ff_vaapi_alloc_iq_matrix  281 libavcodec/vaapi_h264.c     iq_matrix = ff_vaapi_alloc_iq_matrix(vactx, sizeof(VAIQMatrixBufferH264));
ff_vaapi_alloc_iq_matrix   51 libavcodec/vaapi_internal.h void *ff_vaapi_alloc_iq_matrix(struct vaapi_context *vactx, unsigned int size);
ff_vaapi_alloc_iq_matrix   84 libavcodec/vaapi_mpeg2.c     iq_matrix = ff_vaapi_alloc_iq_matrix(vactx, sizeof(VAIQMatrixBufferMPEG2));
ff_vaapi_alloc_iq_matrix  105 libavcodec/vaapi_mpeg4.c         iq_matrix = ff_vaapi_alloc_iq_matrix(vactx, sizeof(VAIQMatrixBufferMPEG4));