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msdkdec: Decoder should use its own pool when downstream allocator is not recognizable

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Msdkdec should use it own pool when the allocation from downstream query
is not any msdk_allocator (i.e. msdk_video_allocator,
msdk_dmabuf_allocator and msdk_system_allocator). Otherwise, when using
pipeline "msdkh264dec ! vah264enc !" to transcode a not 16-bit-aligned
stream (i.e. 1920x1080), the transcoding will fail due to the size
mismatch issue between decoder pool and encoder pool.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2451>
This commit is contained in:
Mengkejiergeli Ba 2022-05-13 17:21:25 +08:00 committed by GStreamer Marge Bot
parent e37c462f87
commit 1fe5655c2a
2 changed files with 20 additions and 6 deletions
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25
subprojects/gst-plugins-bad/sys/msdk/gstmsdkdec.c
View file

@ -1674,6 +1674,7 @@ gst_msdkdec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
GstStructure *pool_config = NULL;
GstCaps *pool_caps /*, *negotiated_caps */ ;
guint size, min_buffers, max_buffers;
GstAllocator *allocator = NULL;
if (!thiz->param.mfx.FrameInfo.Width || !thiz->param.mfx.FrameInfo.Height)
return FALSE;
@ -1734,15 +1735,26 @@ gst_msdkdec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
}
}
if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)
&& gst_buffer_pool_has_option (pool,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT)) {
if (gst_query_get_n_allocation_params (query) > 0) {
gst_query_parse_nth_allocation_param (query, 0, &allocator, NULL);
if (!(GST_IS_MSDK_VIDEO_ALLOCATOR (allocator) ||
GST_IS_MSDK_DMABUF_ALLOCATOR (allocator) ||
GST_IS_MSDK_SYSTEM_ALLOCATOR (allocator)))
thiz->ds_has_no_msdk_allocator = TRUE;
}
/* If downstream supports video meta and video alignment,
* or downstream doesn't have msdk_allocator, we can replace
* with our own msdk bufferpool and use it.
*/
if ((gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)
&& gst_buffer_pool_has_option
(pool, GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT))
|| thiz->ds_has_no_msdk_allocator) {
GstStructure *config;
GstAllocator *allocator;
/* If downstream supports video meta and video alignment,
* we can replace with our own msdk bufferpool and use it
*/
/* Remove downstream's pool */
gst_structure_free (pool_config);
gst_object_unref (pool);
@ -2139,6 +2151,7 @@ gst_msdkdec_init (GstMsdkDec * thiz)
thiz->force_reset_on_res_change = TRUE;
thiz->report_error = FALSE;
thiz->sfc = FALSE;
thiz->ds_has_no_msdk_allocator = FALSE;
thiz->adapter = gst_adapter_new ();
thiz->input_state = NULL;
thiz->pool = NULL;

1
subprojects/gst-plugins-bad/sys/msdk/gstmsdkdec.h
View file

@ -76,6 +76,7 @@ struct _GstMsdkDec
gboolean use_dmabuf;
gboolean initialized;
gboolean sfc;
gboolean ds_has_no_msdk_allocator;
/* for packetization */
GstAdapter *adapter;