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lcevcdec: Check for errors after receiving all enhanced and base pictures

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The LCEVC_ReceiveDecoderBase() and LCEVC_ReceiveDecoderPicture() APIs from the
LCEVCdec SDK can return LCEVC_Error if the enhancement data is wrong. This
change improves the lcevcdec element to check for those errors and stop the
pipeline when that happens.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9057>
This commit is contained in:
Julian Bouzas 2025-05-22 10:11:36 -04:00
parent 4d2869d4a3
commit 841448cd94
1 changed files with 20 additions and 4 deletions
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24
subprojects/gst-plugins-bad/ext/lcevcdecoder/gstlcevcdec.c
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@ -391,9 +391,10 @@ receive_enhanced_picture (GstLcevcDec * lcevc)
{
LCEVC_PictureHandle picture_handle = { 0, };
LCEVC_DecodeInformation decode_info = { 0, };
LCEVC_ReturnCode ret;
while (LCEVC_ReceiveDecoderPicture (lcevc->decoder_handle, &picture_handle,
&decode_info) == LCEVC_Success) {
while ((ret = LCEVC_ReceiveDecoderPicture (lcevc->decoder_handle,
&picture_handle, &decode_info)) == LCEVC_Success) {
LCEVC_PictureDesc pic_desc = { 0, };
GstVideoCodecFrame *received_frame;
GstVideoCropMeta *cmeta;
@ -470,6 +471,13 @@ receive_enhanced_picture (GstLcevcDec * lcevc)
}
}
/* Make sure no errors happened */
if (ret == LCEVC_Error) {
GST_ELEMENT_ERROR (lcevc, STREAM, DECODE, (NULL),
("Could not receive enhanced picture"));
return FALSE;
}
return TRUE;
}
@ -477,9 +485,10 @@ static gboolean
receive_base_picture (GstLcevcDec * lcevc)
{
LCEVC_PictureHandle picture_handle = { 0, };
LCEVC_ReturnCode ret;
while (LCEVC_ReceiveDecoderBase (lcevc->decoder_handle, &picture_handle)
== LCEVC_Success) {
while ((ret = LCEVC_ReceiveDecoderBase (lcevc->decoder_handle,
&picture_handle)) == LCEVC_Success) {
GST_DEBUG_OBJECT (lcevc, "Received base picture %" G_GUINTPTR_FORMAT,
picture_handle.hdl);
@ -492,6 +501,13 @@ receive_base_picture (GstLcevcDec * lcevc)
}
}
/* Make sure no errors happened */
if (ret == LCEVC_Error) {
GST_ELEMENT_ERROR (lcevc, STREAM, DECODE, (NULL),
("Could not receive base picture"));
return FALSE;
}
return TRUE;
}