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v4l2: bufferpool: update buffer state after group release

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This fixes the state that lead to a flood of "newly allocated buffer
%u is not free" warnings.

Fixes #1185 #3184 #4037

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8454>
This commit is contained in:
sergey radionov 2025-02-11 11:52:05 +07:00 committed by GStreamer Marge Bot
parent c79b256795
commit d8a85e3793
1 changed files with 12 additions and 1 deletions
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13
subprojects/gst-plugins-good/sys/v4l2/gstv4l2bufferpool.c
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@ -778,6 +778,17 @@ gst_v4l2_buffer_pool_streamoff (GstV4l2BufferPool * pool)
}
}
static void
gst_v4l2_buffer_pool_group_released (GstV4l2BufferPool * pool,
GstV4l2MemoryGroup * group)
{
gint index = group->buffer.index;
g_atomic_int_set (&pool->buffer_state[index], BUFFER_STATE_FREE);
gst_v4l2_buffer_pool_resurrect_buffer (pool);
}
static gboolean
gst_v4l2_buffer_pool_start (GstBufferPool * bpool)
{
@ -941,7 +952,7 @@ gst_v4l2_buffer_pool_start (GstBufferPool * bpool)
pool->group_released_handler =
g_signal_connect_swapped (pool->vallocator, "group-released",
G_CALLBACK (gst_v4l2_buffer_pool_resurrect_buffer), pool);
G_CALLBACK (gst_v4l2_buffer_pool_group_released), pool);
ret = gst_v4l2_buffer_pool_streamon (pool);
}