diff options
Diffstat (limited to 'src/gallium/drivers/radeon/radeon_vce.c')
| -rw-r--r-- | src/gallium/drivers/radeon/radeon_vce.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/radeon_vce.c b/src/gallium/drivers/radeon/radeon_vce.c index e220f40165b..9913c8b4f1a 100644 --- a/src/gallium/drivers/radeon/radeon_vce.c +++ b/src/gallium/drivers/radeon/radeon_vce.c @@ -183,6 +183,44 @@ static unsigned get_cpb_num(struct rvce_encoder *enc) } /** + * Get the slot for the currently encoded frame + */ +struct rvce_cpb_slot *current_slot(struct rvce_encoder *enc) +{ + return LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.prev, list); +} + +/** + * Get the slot for L0 + */ +struct rvce_cpb_slot *l0_slot(struct rvce_encoder *enc) +{ + return LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.next, list); +} + +/** + * Get the slot for L1 + */ +struct rvce_cpb_slot *l1_slot(struct rvce_encoder *enc) +{ + return LIST_ENTRY(struct rvce_cpb_slot, enc->cpb_slots.next->next, list); +} + +/** + * Calculate the offsets into the CPB + */ +void rvce_frame_offset(struct rvce_encoder *enc, struct rvce_cpb_slot *slot, + unsigned *luma_offset, unsigned *chroma_offset) +{ + unsigned pitch = align(enc->luma->level[0].pitch_bytes, 128); + unsigned vpitch = align(enc->luma->npix_y, 16); + unsigned fsize = pitch * (vpitch + vpitch / 2); + + *luma_offset = slot->index * fsize; + *chroma_offset = *luma_offset + pitch * vpitch; +} + +/** * destroy this video encoder */ static void rvce_destroy(struct pipe_video_codec *encoder) |