvp; /* Slice flag but constant for frame */
|
|
+ bool use_aux;
|
|
+ bool mk_aux;
|
|
|
|
// Temp vars per run - don't actually need to persist
|
|
u8 *src_buf;
|
|
@@ -1657,7 +1659,7 @@ static u32 mk_config2(const struct rpivi
|
|
c |= BIT(13);
|
|
if (sps->flags & V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED)
|
|
c |= BIT(14);
|
|
- if (sps->flags & V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED)
|
|
+ if (s->mk_aux)
|
|
c |= BIT(15); /* Write motion vectors to external memory */
|
|
c |= (pps->log2_parallel_merge_level_minus2 + 2) << 16;
|
|
if (s->slice_temporal_mvp)
|
|
@@ -1669,6 +1671,14 @@ static u32 mk_config2(const struct rpivi
|
|
return c;
|
|
}
|
|
|
|
+static inline bool is_ref_unit_type(const unsigned int nal_unit_type)
|
|
+{
|
|
+ /* From Table 7-1
|
|
+ * True for 1, 3, 5, 7, 9, 11, 13, 15
|
|
+ */
|
|
+ return (nal_unit_type & ~0xe) != 0;
|
|
+}
|
|
+
|
|
static void rpivid_h265_setup(struct rpivid_ctx *ctx, struct rpivid_run *run)
|
|
{
|
|
struct rpivid_dev *const dev = ctx->dev;
|
|
@@ -1685,7 +1695,6 @@ static void rpivid_h265_setup(struct rpi
|
|
struct rpivid_dec_env *de = ctx->dec0;
|
|
unsigned int prev_rs;
|
|
unsigned int i;
|
|
- int use_aux;
|
|
int rv;
|
|
bool slice_temporal_mvp;
|
|
bool frame_end;
|
|
@@ -1828,6 +1837,16 @@ static void rpivid_h265_setup(struct rpi
|
|
*/
|
|
s->slice_temporal_mvp = slice_temporal_mvp;
|
|
|
|
+ /*
|
|
+ * Need Aux ents for all (ref) DPB ents if temporal MV could
|
|
+ * be enabled for any pic
|
|
+ */
|
|
+ s->use_aux = ((s->sps.flags &
|
|
+ V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED) != 0);
|
|
+ s->mk_aux = s->use_aux &&
|
|
+ (s->sps.sps_max_sub_layers_minus1 >= sh0->nuh_temporal_id_plus1 ||
|
|
+ is_ref_unit_type(sh0->nal_unit_type));
|
|
+
|
|
// Phase 2 reg pre-calc
|
|
de->rpi_config2 = mk_config2(s);
|
|
de->rpi_framesize = (s->sps.pic_height_in_luma_samples << 16) |
|
|
@@ -1952,15 +1971,6 @@ static void rpivid_h265_setup(struct rpi
|
|
// Frame end
|
|
memset(dpb_q_aux, 0,
|
|
sizeof(*dpb_q_aux) * V4L2_HEVC_DPB_ENTRIES_NUM_MAX);
|
|
- /*
|
|
- * Need Aux ents for all (ref) DPB ents if temporal MV could
|
|
- * be enabled for any pic
|
|
- * ** At the moment we create aux ents for all pics whether or not
|
|
- * they are ref - they should then be discarded by the DPB-aux
|
|
- * garbage collection code
|
|
- */
|
|
- use_aux = ((s->sps.flags &
|
|
- V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED) != 0);
|
|
|
|
// Locate ref frames
|
|
// At least in the current implementation this is constant across all
|
|
@@ -1994,7 +2004,7 @@ static void rpivid_h265_setup(struct rpi
|
|
continue;
|
|
}
|
|
|
|
- if (use_aux) {
|
|
+ if (s->use_aux) {
|
|
dpb_q_aux[i] = aux_q_ref_idx(ctx, buffer_index);
|
|
if (!dpb_q_aux[i])
|
|
v4l2_warn(&dev->v4l2_dev,
|
|
@@ -2016,9 +2026,7 @@ static void rpivid_h265_setup(struct rpi
|
|
// now
|
|
aux_q_release(ctx, &s->frame_aux);
|
|
|
|
- if (use_aux) {
|
|
- // New frame so new aux ent
|
|
- // ??? Do we need this if non-ref ??? can we tell
|
|
+ if (s->mk_aux) {
|
|
s->frame_aux = aux_q_new(ctx, run->dst->vb2_buf.index);
|
|
|
|
if (!s->frame_aux) {
|