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vulkanh264enc: calculate latency with corrected framerate

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Fix for the h264encoder base class in the same spirit of !9437.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9465>
This commit is contained in:
Víctor Manuel Jáquez Leal 2025-07-30 16:19:56 +02:00 committed by GStreamer Marge Bot
parent 489e908a92
commit 6cfc1d383c
1 changed files with 13 additions and 5 deletions
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18
subprojects/gst-plugins-bad/ext/vulkan/base/gsth264encoder.c
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@ -220,6 +220,8 @@ struct _GstH264EncoderPrivate
} params;
GstClockTime frame_duration;
guint fps_n;
guint fps_d;
GQueue output_list;
GQueue ref_list;
@ -539,9 +541,7 @@ gst_h264_encoder_generate_gop_structure (GstH264Encoder * self)
/* If not set, generate a idr every second */
if (priv->gop.idr_period == 0) {
priv->gop.idr_period = (GST_VIDEO_INFO_FPS_N (&priv->input_state->info)
+ GST_VIDEO_INFO_FPS_D (&priv->input_state->info) - 1) /
GST_VIDEO_INFO_FPS_D (&priv->input_state->info);
priv->gop.idr_period = (priv->fps_n + priv->fps_d - 1) / priv->fps_d;
}
/* Prefer have more than 1 reference for the GOP which is not very small. */
@ -878,6 +878,15 @@ gst_h264_encoder_set_format (GstVideoEncoder * encoder,
gst_video_codec_state_unref (priv->input_state);
priv->input_state = gst_video_codec_state_ref (state);
priv->fps_d = GST_VIDEO_INFO_FPS_D (&priv->input_state->info);
priv->fps_n = GST_VIDEO_INFO_FPS_N (&priv->input_state->info);
/* if still image */
if (priv->fps_d == 0 || priv->fps_n == 0) {
priv->fps_d = 1;
priv->fps_n = 30;
}
/* in case live streaming, we should run on low-latency mode */
priv->is_live = FALSE;
query = gst_query_new_latency ();
@ -2499,8 +2508,7 @@ gst_h264_encoder_configure (GstH264Encoder * self)
guint frames_latency =
priv->config.preferred_output_delay + priv->gop.ip_period - 1;
GstClockTime latency = gst_util_uint64_scale (frames_latency,
GST_VIDEO_INFO_FPS_D (&priv->input_state->info) * GST_SECOND,
GST_VIDEO_INFO_FPS_N (&priv->input_state->info));
priv->fps_d * GST_SECOND, priv->fps_n);
gst_video_encoder_set_latency (encoder, latency, latency);
}