FaSTTUBe/GST-Tensordecoder-ov_ep
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gl/basesrc: support changing caps

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Caps may change the framerate used and the frame counting approach for
timestamps, needs to account for this by taking a snapshot of the current frames
and running time to add to all subsequent produced frames.  Code is mostly taken
from videotestsrc.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9455>
This commit is contained in:
Matthew Waters 2025-06-30 13:44:27 +10:00 committed by GStreamer Marge Bot
parent 6cfc1d383c
commit 9dca1f4a6f
1 changed files with 16 additions and 5 deletions
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21
subprojects/gst-plugins-base/gst-libs/gst/gl/gstglbasesrc.c
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@ -52,6 +52,8 @@ struct _GstGLBaseSrcPrivate
GstGLMemory *out_tex;
gint64 timestamp_offset; /* base offset */
gint64 accum_rtime;
gint64 accum_frames;
gint64 n_frames; /* total frames sent */
gboolean negotiated;
gboolean gl_result;
@ -210,6 +212,12 @@ gst_gl_base_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
glbasesrc->priv->negotiated = TRUE;
glbasesrc->priv->accum_rtime += glbasesrc->running_time;
glbasesrc->priv->accum_frames += glbasesrc->priv->n_frames;
glbasesrc->running_time = 0;
glbasesrc->priv->n_frames = 0;
gst_caps_replace (&glbasesrc->out_caps, caps);
return TRUE;
@ -422,10 +430,11 @@ gst_gl_base_src_fill (GstPushSrc * psrc, GstBuffer * buffer)
g_rec_mutex_unlock (&src->priv->context_lock);
GST_BUFFER_TIMESTAMP (buffer) =
src->priv->timestamp_offset + src->running_time;
GST_BUFFER_OFFSET (buffer) = src->priv->n_frames;
src->priv->accum_rtime + src->priv->timestamp_offset + src->running_time;
GST_BUFFER_OFFSET (buffer) = src->priv->accum_frames + src->priv->n_frames;
src->priv->n_frames++;
GST_BUFFER_OFFSET_END (buffer) = src->priv->n_frames;
GST_BUFFER_OFFSET_END (buffer) =
src->priv->accum_frames + src->priv->n_frames;
if (src->out_info.fps_n) {
next_time = gst_util_uint64_scale_int (src->priv->n_frames * GST_SECOND,
src->out_info.fps_d, src->out_info.fps_n);
@ -720,9 +729,11 @@ gst_gl_base_src_do_seek (GstBaseSrc * basesrc, GstSegment * segment)
if (src->out_info.fps_n) {
src->priv->n_frames = gst_util_uint64_scale (time,
src->out_info.fps_n, src->out_info.fps_d * GST_SECOND);
} else
} else {
src->priv->n_frames = 0;
}
src->priv->accum_frames = 0;
src->priv->accum_rtime = 0;
if (src->out_info.fps_n) {
src->running_time = gst_util_uint64_scale (src->priv->n_frames,
src->out_info.fps_d * GST_SECOND, src->out_info.fps_n);