| Message ID | 20240229030249.3404-1-irui.wang@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2] media: mediatek: vcodec: Handle VP9 superframe bitstream with 8 sub-frames | expand |
Hey Irui, On 29.02.2024 11:02, Irui Wang wrote: >The VP9 bitstream has 8 sub-frames into one superframe, the superframe >index validate failed when reach 8, modify the index checking so that the >last sub-frame can be decoded normally with stateful vp9 decoder. I find this commit message a bit confusing, you say that you couldn't index the last superframe, but then you say that you modify the index checking so that you can access the last sub-frame. I would reword this section, here is my suggestion: The VP9 bitstream uses superframes, which each contain 8 sub-frames, enable accessing the last superframe by increasing the range of the index validation as the maximum number of superframes is 8 and not 7. The rest looks good as already mentioned by Nicolas. Greetings, Sebastian > >Signed-off-by: Irui Wang <irui.wang@mediatek.com> >--- >changed with v1: > - add a new define 'VP9_MAX_SUPER_FRAMES_NUM' for superframes. >--- > .../mediatek/vcodec/decoder/vdec/vdec_vp9_if.c | 11 ++++++----- > 1 file changed, 6 insertions(+), 5 deletions(-) > >diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c >index 55355fa70090..039082f600c8 100644 >--- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c >+++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c >@@ -16,6 +16,7 @@ > #include "../vdec_drv_base.h" > #include "../vdec_vpu_if.h" > >+#define VP9_MAX_SUPER_FRAMES_NUM 8 > #define VP9_SUPER_FRAME_BS_SZ 64 > #define MAX_VP9_DPB_SIZE 9 > >@@ -133,11 +134,11 @@ struct vp9_sf_ref_fb { > */ > struct vdec_vp9_vsi { > unsigned char sf_bs_buf[VP9_SUPER_FRAME_BS_SZ]; >- struct vp9_sf_ref_fb sf_ref_fb[VP9_MAX_FRM_BUF_NUM-1]; >+ struct vp9_sf_ref_fb sf_ref_fb[VP9_MAX_SUPER_FRAMES_NUM]; > int sf_next_ref_fb_idx; > unsigned int sf_frm_cnt; >- unsigned int sf_frm_offset[VP9_MAX_FRM_BUF_NUM-1]; >- unsigned int sf_frm_sz[VP9_MAX_FRM_BUF_NUM-1]; >+ unsigned int sf_frm_offset[VP9_MAX_SUPER_FRAMES_NUM]; >+ unsigned int sf_frm_sz[VP9_MAX_SUPER_FRAMES_NUM]; > unsigned int sf_frm_idx; > unsigned int sf_init; > struct vdec_fb fb; >@@ -526,7 +527,7 @@ static void vp9_swap_frm_bufs(struct vdec_vp9_inst *inst) > /* if this super frame and it is not last sub-frame, get next fb for > * sub-frame decode > */ >- if (vsi->sf_frm_cnt > 0 && vsi->sf_frm_idx != vsi->sf_frm_cnt - 1) >+ if (vsi->sf_frm_cnt > 0 && vsi->sf_frm_idx != vsi->sf_frm_cnt) > vsi->sf_next_ref_fb_idx = vp9_get_sf_ref_fb(inst); > } > >@@ -735,7 +736,7 @@ static void get_free_fb(struct vdec_vp9_inst *inst, struct vdec_fb **out_fb) > > static int validate_vsi_array_indexes(struct vdec_vp9_inst *inst, > struct vdec_vp9_vsi *vsi) { >- if (vsi->sf_frm_idx >= VP9_MAX_FRM_BUF_NUM - 1) { >+ if (vsi->sf_frm_idx > VP9_MAX_SUPER_FRAMES_NUM) { > mtk_vdec_err(inst->ctx, "Invalid vsi->sf_frm_idx=%u.", vsi->sf_frm_idx); > return -EIO; > } >-- >2.18.0 > >
Dear Sebastian Sir, Thanks for your reviewing. I will reword the commit message according to your suggestion, and send a new patch v3. Thank you very much. Thanks Best Regards On Fri, 2024-03-01 at 16:13 +0100, Sebastian Fricke wrote: > Hey Irui, > > On 29.02.2024 11:02, Irui Wang wrote: > > The VP9 bitstream has 8 sub-frames into one superframe, the > > superframe > > index validate failed when reach 8, modify the index checking so > > that the > > last sub-frame can be decoded normally with stateful vp9 decoder. > > I find this commit message a bit confusing, you say that you couldn't > index the last superframe, but then you say that you modify the index > checking so that you can access the last sub-frame. > > I would reword this section, here is my suggestion: > > The VP9 bitstream uses superframes, which each contain 8 sub-frames, > enable accessing the last superframe by increasing the range of the > index validation as the maximum number of superframes is 8 and not 7. > > The rest looks good as already mentioned by Nicolas. > > Greetings, > Sebastian > > > > > Signed-off-by: Irui Wang <irui.wang@mediatek.com> > > --- > > changed with v1: > > - add a new define 'VP9_MAX_SUPER_FRAMES_NUM' for superframes. > > --- > > .../mediatek/vcodec/decoder/vdec/vdec_vp9_if.c | 11 ++++++ > > ----- > > 1 file changed, 6 insertions(+), 5 deletions(-) > > > > diff --git > > a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c > > b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c > > index 55355fa70090..039082f600c8 100644 > > --- > > a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c > > +++ > > b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c > > @@ -16,6 +16,7 @@ > > #include "../vdec_drv_base.h" > > #include "../vdec_vpu_if.h" > > > > +#define VP9_MAX_SUPER_FRAMES_NUM 8 > > #define VP9_SUPER_FRAME_BS_SZ 64 > > #define MAX_VP9_DPB_SIZE 9 > > > > @@ -133,11 +134,11 @@ struct vp9_sf_ref_fb { > > */ > > struct vdec_vp9_vsi { > > unsigned char sf_bs_buf[VP9_SUPER_FRAME_BS_SZ]; > > - struct vp9_sf_ref_fb sf_ref_fb[VP9_MAX_FRM_BUF_NUM-1]; > > + struct vp9_sf_ref_fb sf_ref_fb[VP9_MAX_SUPER_FRAMES_NUM]; > > int sf_next_ref_fb_idx; > > unsigned int sf_frm_cnt; > > - unsigned int sf_frm_offset[VP9_MAX_FRM_BUF_NUM-1]; > > - unsigned int sf_frm_sz[VP9_MAX_FRM_BUF_NUM-1]; > > + unsigned int sf_frm_offset[VP9_MAX_SUPER_FRAMES_NUM]; > > + unsigned int sf_frm_sz[VP9_MAX_SUPER_FRAMES_NUM]; > > unsigned int sf_frm_idx; > > unsigned int sf_init; > > struct vdec_fb fb; > > @@ -526,7 +527,7 @@ static void vp9_swap_frm_bufs(struct > > vdec_vp9_inst *inst) > > /* if this super frame and it is not last sub-frame, get next > > fb for > > * sub-frame decode > > */ > > - if (vsi->sf_frm_cnt > 0 && vsi->sf_frm_idx != vsi->sf_frm_cnt - > > 1) > > + if (vsi->sf_frm_cnt > 0 && vsi->sf_frm_idx != vsi->sf_frm_cnt) > > vsi->sf_next_ref_fb_idx = vp9_get_sf_ref_fb(inst); > > } > > > > @@ -735,7 +736,7 @@ static void get_free_fb(struct vdec_vp9_inst > > *inst, struct vdec_fb **out_fb) > > > > static int validate_vsi_array_indexes(struct vdec_vp9_inst *inst, > > struct vdec_vp9_vsi *vsi) { > > - if (vsi->sf_frm_idx >= VP9_MAX_FRM_BUF_NUM - 1) { > > + if (vsi->sf_frm_idx > VP9_MAX_SUPER_FRAMES_NUM) { > > mtk_vdec_err(inst->ctx, "Invalid vsi->sf_frm_idx=%u.", > > vsi->sf_frm_idx); > > return -EIO; > > } > > -- > > 2.18.0 > > > >
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c index 55355fa70090..039082f600c8 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_if.c @@ -16,6 +16,7 @@ #include "../vdec_drv_base.h" #include "../vdec_vpu_if.h" +#define VP9_MAX_SUPER_FRAMES_NUM 8 #define VP9_SUPER_FRAME_BS_SZ 64 #define MAX_VP9_DPB_SIZE 9 @@ -133,11 +134,11 @@ struct vp9_sf_ref_fb { */ struct vdec_vp9_vsi { unsigned char sf_bs_buf[VP9_SUPER_FRAME_BS_SZ]; - struct vp9_sf_ref_fb sf_ref_fb[VP9_MAX_FRM_BUF_NUM-1]; + struct vp9_sf_ref_fb sf_ref_fb[VP9_MAX_SUPER_FRAMES_NUM]; int sf_next_ref_fb_idx; unsigned int sf_frm_cnt; - unsigned int sf_frm_offset[VP9_MAX_FRM_BUF_NUM-1]; - unsigned int sf_frm_sz[VP9_MAX_FRM_BUF_NUM-1]; + unsigned int sf_frm_offset[VP9_MAX_SUPER_FRAMES_NUM]; + unsigned int sf_frm_sz[VP9_MAX_SUPER_FRAMES_NUM]; unsigned int sf_frm_idx; unsigned int sf_init; struct vdec_fb fb; @@ -526,7 +527,7 @@ static void vp9_swap_frm_bufs(struct vdec_vp9_inst *inst) /* if this super frame and it is not last sub-frame, get next fb for * sub-frame decode */ - if (vsi->sf_frm_cnt > 0 && vsi->sf_frm_idx != vsi->sf_frm_cnt - 1) + if (vsi->sf_frm_cnt > 0 && vsi->sf_frm_idx != vsi->sf_frm_cnt) vsi->sf_next_ref_fb_idx = vp9_get_sf_ref_fb(inst); } @@ -735,7 +736,7 @@ static void get_free_fb(struct vdec_vp9_inst *inst, struct vdec_fb **out_fb) static int validate_vsi_array_indexes(struct vdec_vp9_inst *inst, struct vdec_vp9_vsi *vsi) { - if (vsi->sf_frm_idx >= VP9_MAX_FRM_BUF_NUM - 1) { + if (vsi->sf_frm_idx > VP9_MAX_SUPER_FRAMES_NUM) { mtk_vdec_err(inst->ctx, "Invalid vsi->sf_frm_idx=%u.", vsi->sf_frm_idx); return -EIO; }
The VP9 bitstream has 8 sub-frames into one superframe, the superframe index validate failed when reach 8, modify the index checking so that the last sub-frame can be decoded normally with stateful vp9 decoder. Signed-off-by: Irui Wang <irui.wang@mediatek.com> --- changed with v1: - add a new define 'VP9_MAX_SUPER_FRAMES_NUM' for superframes. --- .../mediatek/vcodec/decoder/vdec/vdec_vp9_if.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-)