Re: [FFmpeg-devel] [PATCH] avcodec/libsvtav1: send the EOS signal without a one frame delay to allow for the library to operate in a low-delay mode

[James Almer]

On 2/23/2024 8:21 PM, Cosmin Stejerean via ffmpeg-devel wrote:
From: Cosmin Stejerean <cos...@cosmin.at>
Co-authored-by: Amir Naghdinezhad <amir.naghdinez...@intel.com>
Signed-off-by: Cosmin Stejerean <cos...@cosmin.at>
---
  libavcodec/libsvtav1.c | 10 ++++++++++
  1 file changed, 10 insertions(+)

diff --git a/libavcodec/libsvtav1.c b/libavcodec/libsvtav1.c
index 3b41f5a39e..1eda63200c 100644
--- a/libavcodec/libsvtav1.c
+++ b/libavcodec/libsvtav1.c
@@ -539,6 +539,14 @@ static int eb_receive_packet(AVCodecContext *avctx, 
AVPacket *pkt)
      if (svt_ret == EB_NoErrorEmptyQueue)
          return AVERROR(EAGAIN);
  
+#if SVT_AV1_CHECK_VERSION(2, 0, 0)

SVT-AV1 1.8.0 has this value set to 1.8.0, same as in the current git 
head commit. Is this in preparation for an upcoming release?

+    if (headerPtr->flags & EB_BUFFERFLAG_EOS) {
+         svt_enc->eos_flag = EOS_RECEIVED;
+         svt_av1_enc_release_out_buffer(&headerPtr);
+         return AVERROR_EOF;
+    }
+#endif
+
      ref = get_output_ref(avctx, svt_enc, headerPtr->n_filled_len);
      if (!ref) {
          av_log(avctx, AV_LOG_ERROR, "Failed to allocate output packet.\n");
@@ -573,8 +581,10 @@ static int eb_receive_packet(AVCodecContext *avctx, 
AVPacket *pkt)
      if (headerPtr->pic_type == EB_AV1_NON_REF_PICTURE)
          pkt->flags |= AV_PKT_FLAG_DISPOSABLE;
  
+#if !(SVT_AV1_CHECK_VERSION(2, 0, 0))
      if (headerPtr->flags & EB_BUFFERFLAG_EOS)
          svt_enc->eos_flag = EOS_RECEIVED;
+#endif
  
      ff_side_data_set_encoder_stats(pkt, headerPtr->qp * FF_QP2LAMBDA, NULL, 0, pict_type);
  
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".