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radeonsi/video: Add video decoder using ac_video_dec

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Supports VCN, VCN JPEG and UVD.

Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39627>
This commit is contained in:
David Rosca 2026-01-22 17:06:03 +01:00 • committed by Marge Bot
parent cb1dde2cc3
commit 26979becec
5 changed files with 1583 additions and 7 deletions
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1
src/amd/ci/radeonsi-raven-va-fails.txt
View file

@ -360,7 +360,6 @@ GStreamer-H.265-VAAPI-Gst1.0@Main_422_10_B_RExt_Sony_2,Crash
GStreamer-H.265-VAAPI-Gst1.0@NONVUI_A_QUALCOMM_1,Crash
GStreamer-H.265-VAAPI-Gst1.0@NONVUI_B_QUALCOMM_1,Crash
GStreamer-H.265-VAAPI-Gst1.0@NONVUI_C_QUALCOMM_1,Crash
GStreamer-H.265-VAAPI-Gst1.0@NUT_A_ericsson_5,Fail
GStreamer-H.265-VAAPI-Gst1.0@OLS_A_NOKIA_1,Crash
GStreamer-H.265-VAAPI-Gst1.0@OLS_B_NOKIA_1,Crash
GStreamer-H.265-VAAPI-Gst1.0@OLS_C_NOKIA_1,Crash

2
src/gallium/drivers/radeonsi/meson.build
View file

@ -86,6 +86,8 @@ files_libradeonsi = files(
'si_uvd.c',
'si_vpe.c',
'si_vpe.h',
'si_video_dec.h',
'si_video_dec.c',
'pspdecryptionparam.h',
'cencdecryptionparam.h',
'radeon_uvd.c',

8
src/gallium/drivers/radeonsi/si_uvd.c
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@ -16,6 +16,7 @@
#include "si_pipe.h"
#include "si_vpe.h"
#include "util/u_video.h"
#include "si_video_dec.h"
/**
* creates a video buffer with an UVD compatible memory layout
@ -168,10 +169,5 @@ struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
templ->entrypoint == PIPE_VIDEO_ENTRYPOINT_PROCESSING)
return si_vpe_create_processor(context, templ);
if (vcn) {
codec = radeon_create_decoder(context, templ);
ctx->vcn_has_ctx = si_vcn_need_context(ctx);
return codec;
}
return si_common_uvd_create_decoder(context, templ, si_uvd_set_dtb);
return si_create_video_decoder(context, templ);
}

1529
src/gallium/drivers/radeonsi/si_video_dec.c Normal file
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File diff suppressed because it is too large Load diff

50
src/gallium/drivers/radeonsi/si_video_dec.h Normal file
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@ -0,0 +1,50 @@
/*
* Copyright 2026 Advanced Micro Devices, Inc.
*
* SPDX-License-Identifier: MIT
*/
#ifndef SI_VIDEO_DEC
#define SI_VIDEO_DEC
#include "pipe/p_video_codec.h"
#include "winsys/radeon_winsys.h"
#include "ac_video_dec.h"
#define SI_VIDEO_DEC_NUM_BUFS 4
struct si_video_dec {
struct pipe_video_codec base;
struct pipe_screen *screen;
struct radeon_winsys *ws;
struct radeon_cmdbuf cs;
struct pipe_context *ectx;
bool error;
struct ac_video_dec *dec;
struct si_resource *session_buffer;
struct si_resource *session_tmz_buffer;
struct si_resource *dpb_buffer;
struct si_resource *bs_buffers[SI_VIDEO_DEC_NUM_BUFS];
struct si_resource *emb_buffers[SI_VIDEO_DEC_NUM_BUFS];
void *bs_ptr;
unsigned bs_size;
unsigned cur_buffer;
unsigned dpb_size;
unsigned dpb_alignment;
struct pipe_resource *dpb[AC_VIDEO_DEC_MAX_REFS];
struct pipe_video_buffer *render_pic_list[AC_VIDEO_DEC_MAX_REFS];
};
struct si_video_dec_inst {
struct pipe_video_codec base;
struct pipe_video_codec **inst;
unsigned num_inst;
unsigned cur_inst;
};
struct pipe_video_codec *si_create_video_decoder(struct pipe_context *context, const struct pipe_video_codec *templ);
#endif