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vp8enc: Ensure that we always have valid frame user data before using it

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Otherwise we're going to dereference NULL pointers.
This commit is contained in:
Sebastian Dröge 2016-01-20 13:41:33 +02:00
parent 7eee775d5f
commit 70db210315
1 changed files with 14 additions and 0 deletions
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14
ext/vpx/gstvp8enc.c
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@ -289,7 +289,14 @@ gst_vp8_enc_process_frame_user_data (GstVPXEnc * enc,
GstVideoCodecFrame * frame)
{
GstVP8EncUserData *user_data;
user_data = gst_video_codec_frame_get_user_data (frame);
if (!user_data) {
GST_ERROR_OBJECT (enc, "Have no frame user data");
return NULL;
}
if (user_data->image)
g_slice_free (vpx_image_t, user_data->image);
user_data->image = NULL;
@ -301,7 +308,14 @@ gst_vp8_enc_handle_invisible_frame_buffer (GstVPXEnc * enc, void *user_data,
GstBuffer * buffer)
{
GstVP8EncUserData *vp8_user_data = (GstVP8EncUserData *) user_data;
if (!vp8_user_data) {
GST_ERROR_OBJECT (enc, "Have no frame user data");
return GST_FLOW_ERROR;
}
vp8_user_data->invisible = g_list_append (vp8_user_data->invisible, buffer);
return GST_FLOW_OK;
}