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From: Lynne <dev@lynne.ee>
To: ffmpeg-devel@ffmpeg.org
Date: Fri, 14 Mar 2025 12:47:44 +0100
Message-ID: <20250314114749.55174-1-dev@lynne.ee>
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Subject: [FFmpeg-devel] [PATCH] av1dec: update hwaccel decode_params on
AV1_OBU_SEQUENCE_HEADER
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Previously, the callback was only called on init. This makes it
get called on every frame.
We should switch to VK_KHR_video_maintenance2 and provide all params
upfront, but almost nothing supports it yet.
---
libavcodec/av1dec.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c
index baa9dea0f7..ed00278ed3 100644
--- a/libavcodec/av1dec.c
+++ b/libavcodec/av1dec.c
@@ -1329,6 +1329,15 @@ static int av1_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame)
s->pix_fmt = AV_PIX_FMT_NONE;
+ if (FF_HW_HAS_CB(avctx, decode_params)) {
+ ret = FF_HW_CALL(avctx, decode_params, AV1_OBU_SEQUENCE_HEADER,
+ s->seq_data_ref->data, s->seq_data_ref->size);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "HW accel decode params fail.\n");
+ return ret;
+ }
+ }
+
break;
case AV1_OBU_REDUNDANT_FRAME_HEADER:
if (s->raw_frame_header)
--
2.47.2
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