On 15/03/2025 20:10, James Almer wrote:
Will prevent decoding frame data during probing.

Signed-off-by: James Almer <jamr...@gmail.com>
---
  libavcodec/ffv1dec.c | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c
index b731f11297..998b981a33 100644
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@@ -697,6 +697,9 @@ static int decode_frame(AVCodecContext *avctx, AVFrame 
*rframe,
      if (ret < 0)
          return ret;
+ if (avctx->skip_frame >= AVDISCARD_ALL)
+        return avpkt->size;
+
      ret = ff_progress_frame_get_buffer(avctx, &f->picture,
                                         AV_GET_BUFFER_FLAG_REF);
      if (ret < 0)
@@ -821,5 +824,6 @@ const FFCodec ff_ffv1_decoder = {
      .p.capabilities = AV_CODEC_CAP_DR1 |
                        AV_CODEC_CAP_FRAME_THREADS | AV_CODEC_CAP_SLICE_THREADS,
      .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP |
+                      FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM |
                        FF_CODEC_CAP_USES_PROGRESSFRAMES,
  };

LGTM, been running this locally for days now. Speeds up opening high resolution files by seconds.
Thanks.

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